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$ features 600 khz operation 4.5-14 vdc input voltage range programmable output voltage from 0.591-6.0 vdc drives up to 200 f ceramic capacitive loads high power conversion ef? ciency at 93% outstanding thermal derating performance over temperature and over current protection on/off control sip, 0.41 x 0.65 x 0.4 inches (10.4 x 16.5 x 10.2 mm). meets ul/en/iec 60950-1 safety certi? cation rohs-6 hazardous substance compliance the okr-t/3 series are miniature sip non-isolated point-of-load (pol) dc/dc power converters measuring only 0.41 x 0.65 x 0.22 inches (10.4 x 16.5 x 5.6 mm). the wide input range is 4.5 to 14 volts dc. based on 600 khz synchronous buck topology, the high power conversion ef? cient point of load (pol) module features programmable output voltage and on/off control, under voltage lock out (uvlo), overcurrent and over temperature protections. these units meet all standard ul/en/ iec 60950-1 safety certi? cations and rohs-6 hazardous substance compliance. product overview figure 1. connection diagram typical unit external dc power source f1 on/off control common common open = on closed = off +vin +vout trim controller reference and error ampli?er t4xjudijoh t'jmufst t$vssfou4fotf (positive on/off) ty t p i ca l un it contents page description, connection diagram, photograph 1 ordering guide, model numbering, product label 2 mechanical speci? cations, input/output pinout 3 detailed electrical speci? cations 4 trim connections 5 application notes 6 performance data 8 oscillograms 9 soldering guidelines 11 okr-t/3 series adjustable output 3-amp sip-mount dc/dc converters for full details go to www.murata-ps.com/rohs www.murata-ps.com www.murata-ps.com email: sales@murata-ps.com 25 feb 2010 mdc_okr-t/3-w12.a04 page 1 of 11
part number structure ? dimensions are in inches (mm). ? ripple and noise is shown at vout=1v. see specs for details. ? all speci? cations are at nominal line voltage, vout= 5v and full load, +25 deg.c. unless otherwise noted. output capacitors are 1 f ceramic and| 10 f electrolytic in parallel. input cap is 22 f. see detailed speci? cations. i/o caps are necessary for our test equip- ment and may not be needed for your application. vin must be 2v or higher than vout for 3.3 to 5v outputs. ordering guide root model output input ef? ciency package v out (volts) i out (amps max) power (watts) r/n (mvp-p) regulation (max.) v in nom. (volts) range (volts) i in , no load (ma) i in , full load (amps) case pinout max. line load min. typ. okr-t/3-w12-c 0.591-6 3 15 25 0.3% 1.4% 12 4.5-14 80 1.34 90.75% 93% c72 p73 performance speci? cations and ordering guide output voltage range t = trimmable, 0.591-6 volts wide input voltage range w12 = 4.5 C 14 volts w12 okami non-isolated pol maximum rated output current in amps sip-mount ok r -/- t 3 e c - forced on/off control blank = standard on/off, open pin = on e = forced enable, open pin = off, see specs rohs hazardous substance compliance c = rohs-6 ( does not claim eu rohs exemption 7bClead in solder ) note: some model number combinations may not be available. contact murata power solutions for availability. product label because of the small size of these products, the product label contains a character-reduced code to indicate the model number and manufacturing date code. not all items on the label are always used. please note that the label dif- fers from the product photograph on page 1. here is the layout of the label: the label contains three rows of information: first row C murata power solutions logo second row C model number product code (see table) third row C manufacturing date code and revision level the manufacturing date code is four characters: first character C last digit of manufacturing year, example 200 9 second character C month code (1 through 9 and o through d) third character C day code (1 through 9 = 1 to 9, 10 = o and 11 through 31 = a through z) fourth character C manufacturing information figure 2. label artwork layout xxxxxx product code mfg. date code revision level ymdx rev. model number product code okr-t/3-w12-c r01103 okr-t/3-w12e-c r01103e okr-t/3 series adjustable output 3-amp sip-mount dc/dc converters www.murata-ps.com email: sales@murata-ps.com 25 feb 2010 mdc_okr-t/3-w12.a04 page 2 of 11
mechanical specifications input/output connections okr-t-w12 pin function p73 1 remote on/off control 2+v in 3 ground 4+v out 5 output trim 0.05 (1.3) 0.05 (1.3) 0.067 (1.7) 0.134 (3.4) 0.067 (1.7) 0.134 (3.4) 0.205 (5.2) 0.30 (7.62) 0.15 (3.8) 0.15 (3.8) 0.032 (0.81) 0.032 (0.81) 0.05 (1.3) ref thk 0.05 (1.3) ref thk 0.20 (5.1) okr-t/3 case c72 0.22 (5.6) 0.12 (3.05) pin #1 pin diameter: 0.032 (0.81) tolerance: 0.002 (0.05) pin material: copper alloy pin ?nish: pure matte tin 100-300 in. over 75-100 in. nickel pin #1 c l pin #5 0.41 (10.4) 0.65 (16.5) okr-t/6 okr-t/10 case c90 figure 2. okr series component locations are typical. third angle projection dimensions are in inches (mm shown for ref. only). components are shown for reference only. tolerances (unless otherwise speci?ed): .xx 0.02 (0.5) .xxx 0.010 (0.25) angles 2? okr-t/3 series adjustable output 3-amp sip-mount dc/dc converters www.murata-ps.com email: sales@murata-ps.com 25 feb 2010 mdc_okr-t/3-w12.a04 page 3 of 11
input input voltage range see ordering guide. see note 16. recommended external fuse 6 amps reverse polarity protection (note 9) none. use an external fuse. isolation not isolated. the input and output commons are internally connected. start-up voltage 4.2 volts undervoltage shutdown 3.4 volts re? ected (back) ripple current (note 2) 20 ma pk-pk internal input filter type capacitive input current: full load conditions see ordering guide inrush transient 0.4 a 2 sec. shutdown mode (off, uv, ot) 5 ma output short circuit 60 ma no load, 5v out 80 ma low line (vin=vmin, 5vout) 2.26 amps remote on/off control (note 5) [standard version] positive logic on = +2 v. to +vin max. or open pin off = C0.3 to +0.4 v. max. or ground pin current 1 ma remote on/off control [e version] positive logic on = +2 v. to +vin max., 100k pulldown to ground off = open pin or C0.3 to +0.4 v. max. current 1 ma max. turn-on time: vin on to vout regulated 6 msec remote on to vout regulated 6 msec output minimum loading no minimum load output current range 0 to 3 amps (to rated speci? cations) accuracy (50% load, no trim) 2 % of vnom temperature coef? cient 0.02% per c. of vout range ripple/noise (20 mhz bandwidth) see ordering guide and note 14 line/load regulation see ordering guide and note 10 ef? ciency see ordering guide and performance graphs maximum capacitive loading cap-esr=0.001 to 0.015 ohms 200 f cap-esr >0.015 ohms 1000 f current limit inception 8 amps (98% of vout setting, after warm up) short circuit mode (notes 6, 12) short circuit current output 0.6 amp protection method hiccup autorecovery upon overload removal. (note 8) short circuit duration continuous, no damage (output shorted to ground) overvoltage protection none performance/functional speci? cations all speci? cations are typical unless noted see note 1. dynamic characteristics dynamic load response (50 to 100% load step, no external caps) di/dt = 1 a/ sec 20 sec to within 2% of ? nal value switching frequency 600 khz environmental calculated mtbf (note 4) okr-t/3-w12-c 12,230,400 hours (4a) okr-t/3-w12-c 5,273,231 hours (4b) operating temperature range (ambient temp., vout=5 v., vertical mount) full power, see derating curves -40 to +85 c. operating pc board range, no derating -40 to +100 c. storage temperature range -55 to +125 c. thermal protection/shutdown +130 c. relative humidity to 85%/+85 c. restriction of hazardous substances rohs-6 (does not claim eu rohs exemption 7bClead in solder) physical outline dimensions see mechanical speci? cations weight 0.07 ounces (2 grams) safety meets ul/cul 60950-1 csa-c22.2 no. 60950-1 iec/en 60950-1 absolute maximum ratings input voltage continuous or transient 15 volts max. output power 15 watts max. on/off control 0 volts. min. to +vin. max. input reverse polarity protection see fuse section output current current-limited. devices can withstand sustained short circuit without damage. storage temperature -40 to +125 deg. c. absolute maximums are stress ratings. exposure of devices to greater than any of these conditions may adversely affect long-term reliability. proper operation under conditions other than those listed in the performance/functional speci? cations table is not implied or recommended. caution: this product is not internally fused. to comply with safety agency certi? cations and to avoid injury to personnel or equipment, the user must supply an external fast-blow fuse to the input terminals. okr-t/3 series adjustable output 3-amp sip-mount dc/dc converters www.murata-ps.com email: sales@murata-ps.com 25 feb 2010 mdc_okr-t/3-w12.a04 page 4 of 11
(1) all speci? cations are typical unless noted. general conditions for speci? cations are +25 deg.c, vin=nominal, vout=nominal (no trim installed), full rated load. adequate air? ow must be supplied for extended testing under power. all models are tested and speci? ed with external 1f and 10 f paralleled output capaci- tors and a 22 f external input capacitor. all capacitors are low esr types. caps are layout dependent these capacitors are necessary to accommodate our test equipment and may not be required in your applications. all models are stable and regulate within spec under no-load conditions. (2) input back ripple current is tested and speci? ed over a 5 hz to 20 mhz bandwidth. input ? ltering is cin=2 x 100 f, 100v tantalum, cbus=1000 f, 100v electrolytic, lbus=1 h. all caps are low esr types. (3) note that maximum power derating curves indicate an average current at nominal input voltage. at higher temperatures and/or lower air? ow, the dc/dc converter will tolerate brief full current outputs if the total rms current over time does not exceed the derating curve. all derating curves are presented at sea level altitude. be aware of reduced power dissipation with increasing altitude. (4a) mean time before failure is calculated using the telcordia (belcore) sr-332 method 1, case 3, ground ? xed conditions, tpcboard=+25 ?c, full output load, natural air convec- tion. (4b) mean time before failure is calculated using the mil-hdbk-217n2 method, ground benign, +25oc., full output load, natural convection. (5) the on/off control is normally controlled by a switch or open collector or open drain tran- sistor. but it may also be driven with external logic or by applying appropriate external voltages which are referenced to input common. (6) short circuit shutdown begins when the output voltage degrades approximately 2% from the selected setting. (7) the outputs are not intended to sink appreciable reverse current. (8) hiccup overcurrent operation repeatedly attempts to restart the converter with a brief, full-current output. if the overcurrent condition still exists, the restart current will be removed and then tried again. this short current pulse prevents overheating and damag- ing the converter. once the fault is removed, the converter immediately recovers normal operation. (9) input fusing: if reverse polarity is accidentally applied to the input, to ensure reverse input protection with full output load, always connect an external input fast-blow fuse in series with the +vin input. use approximately twice the full input current rating with nominal input voltage. (10) regulation speci? cations describe the deviation as the line input voltage or output load current is varied from a nominal midpoint value to either extreme. (11) caution: since the converter is mounted on the end by its pins, do not subject it to high vibration, shock or acceleration. (12) output current limit and short circuit protection is non-latching. when the overcurrent fault is removed, the converter will immediately recover. (13) do not exceed maximum power speci? cations when adjusting the output trim. all pub- lished speci? cations are listed at rated nominal output current using published derating curves. the maximum power speci? cations indicate brief operation before overcurrent shutdown occurs. note particularly that current must be limited at higher output voltage in order to comply with maximum power requirements. (14) at zero output current, the output may contain low frequency components which exceed the ripple speci? cation. the output may be operated inde? nitely with no load. (15) the input and output are not isolated. they share a single common power and signal return. (16) vin must be 2v or higher than vout for 3.3 to 6v outputs: vin >= (2v + vout) notes trim connections r trim r load trim +v out ground r trim (k) = 1.182 v out ? 0.591 output voltage adustment the output voltage may be adjusted over a limited range by connecting an external trim resistor (rtrim) between the trim pin and ground. the rtrim resistor must be a 1/10 watt precision metal ? lm type, 0.5% accuracy or better with low temperature coef? cient, 100 ppm/oc. or better. mount the resistor close to the converter with very short leads or use a surface mount trim resistor. in the tables below, the calculated resistance is given. do not exceed the speci? ed limits of the output voltage or the converters maximum power rating when applying these resistors. also, avoid high noise at the trim input. however, to prevent instability, you should never connect any capaci- tors to trim. okr-t/3-w12 output voltage calculated rtrim () 6 v. 218.5 5 v. 268 3.3 v. 436 2.5 v. 619 1.8 v. 978 1.5 v. 1300 1.2 v. 1940 1.0 v. 2890 0.591 v. (open) r trim (k ) = _____________ (v out C 0.591) 1.182 resistor trim equation, okr-t/3-w12 models: okr-t/3 series adjustable output 3-amp sip-mount dc/dc converters www.murata-ps.com email: sales@murata-ps.com 25 feb 2010 mdc_okr-t/3-w12.a04 page 5 of 11
input fusing certain applications and/or safety agencies may require fuses at the inputs of power conversion components. fuses should also be used when there is the possibility of sustained input voltage reversal which is not current-limited. for greatest safely, we recommend a fast blow fuse installed in the ungrounded input supply line. the installer must observe all relevant safety standards and regulations. for safety agency approvals, install the converter in compliance with the end-user safety standard, i.e. iec/en/ul 60950-1. input under-voltage shutdown and start-up threshold under normal start-up conditions, converters will not begin to regulate properly until the ramping-up input voltage exceeds and remains at the start-up threshold voltage (see speci? cations). once operating, converters will not turn off until the input voltage drops below the under-voltage shutdown limit. subsequent restart will not occur until the input voltage rises again above the start-up threshold. this built-in hysteresis prevents any unstable on/off opera- tion at a single input voltage. users should be aware however of input sources near the under-voltage shutdown whose voltage decays as input current is consumed (such as capacitor inputs), the converter shuts off and then restarts as the external capacitor recharges. such situations could oscillate. to prevent this, make sure the operating input voltage is well above the uv shutdown voltage at all times. start-up time assuming that the output current is set at the rated maximum, the vin to vout start-up time (see speci? cations) is the time interval between the point when the ramping input voltage crosses the start-up threshold and the fully loaded regulated output voltage enters and remains within its speci? ed accuracy band. actual measured times will vary with input source impedance, external input capacitance, input voltage slew rate and ? nal value of the input voltage as it appears at the converter. these converters include a soft start circuit to moderate the duty cycle of its pwm controller at power up, thereby limiting the input inrush current. the on/off remote control interval from on command to vout regulated assumes that the converter already has its input voltage stabilized above the start-up threshold before the on command. the interval is measured from the on command until the output enters and remains within its speci? ed accuracy band. the speci? cation assumes that the output is fully loaded at maximum rated current. similar conditions apply to the on to vout regulated speci? cation such as external load capacitance and soft start circuitry. recommended input filtering the user must assure that the input source has low ac impedance to provide dynamic stability and that the input supply has little or no inductive content, including long distributed wiring to a remote power supply. the converter will operate with no additional external capacitance if these conditions are met. application notes for best performance, we recommend installing a low-esr capacitor immediately adjacent to the converters input terminals. the capacitor should be a ceramic type such as the murata grm32 series or a polymer type. initial suggested capacitor values are 10 to 22 f, rated at twice the expected maxi- mum input voltage. make sure that the input terminals do not go below the undervoltage shutdown voltage at all times. more input bulk capacitance may be added in parallel (either electrolytic or tantalum) if needed. recommended output filtering the converter will achieve its rated output ripple and noise with no additional external capacitor. however, the user may install more external output capaci- tance to reduce the ripple even further or for improved dynamic response. again, use low-esr ceramic (murata grm32 series) or polymer capacitors. initial values of 10 to 47 f may be tried, either single or multiple capacitors in parallel. mount these close to the converter. measure the output ripple under your load conditions. use only as much capacitance as required to achieve your ripple and noise objectives. excessive capacitance can make step load recovery sluggish or possibly introduce instability. do not exceed the maximum rated output capaci- tance listed in the speci? cations. input ripple current and output noise all models in this converter series are tested and speci? ed for input re? ected ripple current and output noise using designated external input/output compo- nents, circuits and layout as shown in the ? gures below. in the ? gure below, the cbus and lbus components simulate a typical dc voltage bus. please note that the values of cin, lbus and cbus will vary according to the speci? c converter model. in the ? gure below, the two copper strips simulate real-world printed circuit impedances between the power supply and its load. in order to minimize circuit errors and standardize tests between units, scope measurements should be made using bnc connectors or the probe ground should not exceed one half inch and soldered directly to the test circuit. c in v in c bus l bus c in = 2 x 100f, esr < 700m @ 100khz c bus = 1000f, esr < 100m @ 100khz l bus = 1h +input -input current probe to oscilloscope + C + C figure 4: measuring input ripple current okr-t/3 series adjustable output 3-amp sip-mount dc/dc converters www.murata-ps.com email: sales@murata-ps.com 25 feb 2010 mdc_okr-t/3-w12.a04 page 6 of 11
minimum output loading requirements all models regulate within speci? cation and are stable under no load to full load conditions. operation under no load might however slightly increase output ripple and noise. thermal shutdown to prevent many over temperature problems and damage, these converters include thermal shutdown circuitry. if environmental conditions cause the temperature of the dc/dcs to rise above the operating temperature range up to the shutdown temperature, an on-board electronic temperature sensor will power down the unit. when the temperature decreases below the turn-on threshold, the converter will automatically restart. there is a small amount of hysteresis to prevent rapid on/off cycling. the temperature sensor is typically located adjacent to the switching controller, approximately in the center of the unit. see the performance and functional speci? cations. caution: if you operate too close to the thermal limits, the converter may shut down suddenly without warning. be sure to thoroughly test your applica- tion to avoid unplanned thermal shutdown. temperature derating curves the graphs in the next section illustrate typical operation under a variety of conditions. the derating curves show the maximum continuous ambient air temperature and decreasing maximum output current which is acceptable under increasing forced air? ow measured in linear feet per minute (lfm). note that these are average measurements. the converter will accept brief increases in current or reduced air? ow as long as the average is not exceeded. note that the temperatures are of the ambient air? ow, not the converter itself which is obviously running at higher temperature than the outside air. also note that very low ? ow rates (below about 25 lfm) are similar to natural convection, that is, not using fan-forced air? ow. murata power solutions makes characterization measurements in a closed cycle wind tunnel with calibrated air? ow. we use both thermocouples and an infrared camera system to observe thermal performance. caution: if you routinely or accidentally exceed these derating guidelines, the converter may have an unplanned over temperature shut down. also, these graphs are all collected at slightly above sea level altitude. be sure to reduce the derating for higher density altitude. output current limiting current limiting inception is de? ned as the point at which full power falls below the rated tolerance. see the performance/functional speci? cations. note par- ticularly that the output current may brie? y rise above its rated value in normal operation as long as the average output power is not exceeded. this enhances reliability and continued operation of your application. if the output current is too high, the converter will enter the short circuit condition. output short circuit condition when a converter is in current-limit mode, the output voltage will drop as the output current demand increases. if the output voltage drops too low (approxi- mately 98% of nominal output voltage for most models), the magnetically coupled voltage used to develop primary side voltages will also drop, thereby shutting down the pwm controller. following a time-out period, the pwm will restart, causing the output voltage to begin ramping up to its appropriate value. if the short-circuit condition persists, another shutdown cycle will initiate. this rapid on/off cycling is called hiccup mode. the hiccup cycling reduces the average output current, thereby preventing excessive internal temperatures and/or component damage. a short circuit can be tolerated inde? nitely. the hiccup system differs from older latching short circuit systems because you do not have to power down the converter to make it restart. the system will automatically restore operation as soon as the short circuit condi- tion is removed. remote on/off control please refer to the connection diagram on page 1 for on/off connections. positive polarity models are enabled when the on/off pin is left open or is pulled high to +vin with respect to Cvin. positive-polarity devices are disabled when the on/off is grounded or brought to within a low voltage (see speci? ca- tions) with respect to Cvin. dynamic control of the on/off function should be able to sink appropriate signal current when brought low and withstand appropriate voltage when brought high. be aware too that there is a ? nite time in milliseconds (see speci? cations) between the time of on/off control activation and stable, regulated output. this time will vary slightly with output load type and current and input conditions. output capacitive load these converters do not require external capacitance added to achieve rated speci? cations. users should only consider adding capacitance to reduce switching noise and/or to handle spike current load steps. install only enough capacitance to achieve noise objectives. excess external capacitance may cause regulation problems, degraded transient response and possible oscilla- tion or instability. c1 c1 = 0.1f ceramic c2 = 10f tantalum load 2-3 inches (51-76mm) from module c2 r load copper strip copper strip scope +output -output figure 5: measuring output ripple and noise (pard) okr-t/3 series adjustable output 3-amp sip-mount dc/dc converters www.murata-ps.com email: sales@murata-ps.com 25 feb 2010 mdc_okr-t/3-w12.a04 page 7 of 11
okr-t/3-w12-c performance data ef? ciency vs. line voltage and load current @ 25 c maximum current temperature derating @ sea level (v in = 7v and 12v, v out = 5v and 6 v) 0 0.5 1 1.5 2 2.5 3 3.5 70 75 80 85 90 95 100 v in = 13.8v v in = 12v v in = 7v load current (amps) ef?ciency (%) 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 natural convection ambient temperature (oc) output current (amps) there is no derating for vout = 0.591v. to 5.5v. at full load. okr-t/3 series adjustable output 3-amp sip-mount dc/dc converters www.murata-ps.com email: sales@murata-ps.com 25 feb 2010 mdc_okr-t/3-w12.a04 page 8 of 11
okr-t/3-w12-c oscillograms C vout = 1v on/off enable startup (vin=13.8v, vout=1v, iout=3a, cload=0) trace 4=enable, trace2=vout step load transient response (vin=12v, vout=1v, cload=0, iout=1.5a to 3a) trace 2=vout, 100 mv/div. trace 4=iout, 1a/div. output ripple and noise (vin=12v, vout=1v, iout=3a, cload=0, scopebw=100mhz) step load transient response (vin=12v, vout=1v, cload=0, iout=3a to 1.5a) trace 2=vout, 100 mv/div. trace 4=iout, 1a/div. okr-t/3 series adjustable output 3-amp sip-mount dc/dc converters www.murata-ps.com email: sales@murata-ps.com 25 feb 2010 mdc_okr-t/3-w12.a04 page 9 of 11
okr-t/3-w12-c oscillograms C vout = 2.5v on/off enable startup (vin=13.8v, vout=2.5v, iout=3a, cload=0) trace 4=enable, trace2=vout step load transient response (vin=12v, vout=2.5v, cload=0, iout=1.5a to 3a) trace 2=vout, 100 mv/div. trace 4=iout, 1a/div. output ripple and noise (vin=12v, vout=2.5v, iout=3a, cload=0, scopebw=100mhz) step load transient response (vin=12v, vout=2.5v, cload=0, iout=3a to 1.5a) trace 2=vout, 100 mv/div. trace 4=iout, 1a/div. okr-t/3 series adjustable output 3-amp sip-mount dc/dc converters www.murata-ps.com email: sales@murata-ps.com 25 feb 2010 mdc_okr-t/3-w12.a04 page 10 of 11
okr-t/3-w12-c oscillograms C vout = 5v on/off enable startup (vin=13.8v, vout=5v, iout=3a, cload=0) trace 4=enable, trace2=vout step load transient response (vin=12v, vout=5v, cload=0, iout=1.5a to 3a) trace 2=vout, trace 4=iout, 1a/div. output ripple and noise (vin=12v, vout=5v, iout=3a, cload=0, scopebw=100mhz) step load transient response (vin=12v, vout=5v, cload=0, iout=3a to 1.5a) trace 2=vout, trace 4=iout, 1a/div. soldering guidelines murata power solutions recommends the speci? cations below when installing these converters. these speci? cations vary dependin g on the solder type. exceeding these speci? ca- tions may cause damage to the product. your production environment may differ; therefore please thoroughly review these guideli nes with your process engineers. wave solder operations for through-hole mounted products (thmt) for sn/ag/cu based solders: for sn/pb based solders: maximum preheat temperature 115 c. maximum preheat temperature 105 c. maximum pot temperature 270 c. maximum pot temperature 250 c. maximum solder dwell time 7 seconds maximum solder dwell time 6 seconds okr-t/3 series adjustable output 3-amp sip-mount dc/dc converters murata power solutions, inc. makes no representation that the use of its products in the circuits described herein, or the use of other technical information contained herein, will not infringe upon existing or future patent rights. the descriptions contained her ein do not imply the granting of licenses to make, use, or sell equipment constructed in accordance therewith. speci? cations are subject to cha nge without notice. ? 2010 murata power solutions, inc. www.murata-ps.com/locations email: sales@murata-ps.com murata power solutions, inc. 11 cabot boulevard, mans? eld, ma 02048-1151 u.s.a. iso 9001 and 14001 registered 25 feb 2010 mdc_okr-t/3-w12.a04 page 11 of 11

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