4/10/03 ac input phototransistor small outline surface mount optocouplers p age 1 of 7 ?2003 fairchild semiconductor corporation MOC256-m description the MOC256-m is an ac input phototransistor optocoupler. the device consists of two infra- red emitters connected in anti-parallel and coupled to a silicon npn phototransistor detector. it is designed for applications requiring the detection or monitoring of ac signals. the device is constructed with a standard soic-8 footprint. features ul recognized file (#e90700, volume 2) vde recognized (file #136616) - ordering option v (i.e. MOC256v-m) industry standard soic-8 surface mountable package, with 0.050" lead spacing ? v ailable in tape and reel option bidirectional ac input (protection against reversed dc bias) guaranteed ctr symmetry of 2:1 maximum high input-output isolation of 2500 vac (rms) guaranteed base n/c ac in ac in 1 2 3 4 5 6 7 8 emitter collector n/c n/c absolute maximum ratings (t a = 25? unless otherwise speci?d) rating symbol value unit emitter f orward current - continuous i f 60 ma f orward current - peak (pw = 100 ?, 120 pps) i f (pk) 1.0 a led power dissipation @ t a = 25? derate above 25? p d 90 0.8 mw mw/? detector collector-emitter voltage v ceo 30 v emitter-base voltage v eco 7.0 v collector current-continuous i c 150 ma detector power dissipation @ t a = 25? derate above 25? p d 150 1.76 mw mw/? tot al device input-output isolation voltage (f = 60 hz, t = 1 min.) v iso 2500 vac(rms) t otal device power dissipation @ t a = 25? derate above 25? p d 250 2.94 mw mw/? ambient operating temperature range t a -40 to +100 ? storage temperature range t stg -40 to +150 ?
4/10/03 p age 2 of 7 ?2003 fairchild semiconductor corporation ac input phototransistor small outline surface mount optocouplers MOC256-m * typical values at t a = 25? note: 1. current transfer ratio (ctr) = i c /i f x 100%. 2. isolation surge voltage, v iso , is an internal device dielectric breakdown rating. 3. for this test, pins 1 and 2 are common and pins 5, 6 and 7 are common. electrical characteristics (t a = 25? unless otherwise speci?d) p arameter test conditions symbol min typ* max unit emitter input forward voltage (i f = ?0 ma) v f 1.2 1.5 v input capacitance (v = 0 v, f = 1 mhz) c j ?0 pf detector collector-emitter dark current (v ce = 10 v, t a = 25?) i ceo1 1.0 100 na (v ce = 10 v, t a = 100?) i ceo2 1.0 a collector-base dark current (v cb = 10v) i cbo 0.2 na collector-emitter breakdown voltage (i c = 10 ma) bv ceo 30 100 na collector-base breakdown voltage (i c = 100 ?) bv cbo 70 120 v emitter-collector breakdown voltage (i e = 100 ?) bv eco 510 v collector-emitter capacitance (f = 1.0 mhz, v ce = 0) c ce ? pf collector-base capacitance (f = 1.0 mhz, v cb = 0) c cb ?0 pf emitter-base capacitance (f = 1.0 mhz, v eb = 0) c eb ?0 pf coupled current transfer ratio (1) (i f = ?0 ma, v ce = 10 v) ctr 20 150 % output-collector current symmetry (i c @ i f = +10 ma, v ce = 10v) (i c @ i f = -10 ma, v ce = 10v) 0.5 2.0 collector-emitter saturation voltage (i c = 0.5 ma, i f = ?0 ma) v ce (sat) 0.1 0.4 v isolation surge voltage (2,3) (f = 60 hz ac peak, t = min) v iso 2500 vac(rms) isolation resistance (3) (v = 500 v) r iso 10 11 ? isolation capacitance (3) (v = 0 v, f = 1 mhz) c iso 0.2 pf ()
4/10/03 p age 3 of 7 ?2003 fairchild semiconductor corporation ac input phototransistor small outline surface mount optocouplers MOC256-m fig. 2 output curent vs. input current i f - led input current (ma) 0.1 1 10 100 i c - output coll ector current (nor malized) 0.01 0.1 1 10 v ce = 5v normalized to i f = 10 ma fig. 3 output current vs. ambient temperature t a - ambien t temperature ( o c) -80 -60 -40 -20 0 2 0406080100120 i c - output coll ector curren t (normalized) 0.1 1 10 normalized to t a = 25 o c fig. 4 output current vs. collector - emitter voltage v ce - collecto r -emitter voltage (v) 012345678910 i c - output collector current (n ormalized) 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 i f = 10 ma norm alized to v ce = 5v fig. 5 dark current vs. ambient temperature t a - ambien t temperature ( o c) 020406080100 i ceo - collecto r -emitter dark current (na) 0.1 1 10 100 1000 10000 v ce =10v fig. 1 input voltage vs. input current v f - inpu t voltag e (v) -2.0 -1.5 -1.0 -0.5 0.0 0.5 1. 01.52.0 i f - input cu rrent (ma) -100 -80 -60 -40 -20 0 20 40 60 80 100
4/10/03 p age 4 of 7 ?2003 fairchild semiconductor corporation ac input phototransistor small outline surface mount optocouplers MOC256-m pa ck ag e dimensions (surface mount) 8-pin small outline lead coplanarity : 0.004 (0.10) max 0.202 (5.13) 0.182 (4.63) 0.021 (0.53) 0.011 (0.28) 0.050 (1.27) typ 0.164 (4.16) pin1 0.144 (3.66) 0.244 (6.19) 0.224 (5.69) 0.143 (3.63) 0.123 (3.13) 0.008 (0.20) 0.003 (0.08) 0.010 (0.25) 0.006 (0.16) seating plane 0.024 (0.61) 0.050 (1.27) 0.155 (3.94) 0.275 (6.99) 0.060 (1.52)
4/10/03 p age 5 of 7 ?2003 fairchild semiconductor corporation ac input phototransistor small outline surface mount optocouplers MOC256-m ordering information marking information option order entry identi?r description vv vde 0884 r1 r1 tape and reel (500 units per reel) r1v r1v vde 0884, tape and reel (500 units per reel) r2 r2 tape and reel (2500 units per reel) r2v r2v vde 0884, tape and reel (2500 units per reel) 1 2 6 4 3 5 de?itions 1f airchild logo 2d e vice number 3 vde mark (note: only appears on parts ordered with vde option ?see order entry table) 4 one digit year code, e.g., ? 5t wo digit work week ranging from ?1 to ?3 6 assembly package code 256 s yy x v
4/10/03 p age 6 of 7 ?2003 fairchild semiconductor corporation ac input phototransistor small outline surface mount optocouplers MOC256-m carrier tape speci?ations re?w pro?e 4.0 0.10 1.5 min user direction of feed 2.0 0.05 1.75 0.10 5.5 0.05 12.0 0.3 8.0 0.10 0.30 max 8.3 0.10 3.50 0.20 0.1 max 6.40 0.20 5.20 0.20 1.5 0.1/-0 ramp up = 2?0 c/sec ? peak reflow temperature: 245 c (package surface temperature) ? time of temperature higher than 183 c for 120?80 seconds ? one time soldering reflow is recommended 230 c, 10?0 s time (minute) 0 300 250 200 150 100 50 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 t emperature ( c) time above 183 c, 120?80 sec 245 c peak
4/10/03 life support policy fairchild? products are not authorized for use as critical components in life support devices or systems without the express written approval of the president of fairchild semiconductor corporation. as used herein: 1. life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and (c) whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury of the user. 2. a critical component in any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. disclaimer fairchild semiconductor reserves the right to make changes without further notice to any products herein to improve reliability, function or design. fairchild does not assume any liability arising out of the application or use of any product or circuit described herein; neither does it convey any license under its patent rights, nor the rights of others. p age 7 of 7 ?2003 fairchild semiconductor corporation ac input phototransistor small outline surface mount optocouplers MOC256-m
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