t4 - lds - 0248, rev . 1 (1 20182) ?201 2 microsemi corporation page 1 of 5 upt5e3 ? upt48e3, upt5re3 ? upt48re3 uptb8e3 ? uptb48e3 available on commercial versions surface mount transient voltage suppressors description microsemi?s new powermite upt series of transient voltage suppressors feature oxide - passivated chips with high - temperature solder bonds for high surge capability and negligible electrical degradation under repeated surge conditions. both unidirectional and bidirectional configurations are available. i n addition to its size advantages, the powermite package includes a full y metallic bottom (cathode) side that eliminates the possibility of solder flux entrapment at assembly and a unique locking tab serv es as an integral heat sink. its i nnovative design makes this device fully compatible for use with automatic insertion equipment. microsemi also offers numerous other products to meet higher and lower power voltage regulation applications. do - 216aa package important: for the latest information, visit our website http://www.microsemi.com . features ? powermite p ackage with standoff voltages 5 to 48 v . ? both u nidirectional and b idirectional polarities: - anode to case bottom (upt5e3 thru upt48e3) - cathode to case bottom (upt5re3 thru upt48re3) - bidirectional (uptb8e3 thru uptb48e3) ? clamping time less than 100 pico - seconds for unidirectional and 5 nano - seconds for bidirectional version. ? moisture classification is level 1 with no dry pack required per ipc/jedec j - std - 020b . ? rohs compliant ve rsions available . applications / benefits ? protects sensitive components such as ic?s, cmos, bipolar, bicmos, ecl, dtl, t 2 l, etc. ? protection from switching and induced rf transients . ? new improved lower leakage current for the upt5re3 : - integral heat si nk / locking tabs - full y metallic bottom side eliminates flux entrapment ? compliant to iec61000 - 4 - 2 and iec61000 - 4 - 4 for esd and eft protection respectively . ? secondary lightning protection per iec61000 - 4 - 5 with 42 ohms source impedance: class 1: upt 5//upt5r/uptb8 to17 class 2: upt5//upt5r/uptb8 to12 m axim um ratings msc ? law rence 6 lake street, lawrence, ma 01841 tel: 1 - 800- 446- 1158 or (978) 620 - 2600 fax: (978) 6 89- 0803 msc ? ireland gort road business park, ennis, co. clare, ireland tel: +353 (0) 65 6840044 fax: +353 (0) 65 6822298 website: www.microsemi.com parameters/test conditions symbol value unit junction and storage temp erature t j / t stg - 65 to +150 o c thermal resistance junction - to - ambient (1) r ?ja 240 o c /w thermal resistance junction - to - ca se (base tab) r ?j c 15 o c /w peak pulse power (see figure 1 and figure 2 ) @ 8/20 s @10/1000 s upt5re3: upt5e3 thru upt48e3: upt8re3 thru upt48r e3: uptb8e3 thru uptb48e3 : p pp 600 1000 1000 1000 100 150 150 150 w steady - state power dissipation (base tab < 112 o c ) p d 2.5 w impulse repetition rate (duty factor) 0.01 % solder temperature @ 10 s t sp 260 o c notes : 1. when mounted on fr4 pc board with 1 oz copper.
t4 - lds - 0248, rev . 1 (1 20182) ?201 2 microsemi corporation page 2 of 5 upt5e3 ? upt48e3, upt5re3 ? upt48re3 uptb8e3 ? uptb48e3 mechanical and packaging ? case: void - free transfer molded thermosetting epoxy compound meeting ul94v - 0 . ? terminal s : annealed matte- t in plating over copper and readily solderabl e per mil - std - 750, method 2026. ? marking: anode to tab 1 : t plus the last two digits of part number, e.g. upt5e3 is t05 ? , upt12e3 is t12 ? cathode to tab1 : u plus last two digits of part number , e.g. upt5re3 is u05?, upt12re3 is u12? bipolar : b plus the last two digits of part number, e.g. uptb8e3 is b08 ? , uptb12e3 is b12 ? , e tc. please note dot suffix (for e3 suffix) ? polarity: cathode or anode to tab 1 (bottom) as described in m arking below and last page . ? tape & reel option: standard per eia - 481- b using 12 mm tape . consult factory for quantities . ? w eight: 0.016 gram (appro ximate) . ? see p ackage d imensions on last page. part nomenclature applicable to upt5e3 ? upt48e3, upt5re3 ? upt48re3 only: upt 5 r (e3) powermite rated standoff voltage rohs compliance e3 = rohs comp liant ( available on commercial grade only ) blank = non - rohs compliant polarity blank = anode to case bottom r = cathode to case bottom applicable to uptb8e3 ? uptb48e3 only: upt b 5 (e3) powermite bi - directional rohs compliance e3 = r ohs compliant ( available on commercial grade only ) blank = non - rohs compliant rated standoff voltage symbols & definitions symbol definition v (br) breakdown voltage: the minimum voltage the device will exhibit at a specified current. v wm working p eak standoff voltage: the maximum peak voltage that can be applied over the operating temperature range. p pp peak pulse power: the peak power that can be applied for a specified pulse width and waveform. i d standby current: the maximum current that wi ll flow at the specified voltage and temperature. i pp peak pulse current: the peak current that can be applied for a specified pulse width and waveform. c capacitance: the capacitance in picofarads of the tvs as defined @ 0 volts at a frequency of 1 m hz.
t4 - lds - 0248, rev . 1 (1 20182) ?201 2 microsemi corporation page 3 of 5 upt5e3 ? upt48e3, upt5re3 ? upt48re3 uptb8e3 ? uptb48e3 electrical characteristics device type (add e3 suffix) rated standoff voltage v wm minimum breakdown voltage v (br) @ 1 ma maximum standby current i d @ v wm maximum peak pulse current * i pp @ 8/20 s maximum clamping voltage v c @ 10a* maximu m temp erature coefficient of v (br) v(br) unidirectional bi - directional v v a a v %/ o c upt5 5 6.0 50 89.4 9.5 .030 upt5r 5 6.0 5 60 9.5 .030 upt8 & upt8r uptb8 8 9.0 2 62.1 13.7 .040 upt10 & upt10r uptb10 10 11.0 2 47.2 18.0 .045 upt12 &upt12r uptb12 12 13.8 1 40.3 21.6 .050 upt 15 & upt15r uptb15 15 16.7 1 33.9 26.0 .055 upt17 & upt17r uptb17 17 19.0 1 30.8 29.2 .060 upt24 & upt24r uptb24 24 28.4 1 22.0 43.2 .070 upt28 &upt28r uptb28 28 31.0 1 19.2 47.8 .075 upt33 &upt33r uptb33 33 36.8 1 16.4 56.7 .080 upt48 &upt48r uptb48 48 54.0 1 11.2 84.3 .090 * see figure 1 for i pp waveform of 8/20 s .
t4 - lds - 0248, rev . 1 (1 20182) ?201 2 microsemi corporation page 4 of 5 upt5e3 ? upt48e3, upt5re3 ? upt48re3 uptb8e3 ? uptb48e3 graphs t ? time ? ( s) tp ? pulse time figure 1 figure 2 pulse waveform for 8/20 s exponential surge peak pulse power vs. pulse duration temperature ? ( o c ) v wm ? stand - off voltage ? (v) figure 3 figure 4 derating curve typical capacitance vs. stand - off voltage l p ? pulse current ? (% of i pp ) p pp ? peak pulse power ? (w) tp: pulse time duration is defined as that point where the pulse current decays to 50% of i pp . (rise time to 100% of i pp = 8 s.) exponential pulse (pulse time duration is defined as that point where the pulse current decays to 50% of i pp .) capacitance ? (pf) p pp ? peak pulse power ? (% of 25 o c rating) measur ed at zero bias measured at v wm
t4 - lds - 0248, rev . 1 (1 20182) ?201 2 microsemi corporation page 5 of 5 upt5e3 ? upt48e3, upt5re3 ? upt48re3 uptb8e3 ? uptb48e3 package dimensions dimensions ltr inch millimeters min max min max a 0.73 0.99 0.029 0.039 b 0.40 0.66 0.016 0.026 c 1.77 2.03 0.070 0.080 d 2.21 2.46 0.087 0.097 e 0.50 0.76 0.020 0.030 f 1.29 1.54 0.0 51 0.061 g 0.53 0.78 0.021 0.031 h 0.10 0.20 0.004 0.008 i 1.77 2.03 0.070 0.080 j 0.89 1.14 0.035 0.045 p ad layout dimensions ltr inch millimeters a 0.100 2.54 b 0.105 2.67 c 0.050 1.27 d 0.030 0.76 e 0.025 0.64
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