? 2018 littelfuse, inc. specifcations are subject to change without notice. revised: 02/23/18 ? working peak reverse voltage range ? 5.8 v to 78 v ? nominal breakdown voltage range ? 6.8 v to 91v ? peak power ? 1500 w @ 1 ms ? esd rating of class 3 (> 16 kv) per human body model ? low leakage < 5 a above 10 v ? maximum temperature coeffcient specifed ? response time is typically < 1 ns ? pb?free packages are available features the 1.5smcxxat3g series is designed to protect voltage sensitive components from high voltage, high energy transients. they have excellent clamping capability, high surge capability, low zener impedance and fast response time. this 1.5smcxxat3g series is provided in an smc package ideally suited for small form factor requirements found in communication , automotive, process control, medical equipment and many other industrial and consumer applications. description parameter symbol value unit peak power dissipation (note 1) @ t l = 25c, pulse width = 1 ms p pk 1500 w dc power dissipation @ t l = 75c measured zero lead length (note 2) derate above 75c thermal resistance from junction?to? lead pd r jl 4.0 54.6 18.3 w mw/c c/w dc power dissipation (note 3) @ t a = 25 c derate above 25 c thermal resistance from junctionC toC ambient p d r ja 0.75 6.1 165 w mw/c c/w forward surge current (note 4) @ t a = 25c i fsm 200 a operating and storage temperature range t j, t stg -65 to +150 c maximum ratings and thermal characteristics 1.5smcxxat3g functional diagram bi-directional uni-directional cathode anode pb stresses exceeding maximum ratings may damage the component. maximum ratings are stress ratings only. functional operation above the recommended operating conditions is not implied. extended exposure to stresses above the recommended operating conditions may affect component reliability. 1. 10 x 1000 s, non?repetitive. 2. 1 in square copper pad, fr?4 board. 3. fr?4 board, using littelfuse minimum recommended footprint, as shown in 403-03 case outline dimensions spec. 4. 1/2 sine wave (or equivalent square wave), pw = 8.3 ms, duty cycle = 4 pulses per minute maximum. additional information sample s resourc es da tasheet bi-directional uni-directional cathode anode tvs diodes surface mount > 1500w > 1.5smcxxat3g
? 2018 littelfuse, inc. specifcations are subject to change without notice. revised: 02/23/18 symbol parameter i pp maximum reverse peak pulse current v c clamping voltage @ i pp v rwm working peak reverse voltage i r maximum reverse leakage current @ v rwm v br breakdown voltage @ i t i t test current i f forward current v f forward voltage @ i f i-v curve characteristics (t a = 25c unless otherwise noted, v f = 3.5 v max @ i f = 100 a) (note 5) 5. 1/2 sine wave (or equivalent square wave), pw = 8.3 ms, non?repetitive duty cycle. v i tvs diodes surface mount > 1500w > 1.5smcxxat3g
? 2018 littelfuse, inc. specifcations are subject to change without notice. revised: 02/23/18 electrical characteristics (t a = 25c unless otherwise noted) component* component marking v rwm (note 6) i r @ v rwm breakdown voltage v c @ i pp (note 8) mv br v br (v) (note 6 & 7) @ i t v c i pp volts a min nom max ma volts amps %/ c 1.5smc6.8at3g 6v8a 5.8 1000 6.45 6.8 7. 1 4 10 10.5 143 0.057 1.5smc7.5at3g 7v5a 6.4 500 7. 1 3 7. 5 7.88 10 11. 3 132 0.061 1.5smc8.2at3g 8v2a 7.02 200 7.79 8.2 8.61 10 12.1 124 0.065 1.5smc10at3g 10a 8.55 10 9.5 10 10.5 1 14.5 103 0.073 1.5smc12at3g 12a 10.2 5 11. 4 12 12.6 1 16.7 90 0.078 1.5smc13at3g 13a 11. 1 5 12.4 13 13.7 1 18.2 82 0.081 1.5smc15at3g 15a 12.8 5 14.3 15 15.8 1 21.2 71 0.084 1.5smc16at3g 16a 13.6 5 15.2 16 16.8 1 22.5 67 0.086 1.5smc18at3g 18a 15.3 5 1 7. 1 18 18.9 1 25.2 59.5 0.088 1.5smc20at3g 20a 1 7. 1 5 19 20 21 1 27.7 54 0.09 1.5smc22at3g 22a 18.8 5 20.9 22 23.1 1 30.6 49 0.092 1.5smc24at3g 24a 20.5 5 22.8 24 25.2 1 33.2 45 0.094 1.5smc27at3g 27a 23.1 5 25.7 27 28.4 1 37.5 40 0.096 1.5smc30at3g 30a 25.6 5 28.5 30 31.5 1 41.4 36 0.097 1.5smc33at3g 33a 28.2 5 31.4 33 34.7 1 45.7 33 0.098 1.5smc36at3g 36a 30.8 5 34.2 36 37.8 1 49.9 30 0.099 1.5smc39at3g 39a 33.3 5 37.1 39 41 1 53.9 28 0.1 1.5smc43at3g 43a 36.8 5 40.9 43 45.2 1 59.3 25.3 0.101 1.5smc47at3g 47a 40.2 5 44.7 47 49.4 1 64.8 23.2 0.101 1.5smc51at3g 51a 43.6 5 48.5 51 53.6 1 70.1 21.4 0.102 1.5smc56at3g 56a 47.8 5 53.2 56 58.8 1 77 19.5 0.103 1.5smc62at3g 62a 53 5 58.9 62 65.1 1 85 1 7. 7 0.104 1.5smc68at3g 68a 58.1 5 64.6 68 71.4 1 92 16.3 0.104 1.5smc75at3g 75a 64.1 5 71.3 75 78.8 1 103 14.6 0.105 1.5smc82at3g 82a 70.1 5 77.9 82 86.1 1 113 13.3 0.105 1.5smc91at3g 91a 77.8 5 86.5 91 95.5 1 125 12 0.106 6. a transient suppressor is normally selected according to the maximum working peak reverse voltage (v rwm ), which should be equal to or greater than the dc or continuous peak operating voltage level. 7. v br measured at pulse test current i t at an ambient temperature of 25c. 8. surge current waveform per figure 2 and derate per figure 3 of the general data ? 1500 watt at the beginning of this group. tvs diodes surface mount > 1500w > 1.5smcxxat3g
? 2018 littelfuse, inc. specifcations are subject to change without notice. revised: 02/23/18 figure 1. pulse rating curve ratings and characteristic curves figure 2. pulse waveform figure 3. pulse derating curve figure 4. dynamic impedance 0 50 100 va lue (% ) half va lue - i pp 2 peak va lue - i pp t 10 s t p pulse width ( t p ) is defined as that point where the peak current decay s to 50% o f i pp . peak pulse derat ing in % o f peak power or current @ t a = 25 c 100 80 60 40 20 0 120 140 160 0 25 50 75 100 125 150 tvs diodes surface mount > 1500w > 1.5smcxxat3g
? 2018 littelfuse, inc. specifcations are subject to change without notice. revised: 02/23/18 dimensions part marking system notes 1. dimensioning and tolerancing per ansi y14.5m, 1982. 2. controlling dimension: inch. 3. d dimension shall be measured within dimension p. 4. 403-01 thru -02 obsolete, new standard 403-03. soldering footrpint physical specifcations case void-free, transfer-molded, thermosetting plastic polarity cathode indicated by polarity band mounting position any finish all external surfaces are corrosion resistant and leads are readily solderable leads modifed l?bend providing more contact area to bond pads ordering information component package shipping 1smcxxat3g smc (pb?free) 2,500 / tape & reel dim inches millimeters min n om max min n om max a 0.075 0.084 0.095 1.90 2.13 2.41 a1 0.002 0.004 0.006 0.05 0.10 0.15 b 0.115 0.118 0.121 2.92 3.00 3.07 c 0.006 0.009 0.012 0.15 0.23 0.30 d 0.220 0.230 0.240 5.59 5.84 6.10 e 0.260 0.270 0.280 6.60 6.86 7.11 h e 0.305 0.313 0.320 7.75 7.94 8.13 l 0.030 0.040 0.050 0.76 1.02 1.27 l1 0.020 ref 0.51 ref flow/wave soldering (solder dipping) peak temperature : 260 o c dipping time : 10 seconds e bd c l1 l a1 a h e d mm inches disclaimer notice - information furnished is believed to be accurate and reliable. however, users should independently evaluate the suitability of and test each product selected for their own applications. littelfuse products are not designed for, and may not be used in, all applications. read complete disclaimer notice at: www.littelfuse.com/disclaimer-electronics. specifc component code tvs diodes surface mount > 1500w > 1.5smcxxat3g
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