? 2017 littelfuse, inc. specifcations are subject to change without notice. revised: 09/14/17 ? working peak reverse voltage range ? 5.0 v to 78 v ? standard zener breakdown voltage range ? 6.7 v to 91.25 v ? peak power ? 400 w @ 1 ms ? esd rating of class 3 (> 16 kv) per human body model ? response time is typically < 1 ns ? flat handling surface for accurate placement ? package design for top slide or bottom circuit board mounting ? low profle package ? these are pb?free device features the 1sma5.0at3g 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. the 1sma5.0at3g series is supplied in the littelfuse exclusive, cost-effective, highly reliable package and is ideally suited for use in communication systems, automotive, numerical controls, process controls, medical equipment, business machines, power supplies and many other industrial/consumer applications. description parameter symbol value unit peak power dissipation (note 1) @ t l = 25c, pulse width = 1 ms p pk 400 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 1.0 20 50 w mw/c c/w dc power dissipation (note 3) @ ta = 25 c derate above 25 c thermal resistance from junctionCtoC ambient p d r 0ja 0.5 4.0 250 w mw/c c/w forward surge current (note 4) @ ta = 25 c i fsm 40 a operating and storage temperature range t j, t stg -65 to +150 c maximum ratings and thermal characteristics 1sma5.0at3g series functional diagram bi-directional uni-directional cathode anode pb stresses exceeding those listed in the maximum ratings table may damage the device. if any of these limits are exceeded, device functionality should not be assumed, damage may occur and reliability may be affected. 1. 10 x 1000 s, non?repetitive. 2. 1 square copper pad, fr?4 board. 3. fr?4 board, using littelfuse minimum recommended footprint, as shown in 403d-02 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 tvs diodes surface mount > 400w > 1sma5.0at3g series
? 2017 littelfuse, inc. specifcations are subject to change without notice. revised: 09/14/17 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 maximum temperature coeffcient of v br v f forward voltage @ i f 5. 1/2 sine wave or equivalent, pw = 8.3 ms non?repetitive duty cycle i pp i f v i i r i t v rw m v c v br v f i-v curve characteristics (t a = 25c unless otherwise noted, v f = 3.5 v max. @ i f = 30 a for all types) (note 5) 5. 1/2 sine wave or equivalent, pw = 8.3 ms, non?repetitive duty cycle. tvs diodes surface mount > 400w > 1sma5.0at3g series
? 2017 littelfuse, inc. specifcations are subject to change without notice. revised: 09/14/17 electrical characteristics breakdown voltage v c @ i pp (note 8) device* device marking v rwm (note 6) i r @ v rwm v br @ i t (v) (note 7) @ i t v c i pp c typ. (note 9) volts a min nom max ma volts amps p f 1sma5.0at3g qe 5.0 400 6.4 6.7 7.0 10 9.2 43.5 2035 1sma6.0at3g qg 6.0 400 6.67 7.02 7.37 10 10.3 38.8 1730 1sma6.5at3g qk 6.5 250 7.22 7.6 7.98 10 11.2 35.7 1605 1sma8.0at3g qr 8.0 25 8.89 9.36 9.83 1 13.6 29.4 1035 1sma8.5at3g qt 8.5 5.0 9.44 9.92 10.4 1 14.4 27.8 1265 1sma9.0at3g qv 9.0 2.5 10 10.55 11.1 1 15.4 26.0 1200 1SMA10AT3G qx 10 2.5 11.1 11.7 12.3 1 17.0 23.5 1090 1sma11at3g qz 11 2.5 12.2 12.85 13.5 1 18.2 22.0 1000 1sma12at3g re 12 2.5 13.3 14.0 14.7 1 19.9 20.1 925 1sma13at3g rg 13 2.5 14.4 15.15 15.9 1 21.5 18.6 860 1sma14at3g rh 14 2.5 15.6 16.4 17.2 1 23.2 17.2 800 1sma15at3g rm 15 2.5 16.7 17.6 18.5 1 24.4 16.4 758 1sma16at3g rp 16 2.5 17.8 18.75 19.7 1 26.0 15.4 715 1sma17at3g rr 17 2.5 18.9 19.9 20.9 1 27.6 14.5 680 1sma18at3g rt 18 2.5 20 21.05 22.1 1 29.2 13.7 645 1sma20at3g rv 20 2.5 22.2 23.35 24.5 1 32.4 12.3 585 1sma22at3g rx 22 2.5 24.4 25.65 26.9 1 35.5 11.3 540 1sma24at3g rz 24 2.5 26.7 28.1 29.5 1 38.9 10.3 500 1sma26at3g se 26 2.5 28.9 30.4 31.9 1 42.1 9.5 460 1sma28at3g sg 28 2.5 31.1 32.75 34.4 1 45.4 8.8 430 1sma30at3g sk 30 2.5 33.3 35.05 36.8 1 48.4 8.3 405 1sma33at3g sm 33 2.5 36.7 38.65 40.6 1 53.3 7.5 375 1sma36at3g sp 36 2.5 40 42.1 44.2 1 58.1 6.9 345 1sma40at3g sr 40 2.5 44.4 46.75 49.1 1 64.5 6.2 315 1sma43at3g st 43 2.5 47.8 50.3 52.8 1 69.4 5.8 295 1sma45at3g sv 45 2.5 50 52.65 55.3 1 72.2 5.5 280 1sma48at3g sx 48 2.5 53.3 56.1 58.9 1 77.4 5.2 265 1sma54at3g te 54 2.5 60 63.15 66.3 1 87.1 4.6 240 1sma58at3g tg 58 2.5 64.4 67.8 71.5 1 93.6 4.3 225 1sma70at3g tp 70 2.5 77.8 81.9 86.0 1 113 3.5 190 6. a transient suppressor is normally selected according to the 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. 9. bias voltage = 0 v, f = 1.0 mhz, t j = 25c. ?please see 1sma10cat3 to 1sma75cat3 for bidirectional devices. tvs diodes surface mount > 400w > 1sma5.0at3g series
? 2017 littelfuse, inc. specifcations are subject to change without notice. revised: 09/14/17 figure 1. pulse rating curve ratings and characteristic curves figure 2. pulse waveform figure 3 - pulse derating curve figure 4. typical junction capacitance vs. bias voltage figure 5. steady state power derating 10 4 0.11 10 t p , pulse width (ms) nonrepetitiv e pulse w a veform shown in figure 2. t a = 25 c 0.01 0.001 100 10 1 0. 1 p pk , peak power (kw) 10,00 0 1,00 0 100 1 0 0 1 0 1 1 bias vo lt age (vol ts ) 1sma5.0a t3g t j = 25c f = 1 mh z c, cap acita nce (pf) 10 1sma10a t3g 1sma36a t3g 1sma64a t3g 0 6 t, tempera ture ( c) 50 100 150 p d , maximum power dissi pa tion (w a tts) 5 4 3 2 0 1 @ t l = 7 5 c p d = 1.5 w @ t a = 2 5 c p d = 0.5 w 25 75 125 tvs diodes surface mount > 400w > 1sma5.0at3g series
? 2017 littelfuse, inc. specifcations are subject to change without notice. revised: 09/14/17 dimensions part marking system notes: 1. dimensioning and tolerancing per ansi y14.5m, 1982. 2. controlling dimension: inch. 3. dimension b shall be measured within dimension l. style 1: pin 1. cathode (polarity band) 2. anode soldering footrpint physical specifcations case void-free, transfer-molded, thermosetting plastic polarity cathode indicated by molded polarity notch mounting position any finish all external surfaces are corrosion resistant and leads are readily solderable ordering information device package shipping? 1smaxxat3g sma (pb?free) 5,000 / tape & reel dim inches millimeters min n om max min n om max a 0.078 0.083 0.087 1.97 2.10 2.20 a1 0.002 0.004 0.008 0.05 0.10 0.20 b 0.050 0.057 0.064 1.27 1.45 1.63 c 0.006 0.011 0.016 0.15 0.28 0.41 d 0.090 0.103 0.115 2.29 2.60 2.92 e 0.16 0 0.170 0.18 0 4.06 4.32 4.57 h e 0.19 0 0.205 0.220 4.83 5.21 5.59 l 0.030 0.045 0.060 0.76 1. 14 1.52 e bd l c a a1 polarity indica to r optional a s neede d (see s tyles) h e 4.000 0.157 2.000 0.079 2.000 0.079 mm inche s scale 8: 1 flow/wave soldering (solder dipping) peak temperature : 260 o c dipping time : 10 seconds d xx a ww xx = device code (refer to page 3) a= assembly ocatio n = ear ww = wo rk w eek 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. tvs diodes surface mount > 400w > 1sma5.0at3g series
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