? for surface mounted applications in order to optimize board space ? glass passivated junction ? built-in strain relief ? excellent clamping capability ? low profile package ? low inductance ? excellent clamping capability ? fast response time: typically less than 1.0 ps from 0 volts to bv min ? typical i r less than 1a above 10v ? high temperature soldering guaranteed: 250c/10 seconds at terminals case: jedec do-214ac molded plastic terminal solder plated, solderable per mil-std-750, method 2026 polarity: color band denoted positive end (cathode) except bipolar standard packaging: 12mm tape(eia std rs-481) weight: 0.002 ounces, 0.061 grams ratings at 25c ambient temperature unless otherwise specified. rating symbol v alue units peak pulse power dissipation at t a = 25 c, t p = 1ms (note 1) p ppm minimum 400 watts i ppm see table 1 amps superimposed on rated load, (jedec method)(note 3) operatings and storage temperature range t j , t stg -55 +150 c notes: 1. non-repetitive current pulse, per fig.3 and derated above ta=25 c per fig.2. 2. mounted on 5.0m m 2 (0.03mm thick) copper pads to each termina 3. 8.3ms single half sine-wave, or equivalent square wave, duty cycle=4 pulses per minutes maximum. devices for bipolar application s voltage-6.8 to 550 volts 400 watt peak pulse power p m (av) 1.0 steady state power dissipation at t l = 75c lead lengths .375", 9.5mm (note 2) for bidirectional use ca suffix for types p4sma6.8ca thru types p4sma550ca electrical characteristics apply in both directions. maximum ratings and characteristic s watts peak pulse current of on 10/1000 s waveform (note 1) i fsm 40 amps peak forward surge current, 8.3ms single half sine-wave p4sma series glass passivated junction transient voltage suppressor features mechanical data http://www.luguang.cn mail:lge@luguang.cn 1. 5 0. 1 4. 5 0. 1 2. 6 0. 1 5 2. 1 0. 2 1. 3 0. 2 0. 20 3m a x 0. 2 0. 0 5 5. 1 0. 2 do-214a c ( s m a ) dimensions in millimeters
rating and characteristic curves p4sma series 10 100 1000 0 0.2 0.4 0.6 0.8 1 1.2 number of cycles at 60 hz 50 5 i fsm -peak forward surge current (a) fig.6 - maximum non-repetitive peak forward surge current uni-directional only 200 t j = t j max, 8.3ms single half sine-wave (jedec method) 0 12.5 25 37.5 50 62.5 75 87.5 100 0 25 50 75 100 125 150 175 200 fig.2 - pulse derating curve peak pulse power (p pp ) or current (i ppm ) derating in percentage,% 0.2x0.2"(5.0x5.0mm) copper pad areas t a - ambient temperature (c) 0.1 1 10 100 10ms 0.1s 1.0s 10s 100s 1.0ms t d - pulse width (sec.) fig. 1 - peak pulse power rating curve p ppm -peak pulse power (kw) 0.2x0.2"(5.0x5.0mm) copper pad areas non-repetitive pulse wavetorm shown in fig.3 t a = 25c p4sma6.8a ? p4sma91a p4sma100a ? p4sma170a 10 100 1000 10000 measured at stand-off voltage, v wm t j = 25c f = 1.0mh z vsig = 50mvp-p fig.4 - typical junction capacitance c j - junction capacitance(pf) 1 100 200 10 uni-directional bi-directional v wm - reverse stand-off voltage (v) t - time(ms) 4.0 150 0 1.0 2.0 t r = 10sec . peak value i ppm t j = 25c pulse width (t d ) is defined as the point where the peak current decays to 50% of i ppm 10/1000sec.waveform as defined by r.e.a. t d fig.3 - pulse waveform 4.0 50 half value- i ppm 2 100 i ppm - peak pulse current,% i rsm 3.0 0 1 10 100 1000 0 0.2 0.4 0.6 0.8 1 1.2 transient thermal impedance ( /w) fig. 5 - typ.transient thermal impedance t p -pulse duration (sec) p4sma series glass passivated junction transient voltage suppressor http://www.luguang.cn mail:lge@luguang.cn
400 watt tvs uni- polar bi- polar p4sma 6.8a 6.8ca 6v8a 6v8c 5.80 6.45 7.14 10 10.5 39.0 1000 p4sma 7.5a 7.5ca 7v5a 7v5c 6.40 7.13 7.88 10 11.3 36.3 500 p4sma 8.2a 8.2ca 8v2a 8v2c 7.02 7.79 8.61 10 12.1 33.9 200 p4sma 9.1a 9.1ca 9v1a 9v1c 7.78 8.65 9.55 1 13.4 30.6 50 p4sma 10a 10ca 10a 10c 8.55 9.50 10.50 1 14.5 28.3 10 p4sma 11a 11ca 11a 11c 9.40 10.50 11.60 1 15.6 26.3 5 p4sma 12a 12ca 12a 12c 10.20 11.40 12.60 1 16.7 24.6 5 p4sma 13a 13ca 13a 13c 11.10 12.40 13.70 1 18.2 22.5 5 p4sma 15a 15ca 15a 15c 12.80 14.30 15.80 1 21.2 19.3 5 p4sma 16a 16ca 16a 16c 13.60 15.20 16.80 1 22.5 18.2 5 p4sma 18a 18ca 18a 18c 15.30 17.10 18.90 1 25.5 16.1 5 p4sma 20a 20ca 20a 20c 17.10 19.00 21.00 1 27.7 14.8 5 p4sma 22a 22ca 22a 22c 18.80 20.90 23.10 1 30.6 13.4 5 p4sma 24a 24ca 24a 24c 20.50 22.80 25.20 1 33.2 12.3 5 p4sma 27a 27ca 27a 27c 23.10 25.70 28.40 1 37.5 10.9 5 p4sma 30a 30ca 30a 30c 25.60 28.50 31.50 1 41.4 9.9 5 p4sma 33a 33ca 33a 33c 28.20 31.40 34.70 1 45.7 9.0 5 p4sma 36a 36ca 36a 36c 30.80 34.20 37.80 1 49.9 8.2 5 p4sma 39a 39ca 39a 39c 33.30 37.10 41.00 1 53.9 7.6 5 p4sma 43a 43ca 43a 43c 36.80 40.90 45.20 1 59.3 6.9 5 p4sma 47a 47ca 47a 47c 40.20 44.70 49.40 1 64.8 6.3 5 p4sma 51a 51ca 51a 51c 43.60 48.50 53.60 1 70.1 5.8 5 p4sma 56a 56ca 56a 56c 47.80 53.20 58.80 1 77.0 5.3 5 p4sma 62a 62ca 62a 62c 53.00 58.90 65.10 1 85.0 4.8 5 p4sma 68a 68ca 68a 68c 58.10 64.60 71.40 1 92.0 4.5 5 p4sma 75a 75ca 75a 75c 64.10 71.30 78.80 1 103.0 4.0 5 p4sma 82a 82ca 82a 82c 70.10 77.90 86.10 1 113.0 3.6 5 p4sma 91a 91ca 91a 91c 77.80 86.50 95.50 1 125.0 3.3 5 p4sma 100a 100ca 100a 100c 85.50 95.00 105.00 1 137.0 3.0 5 p4sma 110a 110ca 110a 110c 94.00 105.00 116.00 1 152.0 2.7 5 p4sma 120a 120ca 120a 120c 102.00 114.00 126.00 1 165.0 2.5 5 p4sma 130a 130ca 130a 130c 111.00 124.00 137.00 1 179.0 2.3 5 p4sma 150a 150ca 150a 150c 128.00 143.00 158.00 1 207.0 2.0 5 p4sma 160a 160ca 160a 160c 136.00 152.00 168.00 1 219.0 1.9 5 p4sma 170a 170ca 170a 170c 145.00 162.00 179.00 1 234.0 1.8 5 p4sma 180a 180ca 180a 180c 154.00 171.00 189.00 1 246.0 1.7 5 p4sma 200a 200ca 200a 200c 171.00 190.00 210.00 1 274.0 1.5 5 p4sma 220a 220ca 220a 220c 185.00 209.00 231.00 1 328.0 1.3 5 p4sma 250a 250ca 250a 250c 214.00 237.00 263.00 1 344.0 1.2 5 p4sma 300a 300ca 300a 300c 256.00 285.00 315.00 1 414.0 1.0 5 p4sma 350a 350ca 350a 350c 300.00 332.00 368.00 1 482.0 0.9 5 p4sma 400a 400ca 400a 400c 342.00 380.00 420.00 1 548.0 0.8 5 p4sma 440a 440ca 440a 440c 376.00 418.00 462.00 1 602.0 0.7 5 p4sma 480a 480ca 480a 480c 408.00 456.00 504.00 1 658.0 0.6 5 p4sma 510a 510ca 510a 510c 434.00 485.00 535.00 1 698.0 0.6 5 p4sma 530a 530ca 530a 530c 450.00 503.50 556.50 1 725.0 0.6 5 p4sma 540a 540ca 540a 540c 459.00 513.00 567.00 1 740.0 0.5 5 p4sma 550a 550ca 550a 550c 467.00 522.50 577.50 1 760.0 0.5 5 for bidirectional type having vrwm of 10 volts and less, the ir limit is double. the available parts are "a" type only, the parts without a (vbr is 10%) are not available. reverse stand- off voltage v rwm (v) breakdown voltage v br (v) min.@i t breakdown voltage v br (v) max.@i t test current i t (ma) maximum clamping voltage @ipp vc(v) peak pulse current ipp (a) reverse leakage @ vrwm ir(a) p4sma part number marking code p4sma series glass passivated junction transient voltage suppressor http://www.luguang.cn mail:lge@luguang.cn
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