plastic package. glass passivated junction. 20, 000w peak pulse power capability on 10/1000s waveform. excellent clamping capability. repetition rate (duty cycle): 0.05%. low incremental surge resistance. fast response time: typically less than 1.0ps from 0 v olt to bv. high temperature soldering guaranteed: 265c/10 seconds/.375", (9.5mm) lead length, 5lbs., (2.3kg) tension. m case: molded plastic over glass passivated junction. terminals: plated axial leads, solderable per mil-std-750, method 2026. polarity: color band denotes c athode except bipolar. mounting position: any. weight: 0.07 ounce, 2.5 grams. d for b idirectional use c or ca suffix for type 20kpa20 through type 20kpa300 (e.g. 20kpa20c, 20kpa300ca) ; e electrical cha racteristics apply in both directions. 6 transient voltage suppressors 20kpa series meritek ul e223045 f eatures m echanical d ata d evices f or b ipolar a pplication m aximum r atings a nd c haracteristics ratings at 25c ambient temperature unless otherwise specified. p600 notes: 1. non-repetitive current pulse, per fig. 3 and derated above t a = 25 pe r fig. 2. 22 . 8.3ms single half sine-wave, or equivalent square wave, duty cycle = 4 pulses per minute maximum. c rating symbol value unit peak pulse power dissipation on 10/1000 s waveform . (note 1, fig. 1) p ppm minimum 20,000 w atts peak pulse current on 10/1000 s waveform. (note 1, fig. 3) i ppm see table a mps steady state power dissipation at t l =75 , lead length .375? (9.5mm). (fig. 5) p m(av) 8.0 watts peak forward surge current,8.3ms single half sine-wave superimposed on rated load . (jedec method) (note 2, fig. 6) i fsm 400 amps operating junction and storage temperature range. t j , t stg -5 5 to +175 c c all specifications are subject to change without notice. 1 rev 7
millimeters inches item min. max. min. max. l 25.40 - 1.000 - t 8.60 9.10 0.340 0.360 d 8.60 9.10 0.340 0.360 s 1.22 1.32 0.048 0.052 l l t d s dia. dia. p600 part number reverse stand-off voltage breakdown voltage min.@i t test current maximum clamping voltage @i pp peak pulse current reverse leakage @ v rwm uni-polar bi-polar v rwm (v) v br min (v) i t (ma) v c (v) i pp (a) 20kpa20a 20kpa20ca 20.0 22.34 50 36.8 548.9 5000 20kpa24a 20kpa24ca 24.0 26.81 50 41.2 490.3 5000 20kpa26a 20kpa26ca 26.0 29.04 50 44.7 451.9 2000 20kpa28a 20kpa28ca 28.0 31.28 50 48.0 420.8 1000 20kpa30a 20kpa30ca 30.0 33.51 5 51.5 392.2 250 20kpa32a 20kpa32ca 32.0 35.74 5 54.3 372.0 150 20kpa34a 20kpa34ca 34.0 38.00 5 57.5 351.3 50 20kpa36a 20kpa36ca 36.0 40.20 5 61.5 328.5 20 20kpa40a 20kpa40ca 40.0 44.70 5 67.8 297.9 15 20kpa44a 20kpa44ca 44.0 49.10 5 72.7 277.9 2 p ackage d imensions s pecifications i r (a) transient voltage suppressors 20kpa series meritek 2 rev 7
part number reverse stand-off voltage breakdown voltage min.@i t test current maximum clamping voltage @i pp peak pulse current reverse leakage @ v rwm uni-polar bi-polar v rwm (v) v br min (v) i t (ma) v c (v) i pp (a) 20kpa48a 20kpa48ca 48.0 53.60 5 79.4 254.4 2 20kpa52a 20kpa52ca 52.0 58.10 5 85.8 235.4 2 20kpa56a 20kpa56ca 56.0 62.60 5 92.6 218.1 2 20kpa60a 20kpa60ca 60.0 67.00 5 97.6 207.0 2 20kpa64a 20kpa64ca 64.0 71.50 5 104.0 194.2 2 20kpa68a 20kpa68ca 68.0 76.00 5 110.0 183.6 2 20kpa72a 20kpa72ca 72.0 80.40 5 116.0 174.1 2 20kpa80a 20kpa80ca 80.0 89.40 5 130.0 155.4 2 20kpa88a 20kpa88ca 88.0 98.30 5 142.0 142.3 2 20kpa96a 20kpa96ca 96.0 107.20 5 155.0 130.3 2 20kpa104a 20kpa104ca 104.0 116.20 5 168.0 120.2 2 20kpa112a 20kpa112ca 112.0 125.10 5 182.0 111.0 2 20kpa120a 20kpa120ca 120.0 134.00 5 194.0 104.1 2 20kpa132a 20kpa132ca 132.0 147.40 5 213.0 94.8 2 20kpa144a 20kpa144ca 144.0 160.80 5 232.0 87.1 2 20kpa160a 20kpa160ca 160.0 178.70 5 258.0 78.3 2 20kpa172a 20kpa172ca 172.0 192.10 5 277.0 72.9 2 20kpa180a 20kpa180ca 180.0 201.10 5 291.0 69.4 2 20kpa192a 20kpa192ca 192.0 214.50 5 309.0 65.4 2 20kpa204a 20kpa204ca 204.0 227.90 5 329.0 61.4 2 20kpa216a 20kpa216ca 216.0 241.30 5 348.0 58.0 2 20kpa232a 20kpa232ca 232.0 259.10 5 374.0 54.0 2 20kpa240a 20KPA240CA 240.0 268.10 5 387.0 52.2 2 20kpa256a 20kpa256ca 256.0 286.00 5 412.0 49.0 2 20kpa280a 20kpa280ca 280.0 312.80 5 451.0 44.8 2 20kpa300a 20kpa300ca 300.0 335.10 5 483.0 41.8 2 s pecifications i r (a) note: for bidirectional type having vrwm of 10 volts and less,the ir limit doubles. transient voltage suppressors 20kpa series meritek 3 rev 7
figure 1 - peak pulse power rating curve figure 3 - pulse waveform 0 20 40 60 80 100 0 25 50 75 100 125 150 175 200 t a -ambient temperature (oc) peak pulse power (p pp ) or current (i pp ) derating in percentage % 0.1 1 10 100 1000 p ppm - peak pulse power (kw) t d - pulse width (sec.) 0.000001 0.00001 0.0001 0.001 i ppm - peak pulse current, % i rsm 0 0 50 100 150 1.0 2.0 3.0 4.0 t r =10sec peak value i ppm i ppm 2 t j =25c pulse width(td) is de ?ned as the point where the peak current decays to 50% of i ppm 10/1000sec. waveform as de?ned by r.e.a t d t-time (ms) half value i ppm ( ) 1 100 10000 0 50 100 150 200 250 300 350 v br - reverse breakdwon voltage (v) cj, junction capacitance (pf) tj=25c f=1.0mhz vsig=50mvp-p bi-directional @ vr uni-directional v = ov bi-directional v = ov uni-directional @ vr 0 1 2 3 4 5 6 7 8 9 0 25 50 75 100 125 150 175 200 l l steady state power dissipation (w) t l - lead temperature (oc) 0 50 100 150 200 250 300 350 400 450 1 10 100 number of cycles at 60 hz i fsm , peak forward surge current (a) figure 1 - peak pulse power rating curve figure 2 - pulse derating curve figure 3 - pulse waveform figure 4 - typical junction capacitance figure 5 - steady state power dissipation derating curve figure 6 - maximum non-repetitive forward surge current uni-directional only r ating and c haracteristic c urves (t a : 25c unless otherwise specified) transient voltage suppressors 20kpa series meritek 4 rev 7
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