mde semiconductor, inc. 78-150 calle tampico, unit 210, la quinta, ca. u.s.a. 92253 tel: 760-564-8656 ? fax: 760-564-2414 20kw series glass passivated junction transient voltage suppressor voltage-20.0 to 300 volts 20000 watt peak pulse power features ? plastic package has underwriters laborator y p-600 flammability classification 94v-0 ? glass passivated junction ? 20000w peak pulse powe r capability on 10/1000 s waveform ? excellent clamping capability 1.0(25.4) min ? repetition rate (duty cycle):0.05 % .360(9.1) ? low incremental surge resistance .340(8.6) ? fast response time: typically less dia .360(9.1) than 1.0 ps from 0 volts to bv .340(8.6) ? typical id less than 1a above 10v ? high temperature soldering guaranteed: 265c/10 seconds/.375", (9.5mm) lead length, 5lbs., (2.3kg) tension .052(1.3) 1.0(25.4) min .048(1.2) dia mechanical data case:molded plastic over glass passivated junction terminals: plated axial leads, solderable per dimensions in inches (milimeters) mil-std-750, method 2026 polarity: color band denoted positive end (cathode) except bipolar mounting position: any weight: 0.07 ounce, 2.1 gram devices for bipolar applications for bidirectional use c or ca suffix for types 20kw30 thru types 20kw28 8 electrical characteristics apply in both directions. maximum ratings and characteristic s ratings at 25c ambient temperature unless otherwise specified. rating symbol v alue units peak pulse power dissipation on 10/1000 s pppm minimum 20000 watts waveform (note 1) peak pulse current of on 10-1000 s waveform ippm see table 1 a mps (note 1) steady state power dissipation at tl=75 c pm(av) 8.0 watts lead lengths.375", (9.5mm)(note 2) peak forward surge current, 8.3ms sine-wav e superimposed on rated load, (jedec method) ifsm 400.0 a mps (note 3) operatings and storage temperature range tj, tstg -55 to +175 c notes: 1.non-repetitive current pulse, per fig.3 and derated above ta=25 c per fig.2. 2.mounted on copper pad area of 0.8x0.8" (20x20mm) per fig.5. 3.8.3ms single half sine-wave, or equivalent square wave, duty cycle=4 pulses per minutes maximum. 8/6/2002
5 0 1 0 0 t f = 1 0 s p e a k v a l u e i p p h a l f v a l u e i p p / 2 t d 0 1 0 2 3 ippm - peak pulse current - % of ipp p u l s e w i d t h ( t d ) i s d e f i n e d a s t h e t a = 2 5 o c p o i n t w h e r e t h e p e a k c u r r e n t d e c a y s t o 5 0 % o f i p p f i g . 2 p u l s e w a v e f o r m t - t i m e - m s 1 0 / 1 0 0 0 s e c w a v e f o r m a s d e f i n e d b y r . e . a . 0 . 1 1 1 0 1 0 0 1 , 0 0 0 1 0 , 0 0 0 t - p u l s e d u r a t i o n - s e c 1 0 0 , 0 0 0 1 1 0 1 0 0 1 , 0 0 0 p p p m - p e a k p u l s e p o w e r - k i l o w a t t s d f i g . 1 p e a k p u l s e p o w e r r a t i n g c u r v e 1 5 k w 3 0 k w 2 0 k w r a t i n g a n d c h a r a c t i s t i c s c u r v e s 1 5 k w , 2 0 k w , 3 0 k w s e r i e s 7 8 - 1 5 0 c a l l e t a m p i c o , u n i t 2 1 0 l a q u i n t a , c a u . s . a . 9 2 2 5 3 t e l : 7 6 0 - 5 6 4 - 8 6 5 6 f a x : 7 6 0 - 5 6 4 - 2 4 1 4 1 - 8 0 0 - 8 3 1 - 4 8 8 1 e m a i l : s a l e s @ m d e s e m i c o n d u c t o r . c o m w e b : w w w . m d e s e m i c o n d u c t o r . c o m m d e s e m i c o n d u c t o r , i n c . 8 / 0 6 / 2 0 0 2
mde semiconductor, inc. 78-150 calle tampico, unit 210, la quinta, ca., usa 92253 tel: 760-564-8656 ? fax: 760-564-2414 20000 watt tvs uni- directional part number reverse standoff voltage vrwm (v) breakdown voltage v br (v) min. @ it breakdown voltage v br (v) max. @ it test current (it) ma maximum clamping voltage @ipp vc (v) peak pulse current ipp (a) reverse leakage @ vrwm ir (a) 20kw20 20.00 25.60 29.20 50 38.4 521.0 5000 20kw20a 20.00 25.60 28.00 50 36.8 543.0 5000 20kw24 24.00 26.68 32.60 50 45.6 439.0 5000 20kw24a 24.00 26.68 29.48 50 41.2 485.0 5000 20kw26 26.00 28.88 35.28 50 49.2 407.0 2000 20kw26a 26.00 28.88 31.92 50 44.8 446.0 2000 20kw28 28.00 31.12 38.40 50 53.2 376.0 1000 20kw28a 28.00 31.12 34.40 50 48.0 417.0 1000 20kw30 30.00 33.32 40.80 5 57.2 350.0 250 20kw30a 30.00 33.32 36.84 5 51.6 388.0 250 20kw32 32.00 35.56 43.60 5 60.0 333.0 150 20kw32a 32.00 35.56 39.32 5 54.4 368.0 150 20kw34 34.00 37.76 46.00 5 63.6 314.0 50 20kw34a 34.00 37.76 41.60 5 57.6 347.0 50 20kw36 36.00 40.00 48.80 5 67.6 296.0 20 20kw36a 36.00 40.00 44.40 5 61.6 325.0 20 20kw40 40.00 44.40 54.40 5 75.2 266.0 15 20kw40a 40.00 44.40 49.20 5 68.0 294.0 15 20kw44 44.00 48.80 59.60 5 80.4 249.0 10 20kw44a 44.00 48.80 54.00 5 72.8 275.0 10 20kw48 48.00 53.20 65.20 5 88.0 227.0 10 20kw48a 48.00 53.20 58.80 5 79.6 251.0 10 20kw52 52.00 57.60 70.40 5 95.2 210.0 10 20kw52a 52.00 57.60 63.60 5 86.0 233.0 10 20kw56 56.00 62.40 76.40 5 103.2 194.0 10 20kw56a 56.00 62.40 68.80 5 92.8 216.0 10 20kw60 60.00 66.80 81.60 5 107.6 186.0 10 20kw60a 60.00 66.80 74.00 5 97.6 205.0 10 20kw64 64.00 71.20 87.20 5 115.2 174.0 10 20kw64a 64.00 71.20 78.80 5 104.0 192.0 10 20kw68 68.00 75.60 92.40 5 122.0 164.0 10 20kw68a 68.00 75.60 83.60 5 110.4 181.0 10 20kw72 72.00 80.00 97.60 5 128.8 155.0 10 20kw72a 72.00 80.00 88.40 5 116.8 171.0 10 20kw80 80.00 88.80 108.40 5 143.2 140.0 10 20kw80a 80.00 88.80 98.00 5 129.6 154.0 10 20kw88 88.00 97.60 119.20 5 157.6 127.0 10 20kw88a 88.00 97.60 107.60 5 142.0 141.0 10 20kw96 96.00 106.80 130.40 5 172.0 116.0 10 20kw96a 96.00 106.80 118.00 5 155.6 129.0 10 20kw104 104.00 115.60 141.20 5 186.4 107.0 10 20kw104a 104.00 115.60 127.60 5 168.4 119.0 10 20kw112 112.00 124.40 152.00 5 200.4 100.0 10 20kw112a 112.00 124.40 137.60 5 181.6 110.0 10 20kw120 120.00 133.20 162.80 5 214.0 93.5 10 20kw120a 120.00 133.20 147.20 5 193.6 103.0 10 20kw132 132.00 146.80 179.60 5 236.0 84.7 10 20kw132a 132.00 146.80 162.40 5 213.2 93.8 10 8/6/2002
mde semiconductor, inc. 78-150 calle tampico, unit 210, la quinta, ca., usa 92253 tel: 760-564-8656 ? fax: 760-564-2414 20000 watt tvs uni- directional part number reverse standoff voltage vrwm (v) breakdown voltage v br (v) min. @ it breakdown voltage v br (v) max. @ it test current (it) ma maximum clamping voltage @ipp vc (v) peak pulse current ipp (a) reverse leakage @ vrwm ir (a) 20kw144 144.00 160.00 195.60 5 257.2 77.8 10 20kw144a 144.00 160.00 176.80 5 232.4 86.1 10 20kw160 160.00 177.60 217.20 5 285.6 70.0 10 20kw160a 160.00 177.60 196.40 5 258.0 77.5 10 20kw172 172.00 191.20 233.60 5 306.8 65.2 10 20kw172a 172.00 191.20 211.20 5 277.6 72.0 10 20kw180 180.00 200.00 244.40 5 321.2 62.3 10 20kw180a 180.00 200.00 221.20 5 290.8 68.8 10 20kw192 192.00 213.20 260.80 5 342.0 58.5 10 20kw192a 192.00 213.20 235.60 5 309.6 64.6 10 20kw204 204.00 226.80 277.20 5 364.4 54.9 10 20kw204a 204.00 226.80 250.80 5 329.6 60.7 10 20kw216 216.00 240.00 293.20 5 385.2 51.9 10 20kw216a 216.00 240.00 265.20 5 348.4 57.4 10 20kw232 232.00 257.60 314.80 5 412.0 48.4 10 20kw232a 232.00 257.60 284.80 5 374.4 53.4 10 20kw240 240.00 266.80 326.00 5 428.0 46.7 10 20kw240a 240.00 266.80 294.80 5 387.2 51.7 10 20kw256 256.00 284.40 347.60 5 456.0 43.9 10 20KW256A 256.00 284.40 314.40 5 412.0 48.5 10 20kw280 280.00 311.20 380.40 5 500.0 40.0 10 20kw280a 280.00 311.20 344.00 5 452.0 44.2 10 20kw300 300.00 333.20 408.00 5 536.0 37.3 10 20kw300 300.00 333.20 368.40 5 484.0 41.3 10 for bidirectional type having vrwm of 10volts and less, the ir limit is double. 8/6/2002
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