note: all specifications are subject to change without notification. scd's for these devices should be reviewed by ssdi prior to release. data sheet #: z00010d doc solid state devices, inc. 14701 firestone blvd * la mirada, ca 90638 phone: (562) 404-4474 * fax: (562) 404-1773 ssdi@ssdi-power.com * www.ssdi-power.com designer?s data sheet features: ? hermetically glass sealed ? high power dissipation 5w ? tight voltage tolerance 5% ? for other voltage, power, or tolerance consult factory. ? tx, txv, and s-level screening available 5 / . ? replacement for 1n4954 ? 1n4996 part number/ordering information 4 / szn __ __ __ screening 5 / __ = not screened tx = tx level txv = txv s = s level package type 6 / __ = axial leaded sms = surface mount square tab k = 40 mil lead diameter device / voltage 4954 - 4996 dim min. max a --- .158? b --- .185? c (__) .047? .053? c (k) .038? .042? d 1.00? --- axial (k & __) all dimensions are prior to soldering dim min. max. a .155? .185? b .190? .220? c .023? .027? d body to tab clearance: .001? square tab (sms) all dimensions are prior to soldering szn4954 thru szn4996 5 w 6.8 ? 390 volts zener diodes maximum ratings symbol szn4954-4996 units nominal zener voltage v z 6.8 - 390 v continuous power @ 65oc p d 5 w operating and storage temp. top,tstg -65 to +175 oc thermal resistance junction to lead, l=3/8? (axial) (__) k - axial r jl 34 45 oc/w thermal resistance junction to end cap (sms) r je 7 oc/w
solid state devices, inc. 14701 firestone blvd * la mirada, ca 90638 phone: (562) 404-4474 * fax: (562) 404-1773 ssdi@ssdi-power.com * www.ssdi-power.com szn4954 thru szn4996 note: all specifications are subject to change without notification. scd's for these devices should be reviewed by ssdi prior to release. data sheet #: z00010d doc electrical characteristics @ 25c (unless otherwise specified) v z v z v z i z (1) z z z zk i zk i z v z (reg) i zs m v r i r vz i r @ i z (1) @ i z (1) @ i z (1) test current imp. @ i z (1) knee imp. @ i zk test current max dc current @ 10 to 50 % of i z max peak surge test voltage reverse current @ vr temp. coeff. @ i z (1) reverse current +150 oc nom min max --- max max --- rating max rating --- max max max part number v v v ma ? ? ma ma v a v a % / oc a szn4954 szn4955 6.8 7.5 6.46 7.13 7.14 7.87 175 175 1 1.5 450 409 1.0 1.0 700 630 0.7 0.7 29.3 26.4 5.2 5.7 500 400 .05 .06 750 500 szn4956 szn4957 szn4958 szn4959 szn4960 8.2 9.1 10.0 11.0 12.0 7.79 8.65 9.50 10.45 11.40 8.61 9.55 10.50 11.55 12.60 150 150 125 125 100 1.5 2 2 2.5 2.5 371 338 307 322 338 1.0 1.0 1.0 1.0 1.0 580 520 475 430 395 0.7 0.7 0.8 0.8 0.8 24 22 20 19 18 6.2 6.9 7.6 8.4 9.1 200 100 75 60 50 .06 .06 .07 .07 .07 300 200 200 150 150 szn4961 szn4962 szn4963 szn4964 szn4965 13.0 15 16 18 20 12.35 14.25 15.20 17.10 19.00 13.65 15.75 16.80 18.90 21.00 100 75 75 65 65 3 3.5 3.5 4.0 4.5 344 351 358 365 373 1.0 1.0 1.0 1.0 1.0 365 315 294 264 237 0.9 1.0 1.1 1.2 1.5 16 12 10 9.0 8.0 9.9 11.4 12.2 13.7 15.2 25 15 10 10 10 .08 .08 .08 .085 .085 150 100 100 100 100 szn4966 szn4967 szn4968 szn4969 szn4970 22 24 27 30 33 20.90 22.8 25.7 28.5 31.4 23.10 25.2 28.3 31.5 34.6 50 50 50 40 40 5.0 5 6 8 10 380 388 396 403 412 1.0 1.0 1.0 1.0 1.0 216 198 176 158 144 1.8 2.0 2.0 2.5 2.8 7.0 6.5 6.0 5.5 5.0 16.7 18.2 20.6 22.8 25.1 10 10 10 10 5.0 .085 .09 .09 .09 .095 100 100 100 100 100 szn4971 szn4972 szn4973 szn4974 szn4975 36 39 43 47 51 34.2 37.1 40.9 44.7 48.5 37.8 40.9 45.1 49.3 53.5 30 30 30 25 25 11 14 20 25 27 420 428 437 445 473 1.0 1.0 1.0 1.0 1.0 132 122 110 100 92 3.0 3.0 3.3 3.5 4.0 4.5 4.0 3.5 3.2 3.0 27.4 29.7 32.7 35.8 38.8 5.0 5.0 5.0 5.0 5.0 .095 .095 .095 .095 .095 100 100 100 100 100 szn4976 szn4977 szn4978 szn4979 szn4980 56 62 68 75 82 53.2 58.9 64.6 71.3 77.9 58.8 65.1 71.4 78.7 86.1 20 20 20 20 15 35 42 50 55 80 560 700 750 800 850 1.0 1.0 1.0 1.0 1.0 84 76 70 63 58 4.4 5.0 5.5 6.0 6.6 2.8 2.5 2.2 2.0 1.8 42.6 47.1 51.7 56 62.2 5.0 5.0 5.0 5.0 5.0 .095 .100 .100 .100 .100 100 100 100 100 100 szn4981 szn4982 szn4983 szn4984 szn4985 91 100 110 120 130 86.5 95.0 104.5 114.0 123.5 95.5 105 115.5 126.0 136.5 15 12 12 10 10 90 110 125 170 190 900 950 1000 1050 1100 1.0 1.0 1.0 1.0 1.0 52.5 47.5 43 39.5 36.6 7.5 8.0 9.0 10 11 1.6 1.4 1.2 1.0 0.8 69.2 76.0 83.6 91.2 98.8 5.0 5.0 5.0 5.0 5.0 .100 .100 .100 .100 .105 100 100 100 100 100 szn4986 szn4987 szn4988 szn4989 szn4990 150 160 180 200 220 142.5 152 171 190 209 157.5 168 189 210 231 8 8 5 5 5 330 350 450 500 550 1150 1200 1250 1300 1333 1.0 1.0 1.0 1.0 1.0 31.6 29.4 26.4 23.6 21.6 13 14 16 18 19 0.75 0.70 0.60 0.50 0.50 114.0 121.6 136.8 152.0 167.0 5.0 5.0 5.0 5.0 5.0 .105 .105 .110 .110 .115 100 100 100 100 100
solid state devices, inc. 14701 firestone blvd * la mirada, ca 90638 phone: (562) 404-4474 * fax: (562) 404-1773 ssdi@ssdi-power.com * www.ssdi-power.com szn4954 thru szn4996 note: all specifications are subject to change without notification. scd's for these devices should be reviewed by ssdi prior to release. data sheet #: z00010d doc electrical characteristics @ 25c (unless otherwise specified) v z v z v z i z (1) z z z zk i zk i z v z (reg) i zs m v r i r vz i r @ i z (1) @ i z (1) @ i z (1) test current imp. @ i z (1) knee imp. @ i zk test current max dc current @ 10 to 50 % of i z max peak surge test voltage reverse current @ vr temp. coeff. @ i z (1) reverse current +150 oc nom min max --- max max --- rating max rating --- max max max part number v v v ma ? ? ma ma v a v a % / oc a szn4991 szn4992 szn4993 9 / szn4994 9 / szn4995 9 / 240 270 300 330 360 228 257 285 314 342 252 283 315 346 378 5 5 4 4 3 650 800 950 1,175 1,400 1367 1400 1433 1467 1533 1.0 1.0 1.0 1.0 1.0 19.8 17.5 15.6 14.4 13.0 22 25 28 32 35 0.40 0.35 0.30 0.25 0.22 182.0 206.0 228.0 251.0 274.0 2.0 2.0 2.0 2.0 2.0 .115 .120 .120 .120 .120 100 100 100 100 100 szn4996 9 / 390 371 409 3 1,800 1667 1.0 12.0 40 0.20 297.0 2.0 .120 100 notes: 1/ all zener voltages are measured with an automated test set using a 10 - 50 msec test time. longer or shorter test time w ill have a corresponding effect on the measured value due to heating effects. 2/ zener impedance is derived from the ac voltage divided by the ac current with rms value of 10% of dc zener test current superimposed on the test current. 3/ ssdi standard marking consists of a contrasting color cathode dot or band. part number information is included on packa ging labels. 4/ for ordering information, price, and availability- contact factory. 5/ screening based on mil-prf-19500. screening flows available on request. 6/ suffix ?sms? for square tab surface mount. 7/ for tighter tolerances, consult the factory. 8/ figures shown are for a peak sinusoidal surge current of 8.3 msec duration, repeated a maximum of 1 surge per minute. 9/ contact factory for availability
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