smzj3788 thru smzj3809b vishay semiconductors formerly general semiconductor document number 88402 www.vishay.com 01-aug-02 1 surface mount zener diodes zener voltage 9.1 to 68v steady state power 1.5w maximum electrical characteristics operating junction and storage temperature range: t j , t stg : ?5 c to +150 c device nominal zener test max. zener impedance max. reverse max. zener part number marking voltage current leakage current current current code v z at i zt i zt z zt at i zt z zk at i zk i r at v r i zm (v) (ma) ( ? )( ? ) (ma) ( a) (v) (ma) smzj3788a,b vk,l 9.1 41.2 4.0 1000 0.50 50 7.0 140 smzj3789a,b wa,b 10 37.5 5.0 1000 0.25 50 7.6 125 smzj3790a,b wc,d 11 34.1 6.0 650 0.25 10 8.4 115 smzj3791a,b we,f 12 31.2 7.0 550 0.25 5.0 9.1 105 smzj3792a,b wg,h 13 28.8 7.5 550 0.25 5.0 9.9 98 smzj3793a,b wi,j 15 25.0 9.0 600 0.25 5.0 11.4 85 smzj3794a,b wk,l 16 23.4 10.0 600 0.25 5.0 12.2 80 smzj3795a,b xa,b 18 20.8 12.0 650 0.25 5.0 13.7 70 smzj3796a,b xc,d 20 18.7 14.0 650 0.25 5.0 15.2 62 smzj3797a,b xe,f 22 17.0 17.5 650 0.25 5.0 16.7 56 smzj3798a,b xg,h 24 15.6 19.0 700 0.25 5.0 18.2 51 smzj3799a,b xi,j 27 13.9 23.0 700 0.25 5.0 20.6 46 notes: (1) standard voltage tolerance is ?0%, suffix ? denotes ?0% and suffix ? denotes ?% (2) maximum steady state power dissipation is 1.5w at t l = 75? (see fig. 1) 0.180 (4.57) 0.160 (4.06) 0.012 (0.305) 0.006 (0.152) 0.008 (0.203) max. 0.220 (5.59) 0.205 (5.21) 0.060 (1.52) 0.030 (0.76) 0.155 (3.94) 0.130 (3.30) 0.086 (2.20) 0.077 (1.95) 0.096 (2.44) 0.084 (2.13) cathode band dimensions in inches and (millimeters) do-214aa (smbj-bend) features plastic package has underwriters laboratory flammability classificaion 94v-0 for surface mounted applications glass passivated chip junction low zener impedance low regulation factor high temperature soldering guaranteed: 250 c/10 seconds at terminals contact local sales office for gull-wing (smzg prefix) lead form (do-215aa) mechanical data case: jedec do-214aa molded plastic over glass passivated junction terminals: solder plated, solderable per mil-std-750, method 2026 polarity: band denotes cathode mounting position: any weight: 0.003 oz., 0.093 g packaging codes ?options (antistatic): 51 2k per bulk box, 20k/carton 52 750 per 7" plastic reel (12mm tape), 15k/carton 5b 3.2k per 13" plastic reel (12mm tape), 32k/carton 0.106 max (2.69 max) 0.050 min (1.27 min) 0.220 ref 0.083 min (2.10 min) mounting pad layout extended voltage range
smzj3788 thru smzj3809b vishay semiconductors formerly general semiconductor www.vishay.com document number 88402 2 01-aug-02 ratings and characteristic curves (t a = 25 c unless otherwise noted) max. electrical characteristics (con?.) operating junction and storage temperature range: t j , t stg : 55 c to +150 c device nominal zener test max. zener impedance max. reverse max. zener part number marking voltage current leakage current current current modified j-bend code v z at i zt i zt z zt at i zt z zk at i zk i r at v r i zm (v) (ma) ( ? ) ( ? ) (ma) ( a) (v) (ma) smzj3800a,b xk,l 30 12.5 26.0 750 0.25 5.0 22.8 41 smzj3801a,b ya,b 33 11.4 33.0 800 0.25 5.0 25.1 38 smzj3802a,b yc,d 36 10.4 38.0 850 0.25 5.0 27.4 35 smzj3803a,b ye,f 39 9.6 45.0 900 0.25 5.0 29.7 31 smzj3804a,b yg,h 43 8.7 53.0 950 0.25 5.0 32.7 28 smzj3805a,b yi,j 47 8.0 67.0 1000 0.25 5.0 35.8 26 smzj3806a,b yk,l 51 7.3 70.0 1100 0.25 5.0 38.8 24 smzj3807a,b za,b 56 6.7 86.0 1300 0.25 5.0 42.6 22 smzj3808a,b zc,d 62 6.0 100.0 1500 0.25 5.0 47.1 20 smzj3809a,b ze,f 68 5.5 120.0 1700 0.25 5.0 51.7 18 notes: (1) standard voltage tolerance is 20%, suffix a denotes 10% and suffix b denotes 5% (2) maximum steady state power dissipation is 1.5w at t l = 75 c (see fig. 1) 0 100 10 1,000 1 100 500 10 0.5 fig. 2 typical zener impedance z z -- dynamic impedance ( ? ) i z -- zener test current (ma) 0 2.0 1.5 1.0 25 50 75 100 125 150 175 fig. 1 maximum continuous power dissipation p m(av) -- average power dissipation (w) t l -- lead temperature ( c) fig. 4 typical temperature coefficients vz -- temperature coefficient (mv/ c) v z -- zener voltage (v) 0.5 60h z resistive or inductive load p.c.b. mounted on 0.31 x 0.31 x 0.08" (8 x 8 x 2mm) copper pad areas t j = 25 c i z (rms) = 0.1i z (dc) v z = 62v v z = 22v v z = 10v 2 100 200 10 100 10 fig. 3 typical zener impedance z z -- dynamic impedance ( ? ) v z -- zener voltage (v) i z (rms) = 0.1i z (dc) i z = 1ma i z = 10ma i z = 20ma 100 10 100 10 tested at rated i zt
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