smzg3788 thru smzg3809b vishay semiconductors formerly general semiconductor document number 88458 www.vishay.com 26-sep-02 1 surface mount power voltage-regulating 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) smzg3788a,b vk,l 9.1 41.2 4.0 1000 0.50 50 7.0 140 smzg3789a,b wa,b 10 37.5 5.0 1000 0.25 50 7.6 125 smzg3790a,b wc,d 11 34.1 6.0 650 0.25 10 8.4 115 smzg3791a,b we,f 12 31.2 7.0 550 0.25 5.0 9.1 105 smzg3792a,b wg,h 13 28.8 7.5 550 0.25 5.0 9.9 98 smzg3793a,b wi,j 15 25.0 9.0 600 0.25 5.0 11.4 85 smzg3794a,b wk,l 16 23.4 10.0 600 0.25 5.0 12.2 80 smzg3795a,b xa,b 18 20.8 12.0 650 0.25 5.0 13.7 70 smzg3796a,b xc,d 20 18.7 14.0 650 0.25 5.0 15.2 62 smzg3797a,b xe,f 22 17.0 17.5 650 0.25 5.0 16.7 56 smzg3798a,b xg,h 24 15.6 19.0 700 0.25 5.0 18.2 51 smzg3799a,b xi,j 27 13.9 23.0 700 0.25 5.0 20.6 46 notes: (1) standard voltage tolerance is 20%, suffix ??denotes 10% and suffix ??denotes 5% (2) maximum steady state power dissipation is 1.5w at t l = 75? (see fig. 1) 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?/10 seconds at terminals mechanical data case: jedec do-215aa 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 0.180 (4.57) 0.160 (4.06) 0.016 (0.41) 0.006 (0.15) 0.020 (0.51) max. 0.058 (1.47) 0.038 (0.97) 0.255 (6.48) 0.235 (5.97) 0.030 (0.76) 0.015 (0.38) 0.008 (0.20) 0.004 (0.10) seating plane 0.155 (3.94) 0.130 (3.30) 0.083 (2.10) 0.077 (1.96) 0.095 (2.41) 0.075 (1.90) cathode band dimensions in inches and (millimeters) do-215aa (smbg) mounting pad layout extended voltage range 0.165 (4.19) 0.85 (2.16) 0.060(1.27)
smzg3788 thru smzg3809b vishay semiconductors formerly general semiconductor www.vishay.com document number 88458 2 26-sep-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) smzg3800a,b xk,l 30 12.5 26.0 750 0.25 5.0 22.8 41 smzg3801a,b ya,b 33 11.4 33.0 800 0.25 5.0 25.1 38 smzg3802a,b yc,d 36 10.4 38.0 850 0.25 5.0 27.4 35 smzg3803a,b ye,f 39 9.6 45.0 900 0.25 5.0 29.7 31 smzg3804a,b yg,h 43 8.7 53.0 950 0.25 5.0 32.7 28 smzg3805a,b yi,j 47 8.0 67.0 1000 0.25 5.0 35.8 26 smzg3806a,b yk,l 51 7.3 70.0 1100 0.25 5.0 38.8 24 smzg3807a,b za,b 56 6.7 86.0 1300 0.25 5.0 42.6 22 smzg3808a,b zc,d 62 6.0 100.0 1500 0.25 5.0 47.1 20 smzg3809a,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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