technical specifications of surface mount zener diodes sma1ez6.2 thru sma1ez300 rectifier specialists r dc components co., ltd. features * voltage range: 6.2v to 300v * low leakage* low inductance * high peak reverse power disspation * glass passivated junction * build-in strain relief notes : 1. tl =lead temperature at 3/8? (9.5mm) from body. 2. valid provided that leads are kept at ambient temperature at a distance of 10 mm form case. voltage range - 6.2 to 300 volts power - 1.0 watts fig. 1 - power temperature derating curve 1.2 1 0.8 0.60.4 0.2 0 50 100 150 ambient temperature, ta( oc) power dissipation, p d(w) fig. 2 - typical thermal resistance versus lead length junction to lead thermal resistance, ( oc/w) lead length to heat sink, (inches) 150 125 100 75 50 25 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 175 fig. 3 - temperature coefficients v.s. zener voltage 20 10 1 10 100 zener voltage, vz, (v) temperature coefficients, ,qvz (mv/0c) range dimensions in inches and (millimeters) sma ( do-214ac ) .114(2.90) .098(2.50) .181(4.60).157(4.00) .062(1.60).055(1.40) .012(0.305).006(0.152) .008(0.203).002(0.051) .208(5.28).188(4.80) .060(1.52).030(0.76) .096(2.44).078(2.00) mechanical data * case: molded plastic * mounting position: any * weight: 0.064 gram approx. * terminals:solder plated, solderable per mil-std-705, method 2026 * polarity: as marked maximum ratings and electrical characteristics ratings at 25 o c ambient temperature unless otherwise specified. single phase, half wave, 60 hz, resistive or inductive load. for capacitive load, derate current by 20%. symbol value units maximum power dissipation @tl=50oc (note 1) ptot 1.0 w peak pulse current with a 10/1000ms waveform vf 1.2 volts maximum thermal resistance junction to ambient air rqja 170 oc/w junction temperature range tj -55 to +175 oc storage temperature range tstg -55 to +175 oc
r dc components co., ltd. rating and characteristic curves ( sma1ez6.2 thru sma1ez300) pulse width, p w, (ms) 100 70 50 30 20 10 7.0 5.0 3.0 2.0 1.0 0.01 0.02 0.05 0.1 0.2 0.5 1.0 2.0 5.0 10 20 50 100 200 1000 fig. 4 - maximum surge power 11v-91v non-repetitive rectangular waveform tj=25 0c prior to initial pulse 5% duty cycle 10% duty cycle 20% duty cycle peak surge power, ppk, (w) note: standard zener voltage tolerance 5% nominal zener voltage vz@izt zener test current izt ma maximum zener impedance zzt@izt zzk@izk ohms ohms izk ma maximum reverse leakage current ir @vr ua volts type maximum regulator current izm ma sma1ez6.2 6.2 41.0 2.0 700 1.00 10.0 3.0 730 sma1ez6.8 6.8 37.0 3.5 700 1.00 5.0 4.0 660 sma1ez7.5 7.5 34.0 4.0 700 0.50 5.0 5.0 605 sma1ez8.2 8.2 31.0 4.5 700 0.50 5.0 6.0 550 sma1ez9.1 9.1 28.0 5.0 700 0.50 0.5 7.0 500 sma1ez10 10.0 25.0 7.0 700 0.25 0.5 7.6 454 sma1ez11 11.0 23.0 8.0 700 0.25 0.1 8.4 414 sma1ez12 12.0 21.0 9.0 700 0.25 0.1 9.1 380 sma1ez13 13.0 19.0 10 700 0.25 0.1 9.9 344 sma1ez15 15.0 17.0 14 700 0.25 0.1 11.4 305 sma1ez16 16.0 15.5 16 700 0.25 0.1 12.2 285 sma1ez18 18.0 14.0 20 750 0.25 0.1 13.7 250 sma1ez20 20.0 12.5 22 750 0.25 0.1 15.2 225 sma1ez22 22.0 11.5 23 750 0.25 0.1 16.7 205 sma1ez24 24.0 10.5 25 750 0.25 0.1 18.2 190 sma1ez27 27.0 9.5 35 750 0.25 0.1 20.6 170 sma1ez30 30.0 8.5 40 1000 0.25 0.1 22.8 150 sma1ez33 33.0 7.5 45 1000 0.25 0.1 25.1 135 sma1ez36 36.0 7.0 50 1000 0.25 0.1 27.4 125 sma1ez39 39.0 6.5 60 1000 0.25 0.1 29.7 115 sma1ez43 43.0 6.0 70 1500 0.25 0.1 32.7 110 sma1ez47 47.0 5.5 80 1500 0.25 0.1 35.8 95 sma1ez51 51.0 5.0 95 1500 0.25 0.1 38.8 90 sma1ez56 56.0 4.5 110 2000 0.25 0.1 42.6 80 SMA1EZ62 62.0 4.0 125 2000 0.25 0.1 47.1 70 sma1ez68 68.0 3.7 150 2000 0.25 0.1 51.7 65 sma1ez75 75.0 3.3 175 2000 0.25 0.1 56.0 60 sma1ez82 82.0 3.0 200 3000 0.25 0.1 62.2 55 sma1ez91 91.0 2.8 250 3000 0.25 0.1 69.2 50 sma1ez100 100.0 2.5 350 3000 0.25 0.1 76.0 45 sma1ez110 110.0 2.3 450 4000 0.25 0.1 83.6 40 sma1ez120 120.0 2.0 550 4500 0.25 0.1 91.2 37 sma1ez130 130.0 1.9 700 5000 0.25 0.1 98.8 34 sma1ez150 150.0 1.7 1000 6000 0.25 0.1 114.0 30 sma1ez160 160.0 1.6 1100 6500 0.25 0.1 121.6 28 sma1ez180 180.0 1.4 1200 7000 0.25 0.1 136.8 25 sma1ez200 200.0 1.2 1900 9990 0.25 0.1 152.0 22 sma1ez220 220.0 1.0 1600 8000 0.25 0.1 167.2 20 sma1ez240 240.0 0.9 1800 8500 0.25 0.1 182.4 19 sma1ez250 250.0 0.9 2000 9000 0.25 0.1 190.0 18 sma1ez270 270.0 0.8 2100 9000 0.25 0.1 205.0 16 sma1ez300 300.0 0.8 2300 9500 0.25 0.1 228.0 15
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