zener voltage regulators 500 mw sod ? 123 surface mount three complete series of zener diodes are offered in the convenient, surface mount plastic sod ? 123 package. these devices provide a convenient alternative to the leadless 34 ? package style. features ? 500 mw rating on fr ? 4 or fr ? 5 board ? w ide zener reverse voltage range ? 2.4 v to 110 v ? package designed for optimal automated board assembly ? small package size for high density applications ? general purpose, medium current ? esd rating of class 3 (> 16 kv) per human body model ? sz prefix for automotive and other applications requiring unique site and control change requirements; aec ? q101 qualified and ppap capable ? pb ? free packages are available* mechanical characteristics: case: void-free, transfer-molded, thermosetting plastic case finish: corrosion resistant finish, easily solderable maximum case temperature for soldering purposes: 260 ? c for 10 seconds polarity: cathode indicated by polarity band flammability rating: ul 94 v ? 0 maximum ratings rating symbol max units total power dissipation on fr ? 5 board, (note 1) @ t l = 75 ? c derated above 75 ? c p d 500 6.7 mw mw/ ? c thermal resistance, junction ? to ? ambient (note 2) r ja 340 ? c/w thermal resistance, junction ? to ? lead (note 2) r jl 150 ? c/w junction and storage temperature range t j , t stg ? 55 to +150 ? c stresses exceeding maximum ratings may damage the device. maximum ratings are stress ratings only. functional operation above the recommended operating conditions is not implied. extended exposure to stresses above the recommended operating conditions may affect device reliability. 1. fr ? 5 = 3.5 x 1.5 inches, using the minimum recommended footprint. 2. thermal resistance measurement obtained via infrared scan method. sod ? 123 case 425 style 1 1 cathode 2 anode
electrical characteristics (t a = 25 q c unless otherwise noted, v f = 0.95 v max. @ i f = 10 ma) symbol parameter v z reverse zener voltage @ i zt i zt reverse current z zt maximum zener impedance @ i zt i zk reverse current z zk maximum zener impedance @ i zk i r reverse leakage current @ v r v r reverse voltage i f forward current v f forward voltage @ i f zener voltage regulator i f v i i r i zt v r v z v f
5% tolerance fg electrical characteristics (t a = 25 q c unless otherwise noted, v f = 0.9 v max. @ i f = 10 ma) device* device zener voltage (notes 3 and 4) zener impedance (note 5) leakage cur- rent v z (volts) @ i zt z zt @ i zt z zk @ i zk i r @ v r min nom max ma ma a volts ams8321bt1g 2.28 2.4 2.52 20 30 1200 0.25 100 1 ams8322bt1g 2.38 2.5 2.63 20 30 1250 0.25 100 1 ams8323bt1g 2.57 2.7 2.84 20 30 1300 0.25 75 1 ams8324bt1g 2.66 2.8 2.94 20 30 1400 0.25 75 1 ams8325bt1g 2.85 3.0 3.15 20 29 1600 0.25 50 1 ams8326bt1g 3.14 3.3 3.47 20 28 1600 0.25 25 1 ams8327bt1g 3.42 3.6 3.78 20 24 1700 0.25 15 1 AMS8328BT1G 3.71 3.9 4.10 20 23 1900 0.25 10 1 ams8329bt1g 4.09 4.3 4.52 20 22 2000 0.25 5 1 ams8330bt1g 4.47 4.7 4.94 20 19 1900 0.25 5 2 ams8331bt1g 4.85 5.1 5.36 20 17 1600 0.25 5 2 ams8332bt1g 5.32 5.6 5.88 20 11 1600 0.25 5 3 ams83233bt1g 5.70 6.0 6.30 20 7 1600 0.25 5 3.5 ams8334bt1g 5.89 6.2 6.51 20 7 1000 0.25 5 4 ams8335bt1g 6.46 6.8 7.14 20 5 750 0.25 3 5 ams8336bt1g 7.13 7.5 7.88 20 6 500 0.25 3 6 ams8337bt1g 7.79 8.2 8.61 20 8 500 0.25 3 6.5 ams8338bt1g 8.27 8.7 9.14 20 8 600 0.25 3 6.5 ams8339bt1g 8.65 9.1 9.56 20 10 600 0.25 3 7 ams8340bt1g 9.50 10 10.50 20 17 600 0.25 3 8 ams8341bt1g 10.45 11 11.55 20 22 600 0.25 2 8.4 ams8342bt1g/t3g 11.40 12 12.60 20 30 600 0.25 1 9.1 ams8343bt1g 12.35 13 13.65 9.5 13 600 0.25 0.5 9.9 ams8344bt1g 13.30 14 14.70 9.0 15 600 0.25 0.1 10 ams8345bt1g 14.25 15 15.75 8.5 16 600 0.25 0.1 11 ams8346bt1g 15.20 16 16.80 7.8 17 600 0.25 0.1 12 ams8347bt1g 16.15 17 17.85 7.4 19 600 0.25 0.1 13 ams8348bt1g 17.10 18 18.90 7.0 21 600 0.25 0.1 14 ams8349bt1g 18.05 19 19.95 6.6 23 600 0.25 0.1 14 ams8350bt1g 19.00 20 21.00 6.2 25 600 0.25 0.1 15 ams8351bt1g 20.90 22 23.10 5.6 29 600 0.25 0.1 17 ams8352bt1g 22.80 24 25.20 5.2 33 600 0.25 0.1 18 ams8353bt1g 23.75 25 26.25 5.0 35 600 0.25 0.1 19 ams8354bt1g 25.65 27 28.35 4.6 41 600 0.25 0.1 21 ams8355bt1g 26.60 28 29.40 4.5 44 600 0.25 0.1 21 ams8356bt1g 28.50 30 31.50 4.2 49 600 0.25 0.1 23 ams8357bt1g 31.35 33 34.65 3.8 58 700 0.25 0.1 25 ams8358bt1g/t3g 34.20 36 37.80 3.4 70 700 0.25 0.1 27 ams8359bt1g 37.05 39 40.95 3.2 80 800 0.25 0.1 30 ams8360bt1g 40.85 43 45.15 3.0 93 900 0.25 0.1 33 ams8361bt1g 44.65 47 49.35 2.7 105 1000 0.25 0.1 36 ams8362bt1g 48.45 51 53.55 2.5 125 1100 0.25 0.1 39 ams8363bt1g 53.20 56 58.80 2.2 150 1300 0.25 0.1 43 ams8364bt1g 57.00 60 63.00 2.1 170 1400 0.25 0.1 46 ams8365bt1g 58.90 62 65.10 2.0 185 1400 0.25 0.1 47 ams8366bt1g 64.60 68 71.40 1.8 230 1600 0.25 0.1 52 ams8367bt1g 71.25 75 78.75 1.7 270 1700 0.25 0.1 56 ams8368bt1g 77.90 82 86.10 1.5 330 2000 0.25 0.1 62 ams8369bt1g 82.65 87 91.35 1.4 370 2200 0.25 0.1 68 ams8370bt1g 86.45 91 95.55 1.4 400 2300 0.25 0.1 69 ams8372bt1g 104.5 110 115.5 1.1 750 3000 0.25 0.1 84 3. the type numbers shown have a standard tolerance of r 5% on the nominal zener voltage. 4. nominal zener voltage is measured with the device junction in thermal equilibrium at t l = 30 q c r 1 q c. 5. z zt and z zk are measured by dividing the ac voltage drop across the device by the ac current applied. the specified limits are for i z(ac) = 0.1 i z(dc) with the ac frequency = 1 khz.
2% tolerance fg electrical characteristics (t a = 25? device* device zener voltage (notes 6 and 7) zener impedance (note 8) leakage cur- rent v z (volts) @ i zt z zt @ i zt z zk @ i zk i r @ v r min nom max ma ma a volts ams8326ct1g 3.234 3.3 3.366 20 28 1600 0.25 25 1 ams8331ct1g 4.998 5.1 5.202 20 17 1600 0.25 5 2 ams8332ct1g 5.488 5.6 5.712 20 11 1600 0.25 5 3 ams8345ct1g 14.70 15 15.30 8.5 16 600 0.25 0.1 11 ams8348ct1g 17.64 18 18.36 7.0 21 600 0.25 0.1 14 ams8350ct1g 19.60 20 20.40 6.2 25 600 0.25 0.1 15 ams8352ct1g 23.52 24 24.48 5.2 33 600 0.25 0.1 18 ams8356ct1g 29.40 30 30.60 4.2 49 600 0.25 0.1 23 6. the type numbers shown have a standard tolerance of ? ? ? ?
typical characteristics v z , nominal zener voltage (v) ?3 ?2 ?1 0 1 2 3 4 5 6 7 8 12 11 1098765432 figure 1. temperature coefficients (temperature range ?55 qc to +150 qc) typical t c values for ams83xxbt1g series, szams83xxbt1g series v z @ i zt 1000 10 1 10 200 v z , nominal zener voltage (v) figure 2. temperature coefficients (temperature range ?55 qc to +150 qc) 1.2 1.0 0.8 0.6 0.4 0.2 0 150 125 100 75 50 25 0 t , temperature ( qc) figure 3. steady state power derating p d versus t a p d versus t l 0.1 pw, pulse width (ms) figure 4. maximum nonrepetitive surge power 1 10 100 1000 1000 100 10 1 rectangular waveform, t a = 25 qc 100 v z , nominal zener voltage figure 5. effect of zener voltage on zener impedance 10 1 1000 100 10 1 t j = 25 qc i z(ac) = 0.1 i z(dc) f = 1 khz i z = 1 ma 5 ma 20 ma v f , forward voltage (v) figure 6. typical forward voltage 1.21.11.00.90.80.70.60.50.4 1000 100 10 1 75 v (ams8367bt1g) 91 v (ams8370bt1g) 150 qc 75 qc 25 qc 0 qc vz , temperature coefficient (mv/ qc) vz , temperature coefficient (mv/ qc) p pk , peak surge power (watts) z zt , dynamic impedance ( ) i f , forward current (ma) 100 100 typical t c values for ams83xxbt1g series, szams83xxbt1g series v z @ i zt
typical characteristics c, capacitance (pf) 100 v z , nominal zener voltage (v) figure 7. typical capacitance 1000 100 10 1 10 1 bias at 50% of v z nom t a = 25 q c 0 v bias 1 v bias 12 v z , zener voltage (v) 100 10 1 0.1 0.01 10 86 420 t a = 25 q c v z , zener voltage (v) 100 10 1 0.1 0.01 10 30 50 70 90 t a = 25 q c 90 v z , nominal zener voltage (v) figure 8. typical leakage current 1000 100 10 1 0.1 0.01 0.001 0.0001 0.00001 80706050403020100 +150 q c +25 q c ? 55 q c figure 9. zener voltage versus zener current (v z up to 12 v) figure 10. zener voltage versus zener current (12 v to 91 v) i r , leakage current ( a) i z , zener current (ma) i z , zener current (ma)
package dimensions sod ?123 case 425 ? 04 issue g notes: 1. dimensioning and tolerancing per ansi y14.5m, 1982. 2. controlling dimension: inch. aaaa aaaa aaaa 1 2 a1 dim min nom max millimeters inches a 0.94 1.17 1.35 0.037 a1 0.00 0.05 0.10 0.000 b 0.51 0.61 0.71 0.020 c 1.60 0.15 0.055 d 1.40 1.80 e 2.54 2.69 2.84 0.100 --- 3.68 0.140 l 0.25 3.86 0.010 h e 0.046 0.002 0.024 0.063 0.106 0.145 0.053 0.004 0.028 0.071 0.112 0.152 min nom max 3.56 h e --- --- --- 0.006 --- --- --- --- soldering footprint* 1.22 0.048 mm inches scale 10:1 --- --- 00 10 10 q q q q style 1: pin 1. cathode 2. anode
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