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 ? 50 0 mw rating on fr?4 or fr?5 board ? wide 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 ? 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 unit 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 maximum ratings are those values beyond which device damage can occur. maximum ratings applied to the device are individual stress limit values (not normal operating conditions) and are not valid simultaneously. if these limits are exceeded, device functional operation is not implied, damage may occur and reliability may be affected. 1. fr?5 = 3.5 x 1.5 inches, using the minimum recommended footprint. 2. thermal resistance measurement obtained via infrared scan method. leshan radio company, ltd. device package shipping ordering information sod?123 1 cathode 2 anode marking diagram 1 2 3000/tape & reel xx = device code m = date code 10,000/tape & reel 1 sod?123 lmsz5221bt1g series sod?123 lmsz5221bt3g series ? we declare that the material of product compliance with rohs requirements. xx m S-LMSZ5221BT1G series rev.a 1/6 lmsz5221bt1g series ? ? s- prefix for automotive and other applications requiring unique site and control change requirements; aec-q101 qualified and ppap capable.
electrical characteristics (t a = 25 c unless otherwise noted, v f = 0.9 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 leshan radio company, ltd. lmsz5221bt1g series , S-LMSZ5221BT1G series rev.a 2/6
electrical characteristics (t a = 25 c unless otherwise noted, v f = 0.9 v max. @ i f = 10 ma) device device marking zener voltage (notes 3 and 4) zener impedance (note 5) leakage current v z (volts) @ i zt z zt @ i zt z zk @ i zk i r @ v r min nom max ma ma a volts lmsz5221bt1g c1 2.28 2.4 2.52 20 30 1200 0.25 100 1 lmsz5222bt1g c2 2.38 2.5 2.63 20 30 1250 0.25 100 1 lmsz5223bt1g c3 2.57 2.7 2.84 20 30 1300 0.25 75 1 lmsz5224bt1g c4 2.66 2.8 2.94 20 30 1400 0.25 75 1 lmsz5225bt1g c5 2.85 3.0 3.15 20 29 1600 0.25 50 1 lmsz5226bt1g d1 3.14 3.3 3.47 20 28 1600 0.25 25 1 lmsz5227bt1g d2 3.42 3.6 3.78 20 24 1700 0.25 15 1 lmsz5228bt1g d3 3.71 3.9 4.10 20 23 1900 0.25 10 1 lmsz5229bt1g d4 4.09 4.3 4.52 20 22 2000 0.25 5 1 lmsz5230bt1g d5 4.47 4.7 4.94 20 19 1900 0.25 5 2 lmsz5231bt1g e1 4.85 5.1 5.36 20 17 1600 0.25 5 2 lmsz5232bt1g e2 5.32 5.6 5.88 20 11 1600 0.25 5 3 lmsz5233bt1g e3 5.70 6.0 6.30 20 7 1600 0.25 5 3.5 lmsz5234bt1g e4 5.89 6.2 6.51 20 7 1000 0.25 5 4 lmsz5235bt1g e5 6.46 6.8 7.14 20 5 750 0.25 3 5 lmsz5236bt1g f1 7.13 7.5 7.88 20 6 500 0.25 3 6 lmsz5237bt1g f2 7.79 8.2 8.61 20 8 500 0.25 3 6.5 lmsz5238bt1g f3 8.27 8.7 9.14 20 8 600 0.25 3 6.5 lmsz5239bt1g f4 8.65 9.1 9.56 20 10 600 0.25 3 7 lmsz5240bt1g f5 9.50 10 10.50 20 17 600 0.25 3 8 lmsz5241bt1g h1 10.45 11 11.55 20 22 600 0.25 2 8.4 lmsz5242bt1g h2 11.40 12 12.60 20 30 600 0.25 1 9.1 lmsz5243bt1g h3 12.35 13 13.65 9.5 13 600 0.25 0.5 9.9 lmsz5244bt1g h4 13.30 14 14.70 9.0 15 600 0.25 0.1 10 lmsz5245bt1g h5 14.25 15 15.75 8.5 16 600 0.25 0.1 11 lmsz5246bt1g j1 15.20 16 16.80 7.8 17 600 0.25 0.1 12 lmsz5247bt1g j2 16.15 17 17.85 7.4 19 600 0.25 0.1 13 lmsz5248bt1g j3 17.10 18 18.90 7.0 21 600 0.25 0.1 14 lmsz5250bt1g j5 19.00 20 21.00 6.2 25 600 0.25 0.1 15 lmsz5251bt1g k1 20.90 22 23.10 5.6 29 600 0.25 0.1 17 lmsz5252bt1g k2 22.80 24 25.20 5.2 33 600 0.25 0.1 18 lmsz5253bt1g k3 23.75 25 26.25 5.0 35 600 0.25 0.1 19 lmsz5254bt1g k4 25.65 27 28.35 4.6 41 600 0.25 0.1 21 lmsz5255bt1g k5 26.60 28 29.40 4.5 44 600 0.25 0.1 21 lmsz5256bt1g m1 28.50 30 31.50 4.2 49 600 0.25 0.1 23 lmsz5257bt1g m2 31.35 33 34.65 3.8 58 700 0.25 0.1 25 lmsz5258bt1g m3 34.20 36 37.80 3.4 70 700 0.25 0.1 27 lmsz5259bt1g m4 37.05 39 40.95 3.2 80 800 0.25 0.1 30 lmsz5260bt1g m5 40.85 43 45.15 3.0 93 900 0.25 0.1 33 lmsz5261bt1g n1 44.65 47 49.35 2.7 105 1000 0.25 0.1 36 lmsz5262bt1g n2 48.45 51 53.55 2.5 125 1100 0.25 0.1 39 lmsz5263bt1g n3 53.20 56 58.80 2.2 150 1300 0.25 0.1 43 lmsz5264bt1g n4 57.00 60 63.00 2.1 170 1400 0.25 0.1 46 lmsz5265bt1g n5 58.90 62 65.10 2.0 185 1400 0.25 0.1 47 lmsz5266bt1g p1 64.60 68 71.40 1.8 230 1600 0.25 0.1 52 lmsz5267bt1g p2 71.25 75 78.75 1.7 270 1700 0.25 0.1 56 lmsz5268bt1g p3 77.90 82 86.10 1.5 330 2000 0.25 0.1 62 lmsz5269bt1g p4 82.65 87 91.35 1.4 370 2200 0.25 0.1 68 lmsz5270bt1g p5 86.45 91 95.55 1.4 400 2300 0.25 0.1 69 lmsz5272bt1g r2 104.5 110 115.5 1.1 750 3000 0.25 0.1 84 3. the type numbers shown have a standard tolerance of 5% on the nominal zener voltage. 4. nominal zener voltage is measured with the device junction in thermal equilibrium at t l = 30 c 1 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. leshan radio company, ltd. rev.a 3/6 lmsz5221bt1g series , S-LMSZ5221BT1G series * * * * * not production
typical characteristics v z , nominal zener voltage (v) ?3 ?2 ?1 0 1 2 3 4 5 6 7 8 12 11 10 9 8 7 6 5 4 3 2 figure 1. temperature coefficients (temperature range ? 55 c to +150 c) typical t c values for mmsz5221bt1 series v z @ i zt 100 10 1 10 10 0 v z , nominal zener voltage (v) figure 2. temperature coefficients (temperature range ? 55 c to +150 c) v z @ i zt 1.2 1.0 0.8 0.6 0.4 0.2 0 150 125 100 75 50 25 0 t, temperature ( c) 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 10 100 100 0 1000 100 10 1 rectangular waveform, t a = 25 c 100 v z , nominal zener voltage figure 5. effect of zener voltage on zener impedance 10 1 1000 100 10 1 t j = 25 c 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. 2 1.1 1.0 0.9 0.8 0.7 0.6 0.5 0.4 1000 100 10 1 75 v (mmsz5267bt1) 91 v (mmsz5270bt1) 1 25 c 75 c 25 c 0 c typical t c values for mmsz5221bt1 series vz , temperature coefficient (mv/ c) vz , temperature coefficient (mv/ c) p pk , peak surge power (watts) z zt , dynamic impedance ( ) i f , forward current (ma) leshan radio company, ltd. rev.a 4/6 lmsz5221bt1g series , S-LMSZ5221BT1G series
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 c 0 v bias 1 v bias 12 v z , zener voltage (v) 100 10 1 0.1 0.01 10 8 6 4 2 0 t a = 25 c v z , zener voltage (v) 100 10 1 0.1 0.01 10 30 50 70 90 t a = 25 c 9 0 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 80 70 60 50 40 30 20 10 0 +1 25 c +25 c ?55 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) leshan radio company, ltd. rev.a 5/6 lmsz5221bt1g series , S-LMSZ5221BT1G series
sod123 style 1: pin 1. cathode 2. anode 1.22 0.048 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 ??? ??? ??? ??? leshan radio company, ltd. rev.a 6/6 lmsz5221bt1g series , S-LMSZ5221BT1G series
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