mmsz 5221bg- mmsz 5260bg z ibo seno electronic engineering co., ltd. sod-123 dim e nsions in inch & mm case: sod-123, molded plastic lead fr ee: for rohs / lead free version 500mw surface mount zener diode features terminals: solderable per mil-std-202, method 208 polarity: cathode band approx. weight: 0.01 grams mechanical data maximum ratings characteristic symbol value unit power dissipation (note 1) p d 500 mw forward voltage @ i f = 10ma v f 0.9 v thermal resistance, junction to ambient air (note 2) r ja 350 k/w operating and storage temperature range t j ,t stg -55 to +150 c planar die construction sealed glass case ideally suited for automated insertion 2.4v - 43v nominal zener voltages @ t a = 25c unless otherwise specified 1 of 3 www.senocn.com . 0 1 7 ( 0 . 4 5 ) ???? ??? ??? ? ?? . 0 4 1 ( 1 . 0 5 ) . 0 2 5 ( 0 . 6 5 ) . 0 5 8 ( 1 . 5 0 ) ????? ? ??????? . 0 6 6 ( 1 . 7 0 ) . 0 2 5 ( 0 . 6 5 ) . 0 4 9 ( 1 . 2 5 ) ?????? ?? ???????? ??????? ??????? ???? a ? note: 1. devi ce mounted on ceramic pcb:7.6mm x 9.4mm x 0.87mm with pad areas 25mm 2 . 2.tested with pulses,t p Q 1.0ms. mmsz 5221bg- mmsz 5260bg a l l d a t a s h e e t
1) based o n dc-measurement at thermal equilibrium while maintaining the lead temperature(t l ) at 30 , 9.5mm (3/8?) from the dio de bo d y. electrical characteristics @ t a = 25c unless otherwise specified 2 of 3 www.senocn.com z ibo seno electronic engineering co., ltd. nominal zener vol tage max. zener impedance max reverse leakage current v z @ i zt z zt @ i zt z zk @ i zk i r @ v r part number nom. v min. v max. v ? ma ? ma a v mmsz5221bg 2.4 2.28 2.52 30 20.0 1200 0.25 100 1.0 mmsz5223bg 2.7 2.57 2.84 30 20.0 1300 0.25 75 1.0 mmsz5225bg 3.0 2.85 3.15 30 20.0 1600 0.25 50 1.0 mmsz5226bg 3.3 3.14 3.47 28 20.0 1600 0.25 25 1.0 mmsz5227bg 3.6 3.42 3.78 24 20.0 1700 0.25 15 1.0 mmsz5228bg 3.9 3.71 4.10 23 20.0 1900 0.25 10 1.0 mmsz5229bg 4.3 4.09 4.52 22 20.0 2000 0.25 5.0 1.0 mmsz5230bg 4.7 4.47 4.94 19 20.0 1900 0.25 5.0 2.0 mmsz5231bg 5.1 4.85 5.36 17 20.0 1600 0.25 5.0 2.0 mmsz5232bg 5.6 5.32 5.88 11 20.0 1600 0.25 5.0 3.0 mmsz5233bg 6.0 5.70 6.30 7 20.0 1600 0.25 5.0 3.5 MMSZ5234BG 6.2 5.89 6.51 7 20.0 1000 0.25 5.0 4.0 mmsz5235bg 6.8 6.46 7.14 5 20.0 750 0.25 3.0 5.0 mmsz5236bg 7.5 7.13 7.88 6 20.0 500 0.25 3.0 6.0 mmsz5237bg 8.2 7.79 8.61 8 20.0 500 0.25 3.0 6.5 mmsz5238bg 8.7 8.27 9.14 8 20.0 600 0.25 3.0 6.5 mmsz5239bg 9.1 8.65 9.56 10 20.0 600 0.25 3.0 7.0 mmsz5240bg 10 9.50 10.50 17 20.0 600 0.25 3.0 8.0 mmsz5241bg 11 10.45 11.55 22 20.0 600 0.25 2.0 8.4 mmsz5242bg 12 11.40 12.60 30 20.0 600 0.25 1.0 9.1 mmsz5243bg 13 12.35 13.65 13 9.5 600 0.25 0.5 9.9 mmsz5244bg 14 13.30 14.70 15 9.0 600 0.25 0.1 10.0 mmsz5245bg 15 14.25 15.75 16 8.5 600 0.25 0.1 11.0 mmsz5246bg 16 15.20 16.80 17 7.8 600 0.25 0.1 12.0 mmsz5248bg 18 17.10 18.90 21 7.0 600 0.25 0.1 14.0 mmsz5250bg 20 19.00 21.00 25 6.2 600 0.25 0.1 15.0 mmsz5251bg 22 20.90 23.10 29 5.6 600 0.25 0.1 17.0 mmsz5252bg 24 22.80 25.20 33 5.2 600 0.25 0.1 18.0 mmsz5254bg 27 25.65 28.35 41 5.0 600 0.25 0.1 21.0 mmsz5255bg 28 26.60 29.40 44 4.5 600 0.25 0.1 21.0 mmsz5256bg 30 28.50 31.50 49 4.2 600 0.25 0.1 23.0 mmsz5257bg 33 31.35 34.65 58 3.8 700 0.25 0.1 25.0 mmsz5258bg 36 34.20 37.80 70 3.4 700 0.25 0.1 27.0 mmsz5259bg 39 37.05 40.95 80 3.2 800 0.25 0.1 30.0 mmsz5260bg 43 40.85 45.15 93 3.0 900 0.25 0.1 33.0 mmsz 5221bg- mmsz 5260bg mmsz 5221bg- mmsz 5260bg a l l d a t a s h e e t
characteristics (t j =25 unless otherwise specified) z ibo seno electronic engineering co., ltd. 3 of 3 www.senocn.com leakage current,ua normal zener voltage,volts fig.4-typical leakage current v z ,zener voltage(volts) v z ,zener voltage(volts) fig.3a-v z =2.4 thru 1.0 volts fig.3b-v z =12 thru 39 volts fig.2-typical capacitance zener current ,ma zener current , m a fig.1-steady state power derating power dissipation,watts temperature(c) capacitance, p f normal zener voltage,volts 0 0.1 0.2 0.3 0.4 0.5 0 25 50 75 100 125 150 t a =25c 1 10 100 1000 1 10 100 1v bias t a =25 biasat 50% of v z nom 0v bias 0.0001 0.001 0.01 0.1 1 0246810 12 mmsz5235bg;5240bg mmsz5221bg;5225bg mmsz5230bg 0.0000001 0.000001 0.00001 0.0001 0.001 0.01 0.1 1 10 15 20 25 30 35 40 45 mmsz5256bg;5259bg mmsz5245bg;5250bg 0.00001 0.0001 0.001 0.01 0.1 1 10 100 1000 0 10 2 030405060708090 +25c +150c -55c mmsz 5221bg- mmsz 5260bg mmsz 5221bg- mmsz 5260bg a l l d a t a s h e e t
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