features characteristic symbol 1n4448w unit non-repetitive peak reverse voltage v rm 100 v peak repetitive reverse voltage working peak reverse voltage dc blocking voltage v rrm v rwm v r 75 v rms reverse voltage v r(rms) 53 v forward continuous current (note 1) i fm 500 ma average rectified output current (note 1) i o 250 ma non-repetitive peak forward surge current @ t = 1.0 s @ t = 1.0s i fsm 4.0 2.0 a power dissipation (note 1) p d 350 mw thermal resistance junction to ambient air (note 1) r ja 357 k/w operating and storage temperature range t j , t stg -65 to +150 c maximum ratings @ t a = 25 c unless otherwise specified notes: 1. valid provided that terminals are kept at ambient temperature. characteristic symbol min max unit test condition maximum forward voltage v fm 0.62 0.72 0.855 1.0 1.25 v i f = 5.0ma i f = 10ma i f = 100ma i f = 150ma maximum peak reverse current i rm 2.5 50 30 25 a a a na v r = 75v v r = 75v, t j = 150 c v r = 25v, t j = 150 c v r = 20v junction capacitance c j 4.0 pf v r = 0, f = 1.0mhz reverse recovery time t rr 4.0 ns i f = i r = 10ma, i rr = 0.1 x i r , r l = 100 electrical characteristics @ t a = 25 c unless otherwise specified fast switching speed surface mount package ideally suited for automatic insertion for general purpose switching applications high conductance 2 . 70 3 . 70 0 . 5 5 1 . 0 5 1 . 6 SOD-123 1n4448w http:// www.wej.cn e-mail:wej@yongerjia.com wej electronic co. r o hs wej electronic co.,ltd
c b d 0.20 e a1 a2 a e1 l l1 symbol a a1 a2 b c d e e1 l l1 | min 1.050 0.000 1.050 0.450 0.080 1.500 2.600 3.550 0.250 0 max 1.250 0.100 1.150 0.650 0.150 1.700 2.800 3.850 0.450 8 min 0.041 0.000 0.041 0.018 0.003 0.059 0.102 0.140 0.010 0 max 0.049 0.004 0.045 0.026 0.006 0.067 0.110 0.152 0.018 8 dimensions in millimeters dimensions in inches 0.020ref 0.500ref | 1 10 100 1000 10,000 0 100 200 i , leakage current (na) r t , junction tempera ture (c) fig. 2 leakage current vs junction t emperature j v = 20v r 10 1.0 100 1000 0.1 0.01 01 2 i , inst ant ane o us f o r w ard current (ma) f v , inst ant aneous for w ard vol t age (v) fig. 1 forward characteristics f 1n4448w http:// www.wej.cn e-mail:wej@yongerjia.com wej electronic co. r o hs wej electronic co.,ltd
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