fast switching speed surface mount package ideally suited for automatic insertion for general purpose switching applications high conductance outline similar to jedec 213aa characteristic symbol value 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 300 ma average rectified output current (note 1) i o 150 ma non-repetitive peak forward surge current@ t = 1.0 s i fsm 2.0 a power dissipation p d 500 mw thermal resistance junction to ambient air (note 1) r ja 300 k/w operating and storage temperature range t j ,t stg -65 to +175 c maximum ratings @ t a = 25 c unless otherwise specified notes: 1. valid provided that electrodes are kept at ambient temperature. characteristic symbol min max unit test condition maximum forward voltage v fm 1.0 v i f = 50ma maximum peak reverse current i rm 25 50 5.0 na a a v r = 20v v r = 20v, t j = 150 c v r = 75v 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, v r = 6v, r l = 100 electrical characteristics @ t a = 25 c unless otherwise specified case: quadromelf, glass terminals: solderable per mil-std-202, method 208 polarity: cathode band marking: cathode band only weight: 0.034 grams (approx.) a d c b quadromelf dim min max a 3.3 3.7 b 1.4 1.6 c 1.7 typical d 0.3 typical all dimensions in mm LS4148 surface mount fast switching diode features m echani cal d ata http://www.luguang.cn mail:lge@luguang.cn
1 10 100 1000 10,000 0 100 200 i , leakage current (na) r t , junction temperature ( c) fig. 2 leakage current vs junction temperature j v = 20v r 10 1.0 100 1000 0.1 0.01 01 2 i , instantane o us f o rward current (ma) f v , instantaneous forward voltage (v) fig. 1 forward characteristics f t = 100 c j t = 25 c j LS4148 surface mount fast switching diode http://www.luguang.cn mail:lge@luguang.cn
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