d s 30010 rev. a-2 1 of 2 ls4154 features ls4154 surface mount fast switching diode 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 ls4154 unit non-repetitive peak reverse voltage v rm 35 v peak repetitive reverse voltage working peak reverse voltage dc blocking voltage v rrm v rwm v r 25 v rms reverse voltage v r(rms) 17 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 = 30ma maximum peak reverse current i rm 100 100 na a v r = 25v v r = 25v, t j = 150 c junction capacitance c j 4.0 pf v r = 0, f = 1.0mhz reverse recovery time t rr 2.0 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 features case: quadromelf, glass terminals: solderable per mil-std-202, method 208 polarity: cathode band marking: cathode band only weight: 0.034 grams (approx.) mechanical data 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
d s 30010 rev. a-2 2 of 2 ls4154 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 , inst ant ane o us f o r w ard current (ma) f v , instantaneous forward voltage (v) fig. 1 forward characteristics f t = 100 c j t = 25 c j
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