ds11016 rev. c-2 1 of 2 BAS31 BAS31 dual surface mount switching diode case: sot-23, molded plastic terminals: solderable per mil-std-202, method 208 polarity: see diagram marking: k21 weight: 0.008 grams (approx.) mechanical data a e j l top view m b c h g d k features sot-23 dim min max a 0.37 0.51 b 1.19 1.40 c 2.10 2.50 d 0.89 1.05 e 0.45 0.61 g 1.78 2.05 h 2.65 3.05 j 0.013 0.15 k 0.89 1.10 l 0.45 0.61 m 0.076 0.178 all dimensions in mm characteristic symbol BAS31 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 m 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 q 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 m a m a m 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 ? 2.0 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 w 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 power semiconductor
ds11016 rev. c-2 2 of 2 BAS31 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 0.01 012 i , instantaneous for ward current (ma) f v , instantaneous forward voltage (v) fig. 1 forward characteristics f
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