BAX18 switching diode features : ? switching speed: max. 50 ns ? general application ? continuous reverse voltage: max. 75 v ? repetitive peak reverse voltage: max. 75 v ? repetitive peak forward current: max. 2 a. ? pb / rohs free mechanical data : case: do-35 glass case weight: approx. 0.13g maximum ratings and thermal characteristics ( rating at 25 c ambient temperature unless otherwise specified .) symbol value unit v rrm 75 v v r 75 v maximum continuous forward current i f 500 ma maximum average forward current i f(av) ma maximum repetitive peak forward current i frm 2 a maximum non-repetitive peak forward current at t = 10ms, tj = 25 c i fsm 9 a maximum power dissipation p d 450 mw maximum junction temperature t j 200 c storage temperature range t s -65 to + 200 c electrical characteristics (t j = 25 c unless otherwise noted) parameter symbol min typ max unit v r = 75 v - - 5 v r = 75 v, tj = 150 c - - 100 forward voltage v f i f = 300 ma - - 1.0 v diode capacitance cd - - 35 pf i f = 30ma , i r = 30ma i rr = 3ma , r l = 100 w measured at i r = 3 ma page 1 of 2 rev. 02 : march 25, 2005 f = 1mhz ; v r = 0 400 reverse recovery time trr i r ns 50 - - m a parameter reverse current maximum repetitive peak reverse voltage maximum continuous reverse voltage test condition do - 35 glass (do-204ah) 0.079(2.0 )max. 0.150 (3.8) max. 0.020 (0.52)max. dimensions in inches and ( millimeters ) 1.00 (25.4) min. 1.00 (25.4) min. cathode mark
rating and characteristic curves ( BAX18 ) fig. 1 maximum forward current fig. 2 typical forward voltage versus ambient temperature. fig. 3 typical diode capacitance as fig.4 typical reverese current a function of reverse voltage vs junction temperature page 2 of 2 rev. 02 : march 25, 2005 0 10 20 reverse voltage , v r (v) 0 40 d i o d e c a p a c i t a n c e , c d ( p f ) 0 0.4 1.2 forward voltage , v f (v) 0.01 1 f o r w a r d c u r r e n t , i f ( a ) 0.001 0.1 0 0 100 200 ambient temperature , ta ( c) 100 400 1.0 10 30 a v e r a g e f o r w a r d c u r r e n t , i f ( a v ) ( m a ) 200 500 0.8 f = 1mhz; t j = 25 c t j = 25 c 0 100 200 1 10 2 10 3 10 -2 junction temperature , ta ( c) r e v e r s e c u r r e n t , i r ( m a ) v r = 75v 10 10 -1 300 10 20 lead length 10mm. 1.4
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