high reliability weight: 0.005 ounces, 0.14 grams maximum ratings and electrical characteristics ratings at 25 ambient temperature unless otherwise specified. single phase,half wave,60 hz,resistive or inductive load. for capacitive load,derate by 20%. units reverse voltage v r v peak reverse voltage (note 1) v rm v peak forward current non-repetitive peak forw ard surge current (note2) maximum instantaneous f orw ard voltage @i f =100ma v f v maximum reverse current @v r =150v at rated dc blocking voltage @v r =200v reverse recovery time t rr ns junction temperature t j storage temperature range t stg mechanical data i fm 625 1.0 polarity: color band denotes cathode 150 a 100 100 ma i fsm 1.0 a i r 0.2 175 - 65 ---- + 175 1SS81 200 power dissipation p d 400 mw @i f =i r =30ma,i rr =3ma,r l =100 capacitance @v r =0v,f=1mhz c j 1.5 pf notes:1.reverse voltae in excess of peak reverse voltage may deteriorate electrical characteristic. 2.within 1s forward surge current. average forward current i o 200 ma ? ki semiconductor co. small signal switching diode features glass sealed envelope. (ms d) case: do-35, glass case reverse voltage: 150 v current: 200 ma do - 35(glass) 1SS81 1
0 50 200 10 10 ?9 10 ?8 ?7 150 250 100 10 ?6 10 ?5 300 ta = 50c ta = 75c ta = 25c 5 0 0 15 10 20 25 .5 1 2 1.5 2.5 30 reverse current, a capacitance between terminals, pf fig.4 -- surge current characteristics fig. 5 -- reverse recovery time (trr) measurement ci rcui t surge current, a number of cycles 60hz reverse voltage, v fi g.3 -- capaci tance between termi nals cccccc characteri sti cs forward voltage, v forward current, ma fi g.2 -- reverse characteri sti cs fig.1 --forward characteristics 10 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 20 100 t a =125 75 25 -25 2 1 0.1 50 5k pulse generator output 50 sampling oscilloscope 0.01mf d.u.t 124 108 20 40 60 80 100 0 t j =125 8.3ms single half sine-wave 0.25 0.5 0.75 1.0 forward voltage, v 1SS81 2
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