fst31120 to fst31150 dual schottky barrier rectifiers prv : 120 - 150 volts io : 30 am p ere features : * guard ring for reverse protection * low power loss * high efficiency * high surge capacity * pb / rohs free mechanical data : * case : jedec to-220ab molded plastic body * terminals: plated leads, solderable per mil-std-750 method 2026 * polarity: as marked * mounting position: any * weight : 2.24 grams (approximately) maximum ratings and electrical characteristics (ta =25c unless otherwise noted.) symbol fst31120 FST31130 fst31150 unit maximum repetitive peak reverse voltage v rrm 120 130 150 v maximum average forward rectified total device 30 current at t c = 153 c per leg 15 maximum peak forward surge current, 8.3ms single half sine-wave superimposed on rated load per leg maximum instantaneous forward at i f = 15 a, t j = 25 c 0.85 voltage per leg (1) i f = 15 a, t j = 125 c 0.72 maximum reverse current per leg t j = 25c i r 250 a at working peak reverse voltage ( 1 ) t j = 125 c i r(h) 1.0 ma typical junction capacitance ( v r = 5 v, t j = 25 c) c j 350 pf maximum thermal resistance, junction to case, per leg r jc 2.0 c/w operating junction temperature range t j - 55 to + 175 c storage temperature range t stg - 55 to + 175 c note : (1) pulse test: pulse width 300 s, duty cycle 2%. page 1 of 2 rev. 01 : october 13, 2006 a i f(av) v f parameter a i fsm 250 v 0.105(2.67) 0.095(2.41) pin 2 0.205(5.20) 0.195(4.95) 0.635(16.13) 0.625(15.87) 0.055(1.39) 0.045(1.14) 0.145(3.68) 0.135(3.43) 0.160(4.06) 0.140(3.56) 0.603(15.32) 0.573(14.55) 0.560(14.22) 0.530(13.46) 0.350(8.89) 0.330(8.39) 0.185(4.70) 0.175(4.44) 0.037(0.94) 0.027(0.68) 0.415(10.54)max. 0.154(3.91)dia. 0.148(3.74) 0.113(2.87) 0.103(2.62) pin 1 pin 3 case 0.022(0.56) 0.014(0.36) 13 2 to-220ab dimensions in inches and ( millimeters ) certificate th97/10561qm certificate tw00/17276em
fig.1 - forward current derating fig.2 - typical junction capacitance per leg per leg 140 145 150 155 160 165 170 175 0.1 1.0 10 100 fig.3 - typical forward characteristics fig. 4 - typical reverse characteristics per leg per leg 0 30 60 90 120 150 page 2 of 2 rev. 01 : october 13, 2006 rating and characteristic curves ( fst31120 ~ fst31150 ) 15 12 9 6 0.01 1000 0 10 100 10 1.0 100 0.001 reverse voltage, (v) junction capacitance, (pf) average forward current, (a) instantaneous forward current, (a) typical reverse current, ( a) 0.1 0.2 0.4 0.6 0.8 1.0 instantaneous forward voltage, (v) 3 1.0 t j = 25 c 0.0001 0.1 1.2 t j = 25 c t j = 125 c t j = 125 c 1.4 1.6 case temperature, ( c) reverse voltage, (v) t j = 75 c certificate th97/10561qm certificate tw00/17276em
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