schottky rectifier 9 amp 95sq015 pd-2.273 rev. a 12/97 1 www.irf.com dimensions in millimeters and inches conforms to jedec outline do - 204ar case style and dimensions major ratings and characteristics i f(av) rectangular 9 a waveform v rrm 15 v i fsm @ tp = 5 s sine 2900 a v f @ 9 apk, t j = 75c 0.25 v t j range - 55 to 100 c characteristics 95sq015 units description/features the 95sq015 axial leaded schottky rectifier has been opti- mized for ultra low forward voltage drop specifically for the or- ing of parallel power supplies. the proprietary barrier technology allows for reliable operation up to 100 c junction temperature. typical applications are in parallel switching power supplies, converters, reverse battery protection, and redundant power subsystems. 100 c t j operation optimized for or-ing applications ultra low forward voltage drop high frequency operation guard ring for enhanced ruggedness and long term reliability high purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance
95sq015 pd-2.273 rev. a 12/97 2 www.irf.com part number 95sq015 v r max. dc reverse voltage (v) 15 v rwm max. working peak reverse voltage (v) 25 voltage ratings i f(av) max. average forward current 9 a 50% duty cycle @ t c = 55 c, rectangular wave form * see fig. 5 i fsm max. peak one cycle non-repetitive 2900 5s sine or 3s rect. pulse surge current * see fig. 7 400 10ms sine or 6ms rect. pulse e as non-repetitive avalanche energy 4.50 mj t j = 25 c, i as = 1 amps, l = 9 mh i ar repetitive avalanche current 1 a current decaying linearly to zero in 1 sec frequency limited by t j max. v a = 3 x v r typical parameters 95sq units conditions absolute maximum ratings a following any rated load condition and with rated v rrm applied v fm max. forward voltage drop (1) 0.31 v @ 9a * see fig. 1 0.37 v @ 18a 0.25 v @ 9a 0.31 v @ 18a i rm max. reverse leakage current (1) 7 ma t j = 25 c * see fig. 2 348 ma t j = 100 c 310 ma t j = 100 c v r = 12v 190 ma t j = 100 c v r = 5v c t max. junction capacitance 1300 pf v r = 5v dc , (test signal range 100khz to 1mhz) 25 c l s typical series inductance 10.0 nh measured lead to lead 5mm from body dv/dt max. voltage rate of change 10,000 v/ s (rated v r ) t j = 25 c t j = 75 c v r = rated v r parameters 95sq units conditions electrical specifications (1) pulse width < 300s, duty cycle < 2% t j max. junction temperature range -55 to 100 c t stg max. storage temperature range -55 to 100 c r thjl max. thermal resistance junction 8.0 c/w dc operation * see fig. 4 to lead 1/8 inch lead leangth r thja typical thermal resistance, 44 c/w junction to air wt approximate weight 1.4(0.049) g (oz.) case style do - 204ar j edec thermal-mechanical specifications parameters 95sq units conditions
95sq015 pd-2.273 rev. a 12/97 3 www.irf.com fig. 2 - typical values of reverse current vs. reverse voltage fig. 3 - typical junction capacitance vs. reverse voltage fig. 4 - maximum thermal impedance z thjl characteristics fig. 1 - maximum forward voltage drop characteristics .1 1 10 100 0.1.2.3.4.5.6.7. 8 fm f instantaneous forward current - i (a) forwar d vol t age drop - v ( v) t = 100 c t = 75c t = 25c j j j .1 1 10 100 1000 05101 5 r r 75 c 50c 25c reverse vol t age - v ( v) reverse current - i (ma) t = 100c j 100 1000 10000 0 5 10 15 20 25 3 0 t = 25 c j r everse v oltage - v (v) r t junction capacitance - c (pf) .01 .1 1 10 .00001 .0001 .001 .01 .1 1 10 10 0 d = 0.33 d = 0. 50 d = 0.25 d = 0.17 d = 0.08 1 t , rectangular pulse duration (seconds) thermal im pedance - z ( c /w ) single pulse (therm al resistance) thjl 2 t 1 t p d m not es: 1. d uty factor d = t / t 2. peak t = p x z + t 1 jdm c 2 thjl = 1/8 inch
95sq015 pd-2.273 rev. a 12/97 4 www.irf.com fig. 8 - unclamped inductive test circuit fig. 5 - maximum allowable case temperature vs. average forward current fig. 6 - forward power loss characteristics fig. 7 - maximum non-repetitive surge current 0 .5 1 1. 5 2 2. 5 3 3. 5 0246810121 4 dc average power loss - (w atts) f(av) d = 0.08 d = 0.17 d = 0.25 d = 0.33 d = 0.50 r m s li m it average forward current - i (a) 70 75 80 85 90 95 100 105 0246810121 4 dc al l owabl e case tem perature - ( c) average forward current - i (a) f(av) 95sq015 r (d c) = 8. 0 c/w thjl = 1/8 inch 100 1000 10000 10 100 1000 10000 fsm p non-repetitive surge current - i (a) at any rated load condition and with rated v applied following surge rrm square wave pulse duration - t (microsec) free-wheel diode 40hfl40s02 current monitor high-speed switch irfp460 l dut rg = 25 ohm vd = 25 volt +
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