notes : 1.measured with i f =0.5a,i r =1a,i rr =0.25a. 2.measured at 1.0mhz and applied rev erse voltage of 4.0v dc. 3.thermal resistance junction to amb ient. v rms v dc v rrm i (av) i fsm v f i r @t a = 55 c @t j =100 c UF3001 thru uf3004 ultra fast rectifiers features low cost diffused junction ultra fast switching for high efficiency low reverse leakage current low forward voltage drop high current capability the plastic material carries ul recognition 94v-0 mechanical data case : jedec do-201ad molded plastic polarity : color band denotes cathode weight : 0.04 ounces, 1.1 grams mounting position : any maximum ratings and electrical characteristics ratings at 25 ambient temperature unless otherwise specified. single phase, half wave, 60hz, resistive or inducti ve load. for capacitive load, derate current by 20% maximum average forward rectified current peak forward surge current 8.3ms single half sine-wave super imposed on rated load (jedec method) maximum recurrent peak reverse voltage maximum rms voltage maximum dc blocking voltage maximum forward voltage at 3.0a dc maximum dc reverse current at rated dc blocking voltage @t j =25 c 3.0 150 1.0 5 100 t j operating temperature range -55 to +125 c t stg storage temperature range -55 to +150 c typical thermal resistance (note 3) r 0ja 20 c/w ua v a a v unit v v characteristics symbol UF3001 50 35 50 c j typical junction capacitance (note 2) 75 pf maximum reverse recovery time (note 1) t rr 1.3 50 ns all dimensions in millimeter max. min. do-201ad dim. a d c b 25.4 9.50 - 7.30 1.20 4.80 5.30 1.30 do-201ad a c d a b 100 70 100 uf3002 200 140 200 uf3003 400 280 400 uf3004 reverse voltage - 50 to 400 volts forward current - 3.0 amperes semiconductor lite-on rev. 3, aug-2010, kdcf02
rating and characteristic curves UF3001 thru uf3004 fig.1 - forward current derating curve average forward current amperes 25 75 100 125 150 2.0 0 50 1.0 3.0 175 single phase half wave 60hz resistive or inductive load ambient temperature , c fig.2 - maximum non-repetitive surge current number of cycles at 60hz peak forward surge current, amperes 1 5 10 50 100 2 20 0 50 100 150 200 single half-sine-wave (jedec method) instantaneous forward current ,(a) instantaneous forward voltage , volts fig.4 - typical forward characteristics 0.2 0.4 1.2 1.4 1.0 10 100 0.6 0.8 1.0 0.1 1.8 1.6 t j = 25 c pulse width 300us 2.0 UF3001 to uf3004 uf3004 fig.3 - typical junction capacitance capacitance , (pf) reverse voltage , volts 1.0 0.1 100 100 10 1 4 1000 t j = 25 c, f= 1mhz
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