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, lead and case. v rms v dc v rrm i (av) i fsm v f i r @t a = 55 c @t j =100 c uf1001 thru uf1007 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-41 molded plastic polarity : color band denotes cathode weight : 0.012 ounces, 0.34 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% 200 140 200 50 35 50 1000 700 1000 100 70 100 800 560 800 600 420 600 400 280 400 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 1.0a dc maximum dc reverse current at rated dc blocking voltage @t j =25 c 1.0 30 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) 60 19 16 c/w c j typical junction capacitance (note 2) 20 pf ua v a a v unit v v all dimensions in millimeter max. min. do-41 dim. a d c b 25.4 5.20 - 4.10 0.71 2.00 2.70 0.86 do-41 a c d a b characteristics symbol maximum reverse recovery time (note 1) t rr 1.3 1.7 10 50 75 ns uf1001 uf1002 UF1003 uf1004 uf1005 uf1006 uf1007 reverse voltage - 50 to 1000 volts forward current - 1.0 ampere semiconductor lite-on rev. 3, jun-2009, kdcc02 r 0ja r 0jl r 0jc
rating and characteristic curves uf1001 thru uf1007 peak forward surge current, amperes fig.2 - maximum non-repetitive surge current number of cycles at 60hz 1 5 10 50 100 2 20 0 10 20 30 40 pulse width 8.3ms single half-sine-wave (jedec method) fig.1 - forward current derating curve average forward current amperes 25 75 100 125 150 0.6 0 50 0.2 1.0 175 single phase half wave 60hz resistive or inductive load ambient temperature , c 0.8 0.4 instantaneous forward voltage , volts fig.4 - typical forward characteristics instantaneous forward current ,(a) 0.2 0.4 1.2 1.4 0 0.1 1.0 10 0.6 0.8 1.0 0.01 1.8 1.6 t j = 25 c pulse width 300us uf1001 - UF1003 uf1005 - uf1007 uf1004 fig.3 - typical junction capacitance capacitance , (pf) reverse voltage , volts 10 1 100 100 10 1.0 4 uf1005 to uf1007 uf1001 to uf1004 t j = 25 c, f= 1mhz
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