? semiconductor components industries, llc, 2001 july, 2001 ? rev. 5 474 publication order number: MUR3040/d MUR3040 preferred device switchmode ? power rectifier . . . designed for use in switching power supplies, inverters and as free wheeling diodes, these state?of?the?art devices have the following features: ? ultrafast 100 nanosecond recovery time ? 175 c operating junction temperature ? high voltage capability to 400 volts ? low forward voltage drop ? high temperature glass passivated junction mechanical characteristics ? case: epoxy, molded ? weight: 4.3 grams (approximately) ? finish: all external surfaces corrosion resistant and terminal leads are readily solderable ? lead temperature for soldering purposes: 260 c max. for 10 seconds ? shipped 30 units per plastic tube ? marking: u3040 maximum ratings rating symbol max unit peak repetitive reverse voltage working peak reverse voltage dc blocking voltage v rrm v rwm v r 400 v average rectified forward current t c = 70 c i f(av) 30 a peak repetitive forward current (rated v r , square wave, 20 khz, t c = 150 c) i frm 30 a non?repetitive peak surge current (surge applied at rated load conditions halfwave, single phase, 60 hz) i fsm 300 a operating junction and storage temperature range t j , t stg ?65 to +175 c device package shipping ordering information MUR3040 to?218 http://onsemi.com to?218 case 340e style 1 30 units/rail 4 1 ultrafast rectifier 30 amperes 400 volts 3 preferred devices are recommended choices for future use and best overall value. marking diagram u3040 u3040 = device code 1 3 4
MUR3040 http://onsemi.com 475 thermal characteristics rating symbol max unit thermal resistance, junction to case r q jc 1.0 c/w electrical characteristics instantaneous forward voltage (note 1.) @ i f = 30 amps, t c = 100 c @ i f = 30 amps, t c = 25 c v f 1.4 1.5 volts instantaneous reverse current (note 1.) @ rated dc voltage, t c = 100 c @ rated dc voltage, t c = 25 c i r 6.0 35 ma m a reverse recovery time i f = 1.0 amp, di/dt = 15 amp/ m s t rr 100 ns 1. pulse test: pulse width = 300 m s, duty cycle 2.0% typical electrical characteristics figure 1. typical forward voltage figure 2. typical reverse current figure 3. current derating, case figure 4. current derating, ambient v r , reverse voltage (volts) i r , reverse current ( amps) v f , instantaneous forward voltage (mv) i f , forward current (amps) t a , ambient temperature ( c) 100 10 1 1.5 1.3 1.1 0.9 0.7 0.5 0.3 0.1 150 c 100 c 25 c t j = 150 c 100 50 100 200 300 350 400 10 1 0.1 0.01 0 4 3 2 0 20 40 60 80 100 200 in free air with no heatsink dc t c , case temperature ( c) 30 140 25 20 15 10 5 0 150 160 170 180 dc i f , forward current (amps) i f , forward current (amps) m 0.1 150 250 1000 100 c 25 c 35 1 120 140 160 180
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