1 of 2 800v 4.0a web site: www.taychipst.com features e-mail: sales@taychipst.com maximum ratings and electrical characteristics m e c h a n i c a l d a t a ? 20 mj avalanche energy guaranteed ? excellent protection against voltage transients in switching inductive load circuits ? ultrafast 75 nanosecond recovery time ? 175 c operating junction temperature ? low forward voltage ? low leakage current ? high temperature glass passivated junction ? reverse voltage to 800 v ? these are pb-free devices ? case: epoxy, molded ? weight: 217 mg (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 in 16 mm tape & reel, 2500 units per reel ? polarity: notch in plastic body indicates cathode lead switchmode power rectifiers MURS480ET3G maximum ratings rating symbol value unit peak repetitive reverse voltage working peak reverse voltage dc blocking voltage murs480e v rrm v rwm v r 800 v average rectified forward current i f(av) 4.0 @ t l =110 c a non-repetitive peak surge current (surge applied at rated load conditions halfwave, single phase, 60 hz) i fsm 70 a operating junction and storage temperature range t j , t stg -65 to +175 c thermal characteristics rating symbol value unit maximum thermal resistance, junction-to-lead r jl 11 c/w maximum thermal resistance, junction-to-ambient r ja 165 c/w electrical characteristics characteristic symbol max unit maximum instantaneous forward voltage (note 1) (i f = 3.0 amps, t j = 150 c) (i f = 3.0 amps, t j = 25 c) (i f = 4.0 amps, t j = 25 c) v f 1.53 1.75 1.85 v maximum instantaneous reverse current (note 1) (rated dc voltage, t j = 150 c) (rated dc voltage, t j = 25 c) i r 900 25 a maximum reverse recovery time (i f = 1.0 a, di/dt = 50 a/ s) (i f = 0.5 a, i r = 1.0 a, i rec = 0.25 a) t rr 100 75 ns maximum forward recovery time (i f = 1.0 amp, di/dt = 100 amp/ s, recovery to 1.0 v) t fr 75 ns controlled avalanche energy w aval 20 mj 1. pulse test: pulse width = 300 s, duty cycle 2.0%.
2 of 2 ratings and characteristic curves MURS480ET3G e-mail: sales@taychipst.com web site: www.taychipst.com 800v 4.0a switchmode power rectifiers MURS480ET3G figure 1. typical forward voltage v f, instantaneous voltage (v) 0.2 0.8 0.4 1.2 0.03 0.1 0.3 0.2 2.0 1.0 0.02 20 7.0 3.0 0.5 5.0 0.05 , instantaneous forward current (a) f v r , reverse voltage (volts) 0 200 100 400 40 100 0.01 0.004 200 1.0 0.4 0.2 20 4.0 2.0 10 t j = 175 c 300 700 figure 2. typical reverse current figure 3. current derating lead figure 4. power dissipation 0 i f(av) , average forward current (a) figure 5. typical capacitance 0.7 10 0.07 1.6 1.8 2 100 c t j = 175 c 25 c 600 500 0.1 0.04 0.02 100 c 25 c dc i 0 0.6 1.0 1.4 v r , reverse voltage (v) c, capacitance (pf) 400 800 0.002 0.001 1000 t l , lead temperature ( c) 020 40 square wave dc 8 7 6 5 4 3 2 1 0 60 80 100 180 160 140 120 i f , average forward current (a) square wave 5101520 60 50 40 30 20 10 0 p f(av) , average power dissipation (w) i r , reverse current ( a) 0 25 50 75 100 125 150 175 200 1000 100 10 1
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