? semiconductor components industries, llc, 2000 october, 2000 ? rev. 3 469 publication order number: mur3020wt/d mur3020wt, MUR3060Wt preferred devices switchmode ? power rectifiers . . . designed for use in switching power supplies, inverters and as free wheeling diodes, these state?of?the?art devices have the following features: ? ultrafast 35 and 60 nanosecond recovery time ? 175 c operating junction temperature ? popular to?247 package ? high voltage capability to 600 volts ? low forward drop ? low leakage specified @ 150 c case temperature ? current derating specified @ both case and ambient temperatures ? epoxy meets ul94, v o @ 1/8 ? 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: u3020, u3060 maximum ratings please see the table on the following page device package shipping ordering information mur3020wt to?247 http://onsemi.com to?247 psi case 340l plastic 30 units/rail 2 1 ultrafast rectifiers 30 amperes 200?600 volts 1 3 2, 4 3 marking diagram u30x0 u30x0 = device code x = 2 or 6 preferred devices are recommended choices for future use and best overall value. MUR3060Wt to?247 30 units/rail
mur3020wt, MUR3060Wt http://onsemi.com 470 maximum ratings (per leg) rating symbol mur3020wt MUR3060Wt unit peak repetitive reverse voltage working peak reverse voltage dc blocking voltage v rrm v rwm v r 200 600 volts average rectified forward current @ 145 c total device i f(av) 15 30 amps peak repetitive surge current (rated v r , square wave, 20 khz, t c = 145 c) i fm 30 amps nonrepetitive peak surge current (surge applied at rated load conditions, halfwave, single phase, 60 hz) i fsm 200 150 amps operating junction and storage temperature t j , t stg ? 65 to +175 c thermal characteristics (per leg) maximum thermal resistance e junction to case e junction to ambient r q jc r q ja 1.5 40 c/w electrical characteristics (per leg) maximum instantaneous forward voltage (note 1.) (i f = 15 amp, t c = 150 c) (i f = 15 amp, t c = 25 c) v f 0.85 1.05 1.4 1.7 volts maximum instantaneous reverse current (note 1.) (rated dc voltage, t j = 150 c) (rated dc voltage, t j = 25 c) i r 500 10 1000 10 m a maximum reverse recovery time (i f = 1.0 a, di/dt = 50 amps/ m s) t rr 35 60 ns 1. pulse test: pulse width = 300 m s, duty cycle 2.0%.
mur3020wt, MUR3060Wt http://onsemi.com 471 mur3020wt 100 0.1 0.2 0.3 0.5 1 2 3 5 10 20 30 50 i f , instantaneous forward current (amps) 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 v f , instantaneous voltage (volts) figure 1. typical forward voltage (per leg) t j = 150 c 100 c 25 c 100 0.01 0.02 0.05 0.1 0.2 0.5 1 2 5 10 20 50 0 20 40 60 80 100 120 140 160 180 200 i r , reverse current ( a) m v r , reverse voltage (volts) figure 2. typical reverse current (per leg)* t j = 150 c 100 c 25 c *the curves shown are typical for the highest voltage device in the voltage grouping. typical reverse cur- rent for lower voltage selections can be estimated from these same curves if v r is sufficiently below rated v r . 16 14 12 10 8 6 4 2 0 140 150 160 170 180 i f(av) , average forward current (amps) t c , case temperature ( c) figure 3. current derating, case (per leg) square wave rated voltage applied dc 14 12 10 8 6 4 2 0 0 20 40 60 80 100 120 140 160 180 200 t a , ambient temperature ( c) figure 4. current derating, ambient (per leg) p f(av) , average power dissipation (watts) 16 14 12 10 8 6 4 2 0 0 i f(av) , average forward current (amps) figure 5. power dissipation (per leg) 246810 12 14 16 r ja = 15 c/w as obtained using a small finned heat sink. dc square wave dc r ja = 40 c/w as obtained in free air with no heat sink. square wave t j = 125 c square wave 20 10 dc (resistive load) i pk i av = p (capacitive load) i pk i av = 5 i f(av) , average forward current (amps)
mur3020wt, MUR3060Wt http://onsemi.com 472 MUR3060Wt 100 0.1 0.2 0.3 0.5 1 2 3 5 10 20 30 50 i f , instantaneous forward current (amps) 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 v f , instantaneous voltage (volts) figure 6. typical forward voltage (per leg) 100 0.02 0.05 0.1 0.2 0.5 1 2 5 10 20 50 150 i r , reverse current ( a) m v r , reverse voltage (volts) figure 7. typical reverse current (per leg)* *the curves shown are typical for the highest voltage device in the voltage grouping. typical reverse cur- rent for lower voltage selections can be estimated from these same curves if v r is sufficiently below rated v r . 16 14 12 10 8 6 4 2 0 140 150 160 170 180 i f(av) , average forward current (amps) t c , case temperature ( c) figure 8. current derating, case (per leg) dc 10 9 0 120 140 160 180 200 t a , ambient temperature ( c) figure 9. current derating, ambient (per leg) p f(av) , average power dissipation (watts) 16 14 12 10 8 6 4 2 0 0 i f(av) , average forward current (amps) figure 10. power dissipation (per leg) 246810 12 14 16 dc i f(av) , average forward current (amps) 100 c 25 c t j = 150 c 200 250 300 350 400 450 500 550 600 650 25 c 100 c t j = 150 c square wave rated voltage applied dc r ja = 60 c/w as obtained in free air with no heat sink. square wave square wave dc r ja = 16 c/w as obtained from a small to?220 heat sink. 20 40 60 80 100 20 10 (capacitive load) i pk i av = 5 square wave t j = 125 c i pk i av = p (resistive-inductive load) 200 8 7 6 5 4 3 2 1 0
mur3020wt, MUR3060Wt http://onsemi.com 473 0.01 0.02 0.05 0.1 0.2 0.5 1 0.01 0.02 0.05 0.1 0.2 0.5 1 2 5 10 20 50 100 200 500 1k t, time (ms) figure 11. thermal response d = 0.5 0.1 0.05 0.01 single pulse p (pk) t 1 t 2 duty cycle, d = t 1 /t 2 z jc(t) = r(t) r jc r jc = 1.5 c/w max d curves apply for power pulse train shown read time at t 1 t j(pk) - t c = p (pk) z q jc(t) r(t), transient thermal resistance (normalized) 1k 10 20 50 100 200 500 1 2 5 10 20 50 100 v r , reverse voltage (volts) figure 12. typical capacitance (per leg) c, capacitance (pf) t j = 25 c
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