dimensions in inches and (millimeters) to-220ac .412(10.5) max .185(4.70) .175(4.44) .055(1.40) .045(1.14) .27(6.86) .23(5.84) .11(2.79) .10(2.54) .025(0.64) .014(0.35) .154(3.91) .148(3.74) dia pin1 2 .113(2.87) .103(2.62) .16(4.06) .14(3.56) .037(0.94) .027(0.68) .205(5.20) .195(4.95) .594(15.1) .587(14.9) .56(14.22) .53(13.46) pin 1 pin 2 case features high efficiency, low vf high current capability high reliability high surge current capability for use in low voltage, high frequency inventor, free wheeling, and polarity protection application. mechanical data cases: to-220ac molded plastic epoxy: ul 94v-0 rate flame retardant polarity: as marked high temperature soldering guaranteed: 260 o c/10 seconds/.25 ?,(6.35mm) from case. weight: 2.24 grams maximum ratings and electrical characteristics rating at 25 o c ambient temperature unless otherwise specified. single phase, half wave, 60 hz, resistive or inductive load. for capacitive load, derate current by 20% type number symbol MUR820 mur840 mur860 units maximum recurrent peak reverse voltage v rrm 200 400 600 v maximum rms voltage v rms 140 280 420 v maximum dc blocking voltage v dc 200 400 600 v maximum average forward rectified current .375?(9.5mm) lead length (see fig. 1) i (av) 8.0 a peak forward surge current, 8.3 ms single half sine-wave superimposed on rated load (jedec method ) i fsm 100 a maximum instantaneous forward voltage @ 8.0a v f 0.975 1.30 1.7 v maximum dc reverse current @ t c =25 o c at rated dc blocking voltage @ t c =125 o c (note 4) i r 5.0 250 ua ua maximum reverse recovery time ( note 2 ) trr 25 50 ns maximum forward recovery time tfr (if=1.0a, di/dt = 50a/us), tfr 35 50 ns typical thermal resistance (note 3) r jc 3.0 2.0 o c/w operating temperature range t j -65 to +175 o c storage temperature range t stg -65 to +175 o c notes: 1. measured at 1 mhz and applied reverse voltage of 4.0 volts d.c. 2. reverse recovery test conditions: i f =0.5a, i r =1.0a, i rr =0.25a 3. thermal resistance from junction to case, mounted on heatsink size of 2? x 3? x 0.25? al-plate. 4. pulse lest: tp = 300 us, duty cycle < 2%. MUR820-mur860 8.0amp. glass passivated super fast rectifiers http://www.luguang.cn mail:lge@luguang.cn
ratings and characteristic curves (MUR820 thru mur860) fig.1- maximum forward current derating curve rofegareva deifitcerdraw tnerruc )a(. ambient temperature. ( c) o 140 150 160 170 180 12 8 4 0 fig.2- maximum non-repetitive forward surge current peak forward surge current. (a) number of cycles at 60hz 1 10 125 100 75 50 25 0 100 i reverse current (a) r v reverse voltage. (%) r fig.4- typicsl reverse characteristics 100 0.01 1.0 10 100 1000 200 300 400 500 600 0.1 tj=150 c 0 tj=100 c 0 tj=25 c 0 fig.5- typical junction capacitance perleg junction capacitance. (pf) reverse voltage. (v) 1 10 100 10 100 0.1 1000 tj=25 c f=1.0mhz vsig=50m vp-p 0 instantaneous forward current. (a) fig.3- typical instantaneous forward characteristics instantaneous forward voltage. (v) 0 0.4 0.8 1.2 2.0 0.01 10 100 1.6 0.1 1 MUR820 mur840 mur860 fig.6- reverse recovery time characteristic and test circuit diagram 50 noninductive non inductive oscilloscope (note 1) pulse generator (note 2) dut (+) 50vdc (approx) (-) notes: 1. rise time=7ns max. input impedance= 1 megohm 22pf 2. rise time=10ns max. sourse impedance= 50 ohms (-) (+) 10 noninductive -1.0a -0.25a 0 +0.5a trr 1cm set time base for 5/ 10ns/ cm MUR820-mur860 8.0amp. glass passivated super fast rectifiers http://www.luguang.cn mail:lge@luguang.cn
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