mmb mmb mmb mmb mmb mmb mmb 2505w 251w 252w 254w 256w 258w 2510w 50 100 200 400 600 800 1000 35 70 140 280 420 560 700 50 100 200 400 600 800 1000 * diffused junction technical specification s of single-phase silicon bridge rectifier voltage range - 50 to 1000 volts current - 25 amperes maximum ratings and electrical characteristics ratings 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%. mmb2505w thru MMB2510W mmb-25w rectifier specialists r dc components co., ltd. features * surge overload ratings - 400 amperes * case: metal case, electrically isolated mechanical data * epoxy: ul 94v-0 rate flame retardant * lead: mil-std-202e, method 208 guaranteed * polarity: as marked * mounting position: any * weight: 25 grams approx. dimensions in inches and (millimeters) maximum recurrent peak reverse voltage maximum rms bridge input voltage maximum dc blocking voltage peak forward surge current 8.3 ms single half sine-wave superimposed on rated load (jedec method) symbol v rrm v dc i o i fsm v rms volts volts amps 25 400 units maximum average forward rectified output current at tc = 55 o c volts amps dc blocking voltage per element v f i r 1.1 500 mamps maximum dc reverse current at rated maximum forward voltage drop per element at 12.5a dc volts 10 operating and storage temperature range t j, t stg -55 to +150 0 c notes : 1. measured at 1 mh z and applied reverse voltage of 4.0 volts 2.thermal resistance from junction to case per leg. i2t rating for fusing (t<8.3ms) i2t 374 a2sec typical junction capacitance (note1) cj 300 pf typical thermal resistance (note 2) rqjc 2.5 0c/w @t a = 25 o c @t a = 100 o c * metal case for maximum heat dissipation * low forward voltage drop * high reliability * high current capability .042(1.1).038(1.0) .591 (15.0) .732(18.6).692(17.6) .468(11.9) .429(10.9) 1.142(29.0)1.102(28.0) typ. ac ac 1.142(29.0)1.102(28.0) .732(18.6).692(17.6) hole for no. 8 screw .310(7.9).290(7.4) .500 (12.7) max.
r dc components co., ltd. rating and characteristic curves (mmb2505w thru MMB2510W) single phase half wave 60hz inductive or resistive load case temperature, ( oc) 0 50 100 150 fig. 2 - typical forward current derating curve 25 20 15 10 5 average forward output current, (a) fig. 1 - maximum non-repetitive forward surge current peak forward surge current, (a) number of cycles at 60hz 1 2 5 10 20 50 100 0 500 200 400 100 8.3ms single half sine-wave (jedec mathod) 300 instantaneous forward voltage, (v) .6 .7 .8 .9 1.0 1.3 pulse width=300ms1% duty cycle fig. 3 - typical instantaneous forward characteristics 100 10 1 .1 1.2 1.1 instantaneous forward current, (a) tj=25oc percent of rated peak reverse voltage, (%) 0 20 40 60 80 100 120 140 fig. 4 - typical reverse characteristics 10 1.0 .1 .01 instantaneous reverse current, ( ma) tj=25oc
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