BU4-005 thru bu4-10 page: 1 frontier electronics corp. 667 e. cochran street, simi valley, ca 93065 tel: (805) 522-9998 fax: (805) 522-9989 e-mail: frontiersales@frontierusa.com web: http://www.frontierusa.com 4a silicon single-phase bridge rectifiers BU4-005 thru bu4-10 features z plastic material has underwriters laboratory flammability classification 94v-0 z ideal for printed circuit board z high temperature soldering guaranteed: 260c /10s 0.375?(9.5mm) lead length at 5 lbs (2.3kg) tension mechanical data z case: molded plastic dimensions in inches and (millimeters) z terminals: leads solderable per mil-std-202, method 208 z mounting torque: 5 in-lb max z mounting position: any z weight: 8.0 grams maximum ratings and electrical characteristics ratings at 25 c ambient temperature unless otherwise specified single phase, half wave, 60 hz, resistive or inductive load. for capacitive load, derate current by 20% ratings symbol BU4-005 bu4-01 bu4- 02 bu4-04 bu4-06 bu4-08 bu4-10 units maximum recurrent peak reverse voltage v rrm 50 100 200 400 600 800 1000 v maximum rms voltage v rms 35 70 140 280 420 560 700 v maximum dc blocking voltage v dc 50 100 200 400 600 800 1000 v maximum average forward rectified output current (see fig.1) i o 4.0 a peak forward surge current single sine-wave superimposed on rated load i fsm 200 a storage temperature range t stg - 55 to + 150 oc operating temperature range t op - 55 to + 150 oc electrical characteristics (a t t a =25 c unless otherwise noted) characteristics symbol BU4-005 bu4-01 bu4-02 bu4-04 bu4-06 bu4-08 bu4-10 units maximum instantaneous forward voltage drop per element at i fm v f 1.0 v maximum reverse leakage at rate dc blocking voltage per element ta=25oc , tc=100oc i r 10 a 0.700(17.8) 0.600(16.8) 0.780(19.8) 0.740(18.8) .935(23.7) .895(22.7) 1.00 (25.4) min 0.283(7.2) 0.256(6.5) 0.220(5.6) 0.180(4.6) 0.087(2.2) 0.071(1.8) - ac + 0.15 ? x 0.23l (3.8 ? x 5.7l) hole thru 0.300 (7.5) 0.052(1.3)dia. 0.048(1.2)typ.
BU4-005 thru bu4-10 page: 2 fig. 2 - maximum non-repetitive peak forward surge current 300 250 200 150 100 50 peak forward surge current, amperes 1 2 5 10 20 50 100 number of cycles at 60h z single sine-wave jedec method t j =150oc ratings and characteristic curves BU4-005 thru bu4-10 fi. 5 - typical instantaneous forward characteristics per element 100 40 20 10 4.0 1.0 0.4 0.2 0.1 instantaneous forward current, amperes 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 instantaneous forward voltage, volts t j =25oc pulse width.300us 1% duty cycle fig. 3 - typical junction capacitance per element 400 100 50 10 capacitance, pf 1 5 10 50 100 reverse voltage, volts f=1mhz t a =25oc fig. 4 - typical junction capacitance per element 10 1.0 .1 .01 instantaneous reverse current, microamperes 0 20 40 60 80 100 120 140 percent of peak reverse voltage t a =25oc t c =100oc fig. 1 - derating curve output rectified current 4.0 3.0 2.0 1.0 0 average forward current, amperes 0 50 100 150 temperature oc heat sink mounting tc 2.0x1.6x0.03" (5.0x4.0x0.08cm) al plate t a p.c.b. mounting 0.47x0.47"(12x12mm) copper pads 60hz resistive or inductive load
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