creat by art ? ul recoganized file # e-326243 ? glass passivated junction ? high case dielectric strength ? typical ir less than 0.1ua ? high surge current capability mechanical data u4kbxx = specific device code g = green compound y = year ww = work week maximum ratings and electrical characteristics rating at 25 ambient temperature unless otherwise specified. single phase, half wave, 60 hz, resistive or inductive load. for capacitive load, derate current by 20% symbol unit v rrm v v rms v v dc v i 2 ta 2 s i r ua t j o c t stg o c v f 1v ? plastic material has underwriters laboratory flammability classification 94v-0 peak forward surge current, 8.3 ms single half sine- wave superimposed on rated load (jedec method) i fsm 135 2 4 a typical thermal resistance (note 2) r ja r jc r jl 14 8.2 9.3 o c/w maximum average forward current 60hz sine wave resistance load without heat sink t a =120 with heat sink t a =138 i f(av) a maximum instantaneous forward voltage (note 1) @2.0a 800 560 800 1000 700 1000 ? weight: 1.41 grams type number ? mounting torque : 0.8 n.m max - 55 to + 150 note 2 : unit case mounted on 2" x 3" x 0.25" al plate heat sink operating temperature range UR4KB60 - ur4kb100 marking diagram d3k 75 single phase 4.0amps. glass passivated bridge rectifiers features ? ideal for printed circuit board ur4kb 60 storage temperature range - 55 to + 150 10 version:f11 ? case: molded plastic body maximum dc reverse current at rated dc block voltage maximum repetitive peak reverse voltage maximum rms voltage maximum dc blocking voltage rating of fusing ( t<8.3ms) ur4kb 80 note 1 : pulse test with pw=300 usec, 1% duty cycle ? high temperature soldering guaranteed: 260 /10 seconds at 5 lbs.,(2.3kg) tension dimensions in inches and (millimeters) ? green compound with suffix "g" on packing code & prefix "g" on datecode ? terminals: pure tin plated, lead free, solderable per mil-std-202, method 208 ur4kb 100 600 420 600 pb rohs compliance rohs compliance
version:f11 ratings and characteristic curves (UR4KB60 thru ur4kb100) fig.1 forward current derating curve 0 1 2 3 4 5 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 case temperature ( o c) average forward a current (a) mount on 2" x 3" x 0.25" a l plate heat sin k without heat sink fig. 2 maximum non-repetitive forward surge current 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 1 10 100 number of cycles at 60 hz peak forward surge a current (a) 8.3ms single half sine wave (jedec method) fig. 3 typical reverse characteristics 0.1 1 10 100 1000 0 20 40 60 80 100 120 140 percent of rated peak reverse voltage (%) instantaneous reverse a current (ma) ta=25 ta=125 fig. 5 forward power dissipation 0 1 2 3 4 5 6 7 0 0.5 1 1.5 2 2.5 3 forward rectified current io (a) power dissipation(w) fig. 4 typical forward characterisrics 0.1 1 10 100 0.4 0.6 0.8 1 1.2 1.4 forward voltage (v) instantaneous forward a current (a) ta=25 ta=125
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