UR3KB series symbol UR3KB 20 UR3KB 40 UR3KB 60 UR3KB 80 UR3KB 100 units v rrm 200 400 600 800 1000 v v rms 140 280 420 560 700 v v dc 200 400 600 800 1000 v i (av) a i fsm a i 2 ta 2 s v f v i r ua vdis kv r ja r jc rjl o c/w t j o c t stg o c 260 / 10 seconds at 5 lbs., ( 2.3 kg ) tension maximum ratings and electrical characteristics single phase 3.0 amps. glass passivated brid g e rectifiers ? glass passivated junction ? high case dielectric strength ? plastic material has underwriters laboratory flammability classification 94v-0 d3k features ? ideal for printed circuit board ? ul recoganized note 1 : unit case mounted on 2" x 3" x 0.25" al plate heat sink. 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% peak forward surge current, 8.3 ms single half sine-wave superi mposed on rated load (jedec method ) rating of fusing ( t < 8.3ms ) maximum instantaneous forward voltage @ 1.5a maximum dc reverse current at rated dc blocking voltage dielectric strength (terminal to case, ac 1minute) typical thermal resistance (note 1) ? typical ir less than 0.1ua dimension in inches and (millimeter) ? green compound with suffix ?g? on packing code & prefix ?g? on datecode. ? mounting torque : 0.8 n.m max. ? terminal : p ure tin plated , lead free. leads solderable per mil-std-202 method 208 ? case : molded plastic body ? weight : 1.41 grams (0.053 ounce) ? high surge current capability mechanical data ? high temperature soldering guaranteed: operating temperature range storage temperature range maximum average forward current without heat sink ta=29 o c 60 hz sine wave resistance load with heat sink tc=1 40 o c type number maximum recurrent peak reverse voltage maximum rms voltage maximum dc blocking voltage 1.2 3.0 13.7 5.2 5.5 -55 to +150 -55 to +150 90 35 1.00 10 2.0 pb rohs compliance rohs compliance 1 of 2 version : b09
rating and sharacteristic curves ( UR3KBx0 ) fig 1 maximum derating curve for output current heatsink mount 2.0"x3.0"x0.25" al- plate without heat sink 0 0.5 1 1.5 2 2.5 3 3.5 0 20 40 60 80 100 120 140 160 ambient temperature ( o c) average forward current (a) fig 3 typical reverse characteristics per leg ta=25 o c ta=125 o c 0.1 1 10 100 1000 0 20 40 60 80 100 120 140 percent of rated peak reverse volatge (v) instantaneous reverse current (ua) fig 2 maximum forward surge current per leg 8.3ms single half sin-wave (jedec method) 0 10 20 30 40 50 60 70 80 90 100 1 10 100 number of cycles at 60 hz peak forward surge current (a) fig 4 typical forward characteristics per leg. ta=150 o c ta=25 o c 0.1 1 10 100 0.4 0.6 0.8 1 1.2 1.4 instantaneous forward voltage (v) instantaneous forward current (a) fig 5 forward power dissipation 0 1 2 3 4 5 6 7 0123 forward rectified current io (a) power dissipation (w) 2 of 2 version : b09
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