single-phase glass passivated voltage range 50 to 1000 volts current 1.5 ampere features * good for automation insertion * surge overload rating - 50 amperes peak * ideal for printed circuit board * reliable low cost construction utilizing molded * glass passivated device * polarity symbols molded on body * mounting position: any * weight: 1.0 gram * ul listed the recognized component directory, file #e 195711 * epoxy: device has ul flammability classification 94v-o 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%. DB151 thru db157 maximum ra tings (at t a = 25 o c unless otherwise noted) electrical characteristics (at t a = 25 o c unless otherwise noted) silicon bridge rectifier dimensions in inches and (millimeters) db-1 ratings 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) operating and storage temperature range symbol v rrm v dc i o i fsm t j, t stg v rms volts volts amps 1.5 50 -65 to + 150 0 c units maximum average forward output current at t a = 40 o c 50 200 400 100 600 800 1000 35 140 28070 420 560 700 volts amps DB151 db153 db154db152 db155 db156 db157 50 200 400 100 600 800 1000 dc blocking voltage per element characteristics v f symbol i r units 1.1 0.5 mamps uamps element at 1.5a dc maximum forward voltage drop per bridge volts @t a = 25 o c @t a = 125 o c 10 maximum forward voltage drop per bridge DB151 db153 db154db152 db155 db156 db157 mechanical data rohs product for packing code suffix "g" halogen free product for packing code suffix "h" * .350(8.90) .300(7.60) ~ ~ .255(6.50) .245(6.20) .020 (0.50) min. .205(5.20) .060 (1.50) .135(3.40) .102(2.60) .165(4.80) .155(3.90) .195(5.00) .346(8.8) .307(7.8) 2012.10 willas electronic corp.
rating and characteristic curves ( DB151 thru db157 ) fig. 4 - typical reverse instantaneous reverse current, (ua) percent of rated peak reverse voltage, (%) t j = 25 0 20 40 60 80 100 120 140 10 1.0 0.1 .01 characteristics fig. 1 - maximum non-repetitive forward peak forward surge current, (a) number of cycles at 60hz 8.3ms single half sine-wave (jeded method) surge current 60 50 40 30 20 10 0 0 2 4 6 10 20 40 60 100 fig. 2 - typical forward current average forward current, (a) ambient temperature, ( ) single phase half wave 60hz inductive or resistive load derating curve 1.5 1.0 .5 0 20 40 60 80 100 120 140 150 fig. 3 - typical instantaneous forward characteristics instantaneous forward current, (a) instantaneous forward pulse width = 300us 1% duty cycle voltage, (v) 10 1.0 0.1 .01 .4 .6 .8 1.0 1.2 1.4 tj = 25 2012.10 willas electronic corp.
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