features utilizing viod-free molded plastic technique low power loss high surge capability high temperature soldering guaranteed: 265 /10s mechanical data terminal:plated axial terminals solderable per mil std-202e,method 208c case: molded with ul-94 class v-o recognized flame retardant epoxy polarity: color ring denotes cathode maximum ratings and electrical characteristics rating at 25 ambient temperature unless otherwise specified. single phase, half wave ,60hz, resistive or inductive load. for capacitive load, derate current by 20% ars25aars25bars25dars25g ars25j ars25kars25m ar25a ar25b ar25d ar25g ar25j ar25k ar25m 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 current @t a =55 peak forward surge current 8.3ms single half sine-wave super imposed on rated load maximum instantaneous forward voltage (at rated forward current) maximum dc reverse current @t a =25 at rated dc bolcking voltage @t a =150 typical junction capacitance element (note1) c j pf typical thermal resistance (note2) r ja /w operating temperature range t j storage temperature range t stg polarity and voltage denotation color ring red yellow silver orange green blue violet i (av) 25 a v ua i fsm 400 a -55 to +150 ars25a-ars25m,ar25a-ar25m characteristics unit symbol dimensions in inches and (millimeters) high current automobile rectifier reverse voltage - 50 to 1000 volts forward current - 25 amperes 1.1 v f i r 10 1000 300 1.0 2.thermal resistance from junction of ambient. notes:1.measured at 1.0 mhz and applied reverse voltage of 4.0v dc. -55 to +150 ars ar .250(6.4) .235(6.0) .225(5.7) .215(5.5) .347(8.9) .327(8.3) . 185(4.7) . 165(4.2) .410(10.4) .380(9.7) .225(5.7) .215(5.5)
rating and characteristic curves ars25,ar25 series a v e r a g e f o r w a r d c u r r e n t , a m p e r e s fig. 1 C forward current derating curve terminal temperature ( ) 20 10 0 0 30 40 50 25 50 75 100 125 175 150 single phase half wave resistive or inductive load. capacitive load i pk /i av =5,10 & 20 5 number of cycles @ 60h z p e a k f o r w a r d s u r g e c u r r e n t , a m p e r e s fig.2-maximum non-repetitive peak forward surge current 80 60 200 600 100 400 5 1 2 10 20 50 100 pulse width 8.3ms single half-sine-wave (jedec method) i n s t a n t a n e o u s f o r w a r d c u r r e n t , a m p e r e s fig.3-typical instantaneous forward characteristics instantaneous forward voltage,(v) 0.6 1.01.2 2.0 2.6 1.8 2.2 2.4 1.41.6 0.8 600 20 10 5 2 1 0.5 0.2 200 100 50 700 t j = 25 pulsewidth=300us 3% duty cycle i n s t a n t a n e o u s r e v e r s e c u r r e n t , ( u a ) fig.4-typical reverse characteristics percent of rated peak reverse voltage,(%) 1 0.1 10 0 20 40 80 140 60 100 120 100 40 20 4 2 0.4 0.2 t j =100 t j =25 reverse voltage,(volts) fig.5-typical junction capacitance c a p a c i t a n c e , ( p f ) 80 60 200 100 500 5 1 2 10 20 50 100 t j =25 10 20
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