features low leakage low forward voltage drop high current capability high forward surge current capability mechanical data case: transfer molded plastic epoxy: ul94v - 0 rate flame retardant. polarity: near marking denotes cathode. lead: plated axial lead, solderable per mil - std - 202e method 208c mounting position: any weight: 0.11 ounce, 3.0gram maximum ratings and electrical characteristics ratings at 25 ambient temperature unless otherwise specified single phase, half wave, 60hz, resistive or inductive load. for capacitive load derate current by 20% ral ral ral ral ral maximum repetitive peak reverse voltage v rrm volts maximum rms voltage v rms
volts maximum dc blocking voltage v dc volts maximum average forward rectified current, 0.375" (9.5mm) lead length at t a = 60 peak forward surge current 8.3ms single half sine - wave superimposed on rated load (jedec method ) maximum instantaneous forward voltage at 25 a v f volts maximum dc reverse current at rated dc blocking voltage typical thermal resistance at 0.5" (12.7) lead length (note 1 ) r /w operating and storage temperature range t j , t stg notes: 1. p.c. mounted automotive rectifier unit i (av) i fsm symbols amps
a amps (-65 to +175) i r ral2505-256 http:// www.wej.cn e-mail:wej@yongerjia.com wej electronic co. r o hs wej electronic co.,ltd
in s t a n t a n e o u s f o r w a r d v o l t a g e ,( v ) 1 % d u ty c y c le p u ls e w id th = 3 0 0 u s t = 2 5c f o r w a r d c h a r a c t e r is t ic s f ig .3 - t y p ic a l i n s t a n t a n e o u s fig.1-typical forward current ambient temperature, ( c) instantaneous forward current, 0.1 0.4 1.0 10 100 1000 (a) j 50 25 0 60 75 100 25 15 5 0 average forward current, (a) 0.375''(9.5mm) lead length inductive load half wave 60hz resistive or single phase derating curve 4 number of cycles at 60 hz 175 150 125 0 2 1 10 6 8 70 30 20 50 100 forward surge current fig.2-maximum non-repetitive peak 300 100 50 peak forward surge current, (a) 1 cycle 500 (jedec method) =t 8.3ms single half sine-wave j j max t 0.6 0.8 1.0 1.2 1.4 1.6 1.8 average power dissipation 30 average forward current, (a) 20 40 (w) 0 square wave 0 10 20 dc 40 50 fig.4. forward power dissipation 60 ral2505-256 http:// www.wej.cn e-mail:wej@yongerjia.com wej electronic co. r o hs wej electronic co.,ltd
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