features * low power loss, high efficiency * low leakage * low forward voltage drop * high current capability * high speed switching * high reliability * high current surge mechanical data * case: molded plastic * epoxy: ul 94v-0 rate flame retardant * lead: mil-std-202e, method 208 guaranteed * polarity: color band denotes cathode end * mounting position: any * weight: 1.20 grams 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%. her301 thru her308 do-27 dimensions in inches and (millimeters) maximum recurrent peak reverse voltage maximum rms voltage maximum dc blocking voltage maximum average forward rectified current at t a = 50 o c peak forward surge current 8.3 ms single half sine-wave superimposed on rated load (jedec method) symbol v rrm v dc i o i fsm v rms amps 3.0 150 amps her301 her302 HER303 her304 her305 her306 her307 her308 units 200 50 35 50 100 70 100 140 200 300 210 300 400 280 400 600 420 600 1000 700 1000 800 560 800 volts volts volts 50 maximum reverse recovery time (note 1) trr 75 nsec at rated dc blocking voltage t a = 25 o c maximum full load reverse current average, full cycle .375*(9.5mm) lead length at t l = 55 o c v f i r 10 150 uamps uamps maximum dc reverse current maximum instantaneous forward voltage at 3.0a dc volts 1.0 1.7 1.3 technical specifica tions of high efficiency rectifier vol t age range - 50 to 1000 v olts current - 3.0 amperes rectifier specialists r dc components co., l td. operating and storage temperature range t j , tstg -65 to + 150 0 c typical junction capacitance (note 2) c j 70 pf 50 notes : 1. t est conditions: i f = 0.5a, i r = 1.0a, i rr = 0.25a 2. measured at 1 mh z and applied reverse voltage of 4.0 volts 66
r dc components co., l td. rating and characteristic curves (her301 thru her308) 67
|
