features * low power loss, high efficiency * low leakage * low forward voltage drop * high current capability * high speed switching * high surge capability * high reliability 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: 0.4 gram 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%. her151 thru her158 do-15 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 1.5 60 amps her151 her152 her153 her154 HER155 her156 her158 units 50 100 200 300 400 600 800 1000 35 70 140 210 280 420 560 700 50 100 200 300 400 600 800 1000 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 5.0 100 uamps uamps maximum dc reverse current maximum instantaneous forward voltage at 1.5a 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 - 1.5 amperes rectifier specialists r dc components co., l td. 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 operating and storage temperature range t j , tstg -65 to + 150 0 c typical junction capacitance (note 2) c j 30 pf 20 her157 62
r dc components co., l td. ra ting and characteristic cur ves (her151 thru her158) her156~her158 her151~HER155 63
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