elektronische bauelemente SEF301B ~ sef306b voltage 50 v ~ 800 v 3.0 amp high efficiency recovery rectifiers 23-may-2011 rev. c page 1 of 2 http://www.secosgmbh.com/ any changes of specification will not be informed individually. rohs compliant product a suffix of ?-c? specifies halogen & lead-free features ? ideal for surface mount applications ? easy pick and place ? built-in strain relief ? fast switching speed mechanical data ? case: molded plastic ? epoxy ul 94v-0 rate flame retardant ? metallurgically bonded construction ? polarity color band denotes cathode end ? mounting position any ? weight: 1.10 grams package information package mpq leader size smb 3k 13? inch maximum ratings and electrical characteristics (rating 25 c ambient temperature unless otherwise specified. singl e phase half wave, 60hz, resistive or inductive load. for capacitive load, de-rate current by 20%.) part number parameter symbol sef 301b sef 302b sef 303b sef 304b sef 305b sef 306b unit maximum repetitive p eak reverse voltage v rrm 50 100 200 400 600 800 v maximum rms voltage v rms 35 70 140 280 420 560 v maximum dc blocking voltage v dc 50 100 200 400 600 800 v maximum average forward rectified current. 375?(9.5mm) lead length @t a =55c i f 3 a peak forward surge current, 8.3ms single half sine-wave superimposed on rated load i fsm 80 a maximum instantaneous forward voltage @ 3.0a v f 1 1.3 1.5 1.7 v t a =25c 5.0 maximum dc reverse current at rated dc blocking voltage t a =100c i r 100 a maximum reverse recovery time 1 t rr 50 75 ns typical junction capacitance 2 c j 15 pf operating & storage temperature t j ,t stg -65~ 175 c notes: 1. reverse recovery time test condition i f =0.5a, i r =1.0a, i rr =0.25a 2. measured at 1mhz and applied reverse voltage of 4.0v d.c. smb millimete r millimete r ref. min. max. ref. min. max. a 1.91 2.11 e - 0.203 b 4.06 4.70 f 5.08 5.59 c 3.30 3.94 g 0.76 1.27 d 2.13 2.44 h 0.15 0.31 a b e g d f c h
elektronische bauelemente SEF301B ~ sef306b voltage 50 v ~ 800 v 3.0 amp high efficiency recovery rectifiers 23-may-2011 rev. c page 2 of 2 http://www.secosgmbh.com/ any changes of specification will not be informed individually. ratings and characteristic curves
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