features mechanical specification mechanical data maximum ratings & electrical characteristics data sheet no. B50PF-1A 50 amp press fit high voltage diodes tel.: (310) 767-1052 fax: (310) 767-7958 diotec electronics corp gardena, ca 90248 u.s.a 18020 hobart blvd., unit b ratings at 25 c ambient temperature unless otherwise specified. void free vacuum die soldering for maximum mechanical strength and heat dissipation (solder voids: typical < 2%, max. < 5% of die area) press fit into heat sink to further enhance heat handling capability proprietary high temperature junction passivation for superior reliability and performance low thermal stress structure - pass 5 cycle (-55 c to +150 c) thermal shock test o o case: nickel plated copper finish: all external surfaces are corrosion resistant and the contact areas are readily weldable orsolderable maximum soldering temperature: 250 c, 0.25" from case for 10 seconds mounting position: any. maximum force used for diode insertion to be 12 kn polarity: color coded epoxy ring- o anode on lead (beige ring): part no.=b5002pfa/ cathode on lead (black ring) part no.=b5002pfc/ b5004pfa. b5004pfc. part no. marked on cap base. square die 0.180 78 placesequally spaced 0.007 0.005 70 typ. o all dimensions in inches b5004a dt 0452 0.050 0.002 + _ 0.505 /502 over knurl 1.32 1.26 0.401 0.385 0.173 0.157 0.039 0.031 0.194 0.184 non-repetitive peak forward surge current(half wave, single phase, 60 hz sine applied to rated load) average forward rectified current 50 i o i fsm non-repetitive peak reverse voltage (half wave, 60 hz, single phase) parameter (test conditions) maximum recurrent peak reverse voltage maximum dc blocking voltage working peak reverse voltage series number v rsm v rwm v dc v rrm symbol 240600 600 ratings 50 amps 480 400 200 b5004pfa b5004pfc b5002pfa b5002pfc units volts forward voltagedrop @ 50amp dc (typical) v f <1.05 <1.05 volts maximum dc reverse current at rated blocking voltage tc = 25 c) o i r <2.0 <2.0 m a junction operating & storage temperature range t ,t j stg -65 to +215 -65 to +215 c 2.05 b50pf rohs compliant
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