BY448 DIGITRON | Alldatasheet
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144 Market Street
phone +1.908.245-7200 BY448 & BY458 STANDARD RECOVERY RECTIFIERS MAXIMUM RATINGS (TJ = 25°C) Parameters Test Conditions Type Symbol Value Unit BY448 1500 Reverse voltage BY458 VR = VRRM 1200 V Peak forward surge current tp = 10ms, half sine wave IFSM 30 A Average forward current IFAV 2 A Non repetitive reverse avalanche energy I(BR)R = 0.4A ER 10 mJ Junction temperature TJ 140 °C Storage temperature range TSTG -55 to +175 °C Junction ambient I = 10mm, TL = constant RthJA 45 K/W Junction ambient On PC board with spacing 25mm RthJA 100 K/W ELECTRICAL CHARACTERISTICS (TJ = 25°) Parameter Test Conditions Symbol Maximum Unit Forward voltage IF = 3A VF 1.6 V VR = VRRM I R 3 µA Reverse current VR = VRRM, TJ = 140°C IR 140 µA Total reverse recovery time IF = 1A, -diF/dt = 0.05A/µs trr 20 µs Reverse recovery time IF = 0.5A, IR = 1A, IR = 0.25A trr 2 µs MECHANICAL CHARACTERISTICS Case SOD-57 Marking Body painted, alpha-numeric Polarity Cathode band Available Non-RoHS (standard) or RoHS compliant (add PBF suffix). Available as “HR” (high reliability) screened per MIL-PRF-19500, JANTX level. Add “HR” suffix to base part number. sales@digitroncorp.com fax +1.908.245-0555 www.digitroncorp.com Rev. 20121214
phone +1.908.245-7200 BY448 & BY458 STANDARD RECOVERY RECTIFIERS sales@digitroncorp.com fax +1.908.245-0555 www.digitroncorp.com Rev. 20121214