DIGITRON SEMICONDUCTORS BY448 & BY458 STANDARD RECOVERY RECTIFIERS MAXIMUM RATINGS (TJ = 25°C) Parameters Test Conditions Type BY448 Reverse voltage BY458 Peak forward surge current tp = 10ms, half sine wave Average forward current Non repetitive reverse avalanche energy I(BR)R = 0.4A Junction temperature Storage temperature range Symbol Value 1500 VR = VRRM 1200 Unit V IFSM 30 A IFAV 2 A ER 10 mJ TJ 140 °C 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 Forward voltage Reverse current Total reverse recovery time Reverse recovery time Test Conditions Symbol Maximum Unit IF = 3A VF 1.6 V VR = VRRM IR 3 µA VR = VRRM, TJ = 140°C IR 140 µA IF = 1A, -diF/dt = 0.05A/µs trr 20 µs 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. 144 Market Street Kenilworth NJ 07033 USA phone +1.908.245-7200 fax +1.908.245-0555 [email protected] www.digitroncorp.com Rev. 20121214 DIGITRON SEMICONDUCTORS BY448 & BY458 144 Market Street Kenilworth NJ 07033 USA STANDARD RECOVERY RECTIFIERS phone +1.908.245-7200 fax +1.908.245-0555 [email protected] www.digitroncorp.com Rev. 20121214