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Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

UF4004 BK specifications
ParameterValue
Diode typeStandard
MountingThrough Hole
Voltage - DC reverse (Vr)400 V
Voltage - forward (Vf) (Max) @ if1 V @ 1 A
Current - reverse leakage @ vr10 µA @ 400 V
Current - average rectified1A
Operating temperature - junction-65°C~150°C
SpeedFast Recovery =< 500ns, > 200mA (Io)
PackageBulk
CaseDO-204AL, DO-41, Axial
Capacitance @ vr,20pF @ 4V, 1MHz
Reverse recovery time50 ns