50-600V Super Fast Recovery Rectifier Diodes SF11-SF18 from China Suppliers and Factory – High Reliability and Performance

1.Unidirectional Conduction & HighFrequency Rectification

Allows current to flow in the forward direction and blocks reverse voltage, providing efficient rectification in highfrequency switching circuits (dozens of kHz to MHz range), where ordinary diodes are unsuitable due to slow recovery.

Ultra-Fast Reverse Recovery

Features an extremely short reverse recovery time (trr ≤ 75 ns, typical 35 ns), quickly regaining reverse blocking capability when switching from forward conduction to reverse bias. This greatly reduces switching loss, heat generation, and electromagnetic interference (EMI).

High Voltage & Surge Withstand

● Reverse voltage: VRRM = 600 V

● Forward average current: IF = 1 A

● High surge current capability: IFSM = 30 A

Ensures stable operation under highvoltage and transient overload conditions.

Low Power Loss & Low Leakage

● Low forward voltage drop: VF ≈ 1.7 V @ 1 A

● Low reverse leakage current: IR ≈ 5 μA @ 600 V

● Low junction capacitance for highfrequency performance

Improves overall efficiency in switching power supplies and inverters.