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1N4946-AP
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Product Detailed Parameters
- Description：DIODE STANDARD 600V 1A DO41
- Series：-
- Mfr：MCC (Micro Commercial Components)
- Package：Tape & Box (TB)
- Technology：Standard
- Voltage - DC Reverse (Vr) (Max)：600 V
- Current - Average Rectified (Io)：1A
- Voltage - Forward (Vf) (Max) @ If：1.3 V @ 1 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：250 ns
- Current - Reverse Leakage @ Vr：5 µA @ 600 V
- Capacitance @ Vr, F：15pF @ 4V, 1MHz
- Mounting Type：Through Hole
- Package / Case：DO-204AL, DO-41, Axial
- Supplier Device Package：DO-41
- Operating Temperature - Junction：-55°C ~ 150°C
- Grade：-
- Qualification：-
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Overview
The MCC 1N4946-AP is a 1 Amp fast recovery rectifier diode designed for high-frequency applications. It features a maximum repetitive peak reverse voltage of 600V and an average forward rectified current of 1.0A at 55°C ambient temperature. The device exhibits a maximum instantaneous forward voltage of 1.3V at 1.0A and a maximum DC reverse current of 5.0μA at rated voltage. Reverse recovery time is specified at 250ns. It operates within a junction temperature range of -55°C to +150°C and utilizes the DO-41 axial lead package.
Feature Summary
- Fast switching capability with low leakage current
- High temperature metallurgically bonded construction
- Glass passivated junction for reliability
Applications
- High frequency rectifier circuits
- Inverter freewheeling diodes
- Free wheeling diodes in power supplies
Procurement Notes
Verify the specific suffix '-AP' indicates Ammo Box packaging containing 5,000 pieces per box. Confirm RoHS compliance status as the datasheet notes exemptions may apply. Ensure the ordering part number matches the required voltage rating of 600V for the 1N4946 series. Check for authorized distributor status to guarantee genuine components.
Selection Notes
Select this component for circuits requiring 600V blocking voltage and 1A continuous current handling. Consider the 250ns reverse recovery time for high-speed switching requirements. Evaluate thermal derating curves if operating temperatures exceed 55°C. Compare against similar 1N494x series parts if different voltage ratings are needed.
Part Context
This part belongs to the 1N4942 through 1N4948 series of fast recovery rectifiers manufactured by Micro Commercial Components. The series covers reverse voltages from 200V to 1000V while maintaining a consistent 1.0A forward current rating. The 1N4946 specifically targets the 600V application segment within this lineup.
Replacement Considerations
Equivalent parts include Vishay 1N4946GPE/93 or generic 1N4946 devices meeting the same electrical specifications. Verify pinout compatibility and package dimensions (DO-41) before substitution. Ensure reverse recovery time and forward voltage characteristics meet circuit requirements.
