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1N4947GP-E3/73
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Product Detailed Parameters
- Description：DIODE STANDARD 800V 1A DO204AL
- Series：SUPERECTIFIER®
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Cut Tape (CT)
- Technology：Standard
- Voltage - DC Reverse (Vr) (Max)：800 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：1 µA @ 800 V
- Capacitance @ Vr, F：15pF @ 4V, 1MHz
- Mounting Type：Through Hole
- Package / Case：DO-204AL, DO-41, Axial
- Supplier Device Package：DO-204AL (DO-41)
- Operating Temperature - Junction：-65°C ~ 175°C
- Grade：-
- Qualification：-
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Overview
The 1N4947GP-E3/73 is a glass passivated junction fast switching plastic rectifier manufactured by Vishay General Semiconductor. It features a Superectifier structure for high reliability and cavity-free construction. The device provides a maximum repetitive peak reverse voltage of 800 V and supports a maximum average forward rectified current of 1.0 A at 55 °C. Key electrical parameters include a maximum instantaneous forward voltage of 1.3 V, a maximum DC reverse current of 1.0 μA, and a typical reverse recovery time of 250 ns. It operates within a temperature range of -65 to +175 °C.
Feature Summary
- Features a Superectifier structure with cavity-free glass-passivated junctions for enhanced reliability.
- Designed for fast switching applications to ensure high efficiency in power circuits.
- Capable of handling high forward surge currents up to 25 A.
Applications
- Fast switching rectification in power supplies
- Inverter and converter circuits
- Freewheeling diodes for consumer electronics
- Telecommunication equipment
Procurement Notes
Verify the specific part number against official Vishay documentation to confirm the 800 V rating associated with the 1N4947 variant. Ensure compliance with RoHS standards and check for the E3 suffix indicating lead finish and whisker test compliance. Confirm package type DO-41 (DO-204AL) matches design requirements before procurement.
Selection Notes
Select this component for applications requiring high reverse voltage blocking capability combined with fast recovery characteristics. The 800 V rating distinguishes it from lower voltage variants in the series. Consider the thermal resistance and derating curves for high ambient temperature environments to maintain the rated 1.0 A forward current.
Part Context
This component belongs to the 1N494xGP series of glass passivated fast switching rectifiers. It shares the same physical package and general structural features as other members like the 1N4946GP and 1N4948GP, differing primarily in its specific reverse voltage rating of 800 V.
Replacement Considerations
Direct substitutes within the same Vishay series include the 1N4946GP (600 V) or 1N4948GP (1000 V), provided the voltage margin allows. Cross-manufacturer replacements must match the 800 V reverse voltage, 1.0 A forward current, and 250 ns reverse recovery time specifications.
FAQ
What is the maximum repetitive peak reverse voltage for the 1N4947GP?
The maximum repetitive peak reverse voltage (VRRM) for the 1N4947GP is 800 V.
What is the typical reverse recovery time for this device?
The typical reverse recovery time (trr) for the 1N4947GP is 250 ns under specified test conditions.
