1N4944GPHE3/73

Description：DIODE STANDARD 400V 1A DO204AL
Series：SUPERECTIFIER®
Mfr：Vishay General Semiconductor - Diodes Division
Package：Tape & Box (TB)

SKU:bb2e4a17dc3c Category: Single Diodes Brand: Vishay General Semiconductor - Diodes Division

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Product introduction

Product Detailed Parameters

Description：DIODE STANDARD 400V 1A DO204AL
Series：SUPERECTIFIER®
Mfr：Vishay General Semiconductor - Diodes Division
Package：Tape & Box (TB)
Technology：Standard
Voltage - DC Reverse (Vr) (Max)：400 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)：150 ns
Current - Reverse Leakage @ Vr：1 µA @ 400 V
Capacitance @ Vr, F：-
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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1N4944GPHE3/73

Overview

The Vishay 1N4944GPHE3/73 is a glass-passivated junction fast switching plastic rectifier designed for high reliability. It features a Superectifier structure and operates with a maximum repetitive peak reverse voltage of 400 V and a maximum average forward rectified current of 1.0 A. The device exhibits a maximum DC blocking voltage of 400 V, a peak forward surge current capability of 25 A, and a maximum reverse recovery time of 250 ns. It utilizes the DO-41 (DO-204AL) axial package.

Feature Summary

Cavity-free glass-passivated junction construction
Superectifier structure for high reliability
Fast switching characteristics for high efficiency
Low leakage current performance

Applications

Fast switching rectification in power supplies
Inverter circuits
Converter applications
Freewheeling diodes for consumer electronics
Telecommunication equipment

Procurement Notes

Verify component authenticity through authorized channels as this part may be subject to obsolescence notices. Confirm RoHS compliance status and packaging type upon order placement. Ensure technical specifications align with specific application requirements before procurement.

Selection Notes

Select this component for applications requiring fast switching speeds and low leakage currents within a standard axial package. Evaluate thermal resistance and derating curves for high ambient temperature environments. Verify that the 400 V reverse voltage rating meets circuit protection needs.

Part Context

This component belongs to the 1N494xGP series of fast switching rectifiers manufactured by Vishay General Semiconductor - Diodes Division. The series includes variants with different reverse voltage ratings ranging from 200 V to 1000 V, all sharing similar structural and electrical characteristics.

Replacement Considerations

Compatible substitutes include other 1N4944 equivalent fast recovery rectifiers from manufacturers such as ON Semiconductor or Microchip, provided they meet the 400 V reverse voltage and 1.0 A forward current specifications in a DO-41 package.