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1N4944GP-E3/54
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Product Detailed Parameters
- Description：DIODE STANDARD 400V 1A DO204AL
- Series：SUPERECTIFIER®
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Reel (TR),Cut Tape (CT)
- 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：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 Vishay 1N4944GP-E3/54 is a glass-passivated junction fast switching plastic rectifier. It features a Superectifier structure for high reliability and operates with a maximum average forward rectified current of 1.0 A and a peak reverse voltage of 400 V. The device exhibits a maximum instantaneous forward voltage of 1.3 V at 1.0 A, a maximum DC reverse current of 1.0 μA at rated blocking voltage, and a typical reverse recovery time of 150 ns. It supports a peak forward surge current of 25 A and functions within an operating junction temperature range of -65 to +175 °C.
Feature Summary
- Glass-passivated junction cavity-free construction
- Superectifier structure for high reliability
- Fast switching capability for high efficiency
- Low leakage current characteristics
Applications
- Fast switching rectification in power supplies
- Inverter circuits
- Converter applications
- Freewheeling diodes for consumer electronics
- Telecommunication equipment
Procurement Notes
Verify the specific part number suffix against official documentation to confirm packaging configuration and delivery mode. Confirm RoHS compliance status and material categorization details directly from the manufacturer datasheet before procurement. Ensure lead length requirements match application constraints for thermal resistance calculations.
Selection Notes
Select this component based on its 400 V repetitive peak reverse voltage rating and 150 ns reverse recovery time. Evaluate the 1.0 A average forward current capacity against circuit load requirements. Consider the DO-41 package dimensions and through-hole mounting style for PCB layout compatibility.
Part Context
This component belongs to the Vishay 1N494xGP series of fast switching rectifiers. The series includes variants with different voltage ratings ranging from 200 V to 1000 V. All members share similar electrical characteristics including 1.0 A current handling and Superectifier technology.
Replacement Considerations
Consult official Vishay documentation for verified substitute part numbers. Cross-reference voltage ratings and recovery times when evaluating alternatives.
