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1N4936-E3/73
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Product Detailed Parameters
- Description：DIODE STANDARD 400V 1A DO204AL
- Series：-
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Cut Tape (CT),Tape & Box (TB)
- Technology：Standard
- Voltage - DC Reverse (Vr) (Max)：400 V
- Current - Average Rectified (Io)：1A
- Voltage - Forward (Vf) (Max) @ If：1.2 V @ 1 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：200 ns
- Current - Reverse Leakage @ Vr：5 µA @ 400 V
- Capacitance @ Vr, F：12pF @ 4V, 1MHz
- Mounting Type：Through Hole
- Package / Case：DO-204AL, DO-41, Axial
- Supplier Device Package：DO-204AL (DO-41)
- Operating Temperature - Junction：-50°C ~ 150°C
- Grade：-
- Qualification：-
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Overview
The Vishay 1N4936-E3/73 is a fast switching plastic rectifier featuring a maximum average forward rectified current of 1.0 A and a maximum repetitive peak reverse voltage of 400 V. It exhibits a maximum instantaneous forward voltage of 1.2 V at 1.0 A, a maximum DC reverse current of 5.0 μA at rated blocking voltage, and a maximum reverse recovery time of 200 ns. The device supports a peak forward surge current of 30 A and operates within a junction temperature range of -50 to +150 °C.
Feature Summary
- Fast switching for high efficiency
- Low forward voltage drop
- Low leakage current
- High forward surge capability
Applications
- Fast switching rectification of power supplies
- Inverters and converters
- Freewheeling diodes for consumer electronics
- Telecommunication equipment
Procurement Notes
Verify the specific ordering suffix against official documentation to confirm packaging details. The /73 designation indicates an ammo pack configuration with a base quantity of 3000 units. Ensure compliance requirements match project specifications, as the E3 suffix denotes RoHS compliance. Confirm lead length and terminal plating specifications before finalizing procurement orders.
Selection Notes
Select this component when applications require fast switching characteristics combined with a 400 V reverse voltage rating. The DO-41 package provides through-hole mounting suitable for standard PCB layouts. Consider the 200 ns reverse recovery time for high-frequency conversion circuits. Verify thermal management requirements based on the specified junction-to-ambient thermal resistance values under expected load conditions.
Part Context
This part belongs to the Vishay 1N4933 through 1N4937 series of fast switching plastic rectifiers. The series shares identical electrical parameters except for the maximum repetitive peak reverse voltage ratings, which vary from 50 V to 600 V across the lineup. All variants utilize the same DO-41 (DO-204AL) molded epoxy body package and feature glass-passivated junctions for reliability.
Replacement Considerations
Compatible substitutes include other 1N4936 equivalents from different manufacturers that meet the 1.0 A forward current and 400 V reverse voltage specifications. Verify pinout compatibility and physical dimensions to ensure proper fit in existing DO-41 footprints. Cross-reference datasheets to confirm matching reverse recovery times and forward voltage drops for circuit performance parity.
