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Product Detailed Parameters
- Description：DIODE STANDARD 200V 3A DO201AD
- Series：-
- Mfr：Taiwan Semiconductor Corporation
- Package：Tape & Reel (TR)
- Technology：Standard
- Voltage - DC Reverse (Vr) (Max)：200 V
- Current - Average Rectified (Io)：3A
- Voltage - Forward (Vf) (Max) @ If：1 V @ 3 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：-
- Current - Reverse Leakage @ Vr：5 µA @ 200 V
- Capacitance @ Vr, F：40pF @ 4V, 1MHz
- Mounting Type：Through Hole
- Package / Case：DO-201AD, Axial
- Supplier Device Package：DO-201AD
- Operating Temperature - Junction：-55°C ~ 150°C
- Grade：-
- Qualification：-
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Overview
The BY251G is a standard recovery rectifier diode manufactured by Taiwan Semiconductor Corporation. It features a repetitive peak reverse voltage of 200 V and an average forward current rating of 3 A. The device utilizes a DO-201AD through-hole package with glass passivation. Key electrical specifications include a maximum forward voltage of 1 V, a reverse recovery time characteristic typical for standard recovery applications, and a high surge current capability. It operates within a temperature range of -55°C to +150°C junction temperature.
Feature Summary
- Glass passivated junction for enhanced environmental stability and reliability
- Standard recovery characteristics suitable for general-purpose rectification
- High forward surge current handling capability
- Compliant with RoHS directives and conflict mineral regulations
Applications
- General purpose rectification in power supplies
- Reverse polarity protection circuits
- Freewheeling diodes in inductive load switching
- DC-AC conversion stages
Procurement Notes
Verify the specific suffix (e.g., A0G) against your bill of materials to ensure correct packaging format such as Ammo Pack. Confirm lifecycle status directly with the manufacturer or authorized distributors, as availability may vary. Ensure the component meets required regulatory standards like RoHS and REACH for your target market compliance needs.
Selection Notes
Select this component when a 200 V blocking voltage and 3 A continuous current are required in a DO-201AD package. Consider the standard recovery speed for non-high-frequency applications. Compare forward voltage drop and reverse leakage current requirements against alternative manufacturers if thermal management is critical. Verify that the glass passivation meets your environmental exposure criteria.
Part Context
The BY251G belongs to the BY25xG series of glass passivated standard recovery rectifiers from Taiwan Semiconductor. This series offers various voltage ratings ranging from 200 V to 800 V while maintaining consistent current handling and package dimensions. The series is designed for robust performance in industrial and consumer electronics applications requiring reliable rectification.
Replacement Considerations
Cross-reference with BY251-T3 or generic DO-201 3A 200V rectifiers. Verify pinout compatibility and thermal resistance values before substitution. Ensure the replacement part meets or exceeds the 1 V forward voltage and 200 V reverse voltage specifications.
