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Product Detailed Parameters
- Description：DIODE STANDARD 400V 3A DO201
- Series：-
- Mfr：Diotec Semiconductor
- Package：Bulk
- Technology：Standard
- Voltage - DC Reverse (Vr) (Max)：400 V
- Current - Average Rectified (Io)：3A
- Voltage - Forward (Vf) (Max) @ If：1.1 V @ 3 A
- Speed：Standard Recovery >500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：1.5 µs
- Current - Reverse Leakage @ Vr：5 µA @ 400 V
- Capacitance @ Vr, F：-
- Mounting Type：Through Hole
- Package / Case：DO-201AA, DO-27, Axial
- Supplier Device Package：DO-201
- Operating Temperature - Junction：-50°C ~ 150°C
- Grade：-
- Qualification：-
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Overview
The BY252 is a silicon rectifier diode manufactured by Diotec Semiconductor, housed in the DO-201 through-hole package. It features a repetitive peak reverse voltage of 400 V and a nominal forward current of 3 A. The device has a maximum surge peak reverse voltage of 400 V and a typical forward voltage of 1.1 V at rated current. Reverse leakage current is specified at 5 µA.
Feature Summary
- Standard recovery rectifier design for general-purpose power applications
- Robust plastic encapsulation in DO-201 axial leaded package
- High surge current capability for transient protection
Applications
- AC-DC power supply rectification
- General purpose DC output rectification
- Polarity protection circuits
Procurement Notes
Verify the specific part number against official Diotec Semiconductor datasheets to confirm electrical ratings and package dimensions. Ensure compatibility with your circuit's thermal management requirements and mounting constraints. Cross-reference with authorized distributors for authenticity and traceability documentation.
Selection Notes
Select this component when a 400 V reverse voltage rating and 3 A continuous forward current are required in a standard axial package. Consider the forward voltage drop and reverse leakage characteristics relative to your efficiency targets. Ensure the operating temperature range aligns with your system's environmental conditions.
Part Context
The BY252 belongs to Diotec Semiconductor's BY series of silicon rectifier diodes. This series offers various voltage ratings from 200 V to 1300 V while maintaining a consistent 3 A forward current capability. The components are designed for reliability in industrial and consumer electronics applications requiring robust rectification.
Replacement Considerations
Compatible substitutes include BY251 (200 V), BY253 (600 V), and BY254 (800 V) from the same manufacturer, provided voltage ratings meet or exceed circuit requirements. Other manufacturers' DO-201 packaged 3 A rectifiers with equivalent voltage ratings may also serve as alternatives.
