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Product Detailed Parameters
- Description：DIODE STANDARD 800V 3A DO201
- Series：-
- Mfr：Diotec Semiconductor
- Package：Bulk
- Technology：Standard
- Voltage - DC Reverse (Vr) (Max)：800 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 @ 800 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 BY254 is a general-purpose rectifier diode manufactured by Diotec Semiconductor. It features a standard recovery structure housed in the DO-201 through-hole package. The device is rated for a maximum repetitive peak reverse voltage of 800 V and an average forward rectified current of 3 A. Key electrical characteristics include a maximum non-repetitive peak forward surge current of 100 A, a maximum forward voltage drop of 1.1 V, and a low reverse leakage current of 5 µA.
Feature Summary
- Glass-passivated junction construction for high reliability
- Low forward voltage drop to minimize conduction losses
- High forward surge current capability
- Low reverse leakage current
Applications
- General purpose rectification
- Power supply circuits
- Industrial control systems
Procurement Notes
Verify the specific manufacturer datasheet for the BY254 to confirm exact parameter tolerances and thermal characteristics. Ensure the selected component matches the required DO-201 package style and lead configuration for your PCB layout. Cross-reference official documentation to validate compliance with relevant environmental standards such as RoHS before finalizing procurement.
Selection Notes
Select the BY254 when an 800 V blocking voltage and 3 A continuous current rating are required in a through-hole format. Consider this component for applications needing robust surge handling up to 100 A. Evaluate thermal management requirements based on the specified forward voltage and ambient operating conditions to ensure reliable long-term performance in power conversion stages.
Part Context
The BY254 belongs to the BY series of glass-passivated silicon rectifiers from Diotec Semiconductor. This series utilizes a superectifier structure designed for high reliability in demanding environments. The components are typically encapsulated in plastic packages with isolated cases, suitable for various industrial and consumer electronics applications requiring efficient AC-to-DC conversion.
Replacement Considerations
Equivalent parts may include Vishay BY254GP-E3/68 or other generic 800V 3A DO-201 rectifiers. Verify pinout compatibility and thermal resistance values before substitution. Ensure replacement devices meet the same voltage and current ratings to maintain circuit integrity.
