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Product Detailed Parameters
- Description：DIODE STANDARD 1300V 3A DO201
- Series：-
- Mfr：Diotec Semiconductor
- Package：Bulk
- Technology：Standard
- Voltage - DC Reverse (Vr) (Max)：1300 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 @ 1300 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：Automotive
- Qualification：AEC-Q101
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Overview
The BY255-AQ is an automotive-grade standard recovery rectifier diode manufactured by Diotec Semiconductor. It features a maximum average forward current of 3 A and a peak repetitive reverse voltage of 1300 V. The device exhibits a low forward voltage drop of less than 1.1 V at 3 A and 25°C, with a typical junction capacitance of 20 pF. It supports a junction temperature range from -50°C to +150°C and operates within a storage temperature range of -50°C to +175°C.
Feature Summary
- Automotive qualification compliant with AEC-Q101 standards for enhanced reliability in vehicle environments
- High voltage blocking capability rated at 1300 V repetitive reverse voltage
- Low leakage current characteristics ensuring minimal power loss during reverse bias conditions
Applications
- Automotive electronics systems requiring high-voltage rectification
- General purpose rectification circuits
- Freewheeling applications in inductive load protection
Procurement Notes
Verify the specific -AQ suffix indicates AEC-Q101 compliance when sourcing. Confirm package type and lead configuration match design requirements. Check latest datasheet revisions for any parameter updates before finalizing procurement specifications.
Selection Notes
Select this component for designs requiring robust automotive-grade reliability combined with high voltage handling capabilities. Ensure thermal management strategies account for the specified thermal resistance values under expected ambient operating conditions.
Part Context
This part belongs to the BY251 through BY255 series of standard recovery rectifiers. The -AQ designation specifically denotes automotive qualification, distinguishing it from commercial grade variants within the same electrical family.
Replacement Considerations
Cross-reference with other AEC-Q101 qualified 1300V 3A rectifiers from Diotec or other manufacturers. Verify pinout compatibility and thermal performance metrics before substitution.
FAQ
What does the -AQ suffix indicate for the BY255-AQ?
The -AQ suffix indicates that the device is qualified according to the AEC-Q101 automotive standard.
What is the maximum junction temperature for operation?
The maximum operating junction temperature is +150°C.
