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Product Detailed Parameters
- Description：DIODE STD 1250V 1.75A DO204AC
- Series：Superectifier®
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Reel (TR)
- Technology：Standard
- Voltage - DC Reverse (Vr) (Max)：1250 V
- Current - Average Rectified (Io)：1.75A
- Voltage - Forward (Vf) (Max) @ If：1.5 V @ 5 A
- Speed：Standard Recovery >500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：2 µs
- Current - Reverse Leakage @ Vr：5 µA @ 1250 V
- Capacitance @ Vr, F：-
- Mounting Type：Through Hole
- Package / Case：DO-204AC, DO-15, Axial
- Supplier Device Package：DO-204AC (DO-15)
- Operating Temperature - Junction：-65°C ~ 175°C
- Grade：Automotive
- Qualification：AEC-Q101
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Overview
The BY127MGPHE3/54 is a miniature glass-passivated junction rectifier manufactured by Vishay General Semiconductor. It features a Superectifier structure for high reliability and cavity-free construction. The component operates in the DO-204AC (DO-15) axial package with matte tin-plated leads. Key electrical ratings include a maximum repetitive peak reverse voltage of 1250 V, a maximum average forward rectified current of 1.75 A at 55 °C ambient temperature, and a peak forward surge current capability of 50 A. The device supports an operating junction temperature range from -65 to +175 °C.
Feature Summary
- Superectifier structure designed for high reliability applications
- Cavity-free glass-passivated junction construction
- AEC-Q101 qualified for automotive environments
- Compliant with RoHS Directive 2002/95/EC and WEEE 2002/96/EC
Applications
- High voltage rectification in power supplies
- Inverter circuits
- Converter systems
- Freewheeling diodes in consumer electronics
- Automotive electronic applications
Procurement Notes
Verify that the HE3 suffix indicates AEC-Q101 qualification, which differs from the commercial grade E3 suffix. Confirm the /54 packaging code corresponds to the 13-inch diameter paper tape and reel format containing 4000 units per base quantity. Ensure compliance requirements match specific project standards regarding environmental directives.
Selection Notes
Select this component when high voltage blocking capabilities up to 1250 V are required alongside moderate current handling. The DO-204AC package suits through-hole mounting where lead length affects thermal performance. Consider the 175 °C maximum junction temperature for high-temperature operational environments requiring robust thermal margins.
Part Context
This part belongs to the BY127MGP series of miniature glass-passivated junction rectifiers. The HE3 variant specifically denotes AEC-Q101 qualification, distinguishing it from standard commercial grades. The product utilizes molded epoxy over a glass body, meeting UL 94 V-0 flammability ratings for safety compliance in enclosed assemblies.
Replacement Considerations
Cross-reference with other Vishay BY127 variants or equivalent high-voltage rectifiers sharing the DO-15 package. Verify that substitute components meet the 1250 V reverse voltage rating and 1.75 A average forward current specifications to ensure circuit compatibility.
