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Product Detailed Parameters
- Description：DIODE STD 1250V 1.75A DO204AC
- Series：-
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Box (TB)
- 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：-
- Qualification：-
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Overview
The BY127MGP-E3/73 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 device operates with a maximum repetitive peak reverse voltage of 1250 V and supports a maximum average forward rectified current of 1.75 A at an ambient temperature of 55 °C. It exhibits a low forward voltage drop of 1.5 V at 5.0 A and maintains a maximum reverse leakage current below 5.0 μA at 1250 V. The component handles a peak forward surge current of 50 A and functions within a junction temperature range of -65 to +175 °C.
Feature Summary
- Superectifier structure designed for high reliability applications
- Cavity-free glass-passivated junction construction
- Low forward voltage drop and low leakage current characteristics
- High forward surge capability
Applications
- High voltage rectification in power supplies
- Inverter circuits
- Converter systems
- Freewheeling diodes for consumer electronics
- Automotive electronic applications
Procurement Notes
Verify the specific ordering suffix when sourcing this component, as it determines the packaging format and environmental qualification level. The E3 suffix indicates RoHS compliance, while the HE3 suffix denotes AEC-Q101 automotive qualification. Confirm that the requested package matches the required delivery mode, such as ammo pack or tape and reel, to ensure compatibility with assembly processes.
Selection Notes
Select this component for designs requiring high-voltage rectification up to 1250 V with moderate current handling capabilities. The DO-204AC (DO-15) package provides robust mechanical stability suitable for through-hole mounting. Consider the thermal resistance values when designing heat dissipation strategies, particularly for applications operating near the maximum junction temperature limit of 175 °C.
Part Context
This part belongs to the BY127 series of miniature glass-passivated junction rectifiers from Vishay General Semiconductor. These components are engineered for general-purpose high-voltage rectification tasks. The product line emphasizes reliability through its cavity-free glass passivation technology and adherence to strict environmental standards, including RoHS directives and MIL-S-19500 specifications.
Replacement Considerations
Direct replacements must match the 1250 V reverse voltage rating and 1.75 A average forward current capacity. Ensure the substitute component utilizes a compatible DO-204AC (DO-15) package for physical integration. Verify that any alternative meets the same thermal and electrical performance criteria for high-voltage rectification applications.
