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Product Detailed Parameters
- Description：DIODE STD 1250V 1.75A DO204AC
- Series：Superectifier®
- 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：Automotive
- Qualification：AEC-Q101
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Overview
The BY127MGPHE3/73 is a miniature glass-passivated junction rectifier manufactured by Vishay General Semiconductor. It features a Superectifier structure and operates within a temperature range of -65 °C to +175 °C. The device provides a maximum repetitive peak reverse voltage (VRRM) of 1250 V and a maximum average forward rectified current (IF(AV)) of 1.75 A at 55 °C ambient temperature. It supports a peak forward surge current (IFSM) of 50 A. Electrical characteristics include a maximum instantaneous forward voltage of 1.5 V at 5.0 A, a typical reverse recovery time of 2.0 μs, and a maximum reverse current of 5.0 μA at 1250 V.
Feature Summary
- Glass-passivated junction with cavity-free construction for high reliability
- Superectifier structure designed for low leakage current and low forward voltage drop
- Qualified to AEC-Q101 automotive standards
Applications
- High voltage rectification in power supplies
- Inverter and converter circuits
- Freewheeling diodes in consumer applications
- Freewheeling diodes in automotive applications
Procurement Notes
Verify the specific suffix HE3 confirms AEC-Q101 qualification status. Confirm package type matches DO-204AC requirements. Check RoHS compliance documentation against current directives. Validate thermal resistance parameters for your specific mounting conditions. Ensure lead length specifications align with your PCB layout constraints.
Selection Notes
Select this component when high voltage blocking capability up to 1250 V is required alongside moderate current handling. The wide operating temperature range suits demanding environments. Consider the fast reverse recovery time for switching applications. Verify that the through-hole DO-204AC package fits the mechanical design. Evaluate thermal management needs based on the specified thermal resistance values.
Part Context
This part belongs to Vishay's Miniature Glass Passivated Junction Rectifier series. It utilizes the Superectifier technology to enhance performance metrics like leakage current and forward voltage. The HE3 suffix indicates compliance with specific environmental standards including AEC-Q101 qualification. The DO-204AC package provides a compact form factor suitable for various electronic assemblies.
Replacement Considerations
Direct substitutes must match the 1250 V reverse voltage rating and 1.75 A average current capacity. Ensure replacement parts also feature glass passivation and meet AEC-Q101 requirements if automotive use is intended. Verify identical package dimensions for DO-204AC compatibility.
