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Product Detailed Parameters
- Description：DIODE AVALANCHE 1KV 1.25A SOD57
- Series：-
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Reel (TR),Cut Tape (CT)
- Technology：Avalanche
- Voltage - DC Reverse (Vr) (Max)：1000 V
- Current - Average Rectified (Io)：1.25A
- Voltage - Forward (Vf) (Max) @ If：1.5 V @ 1 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：100 ns
- Current - Reverse Leakage @ Vr：5 µA @ 1000 V
- Capacitance @ Vr, F：-
- Mounting Type：Through Hole
- Package / Case：SOD-57, Axial
- Supplier Device Package：SOD-57
- Operating Temperature - Junction：-55°C ~ 175°C
- Grade：-
- Qualification：-
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Overview
The BYT54M-TR is a fast avalanche sinterglass diode manufactured by Vishay Semiconductors. It features a glass passivated junction and hermetically sealed SOD-57 package with plated axial leads. The device supports a repetitive peak reverse voltage of 1000 V and an average forward current of 1.25 A at 10 mm lead length, or 0.75 A on a PCB. It exhibits a maximum reverse recovery time of 100 ns and a typical forward voltage of 1.5 V at 1 A. Non-repetitive reverse avalanche energy capability is rated at 10 mJ. Operating temperature range spans from -55 °C to +175 °C.
Feature Summary
- Fast avalanche sinterglass construction
- Glass passivated junction for low reverse current
- Hermetically sealed SOD-57 package
- Soft recovery characteristics
Applications
- Very fast rectification
- Switching diodes
Procurement Notes
Verify the specific ordering code matches the required packaging format. The BYT54M-TR designation indicates units are supplied on a 10-inch tape and reel. Confirm minimum order quantities align with manufacturing requirements. Ensure compliance with material categorization definitions provided in the official documentation before finalizing procurement specifications.
Selection Notes
Select this component when high reverse voltage blocking capability near 1000 V is required alongside fast switching speeds. The avalanche rating allows for energy dissipation during transient events. Consider thermal resistance values based on lead length or PCB mounting spacing to ensure operation within the specified junction temperature limits under expected load conditions.
Part Context
This part belongs to the BYT54 series of fast avalanche sinterglass diodes. Other variants in the family include BYT54A through BYT54K, differentiated primarily by their repetitive peak reverse voltage ratings ranging from 50 V to 800 V. All models share identical physical dimensions, package type, and general electrical characteristics such as forward current and recovery time.
Replacement Considerations
Direct substitutes within the same manufacturer line include BYT54A, BYT54B, BYT54D, BYT54G, BYT54J, and BYT54K. Selection depends strictly on matching the required reverse voltage rating for the specific circuit application.
FAQ
What is the non-repetitive reverse avalanche energy rating?
The BYT54M has a non-repetitive reverse avalanche energy rating of 10 mJ.
How does mounting position affect average forward current?
The average forward current is 1.25 A with a 10 mm lead length, but reduces to 0.75 A when mounted directly on a PC board.
