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Product Detailed Parameters
- Description：DIODE AVALANCHE 400V 1A SOD57
- Series：-
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Cut Tape (CT),Tape & Box (TB)
- Technology：Avalanche
- Voltage - DC Reverse (Vr) (Max)：400 V
- Current - Average Rectified (Io)：1A
- Voltage - Forward (Vf) (Max) @ If：2.5 V @ 1 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：30 ns
- Current - Reverse Leakage @ Vr：5 µA @ 400 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 BYV26B-TAP is a silicon ultra-fast recovery rectifier manufactured by Vishay Semiconductors. It features a single diode configuration housed in an SOD-57 through-hole package. The device supports a maximum repetitive peak reverse voltage of 400 V and a continuous forward current of 1 A. Key electrical characteristics include a maximum forward voltage of 2.5 V, a reverse leakage current of 5 uA, and a fast recovery time of 30 ns. It withstands a maximum surge current of 30 A and operates within a temperature range of -55 C to +175 C.
Feature Summary
- Ultra-fast recovery performance with 30 ns switching speed for efficient high-frequency operation
- High thermal stability allowing operation up to +175 C junction temperature
- Robust avalanche capability for enhanced reliability under transient conditions
Applications
- High-frequency power supply circuits
- Free-wheeling diodes in DC-DC converters
- Snubber circuits in inductive load protection
Procurement Notes
Verify the specific suffix 'TAP' against official Vishay documentation to confirm packaging details, as standard listings may indicate 'TR' or other variants. Ensure the component matches the SOD-57 package type and RoHS compliance status required for your assembly process. Cross-reference the manufacturer part number with authorized distributors to avoid counterfeit components.
Selection Notes
Select this component when designing circuits requiring fast switching speeds and high reverse voltage tolerance in a compact axial leaded form factor. The 1 A current rating suits moderate power applications, while the low reverse leakage ensures efficiency in sensitive analog or precision rectification tasks. Consider the thermal management requirements given the high maximum operating temperature.
Part Context
This component belongs to the BYV26x series of ultra-fast recovery rectifiers from Vishay. These devices are engineered for general-purpose high-speed switching applications where rapid turn-off characteristics are critical. The series offers a balance of high voltage blocking capability and low forward voltage drop, making it suitable for modern power electronics designs.
Replacement Considerations
Check for direct substitutes within the BYV26x family or equivalent ultra-fast rectifiers from other manufacturers that match the 400 V, 1 A, and 30 ns specifications. Verify pinout compatibility and package dimensions before substitution.
