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Product Detailed Parameters
- Description：DIODE AVALANCHE 200V 3A SOD64
- Series：-
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Box (TB)
- Technology：Avalanche
- Voltage - DC Reverse (Vr) (Max)：200 V
- Current - Average Rectified (Io)：3A
- Voltage - Forward (Vf) (Max) @ If：1.5 V @ 9 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：100 ns
- Current - Reverse Leakage @ Vr：1 µA @ 200 V
- Capacitance @ Vr, F：-
- Mounting Type：Through Hole
- Package / Case：SOD-64, Axial
- Supplier Device Package：SOD-64
- Operating Temperature - Junction：-55°C ~ 175°C
- Grade：-
- Qualification：-
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Overview
The BYW172D is a fast avalanche sinterglass diode from Vishay, housed in an SOD-64 package. It features a 200 V repetitive peak reverse voltage and supports a 3 A average forward current. The device exhibits low reverse current of 1 μA at rated voltage and soft recovery characteristics with a maximum reverse recovery time of 100 ns. It withstands a peak forward surge current of 100 A and offers high pulse current capability. Operating temperatures range from -55 °C to +175 °C.
Feature Summary
- Glass passivated junction for hermetic sealing
- Soft recovery characteristics for reduced noise
- Low forward voltage drop efficiency
- High pulse current handling capability
Applications
- Fast rectification in switch-mode power supplies
Procurement Notes
Verify the specific ordering code BYW172D-TAP corresponds to the 200 V variant in the SOD-64 package. Confirm that the tape packaging contains 2500 units per ammopack as specified in the manufacturer's ordering information. Ensure technical requirements align with the absolute maximum ratings provided in the datasheet before finalizing procurement.
Selection Notes
Select this component when a 200 V blocking voltage is required alongside a 3 A continuous current rating. The SOD-64 package suits space-constrained designs needing axial leads. Consider the 100 ns reverse recovery time for high-frequency switching applications. Verify thermal resistance constraints against the intended mounting position and ambient temperature conditions.
Part Context
This part belongs to the BYW172 series, which includes variants with different voltage ratings such as the BYW172F (300 V) and BYW172G (400 V). All models share the same SOD-64 mechanical footprint and 3 A current rating. The BYW172D specifically denotes the 200 V version within this family of fast avalanche sinterglass diodes manufactured by Vishay Semiconductors.
Replacement Considerations
Direct substitutes include BYW172F and BYW172G if higher voltage ratings are acceptable. No other cross-brand equivalents are confirmed in the source material.
