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Product Detailed Parameters
- Description：DIODE STANDARD 200V 250MA SOD323
- Series：-
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Reel (TR),Cut Tape (CT)
- Technology：Standard
- Voltage - DC Reverse (Vr) (Max)：200 V
- Current - Average Rectified (Io)：250mA
- Voltage - Forward (Vf) (Max) @ If：1.25 V @ 200 mA
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：50 ns
- Current - Reverse Leakage @ Vr：100 nA @ 200 V
- Capacitance @ Vr, F：1.5pF @ 0V, 1MHz
- Mounting Type：Surface Mount
- Package / Case：SC-76, SOD-323
- Supplier Device Package：SOD-323
- Operating Temperature - Junction：150°C (Max)
- Grade：Automotive
- Qualification：AEC-Q101
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Overview
The BAV21WS-HE3-18 is a high-voltage small signal switching diode manufactured by Vishay General Semiconductor - Diodes Division. It features a single silicon junction encapsulated in an SOD-323 (SC-76) surface-mount package. Key electrical parameters include a maximum repetitive peak reverse voltage of 250 V, a continuous forward current of 250 mA, and a maximum surge forward current of 1 A. The device exhibits a typical reverse recovery time of 50 ns, a maximum forward voltage of 1.25 V at rated current, and a low reverse leakage current of 100 nA at 200 V. It operates within a temperature range of -55 °C to +150 °C.
Feature Summary
- High-voltage capability with a 250 V peak reverse voltage rating for robust protection in demanding circuits.
- Fast switching performance characterized by a 50 ns maximum reverse recovery time.
- Compact SOD-323 surface-mount package designed for automated assembly and space-constrained layouts.
Applications
- General purpose switching in industrial equipment
- Signal processing in digital voltmeters
- Video output stages in color television sets
Procurement Notes
Verify the specific suffix HE3-18 against official Vishay documentation to confirm lead-free compliance and reel packaging specifications. Ensure the component matches the required SOD-323 footprint and thermal characteristics for your design. Cross-reference the datasheet revision date to validate parameter accuracy before finalizing procurement orders.
Selection Notes
Select this component when a high-voltage switching diode is required in a compact surface-mount form factor. The 250 V rating provides headroom above standard 200 V variants. Consider the 50 ns recovery time for moderate-speed applications. Verify that the SOD-323 package dimensions align with the PCB layout constraints and thermal management requirements of the target system.
Part Context
This part belongs to the Vishay BAV21W series of general-purpose switching diodes. The series utilizes planar technology for reliable performance. The BAV21 variant specifically offers higher voltage ratings compared to the BAV20. These diodes are engineered for use in various electronic circuits requiring fast switching and high reverse voltage tolerance.
Replacement Considerations
BAV21WS-E3-18: Standard tin-lead equivalent; verify RoHS compliance if required. BAV21W-G3-18: Alternative Vishay variant with similar electrical characteristics; confirm package and pinout compatibility.
