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Product Detailed Parameters
- Description：DIODE STANDARD 200V 200MA SOD123
- Series：-
- Mfr：Comchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT)
- Technology：Standard
- Voltage - DC Reverse (Vr) (Max)：200 V
- Current - Average Rectified (Io)：200mA
- Voltage - Forward (Vf) (Max) @ If：1.25 V @ 200 mA
- Speed：Small Signal =< 200mA (Io), Any Speed
- Reverse Recovery Time (trr)：50 ns
- Current - Reverse Leakage @ Vr：100 nA @ 200 V
- Capacitance @ Vr, F：5pF @ 0V, 1MHz
- Mounting Type：Surface Mount
- Package / Case：SOD-123
- Supplier Device Package：SOD-123
- Operating Temperature - Junction：-65°C ~ 150°C
- Grade：-
- Qualification：-
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Overview
The BAV21W-HF is a high-voltage small signal switching diode manufactured by Comchip Technology. It utilizes surface mount technology in an SOD-323 package, designed for efficient space-constrained applications. The device features a peak reverse voltage of 250V and a forward current rating of 250mA. It exhibits a low junction capacitance of 4pF and a fast recovery time of 4ns, ensuring minimal signal distortion during rapid switching operations. The component operates within a temperature range of -65°C to +175°C and complies with RoHS standards.
Feature Summary
- High voltage capability suitable for demanding switching environments
- Fast recovery characteristics minimize signal distortion
- Low junction capacitance preserves signal integrity
- Extended thermal operating range ensures reliability
Applications
- High-speed digital logic circuits
- Clamping and protection in RF applications
- General purpose switching in portable electronics
Procurement Notes
Verify the specific datasheet revision and compliance documentation directly with Comchip Technology or authorized distributors before integration. Confirm that the SOD-323 footprint matches your PCB design requirements. Ensure that the thermal management strategy accounts for the maximum junction temperature limits specified in the official technical data sheet.
Selection Notes
Select this component when high voltage isolation and rapid switching speeds are critical. The low capacitance makes it preferable over standard rectifiers in high-frequency signal paths. Consider the SOD-323 package size constraints and verify that the 250mA forward current meets the circuit load requirements without exceeding thermal limits.
Part Context
This part belongs to Comchip Technology's lineup of high-voltage small signal switching diodes. It serves as a surface-mount alternative to through-hole variants, offering comparable electrical performance in a compact form factor. The series is engineered for robustness in consumer electronics and industrial control systems requiring reliable high-voltage handling.
Replacement Considerations
BAV21W-HF may be functionally replaced by other 250V, 250mA SMD switching diodes such as the BAV99 (if voltage allows) or BAV21W from other manufacturers like Diodes Incorporated or Micro Commercial Components, provided pinout and package dimensions are identical.
