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BAS21

BAS21 Description

The BAS21 from Good Ark Semiconductor is a high-performance switching diode designed for small-signal applications requiring fast response and low leakage. With a maximum reverse voltage (Vr) of 250V and an average rectified current (Io) of 200mA, it is optimized for efficiency in compact circuits. The diode features a low forward voltage drop (1.25V @ 200mA) and minimal reverse leakage current (100nA @ 200V), ensuring energy-efficient operation. Its ultra-fast reverse recovery time (50ns) and low junction capacitance (5pF @ 0V, 1MHz) make it ideal for high-frequency switching. Packaged in a surface-mount (SMD) Tape & Reel (TR) format, it complies with RoHS3 and REACH standards, making it environmentally friendly and suitable for automated assembly.

BAS21 Features

• High-Speed Switching: Reverse recovery time of 50ns ensures rapid response in signal processing.
• Low Power Loss: Forward voltage of 1.25V @ 200mA minimizes energy dissipation.
• Minimal Leakage: 100nA @ 200V reverse leakage enhances circuit stability.
• Compact & Reliable: Surface-mount design with MSL1 (Unlimited) moisture sensitivity for robust performance.
• Wide Compatibility: EAR99 and HTSUS 8541.10.0080 classifications simplify global logistics.
• High-Frequency Suitability: 5pF capacitance reduces signal distortion in RF applications.

BAS21 Applications

The BAS21 excels in:

• Signal Demodulation & Clipping: Precision rectification in communication systems.
• High-Speed Switching Circuits: Logic gates, pulse shaping, and digital systems.
• Voltage Protection: Reverse polarity and transient voltage suppression.
• RF & Microwave Systems: Low capacitance ensures minimal signal loss.
• Portable Electronics: Energy-efficient performance in battery-powered devices.

Conclusion of BAS21

The BAS21 stands out as a versatile, high-speed switching diode with low leakage, fast recovery, and compact packaging. Its 250V/200mA rating and RoHS3 compliance make it a reliable choice for modern electronics, from industrial controls to consumer devices. Engineers benefit from its balance of speed, efficiency, and durability, ensuring optimal performance in demanding applications.