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BAS21

BAS21 Description

The BAS21 from SMC Diode Solutions is a high-performance general-purpose diode designed for small-signal and switching applications. With a 200V DC reverse voltage (Vr) and 200mA average rectified current (Io), it offers reliable operation in compact surface-mount packages. The diode features a low forward voltage drop (1.25V @ 200mA) and minimal reverse leakage current (100nA @ 200V), ensuring efficient power handling. Its fast reverse recovery time (50ns) and low junction capacitance (5pF @ 0V, 1MHz) make it suitable for high-speed switching circuits. Compliant with ROHS3 and REACH standards, the BAS21 is ideal for modern electronics requiring environmental compliance.

BAS21 Features

• High Voltage & Current Rating: 200V Vr and 200mA Io for robust performance.
• Low Power Loss: 1.25V max forward voltage minimizes energy dissipation.
• Fast Switching: 50ns reverse recovery time enhances efficiency in high-frequency circuits.
• Low Capacitance: 5pF @ 0V reduces signal distortion in RF applications.
• Surface-Mount Design: SOT23-3 package enables compact PCB integration.
• Environmental Compliance: ROHS3 and REACH Affected certifications.
• Reliability: Moisture Sensitivity Level (MSL) 1 ensures durability in harsh conditions.

BAS21 Applications

The BAS21 excels in:

• Signal Demodulation & Clipping Circuits: Low capacitance ensures signal integrity.
• High-Speed Switching: Fast trr makes it ideal for switching power supplies.
• Protection Circuits: Reverse voltage tolerance safeguards sensitive components.
• Portable Electronics: Compact SOT23-3 package suits space-constrained designs.
• Automotive & Industrial Systems: Robust performance under varying temperatures.

Conclusion of BAS21

The BAS21 stands out as a versatile, high-efficiency diode for demanding applications. Its combination of low leakage, fast recovery, and compact form factor makes it superior to similar models in its class. Whether used in power management, signal processing, or protection circuits, the BAS21 delivers consistent performance while meeting stringent environmental standards. Engineers can rely on its SMC Diode Solutions pedigree for quality and reliability in critical designs.