BAS21S

Diode Arrays Overview

The BAS21S is a small signal switching diode manufactured by Taiwan Semiconductor Corporation. It is designed for high-speed switching applications and general-purpose rectification. The device features a single diode configuration housed in an SOT-23 surface-mount package. Key electrical characteristics include a peak repetitive reverse voltage of 250 V, a maximum forward current of 200 mA, and a low reverse recovery time of 50 ns. The component supports a wide operating temperature range from -55 °C to +150 °C.

Diode Arrays Feature Summary

• High-speed switching capability with fast reverse recovery time
• Low leakage current for efficient performance
• Compact SOT-23 surface-mount package design
• AEC-Q101 qualified for automotive reliability standards

Diode Arrays Applications

• High-speed switching circuits
• General-purpose switching applications
• Voltage clamping functions
• Reverse polarity protection

Diode Arrays Procurement Notes

Verify the specific suffix codes against official datasheets to confirm exact packaging and tape-and-reel specifications. Ensure compliance with RoHS directives and AEC-Q101 automotive qualification requirements relevant to the target application environment before finalizing procurement orders.

Diode Arrays Selection Notes

Select this component when a compact, high-voltage switching diode with automotive-grade reliability is required. The SOT-23 package suits space-constrained designs. Verify that the 250 V reverse voltage rating exceeds the circuit's peak inverse voltage requirements and that the 200 mA forward current capacity meets load demands.

Diode Arrays Part Context

This part belongs to the BAS21 series of silicon planar high-speed switching diodes. These devices are widely used in consumer electronics and industrial equipment where fast switching speeds and low capacitance are critical. The series offers various configurations including single, dual, and common anode options within similar miniature packages.

Diode Arrays Replacement Considerations

Compatible substitutes include the Nexperia BAS21W and onsemi BAS21TMR6T1G. Verify pinout compatibility and ensure equivalent electrical ratings such as reverse voltage and forward current before implementing any cross-brand replacements.