onsemi Switching Diode, Series BAS21, 225 mA Maximum Forward Current, 250 V Maximum Peak Reverse Voltage, 3-Pin BAS21SLT1G

onsemi BAS21SLT1G is a high voltage switching diode housed in a compact SOT-23 surface mount package. Designed primarily for high-speed switching applications, this diode series excels with its 225 mA maximum forward current and a peak reverse voltage rating of 250 V.

The dual diode configuration in series enhances performance in circuits requiring fast recovery and high voltage handling. The device supports a peak non-repetitive forward surge current of 2.5 A, making it suitable for transient surge conditions.

With a fast peak reverse recovery time of 4 ns, the BAS21SLT1G diode reduces switching losses, making it ideal for power switching and signal processing in automotive and industrial electronics. It meets the stringent AEC-Q101 automotive standard and offers reliable operation over a temperature range of -55°C to 150°C.

The device’s compact dimensions (3.04 mm length, 1.4 mm width, 1.01 mm height) facilitate high-density circuit board design and surface mounting ease. Its moisture sensitivity level 1 rating ensures durability in moisture-prone environments while maintaining performance integrity.

This diode is widely used in automotive electronics, power converters, switching regulators, and general electronic switching circuits requiring efficient voltage and current control with rapid switching capabilities.

The diode configuration is series with a maximum forward current of 225 mA. Peak reverse voltage rating is 250 V, suitable for high-voltage switching. Operating temperature from -55°C to +150°C enables rugged industrial use.

Fast peak reverse recovery time of 4 ns minimizes switching losses. Compact SOT-23 surface mount package for space-saving designs. Conforms to automotive standard AEC-Q101 for reliability. Maximum power dissipation of 300 mW supports low power applications.

Moisture sensitivity level 1 ensures robust moisture resistance. Peak surge current capability of 2.5 A for transient durability. Dimensions are length 3.04 mm, width 1.4 mm, height 1.01 mm.

Product applications include automotive electronics, industrial switching, power management, and high-speed signal processing circuits. This component is critical for enhancing switching efficiency and reliability in electronic device design.

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