2SD1816S-TL-HQ

Single Bipolar Transistors Overview

The onsemi 2SD1816S-TL-HQ is a silicon NPN epitaxial planar transistor designed for high-current switching applications. It features a low collector-to-emitter saturation voltage and fast switching speed, making it suitable for relay drivers, high-speed inverters, converters, and general-purpose power switching circuits. The device is housed in a compact surface-mount package to facilitate miniaturization of electronic assemblies.

Single Bipolar Transistors Feature Summary

• High current handling capability with optimized thermal performance
• Low collector-to-emitter saturation voltage for reduced power loss
• Fast switching speed suitable for high-frequency operation
• Excellent linearity of forward current gain (hFE)

Single Bipolar Transistors Applications

• Relay drivers
• High-speed inverters
• DC-DC converters

Single Bipolar Transistors Procurement Notes

Verify the exact suffix 'HQ' against official onsemi documentation to confirm specific binning or tape-and-reel specifications. Ensure the component meets required automotive or industrial qualification standards if applicable to the target design. Cross-reference the datasheet revision date to ensure compatibility with current manufacturing processes.

Single Bipolar Transistors Selection Notes

Select this component when high current switching with minimal voltage drop is required. Compare hFE linearity and saturation characteristics against alternative NPN transistors in similar packages. Consider thermal dissipation requirements and ensure the operating temperature range aligns with system constraints.

Single Bipolar Transistors Part Context

This part belongs to onsemi's bipolar junction transistor portfolio, specifically engineered for power switching. It complements other high-current devices in the series, offering a balance between switching speed and conduction efficiency. The device is intended for use in consumer electronics, industrial control, and automotive subsystems requiring reliable NPN switching.

Single Bipolar Transistors Replacement Considerations

Consult official cross-reference guides for direct pin-compatible alternatives. Verify that substitute parts match the current rating, saturation voltage, and package dimensions. Ensure any replacement maintains the same electrical characteristics and reliability standards as the original specification.