2SC5291S-AY

Single Bipolar Transistors Overview

The 2SC5291S-AY is a high-voltage NPN silicon epitaxial planar transistor manufactured by onsemi. Designed for demanding switching applications, it features a collector-emitter voltage rating of 400 V and a continuous collector current capacity of 1.5 A. The device utilizes a TO-220AB flange-mount package to facilitate efficient thermal dissipation. It offers a minimum DC current gain (hFE) of 70 at a collector current of 1.0 A, ensuring reliable amplification and switching performance in power circuits.

Single Bipolar Transistors Feature Summary

• High-voltage capability suitable for robust power switching environments
• Flange-mount package design optimized for effective heat dissipation
• High current handling capacity for substantial load driving

Single Bipolar Transistors Applications

• Horizontal deflection output circuits in television displays
• General-purpose high-voltage switching applications
• Power amplifier stages requiring high breakdown voltage

Single Bipolar Transistors Procurement Notes

Verify the specific suffix 'AY' against the official onsemi datasheet to confirm exact binning or testing criteria. Ensure the procurement channel provides genuine components with traceable origin. Confirm that the TO-220AB package dimensions match the target PCB footprint requirements before finalizing orders.

Single Bipolar Transistors Selection Notes

Select this component when circuit designs require an NPN transistor capable of blocking 400 V while delivering up to 1.5 A. The TO-220AB package is appropriate for applications where board space allows for direct mounting to a heatsink. Consider the hFE range if precise base drive current calculations are critical for the specific switching frequency.

Single Bipolar Transistors Part Context

This part belongs to the 2SC5291 series of high-voltage transistors. These devices are engineered primarily for video display and horizontal deflection output stages. The series provides a balance of high voltage tolerance and moderate current handling, making them standard choices for legacy and industrial display driver circuits.

Single Bipolar Transistors Replacement Considerations

Cross-reference with other 400 V NPN transistors in TO-220 packages such as the 2SC5291 without suffix or equivalent parts from other manufacturers. Verify pinout compatibility and thermal resistance specifications to ensure seamless integration into existing designs.