2STN2540

Single Bipolar Transistors Overview

The 2STN2540 is a low voltage fast-switching PNP power bipolar transistor manufactured using PB-HCD technology. It features very low collector-emitter saturation voltage and high current gain. The device operates with a maximum collector-emitter voltage of -40 V and a continuous collector current of -5 A. Total dissipation is rated at 1.6 W at 25 °C, with a maximum junction temperature of 150 °C. It is housed in an SOT-223 surface-mount package.

Single Bipolar Transistors Feature Summary

• Very low collector-emitter saturation voltage
• High current gain characteristic
• Fast switching speed
• Surface mounting device in medium power SOT-223 package

Single Bipolar Transistors Applications

• Emergency lighting
• LED drivers
• CCFL drivers (back lighting)
• Voltage regulation
• Relay driver

Single Bipolar Transistors Procurement Notes

Verify the specific datasheet revision against the manufacturer's official documentation to ensure accuracy of electrical parameters. Confirm that the SOT-223 package marking matches the required specifications for your assembly process. Ensure compliance with environmental standards such as ECOPACK lead-free requirements before finalizing procurement orders.

Single Bipolar Transistors Selection Notes

Select this component for applications requiring efficient switching with minimal voltage drop across the collector-emitter terminals. The high current gain allows for effective drive control with lower base currents. Consider the thermal resistance characteristics when designing heat dissipation solutions for the SOT-223 package in enclosed environments.

Single Bipolar Transistors Part Context

This PNP transistor belongs to STMicroelectronics' range of low voltage power bipolar devices. It utilizes advanced PB-HCD technology to achieve superior performance metrics compared to standard bipolar transistors. The device is designed for robust operation in various electronic circuits requiring reliable switching capabilities.

Single Bipolar Transistors Replacement Considerations

Consult official cross-reference lists for verified substitutes. Ensure any replacement maintains identical pinout configuration, voltage ratings, and package dimensions to guarantee compatibility without circuit redesign.

Single Bipolar Transistors FAQ

What technology is used to manufacture the 2STN2540?

The device is manufactured using new PB-HCD (Power Bipolar High Current Density) technology.

What is the maximum operating junction temperature?

The maximum operating junction temperature is 150 °C.

Is the 2STN2540 suitable for automotive safety-critical applications?

No, unless specified as Automotive Grade, it should not be used in life-saving or safety-critical applications where failure may result in injury or death.