2SB1261(1)-AZ

Single Bipolar Transistors Overview

The 2SB1261(1)-AZ is a PNP silicon epitaxial transistor manufactured by Renesas Electronics. It is designed for audio frequency amplifier and switching applications, particularly within hybrid integrated circuits. The device features a high DC current gain (hFE) ranging from 100 to 400 and a low collector-emitter saturation voltage of 0.3 V or less. Absolute maximum ratings include a collector-to-base voltage of -60 V, a continuous collector current of -3.0 A, and a total power dissipation of 2.0 W at 25°C ambient temperature. The component is housed in a TO-252 (MP-3Z) package.

Single Bipolar Transistors Feature Summary

• Optimized for use in audio frequency amplifiers and switching circuits
• Designed specifically for integration into hybrid integrated circuits
• Provides high DC current gain characteristics
• Ensures low collector-emitter saturation voltage

Single Bipolar Transistors Applications

• Audio frequency amplifiers
• Switching circuits
• Hybrid integrated circuits

Single Bipolar Transistors Procurement Notes

Verify the specific ordering suffix against the official datasheet to confirm exact electrical tolerances and packaging specifications. Confirm that the product quality grade aligns with the intended application requirements. Ensure compliance with export control laws if applicable. Check for the latest version of the data sheet before finalizing design-in decisions.

Single Bipolar Transistors Selection Notes

Select this component when designing audio frequency amplifiers requiring high current gain and low saturation voltage. Consider the thermal management capabilities provided by the TO-252 package for power dissipation needs. Evaluate the absolute maximum ratings to ensure operation remains within safe limits under all expected load conditions.

Single Bipolar Transistors Part Context

This component belongs to the Renesas Electronics discrete semiconductor portfolio, continuing the legacy of NEC Electronics products following the corporate merger. It serves as a specialized bipolar junction transistor tailored for analog signal processing and power switching tasks in consumer electronics and industrial equipment.

Single Bipolar Transistors Replacement Considerations

Consult official Renesas documentation for verified substitute part numbers. Cross-reference pinouts and electrical parameters carefully when considering alternative components from other manufacturers.

Single Bipolar Transistors FAQ

What is the primary application for the 2SB1261(1)-AZ?

It is primarily designed for audio frequency amplifiers and switching applications, especially in hybrid integrated circuits.

What is the maximum collector current rating?

The maximum continuous DC collector current is -3.0 A, with a pulse current rating of -5.0 A under specific duty cycle constraints.

What package type does this transistor use?

The transistor is available in the TO-252 (MP-3Z) surface-mount package.