2SA1221-T-AZ

Single Bipolar Transistors Overview

The 2SA1221-T-AZ is a PNP bipolar junction transistor manufactured by Renesas Electronics Corporation. It features a collector-emitter voltage rating of 140 V and a continuous collector current capacity of 500 mA. The device supports a transition frequency of 45 MHz and dissipates up to 1 W of power. Designed for through-hole mounting, this component serves as a general-purpose switching and amplification element within electronic circuits.

Single Bipolar Transistors Feature Summary

• PNP polarity configuration for general-purpose switching and amplification applications
• Through-hole package design suitable for standard board mounting techniques
• Operational capability at high temperatures up to 175°C

Single Bipolar Transistors Applications

• General-purpose signal amplification
• Electronic circuit switching
• High-temperature operational environments

Single Bipolar Transistors Procurement Notes

Verify the specific ordering suffix and manufacturing date code against official Renesas documentation before procurement. Confirm that the component meets RoHS environmental standards as indicated in the product attributes. Ensure compatibility with existing through-hole assembly processes and thermal management requirements for the intended application.

Single Bipolar Transistors Selection Notes

Select this component when a PNP transistor with 140 V breakdown voltage and 500 mA current handling is required. Consider the 45 MHz frequency response for appropriate bandwidth needs. Evaluate the 1 W power dissipation limit against thermal constraints. Verify availability status as support may be restricted to existing adopted customers.

Single Bipolar Transistors Part Context

This part belongs to the Renesas Bipolar Power Transistors family. The manufacturer notes that the 2SA1221 series is primarily supported for customers who have already adopted these products. It shares characteristics with other high-voltage bipolar transistors in the lineup, such as the 2SC2958 NPN counterpart.

Single Bipolar Transistors Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Users should consult official cross-reference lists or contact Renesas directly for compatible alternatives.