2SD773-T-AZ

Overview

The 2SD773-T-AZ is an NPN silicon epitaxial planar transistor manufactured by Renesas Electronics. It is designed for high-speed switching applications, featuring a transition frequency of 150 MHz and a maximum collector current of 1 A. The device operates with a collector-emitter voltage of 80 V and a collector-base voltage of 90 V. It supports a maximum power dissipation of 1 W at 25°C ambient temperature. The component utilizes a TO-92 plastic package and complies with RoHS standards.

Feature Summary

• High-speed switching capability suitable for general-purpose applications
• NPN silicon epitaxial planar construction for reliable performance
• RoHS compliant manufacturing process

Applications

• General-purpose switching circuits
• Audio amplifier output stages
• Driver circuits for low-power loads

Procurement Notes

Verify the specific suffix T-AZ against the official Renesas datasheet to confirm package type and compliance status. Ensure the ordering information matches the exact part number required for your design. Check for any recent lifecycle notifications or discontinuance notices directly from the manufacturer before finalizing procurement plans.

Selection Notes

Select this component when a standard NPN transistor with 1 A continuous collector current and 80 V breakdown voltage is required. Consider the TO-92 package constraints for thermal management and board space. Verify that the 150 MHz transition frequency meets the switching speed requirements of the target application circuit.

Part Context

This component belongs to the Renesas 2SD series of NPN transistors. These devices are commonly used in consumer electronics and industrial control systems where moderate power handling and fast switching are necessary. The series offers a balance of electrical performance and cost-effectiveness for mass-produced electronic equipment.

Replacement Considerations

Consult the official Renesas replacement guide for verified substitutes. Generic equivalents may differ in hFE ranges or thermal characteristics. Do not assume pin compatibility without verifying the datasheet specifications of the candidate replacement part.