2SD471-AZ

Overview

The Renesas 2SD471-AZ is a discrete NPN bipolar junction transistor designed for general-purpose amplification and switching applications. It features a single configuration with a maximum collector current of 0.5 A and a power dissipation rating of 625 mW. The device operates within a temperature range of -55°C to +150°C and utilizes a TO-92 package.

Feature Summary

• NPN polarity configuration suitable for standard circuit topologies
• High thermal stability supporting operation up to 150°C
• General-purpose amplification and switching capabilities

Applications

• General-purpose signal amplification circuits
• Low-power electronic switching applications
• Consumer electronics internal control logic

Procurement Notes

Verify the specific suffix designation against official Renesas documentation to confirm exact electrical tolerances and packaging variations. Ensure compliance with RoHS directives if required by the target application environment. Cross-reference the manufacturer part number directly with authorized distributors to avoid counterfeit components.

Selection Notes

Select this component for designs requiring moderate current handling in a compact through-hole package. Evaluate the thermal management requirements given the 625 mW dissipation limit. Confirm that the voltage ratings align with the specific supply rails and transient conditions of the intended circuit design.

Part Context

This component belongs to the broader category of discrete semiconductor transistors manufactured by Renesas Electronics. It serves as a fundamental building block for analog and digital interface circuits, providing reliable switching performance in cost-sensitive consumer and industrial devices.

Replacement Considerations

Consult official Renesas substitution guides for verified equivalents. Generic replacements must match the NPN configuration, TO-92 package, and minimum hFE specifications to ensure circuit compatibility.