1N4784/TR

Overview

The Microchip Technology 1N4784A/TR is a temperature-compensated Zener diode designed for precision voltage regulation. It features an 8.5 V nominal Zener voltage with a tight 5% tolerance and operates within a wide thermal range from -65°C to +175°C. The device dissipates up to 500 mW in a DO-204AA-2 axial package, offering low leakage current of 10 µA maximum and a test current of 1 mA. Its minimal voltage temperature coefficient ensures stable performance across varying environmental conditions.

Feature Summary

• Temperature compensated design for enhanced stability
• Wide operating temperature range capability
• Precision voltage regulation characteristics

Applications

• Precision voltage reference circuits
• Temperature-sensitive analog signal conditioning
• High-reliability power supply regulation

Procurement Notes

Verify the specific suffix against official documentation, as the provided model lacks the 'A' designation found in verified datasheets. Confirm RoHS compliance status directly with the manufacturer, as listed attributes may vary by production batch. Ensure the ordering quantity aligns with reel packaging requirements specified in the official component data sheet.

Selection Notes

Select this component when high thermal stability is critical for maintaining accurate voltage levels. The temperature compensation feature distinguishes it from standard Zener diodes, making it suitable for environments with significant thermal fluctuations. Verify that the 500 mW power dissipation rating meets the circuit's thermal management requirements.

Part Context

This component belongs to the 1N47xx series of Zener diodes manufactured by Microchip Technology. The series includes various voltage ratings and packages, with the 1N4784A variant specifically engineered for applications requiring precise voltage references under changing temperature conditions.

Replacement Considerations

Consult official substitution guides for compatible equivalents. Verify pinout compatibility and electrical parameter alignment before integrating alternative components into existing designs.