1N5312/TR

Overview

The Microchip Technology 1N5312/TR is a current regulator diode designed for through-hole mounting. It provides a regulated current of 4.29 mA with a maximum voltage rating of 100 V and a power dissipation capacity of 500 mW. The device operates within a temperature range of -65°C to +175°C TJ. It utilizes the DO-7 axial leaded package, suitable for standard PCB assembly processes.

Feature Summary

• Maintains stable current output across varying load conditions
• Operates reliably in high-temperature environments up to 175°C
• Provides simple two-terminal current regulation without complex circuitry

Applications

• Biasing circuits for transistors and integrated circuits
• Current limiting protection for sensitive electronic components
• Constant current sources for LED driving applications

Procurement Notes

Verify the specific suffix against official Microchip documentation to confirm packaging and environmental compliance details. Ensure the procurement channel provides valid traceability for the component's manufacturing origin and quality standards prior to purchase.

Selection Notes

Select this component when a fixed current source is required in a through-hole design. Confirm that the 4.29 mA regulation value matches the target circuit requirements and that the 100 V breakdown voltage accommodates the maximum expected voltage drop across the load.

Part Context

This part belongs to the 1N53xx series of current regulator diodes manufactured by Microchip Technology. These devices are commonly used in analog signal processing and power management circuits where precise current control is necessary without active feedback loops.

Replacement Considerations

Consult Microchip datasheets for direct equivalents within the 1N53xx series. Verify pinout compatibility and electrical parameter tolerances before substituting with parts from other manufacturers.