1N5310-1/TR

Overview

The JAN1N5310-1/TR is a current regulator diode manufactured by Microchip Technology, designed for stable current regulation in electronic circuits. It operates with a maximum regulator current of 3.63 mA and supports a maximum peak operating voltage of 100 V. The device features a maximum limit voltage of 2.35 V and dissipates up to 500 mW of power. It is housed in a DO-7-2 through-hole package. The component functions within an extended temperature range from -65 °C to +175 °C, ensuring reliability in harsh environments. Key electrical characteristics include a minimum dynamic impedance of 280 kΩ and a minimum knee impedance of 24 kΩ.

Feature Summary

• Provides constant current regulation suitable for biasing applications
• Operates reliably across a wide industrial and military temperature range
• Utilizes a robust through-hole DO-7-2 package for secure mounting

Applications

• Biasing networks for transistors and integrated circuits
• Current limiting protection in sensitive electronic pathways
• Reference current sources in analog signal processing circuits

Procurement Notes

Verify the specific ordering suffix and manufacturer lot codes against official Microchip documentation to ensure authenticity. Confirm that the JAN prefix indicates the correct military-grade qualification if required for your design. Cross-reference the datasheet revision date to ensure compatibility with your system specifications before finalizing procurement orders.

Selection Notes

Select this component when a fixed current source of approximately 3.63 mA is required without active feedback loops. Ensure the circuit voltage does not exceed the 100 V peak rating. Consider the thermal dissipation limits of 500 mW and the DO-7-2 package constraints during PCB layout planning for adequate heat management.

Part Context

This part belongs to the 1N531x series of current regulator diodes produced by Microchip Technology. These devices are engineered to maintain a steady current flow regardless of voltage fluctuations within their operational limits. The JAN variant typically denotes aerospace or military-grade quality standards, offering enhanced reliability compared to commercial equivalents.

Replacement Considerations

Direct substitutes may include other 1N5310 variants from different manufacturers, provided they match the 3.63 mA current rating and DO-7-2 package. Verify pinout compatibility and impedance characteristics before substitution.