1N5301/TR

Overview

The Microchip Technology 1N5301/TR is a surface-mount current regulator diode housed in the DO-213AB (MELF, LL41) glass package. It belongs to the MIL-PRF-19500/463 military series and operates within a temperature range of -65°C to +175°C. The device features a maximum peak operating voltage of 100V and a maximum power dissipation of 500mW. Key electrical parameters include a maximum regulator current of 1.4mA, a maximum limiting voltage of 1.55V, a minimum dynamic impedance of 540 kohms, and a minimum knee impedance of 115 kohms.

Feature Summary

• Provides stable current regulation in a compact MELF glass package suitable for surface mount applications.
• Designed for high reliability with an extended operating temperature range up to 175°C.
• Complies with MIL-PRF-19500/463 standards for military-grade performance.

Applications

• Current limiting circuits in harsh environments
• Biasing elements for semiconductor devices
• Constant current sources in military electronics

Procurement Notes

Verify the specific ordering suffix against official Microchip documentation to confirm the reel packaging configuration. Ensure that the component meets all required environmental and quality standards for the intended application before procurement.

Selection Notes

Select this component when a surface-mount current regulator with MIL-PRF-19500/463 compliance is required. Consider the 1.4mA current rating and 100V voltage limit to ensure compatibility with circuit design constraints.

Part Context

This part is part of the 1N5301 series of current regulator diodes manufactured by Microchip Technology. It shares functional similarities with other parts in the series but differs in packaging and specific electrical tolerances defined by the military standard.

Replacement Considerations

Consult official substitution guides for compatible alternatives. Generic equivalents may not meet the MIL-PRF-19500/463 requirements or the specific impedance characteristics of this component.