1N5305-1/TR

Overview

The Microchip Technology 1N5305-1/TR is a current regulator diode designed for stable current control in electronic circuits. It features a maximum anode-to-cathode voltage of 100V and a regulated current of 2.2mA. The device has a maximum power dissipation of 500mW and a maximum limiting voltage of 1.85V. It is housed in a DO-204AA (DO-7) axial through-hole package and supplied in tape and reel format.

Feature Summary

• Provides constant current regulation with high reliability
• Operates within an extended temperature range suitable for demanding environments
• Utilizes silicon technology for robust performance

Applications

• Current limiting in series with loads
• Biasing elements in transistor circuits
• Constant current sources for LEDs or sensors

Procurement Notes

Verify the specific suffix -1/TR to confirm the tape and reel packaging configuration, as standard versions may differ. Ensure the order matches the required 2.2mA regulation current and 100V rating. Confirm that the DO-7 axial package aligns with your PCB layout requirements. Check for RoHS compliance status if environmental regulations apply to your production process.

Selection Notes

Select this component when a fixed current source is needed without complex circuitry. The 2.2mA output is suitable for low-power biasing applications. Consider the 500mW power rating to ensure thermal management is adequate. The axial package requires through-hole mounting, which may impact board density compared to surface-mount alternatives.

Part Context

This part belongs to the 1N5305 series of current regulator diodes manufactured by Microchip Technology. It is often referenced alongside similar parts like the 1N5305BKLEADFREE from Central Semiconductor, though package and exact specifications may vary. The series is known for military-grade reliability options.

Replacement Considerations

Direct substitutes include other 1N5305 variants from different manufacturers, such as the 1N5305BKLEADFREE, provided the DO-35 package can be adapted or replaced. Verify that alternative parts match the 2.2mA current and 100V voltage ratings exactly.