JANS1N5306UR-1/TR

Current Regulation - Diodes, Transistors Overview

The JANS1N5306UR-1/TR is a JANS qualified current regulator diode manufactured by Microchip Technology. It provides a regulated current of 2.42 mA with a maximum peak operating voltage of 100 V and a power dissipation rating of 500 mW. The device utilizes a DO-213AB (MELL) surface-mount package. It operates within a temperature range of -55°C to +175°C. Key electrical characteristics include a minimum dynamic impedance of 370 kΩ and a minimum knee impedance of 52 kΩ, ensuring stable current regulation across varying voltage conditions.

Current Regulation - Diodes, Transistors Feature Summary

• JANS qualification for space applications per MIL-PRF-19500/463
• High source impedance for effective current regulation
• Internal metallurgical bond construction
• DO-213AB MELF package with double-plug internal bond

Current Regulation - Diodes, Transistors Applications

• Spacecraft electronic circuits
• Satellite power management systems
• Military avionics current limiting
• Harsh environment sensor biasing

Current Regulation - Diodes, Transistors Procurement Notes

Verify the JANS radiation hardness qualification level is required for the specific mission profile. Confirm the trailing slash in the part number indicates tape-and-reel packaging rather than bulk. Ensure the supplier provides full traceability documentation consistent with aerospace procurement standards. Check for any specific lot traceability requirements mandated by the end-user program.

Current Regulation - Diodes, Transistors Selection Notes

Select this component when a fixed current source is needed in a space-rated design. Compare against other JANS current regulators based on the specific current value of 2.42 mA. Consider the thermal management capabilities provided by the 500 mW power rating. Evaluate the DO-213AB footprint compatibility with the target PCB layout constraints.

Current Regulation - Diodes, Transistors Part Context

This part belongs to the 1N5306 series of current regulator diodes. It serves as the space-grade equivalent to commercial variants like the 1N5306UR-1. The series offers various current options from 0.22 mA to 4.7 mA. The JANS grade ensures resistance to total ionizing dose effects suitable for orbital environments.

Current Regulation - Diodes, Transistors Replacement Considerations

• JAN1N5306UR-1/TR
• JANTXV1N5306UR-1/TR

Current Regulation - Diodes, Transistors FAQ

What is the significance of the JANS qualification?

JANS qualification indicates the device meets strict radiation hardness and reliability standards for space applications, specifically per MIL-PRF-19500/463.

How does the DO-213AB package differ from axial packages?

The DO-213AB is a surface-mount MELF package that allows for automated assembly and offers a compact form factor compared to traditional through-hole axial leads.