JAN1N5314UR-1/TR

Current Regulation - Diodes, Transistors Overview

The JAN1N5314UR-1/TR is a hermetically sealed current regulator diode manufactured by Microchip Technology. It operates in the DO-213AB (MELF) surface-mount package and provides a regulated current of 4.7 mA with a maximum limiting voltage of 2.9 V. The device supports a peak operating voltage of 100 V and dissipates up to 500 mW. It functions within an extended temperature range from -65 °C to +175 °C. This component is qualified under MIL-PRF-19500/463 standards, ensuring reliability for demanding environments.

Current Regulation - Diodes, Transistors Feature Summary

• Hermetically sealed glass MELF construction for environmental protection
• Internal metallurgical bond for enhanced structural integrity
• Constant current regulation across a wide voltage and temperature span

Current Regulation - Diodes, Transistors Applications

• Military aerospace electronic systems
• High-reliability industrial instrumentation
• Harsh environment circuit protection

Current Regulation - Diodes, Transistors Procurement Notes

Verify that the specific suffix UR-1/TR corresponds to the tape-and-reel packaging format required for automated assembly processes. Confirm that the JAN qualification level meets the specific project's radiation hardness or reliability requirements before finalizing procurement orders.

Current Regulation - Diodes, Transistors Selection Notes

Select this component when a stable current source is needed over a broad voltage range where Zener diodes are unsuitable. Ensure the design accommodates the 500 mW power dissipation limit and verify that the 4.7 mA output matches the target circuit biasing needs without exceeding thermal constraints.

Current Regulation - Diodes, Transistors Part Context

This part belongs to the 1N5283-1 through 1N5314-1 series of 0.5-watt current regulators. The JAN prefix indicates military-grade qualification per MIL-PRF-19500/463. The UR-1 designation specifies the surface-mount DO-213AB package variant, while TR indicates reel packaging.

Current Regulation - Diodes, Transistors Replacement Considerations

Commercial equivalents include the 1N5314UR-1E3/TR. Verify that commercial grade parts meet the required temperature and reliability specifications if replacing the JAN version.