JANTX1N5290-1/TR

Current Regulation - Diodes, Transistors Overview

The JANTX1N5290-1/TR is a current regulator diode manufactured by Microchip Technology, designed for military-grade applications. It operates within a temperature range of -65°C to 175°C (TJ). The device features a maximum anode-to-cathode voltage (Vak) of 100V and a maximum power dissipation of 500mW. The regulated current is specified at 517µA, with a maximum limiting voltage of 1.05V. It is housed in a DO-204AA (DO-7) axial leaded package suitable for through-hole mounting. This component complies with MIL-PRF-19500/463 standards and is supplied in tape and reel packaging.

Current Regulation - Diodes, Transistors Feature Summary

• Provides stable current regulation over a broad voltage range as a counterpart to Zener diodes.
• Features a double-plug internal bond connection with a larger active die element for unique current limiting function.
• Qualified for military environments with extended operating temperature capabilities.

Current Regulation - Diodes, Transistors Applications

• Military electronic systems requiring precise current control.
• Circuits needing constant current sources where voltage varies.
• Protection circuits utilizing the device's current limiting characteristics.

Current Regulation - Diodes, Transistors Procurement Notes

Verify that the specific part number matches the required military qualification level and package style. Confirm the tape and reel orientation and quantity per manufacturer standard packaging before ordering. Ensure compatibility with existing through-hole assembly processes and thermal management requirements for the specified power dissipation limits.

Current Regulation - Diodes, Transistors Selection Notes

Select this component when a constant current source or limiter is needed in a ruggedized environment. Compare the 517µA regulation value against circuit requirements. Consider the 100V breakdown voltage and 500mW power rating for thermal design. Verify that the axial DO-7 package fits the board layout constraints compared to surface-mount alternatives.

Current Regulation - Diodes, Transistors Part Context

This part belongs to the popular 1N5283-1 thru 1N5314-1 series of 0.5 watt current regulators. These devices offer a selection from 0.22 mA to 4.7 mA in standard 10% tolerances. The JAN prefix indicates a specific military qualification level within the broader product family offered by Microchip.

Current Regulation - Diodes, Transistors Replacement Considerations

Check for other variants in the 1N5290 series such as JAN1N5290-1 or JANS1N5290UR-1 if different package styles or qualification levels are acceptable. Ensure substitute parts maintain the same 517µA regulation current and 100V maximum voltage ratings.