JANTX1N5291-1

Current Regulation - Diodes, Transistors Overview

The JANTX1N5291-1 is a silicon current regulator diode manufactured by Microchip Technology. It provides a regulated current of 0.616 mA with a maximum limiting voltage of 1.1 V. The device operates within a temperature range of -55 °C to +200 °C and dissipates up to 500 mW. It utilizes the DO-7 axial-leaded package, featuring a double-plug internal bond connection for enhanced reliability in demanding environments.

Current Regulation - Diodes, Transistors Feature Summary

• Maintains constant current over a broad voltage range
• Double-plug internal bond connection for structural integrity
• Qualified per MIL-PRF-19500/463 standards

Current Regulation - Diodes, Transistors Applications

• Constant current sources for LED biasing
• Current limiting in transistor circuits
• Biasing elements for operational amplifiers

Current Regulation - Diodes, Transistors Procurement Notes

Verify the specific suffix against official Microchip documentation to confirm qualification level and package type. Ensure the ordering part number matches the required military specification compliance. Confirm lead times directly with authorized distributors as production schedules vary.

Current Regulation - Diodes, Transistors Selection Notes

Select this component when a stable current source is required across varying voltage conditions. Compare the 0.616 mA regulation point against circuit requirements. Consider the DO-7 package size and thermal dissipation capabilities relative to the application environment.

Current Regulation - Diodes, Transistors Part Context

This device belongs to the 1N5283-1 through 1N5314-1 series of 0.5 watt current regulators. These devices serve as counterparts to Zener diodes, regulating current rather than voltage. The series offers various current values from 0.22 mA to 4.7 mA in standard tolerances.

Current Regulation - Diodes, Transistors Replacement Considerations

Check for compatible parts within the same 1N52xx series or equivalent MIL-PRF-19500/463 qualified current regulator diodes. Verify that substitute components match the 0.616 mA regulation current and DO-7 package dimensions.