JAN1N5297-1/TR

Current Regulation - Diodes, Transistors Overview

The JAN1N5297-1/TR is a current regulator diode manufactured by Microchip Technology, designed for through-hole mounting in the DO-7 axial package. It provides a regulated current of approximately 1.1 mA with a maximum limiting voltage of 100 V and power dissipation of 500 mW. The device operates within an extended temperature range from -65°C to +175°C. Qualified under MIL-PRF-19500/463, it serves as a stable current source counterpart to Zener diodes, maintaining constant current over a broad voltage range.

Current Regulation - Diodes, Transistors Feature Summary

• Provides stable current regulation across a wide voltage span
• Military-grade qualification ensuring reliability in harsh environments
• Axial leaded construction suitable for standard through-hole assembly

Current Regulation - Diodes, Transistors Applications

• Constant current sources for LED driving circuits
• Biasing elements for transistor amplifier stages
• Current limiting protection in sensitive electronic systems

Current Regulation - Diodes, Transistors Procurement Notes

Verify the specific suffix designation against official Microchip documentation to confirm tape-and-reel packaging versus bulk supply. Ensure the procurement order explicitly references the MIL-PRF-19500/463 qualification level required for the intended application environment. Cross-reference the manufacturer part number with authorized distributors to confirm availability status and production lead times prior to finalizing orders.

Current Regulation - Diodes, Transistors Selection Notes

Select this component when a fixed current sink or source is required independent of voltage fluctuations within the specified operating range. Compare the 1.1 mA regulation value against circuit requirements to ensure compatibility with load impedance. Consider the DO-7 package dimensions and thermal dissipation capabilities relative to the available board space and ambient temperature conditions during design integration.

Current Regulation - Diodes, Transistors Part Context

This device belongs to the 1N5283-1 through 1N5314-1 series of 0.5-watt current regulator diodes. The series offers various current values ranging from 0.22 mA to 4.7 mA in standard tolerances. These components function similarly to Zener diodes but regulate current rather than voltage, providing a versatile solution for analog circuit design requiring precise current control.

Current Regulation - Diodes, Transistors Replacement Considerations

JAN1N5297-1

Current Regulation - Diodes, Transistors FAQ

What is the primary function of the JAN1N5297-1/TR?

It functions as a current regulator diode, maintaining a nearly constant current output regardless of changes in the applied voltage within its operational limits.

Does this component qualify for military specifications?

Yes, the JAN prefix indicates that the device is qualified per MIL-PRF-19500/463 standards for military applications.

What is the maximum operating temperature for this diode?

The device supports operation up to a maximum junction temperature of +175°C.