JANS1N5283-1

Current Regulation - Diodes, Transistors Overview

The JANS1N5283-1 is a current regulator diode manufactured by Microchip Technology, designed for high-reliability applications. It operates with a maximum peak working voltage of 100 V and maintains a regulated current of 242 uA. The device features a maximum limit voltage of 1 V and supports a power dissipation of 500 mW. It utilizes a DO-7-2 axial leaded package suitable for through-hole mounting. The component functions within an operating temperature range from -65 C to +175 C. Key electrical characteristics include a minimum dynamic impedance of 25 mohms and a minimum knee impedance of 2.75 mohms.

Current Regulation - Diodes, Transistors Feature Summary

• Provides stable current regulation over a broad voltage range
• Qualified per MIL-PRF-19500/463 for space and military use
• Features double-plug internal bond connection in DO-7 packaging

Current Regulation - Diodes, Transistors Applications

• Spacecraft electronic systems requiring radiation-hardened components
• Military avionics and defense equipment
• High-reliability current limiting circuits

Current Regulation - Diodes, Transistors Procurement Notes

Verify the specific ordering suffix to confirm the JANS qualification level, which denotes space-grade reliability. Ensure the procurement documentation includes the required test reports and traceability certificates mandated by MIL-PRF-19500/463 standards. Confirm that the component matches the specified DO-7-2 package dimensions and terminal configurations for proper integration into the target assembly.

Current Regulation - Diodes, Transistors Selection Notes

Select this component when a fixed low-current regulation value near 242 uA is required in harsh environments. Compare against commercial variants if radiation hardness is not necessary, as they may offer different cost structures. Verify that the 500 mW power rating and 100 V voltage capability align with the circuit's operational limits and thermal management requirements.

Current Regulation - Diodes, Transistors Part Context

This part belongs to the 1N5283-1 through 1N5314-1 series of current regulator diodes produced by Microchip Technology. The series offers various current values ranging from 0.22 mA to 4.7 mA in standard tolerances. These devices serve as counterparts to Zener diodes, regulating current rather than voltage, and are available in multiple qualification levels including JAN, JANTX, JANTXV, and JANS.

Current Regulation - Diodes, Transistors Replacement Considerations

Direct substitutes include other JANS-qualified parts from the same series, such as JANS1N5283UR-1 for surface mount applications. Commercial equivalents like the standard 1N5283-1 lack the required radiation hardness and should only be considered if environmental conditions permit.