JAN1N5284-1

Current Regulation - Diodes, Transistors Overview

The JAN1N5284-1 is a current regulator diode manufactured by Microchip Technology, designed for stable current regulation across a wide voltage range. It features a maximum reverse voltage (Vak) of 100V and a regulated current of 264µA. The device has a maximum power dissipation of 500mW and operates within a temperature range of -65°C to +175°C. Qualified per MIL-PRF-19500/463, it utilizes a DO-7 axial leaded package with internal metallurgical bonding.

Current Regulation - Diodes, Transistors Feature Summary

• Provides constant current regulation over a broad operating voltage and temperature range
• Features high source impedance for effective current limiting applications
• Includes internal metallurgical bond construction for reliability

Current Regulation - Diodes, Transistors Applications

• Constant current sources for LED driving or biasing circuits
• Current limiting protection in sensitive electronic systems
• Reference current generation in precision analog circuits

Current Regulation - Diodes, Transistors Procurement Notes

Verify the specific qualification grade (JAN, JANTX, JANTXV, or JANS) required for your application, as the base part number may have multiple military-grade variants. Confirm RoHS compliance status if environmental regulations apply, noting that commercial versions may differ from qualified levels. Ensure the DO-7 through-hole package matches your PCB footprint requirements.

Current Regulation - Diodes, Transistors Selection Notes

Select this component when a stable microampere-level current is needed independent of supply voltage fluctuations. Compare the 264µA rating against circuit load requirements to ensure adequate headroom. Consider the 100V breakdown voltage limit relative to the maximum expected voltage drop across the device during operation.

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 standard 10% tolerance options ranging from 0.22 mA to 4.7 mA in similar axial packages.

Current Regulation - Diodes, Transistors Replacement Considerations

Check for parametric equivalents such as CD5284 or other 1N5284 variants from Microchip. Verify pinout compatibility and thermal characteristics before substituting with non-military grade parts.