1N4744AG/TR

Overview

The Microchip Technology 1N4744AG/TR is a single silicon planar Zener diode designed for voltage regulation applications. It features a nominal Zener voltage of 24 V with a tolerance of ±5%. The device operates in an axial DO-41 package and supports a maximum power dissipation of 1 W. Key electrical parameters include a test current of 10.5 mA, a maximum reverse leakage current of 100 nA, and a Zener impedance of 25 Ohms. The component maintains a forward voltage of 1.2 V at 200 mA and functions within a temperature range of -65°C to +175°C.

Feature Summary

• Provides stable voltage regulation using a single silicon planar Zener configuration
• Supports high-temperature operation up to 175°C junction temperature
• Features low reverse leakage current for efficient standby performance
• Utilizes an axial leaded package suitable for through-hole mounting

Applications

• Voltage reference circuits requiring precise 24 V levels
• Overvoltage protection stages in electronic systems
• Power supply regulation modules operating under thermal stress

Procurement Notes

Verify the specific suffix AG/TR against official Microchip documentation to confirm tape-and-reel packaging and glass-passivated construction. Ensure compatibility with DO-41 footprint requirements during integration. Cross-reference datasheet revisions to validate current manufacturing status and environmental compliance details before finalizing procurement plans.

Selection Notes

Select this component when a robust 24 V regulation point is required in high-temperature environments. The DO-41 axial package facilitates easy insertion into legacy or space-constrained through-hole designs. Consider the 1 W power rating and 25 Ohm impedance characteristics to ensure adequate performance margins in the target circuit topology.

Part Context

This part belongs to the standard 1N47xx series of power Zener diodes manufactured by Microchip Technology. The series offers various voltage options within the DO-41 package form factor. The 1N4744 variant specifically targets the 24 V segment, providing a reliable solution for general-purpose voltage regulation tasks across industrial and commercial electronics sectors.

Replacement Considerations

Consult official Microchip substitution guides for verified equivalents. Generic replacements must match the 24 V Zener voltage, 1 W power rating, and DO-41 axial package dimensions to ensure mechanical and electrical compatibility.