1N4747AG/TR

Overview

The Microchip Technology 1N4747AG/TR is a single silicon Zener diode designed for voltage regulation applications. It features a nominal Zener voltage of 20 V with a tolerance of 5%. The device operates in an axial DO-41 package and supports a power dissipation of 1 W. Key electrical characteristics include a maximum reverse leakage current of 100 nA, a Zener impedance of 22 Ohms, and a test current of 12.5 mA. It functions within a temperature range of -65°C to +175°C.

Feature Summary

• Provides stable voltage regulation at a nominal 20 V level
• Capable of handling 1 W power dissipation in an axial leaded package
• Operates reliably across an extended industrial temperature range up to 175°C

Applications

• Voltage reference circuits requiring precise potential levels
• Overvoltage protection stages in electronic systems
• General-purpose voltage regulation tasks

Procurement Notes

Verify the specific suffix AG/TR against official Microchip documentation to confirm axial packaging and reel format specifications. Ensure the requested quantity aligns with standard manufacturing lot sizes. Cross-reference the part number with authorized distributors to validate authenticity and traceability before finalizing procurement orders.

Selection Notes

Select this component when a 20 V regulation point is required with high thermal stability. The DO-41 axial package facilitates through-hole mounting. Verify that the 1 W power rating and 22 Ohm impedance meet the circuit's load requirements. Confirm compatibility with the operating environment's temperature extremes.

Part Context

This component belongs to the 1N47xx series of Zener diodes manufactured by Microchip Technology. The series offers various voltage options within the DO-41 axial package. These devices are engineered for robust performance in demanding electronic environments, providing consistent regulation characteristics across wide temperature variations.

Replacement Considerations

Consult official substitution guides for compatible equivalents. Verify pinout compatibility and ensure replacement parts match the 20 V Zener voltage, 1 W power rating, and DO-41 package dimensions.