1N4473C

Single Zener Diodes Overview

The Microchip Technology 1N4473C is a silicon Zener diode designed for voltage regulation applications. It features a nominal Zener voltage of 22V with a tolerance of ±2%. The device is rated for a power dissipation of 1.5W and operates in the unidirectional configuration. It is housed in a DO-41 (DO-204AL) axial through-hole package, suitable for robust circuit integration.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation at a precise 22V nominal level
• Capable of handling 1.5W power dissipation for reliable operation
• Constructed from silicon for consistent performance characteristics

Single Zener Diodes Applications

• Voltage reference circuits requiring precise 22V levels
• Power supply regulation stages
• Overvoltage protection networks

Single Zener Diodes Procurement Notes

Verify the specific suffix designation when ordering to ensure compliance with required environmental or military standards. Confirm that the DO-41 package dimensions match the target PCB layout constraints. Cross-reference the manufacturer part number against current datasheets to validate active status and electrical specifications before finalizing procurement decisions.

Single Zener Diodes Selection Notes

Select this component when a fixed 22V regulation point is required within a 1.5W power budget. Ensure the operating temperature range aligns with system requirements. Verify that the axial leaded format fits the assembly process. Consider the ±2% tolerance if tighter voltage accuracy is necessary for the specific application design.

Single Zener Diodes Part Context

This component belongs to the standard Zener diode family manufactured by Microchip Technology. It utilizes the legacy 1N4473 designation, indicating its classification as a general-purpose voltage regulator diode. The DO-41 package provides a standardized footprint compatible with existing through-hole manufacturing infrastructure.

Single Zener Diodes Replacement Considerations

Equivalent parts include JAN1N4473C for qualified variants. Other manufacturers may offer direct replacements under the same 1N4473 designation, provided they meet the 22V, 1.5W, and DO-41 package specifications.