1N4624/TR

Overview

The Microchip Technology 1N4624/TR is a single Zener diode designed for voltage regulation applications. It features a nominal Zener voltage of 4.7 V with a tolerance of ±5%. The device operates in a DO-204AH (DO-7) axial through-hole package and supports a maximum power dissipation of 500 mW. Electrical characteristics include a maximum reverse leakage current of 5 µA at 3 V, a Zener impedance of 1550 Ohms, and a test current of 250 µA. The component is rated for an operating temperature range from -65°C to +175°C.

Feature Summary

• Provides stable voltage regulation with a nominal 4.7 V output.
• Capable of operation across a wide industrial temperature range up to 175°C.
• Utilizes a standard axial leaded package for through-hole mounting.

Applications

• Voltage reference circuits
• Overvoltage protection
• Clipping and clamping applications

Procurement Notes

Verify the specific suffix configuration against the official datasheet to ensure compatibility with design requirements. Confirm that the ordering code matches the intended packaging style and compliance status. Cross-reference the manufacturer part number with authorized distributors to validate authenticity and traceability before finalizing procurement decisions.

Selection Notes

Select this component when a precise 4.7 V reference is required within a through-hole design. Ensure the circuit can accommodate the specified 500 mW power dissipation limit under worst-case thermal conditions. Verify that the 1550 Ohm impedance aligns with the noise and stability requirements of the target application environment.

Part Context

This component belongs to the 1N4624 series of silicon Zener diodes manufactured by Microchip Technology. It is part of a broader family of low-power voltage regulator diodes commonly used in electronic circuits requiring reliable voltage stabilization. The device represents a standard industry form factor suitable for general-purpose discrete semiconductor applications.

Replacement Considerations

Consult official substitution guides for compatible equivalents. Verify pinout compatibility and electrical parameter alignment before replacing the original component in existing designs.