1N4618/TR

Single Zener Diodes Overview

The Microchip Technology 1N4618/TR is a single Zener diode designed for voltage regulation applications. It features a nominal Zener voltage of 2.7 V with a tight tolerance of 1%. The device operates in a DO-204AH (DO-35) through-hole package and dissipates up to 500 mW. Key electrical parameters include a maximum reverse leakage current of 500 nA, a Zener impedance of 1.5 kΩ, and a test current of 250 µA. It supports an extended operating temperature range from -65°C to +175°C.

Single Zener Diodes Feature Summary

• Provides precise voltage regulation with 1% tolerance at 2.7 V
• Operates reliably in extreme environments from -65°C to +175°C
• Features low reverse leakage current for high-impedance stability

Single Zener Diodes Applications

• Precision voltage reference circuits
• Over-voltage protection stages
• Temperature-compensated bias networks

Single Zener Diodes Procurement Notes

Verify the specific suffix against official Microchip documentation to confirm packaging and qualification level. The /TR suffix indicates tape and reel packaging; ensure compatibility with automated assembly equipment. Confirm RoHS status and military qualification requirements if applicable to the target design.

Single Zener Diodes Selection Notes

Select this component when a stable 2.7 V reference is required with minimal leakage current. The wide temperature range makes it suitable for harsh industrial or aerospace environments. Ensure the circuit can accommodate the 500 mW power dissipation limit under worst-case thermal conditions.

Single Zener Diodes Part Context

This part belongs to the standard 1N46xx series of glass-passivated Zener diodes manufactured by Microchip Technology. These components are widely used in general-purpose electronics for clamping and regulation tasks. The 1N4618 variant specifically targets low-voltage regulation needs within the series lineup.

Single Zener Diodes Replacement Considerations

Cross-reference with other manufacturers' 1N4618 equivalents. Verify pinout compatibility and ensure that alternative parts meet the same 1% voltage tolerance and 500 mW power rating specifications.