1N4678 TR TIN/LEAD

Single Zener Diodes Overview

The Central Semiconductor Corp 1N4678 TR TIN/LEAD is a single Zener diode with a nominal voltage of 1.8 V and a power dissipation rating of 500 mW. It features a maximum reverse leakage current of 7.5 µA at 1 V and operates within a temperature range of -65 °C to +200 °C. The device utilizes a DO-35-2 through-hole package and is supplied in bulk packaging.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation for low-level applications
• Features internal metallurgical bonding for reliability
• Offers flexible axial-lead mounting terminals

Single Zener Diodes Applications

• Voltage regulation over broad operating currents
• Low-level Zener reference circuits
• Protection against voltage transients

Single Zener Diodes Procurement Notes

Verify the specific tin/lead plating configuration against project requirements, as lead-free alternatives exist within the same series. Confirm that the bulk packaging format aligns with assembly line capabilities. Ensure the 1.8 V Zener voltage meets circuit design specifications before finalizing procurement orders.

Single Zener Diodes Selection Notes

Select this component when a robust axial-lead Zener diode is required for high-temperature environments up to 200 °C. The 500 mW power rating suits moderate current applications. Consider the DO-35 package size for standard through-hole PCB layouts where surface-mount options are unsuitable.

Single Zener Diodes Part Context

This part belongs to the 1N4678 series of 0.5-watt axial-leaded Zener voltage regulators. The series covers a wide voltage selection from 1.8 to 43 volts with standard 5% tolerances. These devices are designed for general-purpose voltage regulation and protection tasks in electronic circuits.

Single Zener Diodes Replacement Considerations

Equivalent parts include the onsemi MMSZ4678T1G for surface mount needs or the Microchip MSP1N4678-1 for hermetic sealed variants. Verify pin compatibility and thermal characteristics when substituting.