1N2804A

Overview

The Microchip Technology 1N2804A is a high-power Zener diode designed for voltage regulation applications. It features a nominal Zener voltage of 6.8 V with a tolerance of ±5%. The device is rated for a maximum power dissipation of 50 W and utilizes the TO-204AD (TO-3) through-hole package. Key electrical characteristics include a maximum reverse leakage current of 150 µA at 4.5 V and a forward voltage drop of 1.5 V at 10 A. The unit operates within a temperature range of -65°C to +175°C.

Feature Summary

• Provides stable voltage regulation with a nominal 6.8 V output.
• Capable of handling high power dissipation up to 50 W.
• Constructed in a robust TO-204AD (TO-3) through-hole package.

Applications

• High-power voltage regulation circuits
• Industrial power supply protection
• Overvoltage clamping in heavy-duty equipment

Procurement Notes

Verify component authenticity by checking manufacturer markings against official datasheet specifications. Confirm the specific suffix indicates standard tolerance rather than tighter variants like 'B' or 'RB'. Ensure procurement channels are authorized to guarantee compliance with environmental regulations such as RoHS status, which may vary by production batch.

Selection Notes

Select this component when a 6.8 V reference point is required in high-current environments. The TO-204AD package necessitates adequate heatsinking due to the 50 W rating. Compare against similar series parts if tighter voltage tolerances or different packaging styles are needed for the specific application constraints.

Part Context

This part belongs to the 1N28xx series of high-power Zener diodes manufactured by Microchip Technology. These components are widely used in industrial and military-grade electronics where reliability under high thermal stress is critical. The series offers various voltage ratings while maintaining consistent mechanical and thermal performance profiles across the product line.

Replacement Considerations

The 1N2804B and 1N2804RB are documented parameter-equivalent substitutes from Microchip Technology. Verify that the replacement variant meets the specific tolerance requirements of the circuit design before implementation.