1N2804B

Overview

The Microchip Technology 1N2804B 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 supports a maximum power dissipation of 50 W and operates within a temperature range of -65°C to +175°C. It utilizes a TO-204AD (TO-3) through-hole package. Key electrical characteristics include a maximum Zener impedance of 0.2 Ohms and a forward voltage of 1.5 V at 10 A.

Feature Summary

• Provides stable voltage regulation across a wide operating temperature range suitable for demanding environments.
• Capable of handling high power dissipation levels for robust circuit protection.
• Constructed in a durable through-hole package designed for reliable mechanical mounting.

Applications

• High-power voltage regulation circuits
• Overvoltage protection systems
• Reference voltage sources in industrial equipment

Procurement Notes

Verify the specific suffix designation when ordering, as variations such as JAN, JANTX, or JANTXV indicate different qualification levels per MIL-PRF-19500/114. Confirm RoHS compliance status, as military-grade variants often do not meet standard environmental directives. Ensure the required tolerance and impedance specifications match the design requirements before procurement.

Selection Notes

Select this component for applications requiring precise voltage reference stability under high thermal stress. The low impedance characteristic ensures effective regulation during transient current changes. Consider the physical size of the TO-204AD package for adequate heat sinking solutions to maintain performance within the specified junction temperature limits.

Part Context

This part belongs to the 1N2804B-1N2846B series of 50 Watt Zener diodes manufactured by Microchip Technology. The series covers a broad range of voltage values from 3.9 V to 200 V. These components are JEDEC registered and offer multiple qualification levels to suit various reliability standards.

Replacement Considerations

The 1N2804RB is listed as a parameter-equivalent alternative. Verify that the RB suffix variant meets all specific military or commercial qualification requirements if those are critical to the application.