1N4699-1E3

Overview

The Microchip Technology 1N4699-1E3 is a single silicon Zener diode designed for voltage regulation applications. It features a nominal Zener voltage of 12 V with a tolerance of 5%. The device is rated for a power dissipation of 500 mW and utilizes a DO-35 axial through-hole package. It operates within a temperature range of -65°C to +175°C junction temperature. The component complies with RoHS standards, indicated by the E3 suffix.

Feature Summary

• Provides stable voltage regulation at a nominal 12 V reference level
• Capable of handling 500 mW power dissipation in a compact form factor
• Engineered for reliable operation across extended industrial temperature ranges

Applications

• Voltage reference circuits requiring precise potential levels
• Overvoltage protection stages in electronic systems
• General-purpose voltage regulation tasks

Procurement Notes

Verify the specific ordering suffix against official Microchip documentation to ensure compliance with environmental regulations and packaging requirements. Confirm that the DO-35 through-hole configuration matches the target PCB layout constraints. Cross-reference the 12 V nominal voltage specification with circuit design parameters to ensure adequate margin for tolerance variations during procurement planning.

Selection Notes

Select this component when a robust, high-temperature capable Zener diode is required for critical voltage regulation. The 500 mW rating supports moderate current loads, while the wide operating temperature range suits demanding environments. Ensure the 5% voltage tolerance aligns with the application's precision requirements before finalizing the design choice.

Part Context

This part belongs to the standard Zener diode family manufactured by Microchip Technology. It serves as a fundamental discrete semiconductor component used for establishing fixed voltage points or protecting sensitive downstream electronics from voltage spikes. The product line emphasizes durability and consistent performance across various industrial and commercial sectors.

Replacement Considerations

Consult official Microchip substitution guides for verified equivalents. Generic replacements may not match the specified temperature range or voltage tolerance.