1N4712

Overview

The Microchip Technology 1N4712 is a silicon planar Zener diode designed for voltage regulation applications. It features a nominal Zener voltage of 4.7V with a standard tolerance of ±5%. The device operates in an axial DO-41 package and handles a power dissipation of 1W. Electrical characteristics are defined at a test current of 23mA, with a maximum reverse leakage current of 5µA and a Zener impedance of 8 ohms. The component supports a wide operating temperature range from -65°C to +150°C.

Feature Summary

• Utilizes silicon planar technology for stable voltage regulation
• Provides standard Zener voltage tolerance of ±5%
• Designed for high stability and low noise performance

Applications

• Voltage stabilization circuits
• Reference voltage generation
• Overvoltage protection

Procurement Notes

Verify the manufacturer source carefully as the 1N4712 designation is used by multiple vendors including Central Semiconductor and MACOM. Confirm that the specific unit matches Microchip Technology specifications regarding electrical parameters and marking. Ensure the package type and pin configuration align with your design requirements before finalizing procurement.

Selection Notes

Select this component when a 4.7V reference is required with ±5% accuracy. Consider the 1W power rating and axial DO-41 package constraints for thermal management and PCB layout. Verify compatibility with the intended test current conditions and operating temperature range for the specific application environment.

Part Context

The 1N4712 belongs to the standard 1N47xx series of Zener diodes. This series is widely recognized for general-purpose voltage regulation tasks. Microchip Technology produces variants within this family, adhering to established industry electrical standards while ensuring quality and reliability through their manufacturing processes.

Replacement Considerations

Cross-reference with other manufacturers' 1N4712 parts such as those from Central Semiconductor or General Semiconductor. Ensure electrical parameters like Zener voltage, tolerance, and power dissipation match exactly. Verify package compatibility and thermal characteristics before substitution.