1N4900

Single Zener Diodes Overview

The Microchip Technology 1N4900 is a Zener diode with a nominal voltage of 12.8 V and a tolerance of ±5%. It features a maximum power dissipation of 400 mW and a maximum impedance of 200 Ohms. Designed for through-hole mounting in DO-7 (DO-204AA) axial packages, it operates within a temperature range of -55°C to +100°C.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation at a nominal 12.8 V level
• Constructed for reliable through-hole axial mounting applications
• Engineered to withstand operating temperatures from -55°C to +100°C

Single Zener Diodes Applications

• Voltage reference circuits requiring stable DC levels
• Overvoltage protection for sensitive electronic components
• General-purpose voltage regulation in low-power systems

Single Zener Diodes Procurement Notes

Verify the specific package type and tolerance requirements against your design specifications before procurement. Confirm that the 400 mW power rating and 200 Ohm impedance are suitable for your circuit's thermal and electrical conditions. Ensure compatibility with through-hole assembly processes and verify that the operating temperature range meets your environmental needs.

Single Zener Diodes Selection Notes

Select this component when a precise 12.8 V Zener reference is required in a standard axial package. Consider the 400 mW power limit and ±5% voltage tolerance during circuit design. Evaluate if the through-hole form factor aligns with your PCB layout constraints and manufacturing capabilities compared to surface-mount alternatives.

Single Zener Diodes Part Context

This device belongs to the 1N4900 series of Zener diodes manufactured by Microchip Technology. It serves as a fundamental discrete semiconductor component for voltage regulation tasks. The part utilizes a standard DO-7 axial leaded package, ensuring compatibility with traditional through-hole printing and assembly techniques used in various industrial and consumer electronics applications.

Single Zener Diodes Replacement Considerations

Cross-reference with other 12.8 V Zener diodes in the DO-7 package. Verify equivalent power ratings and impedance values to ensure functional compatibility without redesigning the surrounding circuitry.