1N4699-1/TR

Overview

The Microchip Technology 1N4699-1/TR 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 operates in a DO-35 (DO-204AH) through-hole package and dissipates up to 500 mW. Key electrical parameters include a maximum reverse leakage current of 50 nA, a test current of 50 µA, and a forward voltage of 1.1 V. It supports an operating temperature range from -65 °C to +175 °C.

Feature Summary

• Provides stable voltage regulation using a single unidirectional silicon junction.
• Capable of handling power dissipation up to 500 mW in a compact axial leaded form factor.
• Engineered for low leakage current operation to minimize standby power consumption.

Applications

• General-purpose voltage reference circuits
• Overvoltage protection stages
• Biasing networks in analog signal processing

Procurement Notes

Verify the specific suffix designation against the manufacturer's current datasheet to confirm packaging type and compliance status. Ensure the procurement channel provides valid traceability documentation. Confirm that the component meets the required environmental standards for the intended deployment environment before finalizing orders.

Selection Notes

Select this component when a precise 12 V reference is required in a through-hole assembly. Consider the ±5% tolerance and thermal characteristics relative to the circuit's power dissipation limits. Evaluate the DO-35 package constraints against available board space and mounting requirements.

Part Context

This part belongs to the standard Zener diode family manufactured by Microchip Technology. It utilizes planar silicon technology housed in a glass-passivated DO-35 case. The series is commonly used in industrial and commercial electronics requiring reliable voltage clamping or reference functions.

Replacement Considerations

Cross-reference with other manufacturers offering 12 V, 500 mW Zener diodes in DO-35 packages. Verify pinout compatibility and ensure equivalent electrical specifications such as impedance and leakage current are met.

FAQ

What is the maximum operating temperature for the 1N4699-1/TR?

The maximum operating temperature is +175 °C.

Does the 1N4699-1/TR support surface mount installation?

No, it is designed for through-hole mounting in a DO-35 package.