MMSZ4711-HF

Single Zener Diodes Overview

The MMSZ4711-HF is a Zener diode manufactured by Comchip Technology, designed for surface-mount applications in the DO-214AC (SMB) package. It provides a nominal Zener voltage of 3.9V with a power dissipation rating of 1W. The device features a tight voltage tolerance of 5% and operates within a temperature range of -55°C to +150°C. Key electrical characteristics include a maximum reverse leakage current of 50µA and a Zener impedance of 9 ohms at a test current of 64mA.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation via Zener breakdown mechanism
• Engineered for high thermal stability across extended industrial temperature ranges
• Optimized for surface-mount assembly processes

Single Zener Diodes Applications

• Voltage reference circuits
• Over-voltage protection stages
• Clamping applications in power supplies

Single Zener Diodes Procurement Notes

Verify the specific manufacturer datasheet for the MMSZ4711-HF to confirm exact electrical tolerances and thermal ratings prior to integration. Ensure that the selected component meets all relevant RoHS compliance requirements for the target market. Cross-reference official documentation to validate package dimensions and pinout configurations against the design specifications.

Single Zener Diodes Selection Notes

Select this component when a 1W surface-mount Zener diode with a 3.9V nominal voltage is required. Consider the DO-214AC package size for PCB layout constraints. Evaluate the 5% voltage tolerance and 9-ohm impedance parameters against circuit sensitivity requirements. Confirm that the operating temperature range aligns with the environmental conditions of the final application.

Single Zener Diodes Part Context

This component belongs to the family of surface-mount Zener diodes produced by Comchip Technology. These devices are commonly utilized in electronic systems requiring reliable voltage regulation or transient suppression. The SMB package offers a balance between power handling capability and compact footprint suitable for modern printed circuit board designs.

Single Zener Diodes Replacement Considerations

Consult official manufacturer substitution guides for verified equivalent part numbers. Do not assume functional compatibility based solely on package similarity. Verify that any alternative component matches the required voltage, power, and impedance specifications.