BZX84C4V7

Single Zener Diodes Overview

The onsemi BZX84C4V7 is a single silicon planar Zener diode housed in an SOT-23 surface-mount package. It provides a nominal voltage of 4.7 V with a tolerance of ±5%. The device dissipates up to 250 mW at 25°C and operates within a junction temperature range of -55°C to +150°C. Electrical characteristics include a maximum reverse leakage current of 3 µA, a test current of 5 mA, and a Zener impedance of 80 Ω at the test point.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation for reference applications
• Designed for automated board assembly processes
• Small footprint suitable for high-density circuit layouts

Single Zener Diodes Applications

• Voltage reference circuits
• Overvoltage protection stages
• Clamping applications

Single Zener Diodes Procurement Notes

Verify the specific ordering suffix against official documentation to confirm exact electrical tolerances and packaging configurations. Ensure compliance with RoHS directives and material composition requirements relevant to your manufacturing standards before finalizing procurement orders.

Single Zener Diodes Selection Notes

Select this component when a precise 4.7 V reference is required in a compact form factor. Consider the thermal resistance and power dissipation limits relative to ambient operating conditions. Verify that the ±5% tolerance aligns with the design specifications for the target application environment.

Single Zener Diodes Part Context

This part belongs to the BZX84 series of general-purpose Zener diodes manufactured by onsemi. The series utilizes a silicon planar structure optimized for surface-mount technology. It serves as a standard discrete solution for low-power voltage regulation tasks across various consumer and industrial electronics platforms.

Single Zener Diodes Replacement Considerations

BZX84C4V7CA

Single Zener Diodes FAQ

What is the typical Zener impedance at the test current?

The Zener impedance is specified as 80 Ω when measured at a test current of 5 mA.

Does the device support high-frequency operation?

Yes, the datasheet specifies a capacitance value of 260 pF at 0 V reverse bias and 1 MHz frequency.