BZT52C43-E3-18

Single Zener Diodes Overview

The BZT52C43-E3-18 is a silicon planar Zener diode manufactured by Vishay General Semiconductor - Diodes Division. It provides a nominal Zener voltage of 43 V with a tolerance of ±5%. The device operates in the SOD-123 surface-mount package and supports a maximum power dissipation of 500 mW at ambient temperature, reducing to 300 mW on an FR-4 board. It features a dynamic resistance of 97 Ω at a test current of 2 mA and maintains an operating junction temperature range from -55 °C to +150 °C.

Single Zener Diodes Feature Summary

• Utilizes silicon planar technology for stable voltage regulation within the E24 standard grading.
• Offers high electrostatic discharge (ESD) protection capability exceeding 8 kV via human body model standards.
• Complies with RoHS directives and meets material categorization requirements for commercial grade applications.

Single Zener Diodes Applications

• Voltage reference circuits requiring precise potential levels
• Overvoltage protection stages in electronic systems
• Clamping applications for transient suppression

Single Zener Diodes Procurement Notes

Verify component authenticity through authorized distribution channels. Confirm that the ordering code matches the specific suffix requirements for tape and reel packaging. Ensure compliance with relevant environmental regulations before integration into final assemblies.

Single Zener Diodes Selection Notes

Select this component when a 43 V Zener voltage is required in a compact SOD-123 footprint. Consider the thermal derating characteristics if operating in enclosed environments or elevated temperatures. Validate electrical parameters against specific circuit requirements during design phase.

Single Zener Diodes Part Context

This part belongs to the BZT52 series of small signal Zener diodes designed for general-purpose voltage regulation tasks. The series encompasses various voltage ratings standardized according to international specifications, providing designers with a broad selection of options for different circuit needs.

Single Zener Diodes Replacement Considerations

BZT52C43-E3-08

Single Zener Diodes FAQ

What is the dynamic resistance value specified for this component?

The datasheet specifies a maximum dynamic resistance of 97 Ω measured at a test current of 2 mA.

Does this component meet automotive reliability standards?

No, the base P/N-E3 designation indicates a commercial grade product. Automotive qualification is available only for the HE3_A variant within the same series.