BZX84C18 RFG

Single Zener Diodes Overview

The BZX84C18 RFG is a single Zener diode manufactured by Taiwan Semiconductor Corporation, designed for surface-mount applications in the SOT-23 package. It features a nominal Zener voltage of 18 V with a tolerance of ±5%. The device supports a maximum power dissipation of 300 mW and operates within a junction temperature range of -65°C to +150°C. Key electrical characteristics include a maximum reverse leakage current of 100 nA at 12.6 V, a Zener impedance of 45 Ohms, and a forward voltage of 900 mV at 10 mA.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation with a nominal 18 V Zener breakdown point.
• Utilizes a compact SOT-23 surface-mount footprint for automated assembly.
• Ensures low leakage current performance under reverse bias conditions.

Single Zener Diodes Applications

• Voltage reference circuits requiring precise potential levels.
• Overvoltage protection stages in signal conditioning paths.
• Clamping applications in general-purpose electronic systems.

Single Zener Diodes Procurement Notes

Verify component authenticity through official manufacturer channels or authorized distributors. Confirm RoHS compliance status and REACH registration details prior to integration. Ensure packaging specifications match production requirements, as standard factory packing quantities may vary. Cross-reference datasheet revisions to guarantee parameter consistency with design specifications.

Single Zener Diodes Selection Notes

Select this component when a 18 V regulation point is required in space-constrained designs. The SOT-23 package offers a balance between thermal performance and board area efficiency. Consider the 300 mW power rating against expected operating currents to ensure adequate thermal headroom. Verify that the ±5% voltage tolerance aligns with circuit precision requirements.

Single Zener Diodes Part Context

This part belongs to the BZX84 series of small-signal Zener diodes produced by Taiwan Semiconductor Corporation. The series is widely utilized in consumer electronics and industrial control systems for basic voltage regulation tasks. The RFG suffix typically denotes specific tape-and-reel packaging configurations intended for high-volume surface-mount manufacturing processes.

Single Zener Diodes Replacement Considerations

BZX84C18LT3G

Single Zener Diodes FAQ

What is the maximum reverse leakage current specified for this device?

The maximum reverse leakage current is 100 nA, measured at a reverse voltage of 12.6 V.

Does this component meet automotive reliability standards?

Public documentation does not confirm AEC-Q101 qualification for the BZX84C18 RFG variant; verification with the manufacturer is required for automotive applications.