BZT52C18-7-F

Single Zener Diodes Overview

The BZT52C18-7-F is a surface mount Zener diode manufactured by Diodes Incorporated, housed in an SOD123 package. It features a nominal Zener voltage of 18 V with a tolerance range of 16.8 V to 19.1 V at a test current of 5 mA. The device supports up to 500 mW power dissipation at a lead temperature of +75°C and operates within a junction temperature range of -65°C to +150°C. Maximum Zener impedance is specified at 45 Ω, with a reverse leakage current not exceeding 0.1 µA at 12.6 V.

Single Zener Diodes Feature Summary

• Utilizes planar die construction for robust performance.
• Designed for automated assembly processes.
• Compliant with RoHS directives and halogen-free standards.

Single Zener Diodes Applications

• General purpose voltage regulation
• Medium current circuit protection
• Automotive electronics (requires Q-qualified variants)

Single Zener Diodes Procurement Notes

Verify the specific ordering suffix to confirm packaging quantity and automotive qualification status. The '-7-F' designation indicates commercial grade availability in 3,000-unit tape and reel packaging. Confirm that the component meets all applicable environmental compliance requirements for the intended deployment region before finalizing procurement orders.

Single Zener Diodes Selection Notes

Select this component when a 18 V reference or clamp is required in space-constrained designs utilizing the SOD123 footprint. Ensure the application current remains within the 5 mA test parameter limits to maintain voltage accuracy. Consider thermal derating curves if ambient temperatures exceed standard operating conditions.

Single Zener Diodes Part Context

This part belongs to the BZT52C series of surface mount Zener diodes produced by Diodes Incorporated. The series spans various voltage ratings from 2.0 V to 51 V, sharing common mechanical dimensions and manufacturing processes. The BZT52C18 variant specifically addresses mid-range voltage stabilization needs within this standardized product family.

Single Zener Diodes Replacement Considerations

Cross-reference with other manufacturers offering SOD123 packaged Zener diodes rated at 18 V with comparable power dissipation capabilities. Verify pinout polarity and physical dimensions match the existing PCB layout before substitution.

Single Zener Diodes FAQ

What is the maximum Zener impedance for the BZT52C18-7-F?

The maximum Zener impedance is 45 Ω, measured at a frequency of 1 kHz.

Is the BZT52C18-7-F qualified for automotive applications?

No, the '-7-F' suffix denotes commercial grade. Automotive qualification requires the 'Q' suffix, such as BZT52C18Q-7-F.