BZT52C12-HF

Single Zener Diodes Overview

The BZT52C12-HF is a single Zener diode manufactured by Comchip Technology, designed for surface-mount applications in the SOD-123 package. It features a nominal Zener voltage of 12 V with a tolerance of ±5%. The device supports a power dissipation of 500 mW and operates within a temperature range of -55°C to +150°C. Key electrical parameters include a maximum reverse leakage current of 100 nA, a Zener impedance of 22 Ohms at a test current of 5 mA, and a forward voltage of 900 mV.

Single Zener Diodes Feature Summary

• Planar die construction for stable voltage regulation
• Halogen-free composition compliant with environmental standards
• Low-profile SMD package suitable for automated assembly

Single Zener Diodes Applications

• Voltage reference circuits
• Overvoltage protection
• Clamping applications

Single Zener Diodes Procurement Notes

Verify the specific datasheet version for the BZT52C12-HF before integration, as manufacturing specifications may be updated. Confirm RoHS compliance status directly with Comchip Technology or authorized distributors. Ensure the SOD-123 footprint matches the PCB design requirements. Check for any recent production change notices that might affect pinout or material composition.

Single Zener Diodes Selection Notes

Select this component when a 12 V regulation point is required with moderate precision. The 500 mW rating allows for higher current handling compared to lower-power variants. The SOD-123 package offers a balance between thermal performance and board space efficiency. Consider the 22 Ohm impedance for dynamic load conditions.

Single Zener Diodes Part Context

This part belongs to the BZT52C series of Zener diodes from Comchip Technology. The series provides various voltage options housed in the low-profile SOD-123 package. These devices are engineered for general-purpose voltage regulation and protection tasks in consumer and industrial electronics.

Single Zener Diodes Replacement Considerations

Direct substitutes include other manufacturers' SOD-123 Zener diodes with identical 12 V nominal voltage, 500 mW power rating, and ±5% tolerance. Verify pin compatibility and thermal characteristics before substitution.