AZ23C12-7

Overview

The AZ23C12-7-F is a dual surface mount Zener diode manufactured by Diodes Incorporated, housed in an SOT-23 package. It features a common anode configuration with a maximum power dissipation of 300 mW. The nominal Zener voltage is 12 V, operating within a range of 11.4 V to 12.7 V at a test current of 5.0 mA. Maximum Zener impedance is specified as 20 Ω at IZT = 5.0 mA and 90 Ω at IZK = 1.0 mA. The typical temperature coefficient is +0.075 %/°C, and the maximum reverse leakage current is 0.1 µA at VR = 9.0 V. The device operates within a junction temperature range of -65 °C to +150 °C.

Feature Summary

• Dual Zener diodes integrated into a single common anode configuration for space-efficient circuit design.
• High reliability qualification meeting JEDEC standards for robust performance in demanding environments.
• Environmentally compliant construction featuring lead-free terminals and halogen-free molding compound.

Applications

• Voltage reference circuits requiring stable dual potential levels.
• Overvoltage protection stages in signal conditioning paths.
• Clamping applications in high-reliability electronic assemblies.

Procurement Notes

Verify that the ordering suffix matches the required commercial grade specification. Confirm the package type aligns with the PCB footprint requirements. Ensure the manufacturer source is authorized to guarantee component authenticity and traceability. Cross-reference the date code and marking information against production records for quality assurance purposes.

Selection Notes

Select this component when a dual Zener array with a common anode topology is required. Verify that the 300 mW power dissipation rating meets the thermal constraints of the application. Check that the 12 V breakdown voltage falls within the acceptable tolerance band for the target circuit. Consider the SOT-23 package dimensions for spatial limitations on the printed circuit board layout.

Part Context

This part belongs to the AZ23C series of dual surface mount Zener diodes produced by Diodes Incorporated. The series offers various voltage options ranging from 2.7 V to 51 V within the same SOT-23 form factor. The product line is designed for automated insertion processes and provides consistent electrical characteristics across the voltage range.

Replacement Considerations

The DZ23 series serves as a common cathode alternative within the same manufacturer portfolio. Other manufacturers offer equivalent dual Zener devices in SOT-23 packages; verify pinout compatibility and electrical parameters before substitution.

FAQ

What is the maximum Zener impedance for the AZ23C12-7-F?

The maximum Zener impedance is 20 Ω at a test current of 5.0 mA and 90 Ω at a test current of 1.0 mA.

Does the AZ23C12-7-F meet automotive qualification standards?

No, the AZ23C12-7-F is a commercial grade device. Automotive qualified versions are available with the Q-suffix (e.g., AZ23C12Q-7-F).

What is the typical temperature coefficient for this device?

The typical temperature coefficient for the AZ23C12-7-F is +0.075 %/°C.