DZ23C39-G3-18

Overview

The DZ23C39-G3-18 is a silicon planar Zener diode from the Vishay DZ23-G series, housed in an SOT-23 surface-mount package. It features a nominal Zener voltage of 39 V with a standard tolerance of ±5 %. The device operates at a test current of 2 mA and dissipates up to 300 mW on an FR-4 board. Electrical characteristics include a maximum reverse leakage current of 50 nA at 38 V, a dynamic resistance of 87 Ω at 2 mA, and a temperature coefficient ranging from 10 to 12 x 10⁻⁴/°C. It supports an operating temperature range from -55 °C to +150 °C.

Feature Summary

• Dual common cathode configuration within a compact SOT-23 footprint
• Graded Zener voltages conforming to international E24 standards
• ESD protection capability exceeding 8 kV via human body model

Applications

• Voltage reference circuits requiring stable DC levels
• Overvoltage protection for sensitive electronic components
• Clamping applications in signal processing paths

Procurement Notes

Verify the specific ordering code suffix against the manufacturer's documentation to confirm packaging details. Confirm that the component meets RoHS compliance requirements for the intended market. Ensure the procurement channel provides valid traceability for the Vishay Semiconductors origin.

Selection Notes

Select this component when a precise 39 V regulation point is required in space-constrained designs. Evaluate the thermal resistance parameters if the application involves high ambient temperatures or limited airflow. Compare the dynamic resistance specifications against other series members to ensure adequate performance under varying load conditions.

Part Context

This part belongs to the DZ23-G series of small signal Zener diodes manufactured by Vishay. The series offers a wide range of standardized voltage values in a single dual common cathode package type. The G3 suffix indicates green commercial grade material categorization compliant with environmental directives.

Replacement Considerations

Direct replacements within the same family include DZ23C39-E3-18. Verify pinout compatibility and electrical tolerances before substituting with devices from other manufacturers.