DZ23C27-E3-18

Overview

The DZ23C27-E3-18 is a silicon planar Zener diode from the Vishay DZ23 series, housed in an SOT-23 surface-mount package. It provides a nominal Zener voltage of 27 V with a standard tolerance of ±5 %. The device operates within a test current range of 2 to 5 mA and features a maximum reverse leakage current of 0.05 µA at specified voltages. Dynamic resistance is rated at a maximum of 80 Ω at the test current. It supports a power dissipation of up to 500 mW and functions across a temperature range of -55 °C to +150 °C.

Feature Summary

• Silicon planar construction for reliable voltage regulation
• ESD protection capability exceeding 8 kV via human body model
• RoHS-compliant commercial grade material categorization

Applications

• Voltage reference circuits requiring stable DC levels
• Overvoltage protection stages in signal conditioning paths
• Clamping applications in low-power electronic assemblies

Procurement Notes

Verify component authenticity by cross-referencing the manufacturer part number against official Vishay documentation. Confirm that the ordering suffix matches the required reel quantity and tape specifications. Ensure compliance with RoHS directives and material categorization requirements before finalizing procurement orders.

Selection Notes

Select this component when a 27 V regulation point is required in a compact SOT-23 footprint. Consider the ±5 % tolerance and dynamic impedance characteristics for circuit stability. Verify thermal management needs against the 500 mW dissipation limit under expected ambient conditions.

Part Context

This device belongs to the DZ23 series of small signal Zener diodes manufactured by Vishay Semiconductors. The series offers a wide range of standardized voltage values graded according to the E24 standard. The specific part utilizes the E3 suffix indicating RoHS compliance and lead-free termination suitable for standard surface-mount assembly processes.

Replacement Considerations

Direct substitutes include other DZ23 series variants with identical packaging and electrical profiles. Cross-reference alternative manufacturers offering SOT-23 packaged Zener diodes with matching 27 V nominal ratings and comparable dynamic resistance specifications.