TZX4V3B-TAP

Single Zener Diodes Overview

The TZX4V3B-TAP is a small signal Zener diode from the Vishay TZX-Series, housed in a DO-35 (DO-204AH) glass package. It features a nominal Zener voltage range of 4.1 V to 4.3 V with a test current of 5 mA. The device supports a maximum power dissipation of 500 mW and operates within a junction temperature range of -65 °C to +175 °C. Electrical characteristics include a maximum reverse leakage current of 1.5 µA at 1.5 V and a dynamic resistance of 100 Ω at the test current.

Single Zener Diodes Feature Summary

• Very sharp reverse characteristic for precise regulation
• Low reverse current level ensuring minimal leakage
• Very high stability under varying conditions
• Low noise performance suitable for sensitive circuits

Single Zener Diodes Applications

• Voltage stabilization

Single Zener Diodes Procurement Notes

Verify the specific ordering code suffix against official documentation to confirm packaging details. Confirm that the component meets material categorization compliance requirements as defined by the manufacturer. Ensure the procurement channel provides valid traceability for the Vishay Semiconductors product line.

Single Zener Diodes Selection Notes

Select this component when a stable reference voltage near 4.2 V is required in a through-hole configuration. Consider the thermal resistance and lead length dependencies for power dissipation calculations. Evaluate the low noise and stability features against circuit sensitivity requirements before finalizing the design.

Single Zener Diodes Part Context

This part belongs to the TZX-Series of small signal Zener diodes manufactured by Vishay Semiconductors. The series offers a wide Zener voltage range from 2.4 V to 36 V. The TZX4V3B variant specifically targets applications requiring tight voltage tolerance and low leakage in a standard axial leaded package.

Single Zener Diodes Replacement Considerations

Consult the official datasheet for equivalent part numbers within the same series or cross-reference tables provided by authorized distributors. Verify pinout compatibility and electrical parameter overlaps before substituting.