1N4754A-TR

Overview

The Vishay 1N4754A-TR is a silicon planar power Zener diode in the DO-41 (DO-204AL) axial leaded package. It provides a nominal Zener voltage of 39 V with a standard tolerance of ±5%. The device operates at a test current of 6.5 mA and features a maximum reverse leakage current of 5 µA at 29.7 V. Its dynamic resistance is specified at 60 Ω, while the surge current capability reaches 115 mA. The component supports a peak power dissipation of 1300 mW under transient conditions and functions within a junction temperature range up to 175 °C.

Feature Summary

• Silicon planar construction for high power rating applications
• Standardized Zener voltage tolerance of ±5%
• Single circuit configuration for voltage stabilization

Applications

• Voltage stabilization circuits
• High power clipping circuits

Procurement Notes

Verify the specific ordering code suffix against the manufacturer's official documentation to confirm the tape and reel packaging format. Confirm that the requested quantity aligns with the minimum order requirements defined for the series. Ensure compliance with material categorization standards by referencing the appropriate Vishay documentation link provided in the datasheet.

Selection Notes

Select this component when a stable reference voltage near 39 V is required in through-hole designs. Evaluate the thermal resistance and power dissipation limits relative to the expected ambient operating temperature. Consider the dynamic impedance characteristics for signal integrity in precision regulation tasks.

Part Context

This part belongs to the 1N4728A to 1N4761A series of single Zener diodes manufactured by Vishay Semiconductors. The series utilizes a glass DO-41 case material with UL 94 V-0 flammability classification. The components are designed for general-purpose electronic applications requiring reliable voltage regulation.

Replacement Considerations

Cross-reference other manufacturers offering equivalent 39 V Zener diodes in the DO-41 package. Verify that alternative parts match the 1300 mW power dissipation rating and the 60 Ω dynamic impedance specifications to ensure functional compatibility.

FAQ

What is the maximum forward voltage for this diode?

The maximum forward voltage is 1.2 V when tested at a forward current of 200 mA.

Is this component suitable for high-frequency switching?

The datasheet specifies it for stabilizing and clipping circuits; verify suitability for high-frequency switching against the dynamic resistance parameters.