1N4754G

Overview

The Taiwan Semiconductor 1N4754G is a single-die Zener diode housed in a DO-41 glass axial package. It provides a nominal Zener voltage of 39 V with a standard tolerance of ±5%. The device supports a maximum power dissipation of 1 W and operates within a junction temperature range of -65 °C to +200 °C. Electrical characteristics include a test current of 6.5 mA, a maximum dynamic impedance of 60 Ω at the test current, and a maximum leakage current of 5 µA at 29.7 V reverse voltage.

Feature Summary

• Hermetically sealed glass construction for environmental protection
• RoHS compliant manufacturing process
• Wide selection of Zener voltages ranging from 3.3V to 56V across the series

Applications

• Low voltage stabilizers or voltage references
• Adapters
• Lighting applications
• On-board DC/DC converter

Procurement Notes

Verify that the specific part number suffix matches the required packaging format, such as reel or ammo box quantities. Confirm RoHS compliance status if required by project specifications. Ensure the manufacturer's datasheet version aligns with the procurement documentation to validate electrical parameters and mechanical dimensions before finalizing orders.

Selection Notes

Select this component when a 39 V regulation point is required with a 1 W power rating. The DO-41 through-hole package is suitable for general-purpose circuit boards. Consider the thermal resistance values for heat dissipation calculations in enclosed environments. Verify that the ±5% voltage tolerance meets the precision requirements of the target application circuit.

Part Context

This component belongs to the 1N4728G–1N4758G series manufactured by Taiwan Semiconductor. The series covers a broad spectrum of Zener voltages from 3.3 V to 56 V, all sharing identical mechanical and thermal characteristics. The 'G' suffix indicates RoHS compliance. These devices are designed for general-purpose voltage regulation tasks in commercial electronics.

Replacement Considerations

Cross-reference with other manufacturers offering 1W DO-41 Zener diodes rated at 39 V ±5%. Ensure equivalent thermal resistance and maximum operating temperature ratings are met. Verify that the replacement device maintains the same polarity marking and lead configuration for direct board compatibility.