1N4740A TR PBFREE

Overview

The Central Semiconductor Corp 1N4740A TR PBFREE is a silicon Zener diode designed for voltage regulation. It features a nominal Zener voltage of 10 V with a 5% tolerance, tested at 25 mA. The device dissipates 1.0 W at 50°C and operates within a temperature range of -65°C to +200°C. It utilizes the DO-41 axial through-hole package and provides a maximum reverse current of 10 μA at 9 V.

Feature Summary

• Provides stable voltage regulation in industrial and commercial circuits
• Features low impedance characteristics for effective noise suppression
• Constructed with a glass passivated junction for high reliability

Applications

• Industrial equipment power supplies
• Commercial electronic systems
• Computer circuitry voltage reference
• Entertainment system protection

Procurement Notes

Verify the specific ordering suffix against manufacturer documentation to confirm plating specifications. Confirm that the component meets RoHS3 compliance requirements for your assembly process. Ensure the procurement channel sources directly from authorized distributors to guarantee authenticity and traceability of the semiconductor batch.

Selection Notes

Select this component when a precise 10 V reference is required in a standard axial package. Consider the 1.0 W power dissipation capability and the specified temperature coefficient range during thermal design. Verify that the maximum DC current rating aligns with the expected load conditions of the target application circuit.

Part Context

This part belongs to the 1N4728A through 1N4764A series of 1-watt silicon Zener diodes manufactured by Central Semiconductor. The series covers a wide voltage range from 3.3 V to 100 V. All devices share the same DO-41 mechanical outline and utilize a glass passivation process for environmental stability.

Replacement Considerations

No official replacement part numbers are documented for this specific model.