1N4734A TR PBFREE

Overview

The Central Semiconductor Corp 1N4734A TR PBFREE is a silicon Zener diode in the DO-41 axial leaded package. It provides a nominal Zener voltage of 5.6 V with a 5% tolerance range of 5.320 V to 5.880 V. The device dissipates 1.0 W at 50°C and operates from -65°C to +200°C. Electrical characteristics include a maximum Zener impedance of 5.0 Ω, a reverse current of 10 μA, and a temperature coefficient of 0 to +0.045 %/°C.

Feature Summary

• Provides stable voltage regulation within a tight 5% tolerance band for precision applications.
• Features low Zener impedance to maintain consistent performance under varying load conditions.
• Constructed with a glass passivated junction for high reliability and long-term stability.

Applications

• Industrial voltage regulation circuits
• Commercial power supply reference standards
• Computer system protection logic

Procurement Notes

Verify the specific ordering suffix against manufacturer documentation to confirm plating options and packaging format. Confirm RoHS compliance status and environmental declarations prior to finalizing procurement specifications. Ensure the selected variant matches the required mechanical outline and terminal configuration for the target assembly process.

Selection Notes

Select this component when a 5.6 V reference with ±5% accuracy is required in an axial leaded form factor. Evaluate thermal management requirements to ensure the 1.0 W dissipation rating remains within safe operating limits. Consider the positive temperature coefficient for circuit compensation strategies in environments with significant thermal fluctuations.

Part Context

This part belongs to the 1N4728A through 1N4764A series of 1.0 Watt silicon Zener diodes manufactured by Central Semiconductor Corp. The series covers a wide voltage range from 3.3 V to 100 V, all sharing the same DO-41 case style and general electrical construction parameters defined in the official datasheet.

Replacement Considerations

No direct replacement part numbers are documented in the provided source material for this specific component.

FAQ

What is the maximum DC forward current rating?

The maximum DC forward current is 1.0 A.

Does the 1N4734A have a negative or positive temperature coefficient?

It has a positive temperature coefficient ranging from 0 to +0.045 %/°C.