1N4754A TR PBFREE

Overview

The Central Semiconductor Corp 1N4754A TR PBFREE is a silicon Zener diode designed for voltage regulation in industrial, commercial, entertainment, and computer applications. It operates within the 1N4728A through 1N4764A series, featuring a nominal Zener voltage of 39 V with a 5% tolerance range from 37.05 V to 40.95 V. The device dissipates up to 1.0 W at 50°C and utilizes a DO-41 axial leaded package. Electrical characteristics include a maximum reverse current of 5.0 µA at 32.7 V and a temperature coefficient ranging from +0.06 to +0.095 %/°C.

Feature Summary

• Provides stable voltage regulation across a wide operating temperature range from -65°C to +200°C.
• Features low forward voltage drop of 1.2 V maximum at 200 mA test current.
• Constructed as a highly reliable silicon component suitable for demanding environments.

Applications

• Industrial equipment power supplies
• Commercial electronic systems
• Entertainment system circuitry
• Computer hardware voltage references

Procurement Notes

Verify that the ordering suffix 'TR' corresponds to reel packaging and 'PBFREE' indicates lead-free plating status as defined by manufacturer standards. Confirm RoHS compliance documentation availability prior to integration. Ensure the procurement channel sources directly from authorized distributors to guarantee authenticity and traceability of the semiconductor components.

Selection Notes

Select this component when a precise 39 V reference is required with a 5% tolerance band. The DO-41 package supports through-hole mounting, making it suitable for legacy or high-reliability board designs. Consider the specific temperature coefficient range when designing circuits sensitive to thermal drift in ambient conditions exceeding standard room temperature limits.

Part Context

This part belongs to the 1N4728A through 1N4764A series of 1-watt silicon Zener diodes manufactured by Central Semiconductor Corp. The series covers a voltage range from 3.3 V to 100 V, providing standardized options for various voltage regulation needs. The 1N4754A specifically addresses mid-range voltage requirements within this extensive product family.

Replacement Considerations

No official replacement part numbers are documented for this specific model in the provided datasheet notices. Contact [email protected] for assistance in locating alternate sources if direct substitution is unavailable.

FAQ

What is the maximum DC current rating for the 1N4754A?

The maximum DC current (IZM) rating is 29.7 mA.

Does the 1N4754A have a positive or negative temperature coefficient?

It has a positive temperature coefficient ranging from +0.06 to +0.095 %/°C.