1N4754A_R2_00001

Overview

The Panjit 1N4754A_R2_00001 is a silicon Zener diode from the 1N4728A series, housed in a DO-41 molded plastic package with axial leads. It provides a nominal Zener voltage of 39V, with an operating range of 37.05V to 40.95V. The device supports a maximum power dissipation of 1W at 25°C ambient temperature and operates within a junction temperature range of -55°C to +175°C. Key electrical characteristics include a maximum Zener impedance of 6.5Ω at 1mA test current and a maximum leakage current of 0.1µA at 29.7V reverse voltage.

Feature Summary

• Low inductance construction suitable for high-frequency applications
• High temperature soldering capability up to 260°C for ten seconds
• Plastic package meets UL 94V-O flammability classification
• Lead-free composition compliant with EU RoHS 2.0 standards

Applications

• Voltage regulation circuits
• Overvoltage protection systems
• Reference voltage generation

Procurement Notes

Verify the specific ordering suffix matches the required packing configuration, such as bulk box or tape and reel options. Confirm that the component lot number is recorded for traceability purposes. Ensure the procurement documentation aligns with the manufacturer's latest revision status to guarantee compatibility with design specifications.

Selection Notes

Select this component when a stable 39V reference is required in a standard axial leaded package. Consider the thermal resistance characteristics and derating curves for high-temperature environments. Evaluate the dynamic impedance and leakage current specifications against circuit sensitivity requirements to ensure proper performance under varying load conditions.

Part Context

This part belongs to the 1N47xxA series of 1-watt Zener diodes manufactured by Panjit International Inc. The series covers a wide voltage range from 3.3V to 68V, all sharing the same DO-41 mechanical form factor. The 1N4754A specifically targets applications requiring precise voltage clamping around the 39V threshold with reliable thermal stability.

Replacement Considerations

Cross-reference with other manufacturers' 1N4754A equivalents ensuring identical DO-41 packaging and 1W power rating. Verify that substitute parts meet the same 39V nominal voltage tolerance and impedance specifications. Confirm compatibility with existing PCB footprint and soldering profiles.