1N4752A BK PBFREE

Overview

The Central Semiconductor Corp 1N4752A BK PBFREE is a silicon unidirectional voltage regulator diode housed in the DO-41 axial package. It provides a nominal Zener voltage of 33 V with a 5% tolerance, tested at 7.5 mA. The device dissipates up to 1.0 W at 50°C and operates within a temperature range of -65°C to +200°C. Key electrical characteristics include a maximum reverse current of 5.0 µA at 32.7 V, a maximum dynamic impedance of 45 Ω at test current, and a temperature coefficient ranging from +0.06% to +0.095% per °C.

Feature Summary

• Provides stable voltage regulation for industrial, commercial, entertainment, and computer applications
• Features hermetically sealed glass passivation for corrosion resistance and high-temperature soldering capability
• Offers reliable performance across an extended operating temperature range

Applications

• Industrial equipment voltage regulation
• Commercial electronic circuit protection
• Computer system power supply stabilization

Procurement Notes

Verify the specific ordering suffix required for your manufacturing process. The 'BK' designation indicates bulk packaging, while 'PBFREE' confirms lead-free plating compliance. Confirm RoHS status and environmental declarations directly with the manufacturer or authorized distributors prior to finalizing procurement specifications.

Selection Notes

Select this component when a 33 V reference is required in a through-hole DO-41 configuration. Ensure the application accounts for the 1.0 W power dissipation limit at elevated ambient temperatures. Verify that the 5% voltage tolerance aligns with the circuit's precision requirements and that the axial leads fit the target PCB layout.

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 wide voltage range from 3.3 V to 100 V, all sharing the same DO-41 mechanical outline and general reliability standards for through-hole mounting.

Replacement Considerations

No official replacement part numbers are documented for this specific item in the provided datasheet notices.