1N5309 BK PBFREE

Overview

The Central Semiconductor Corp 1N5309 BK PBFREE is a Zener diode designed for voltage regulation applications. It features a nominal Zener voltage of 75V with a tolerance range of 71.25V to 78.75V. The device has a maximum power dissipation of 5W and operates within a temperature range of -65°C to +175°C. It utilizes a DO-201AE (DO-41) axial leaded package and is RoHS compliant.

Feature Summary

• High power dissipation capability of 5W for robust voltage regulation
• Extended operating temperature range from -65°C to +175°C
• Axial leaded DO-201AE package for through-hole mounting

Applications

• Voltage reference circuits
• Overvoltage protection
• Power supply regulation

Procurement Notes

Verify the specific manufacturer part number against official datasheets to ensure compatibility. Confirm RoHS compliance status and packaging details such as bulk quantities. Check for any specific ordering suffixes that may affect electrical characteristics or packaging type before finalizing procurement.

Selection Notes

Select this component when a 75V Zener voltage with 5W power handling is required. Ensure the application environment supports the specified temperature range. Verify that the DO-201AE package fits the PCB layout constraints. Compare leakage current and impedance specifications if precise regulation is critical.

Part Context

This part belongs to the standard Zener diode family from Central Semiconductor. It is commonly used in industrial and automotive electronics where high power and wide temperature operation are necessary. The DO-201AE package provides mechanical stability for through-hole assembly processes.

Replacement Considerations

Check for equivalent parts with matching 75V Zener voltage, 5W power rating, and DO-201AE package. Verify thermal resistance and leakage current specifications to ensure functional equivalence in the target circuit.