1N5237B BK PBFREE

Single Zener Diodes Overview

The 1N5237B BK PBFREE is a silicon Zener diode from the Central Semiconductor 1N5221B series, housed in a DO-35 axial leaded package. It provides a nominal Zener voltage of 8.2 V with a ±5% tolerance and operates at a test current of 20 mA. The device supports a maximum power dissipation of 500 mW and functions within a junction temperature range of -65°C to +200°C. Electrical characteristics include a maximum reverse current of 3.0 µA and a positive temperature coefficient of +0.062 %/°C.

Single Zener Diodes Feature Summary

• High reliability voltage regulation for industrial and commercial applications
• Axial leaded construction suitable for through-hole mounting
• Positive temperature coefficient characteristic above 6V

Single Zener Diodes Applications

• Industrial equipment voltage regulation
• Commercial circuit protection
• Entertainment system power management
• Computer application voltage reference

Single Zener Diodes Procurement Notes

Verify component authenticity by checking for the 'C' prefix followed by the full part number or the specific marking code C5237B on the device body. Confirm RoHS compliance status and ensure the ordering suffix matches the required plating specification. Validate that the DO-35 package dimensions align with the target PCB footprint requirements before finalizing procurement.

Single Zener Diodes Selection Notes

Select this component when a stable 8.2 V reference is required in a standard axial package. Ensure the circuit design accommodates the specified 500 mW power dissipation limit at elevated temperatures. Verify that the positive temperature coefficient aligns with the thermal stability requirements of the target application environment.

Single Zener Diodes Part Context

This device belongs to the 1N5221B through 1N5278B series of silicon Zener diodes manufactured by Central Semiconductor Corp. The series covers a voltage range from 2.4 V to 170 V in the DO-35 case style. These components are designed for general-purpose voltage regulation tasks across various electronic sectors.

Single Zener Diodes Replacement Considerations

No public confirmed substitute part numbers are available for this component.