CF12JB51K0

Overview

The CF12JB51K0 is a carbon film axial through-hole resistor manufactured by Stackpole Electronics Inc. It features a resistance value of 51 kOhms with a tolerance of ±5% and a power rating of 0.5W (1/2W). The component operates within a temperature range of -55°C to +155°C and has a temperature coefficient of 0/-400ppm/°C. Its physical dimensions are 0.335 inches in length by 0.122 inches in width (8.50mm x 3.10mm). The device complies with RoHS3 standards and is classified under ECCN EAR99.

Feature Summary

• Constructed with a carbon film composition for stable resistive performance.
• Features a flame-retardant coating to enhance safety during operation.
• Designed with an axial leaded package suitable for through-hole PCB mounting.

Applications

• General-purpose electronic circuitry requiring standard resistance values
• Industrial control systems operating within specified thermal limits
• Consumer electronics assemblies utilizing through-hole technology

Procurement Notes

Verify the specific suffix 'JB' against official Stackpole documentation to confirm the exact tolerance and coating specifications, as generic series data may vary. Ensure the ordering quantity aligns with manufacturer minimum order requirements and standard packaging formats. Confirm compliance with current environmental regulations such as RoHS3 before finalizing procurement decisions for regulated markets.

Selection Notes

Select this component when a 51 kOhm resistance with 5% tolerance is required in a 1/2W axial form factor. Consider the -400ppm/°C temperature coefficient for applications involving moderate thermal fluctuations. Verify that the physical footprint of 8.50mm x 3.10mm fits the target PCB layout constraints and that the operating temperature range meets the environmental demands of the end application.

Part Context

This resistor belongs to the CF series of carbon film components from Stackpole Electronics Inc. The series is characterized by its reliability in general-purpose applications and compliance with international safety and environmental standards. The axial design facilitates easy insertion into printed circuit boards, making it a common choice for legacy and modern through-hole manufacturing processes.

Replacement Considerations

CFR50J51K0 by TE Connectivity Passive Product is a documented similar substitute part number.