CF14JB7M50

Overview

The CF14JB7M50 is a fixed carbon film resistor manufactured by Stackpole Electronics Inc. It features a resistance value of 7.5 MOhms with a tolerance of ±5%. The component has a power rating of 0.25W (1/4 W) and a maximum working voltage of 350V. It utilizes an axial leaded through-hole mount package with tubular construction. The temperature coefficient ranges from -1500 to 0 ppm/°C, and the operating temperature span is -55°C to +155°C.

Feature Summary

• Carbon film composition for general-purpose commercial and industrial applications
• Flame retardant coating standard for safety compliance
• Axial leaded through-hole mounting for PCB integration

Applications

• General purpose circuits in commercial equipment
• Industrial control systems
• Consumer electronics assemblies

Procurement Notes

Verify the specific part number against official Stackpole documentation, as public records primarily list CF14JT7M50 for this resistance and tolerance combination. Confirm RoHS compliance status and lead-free specifications directly with the manufacturer or authorized distributors before procurement to ensure alignment with project requirements.

Selection Notes

Select this component for applications requiring standard carbon film characteristics and axial mounting. Ensure the circuit design accommodates the specified 350V maximum working voltage and the wide negative temperature coefficient range. Verify that the 1/4W power rating is sufficient for the intended thermal environment within the -55°C to +155°C operating window.

Part Context

This resistor belongs to the CF series of carbon film resistors produced by SEI Stackpole Electronics Inc. The series is designed for general-purpose use, offering a balance of performance and cost-effectiveness for through-hole PCB technologies. The CF designation indicates the carbon film technology and axial form factor typical of this product line.

Replacement Considerations

CF14JT7M50 is a documented equivalent with identical electrical parameters including 7.5 MOhms resistance, 5% tolerance, and 1/4W power rating. Verify physical dimensions and lead compatibility when substituting.