Ceramic resistor cores are Du-Co Ceramics manufactures precision ceramic resistor cores designed to provide electrical insulation and increased thermal endurance in resistor assemblies. Ceramic resistor cores are commonly used in wire wound resistors where resistive wire is wrapped around a ceramic core to create dependable resistance values and long service life. Available in a variety of standard diameters and custom lengths, Du-Co’s ceramic resistor cores are suitable for demanding electrical and industrial applications.
Contact Du-Co Ceramics today for more information. Custom size ceramic resistor cores can be manufactured to your specification.
Click on dimension header to list by size
| OD | ID | Length | ||
|---|---|---|---|---|
| 0.202″ | X | 0.125″ | X | Custom Lengths |
| 0.250″ | X | 0.069″ | X | Custom Lengths |
| 0.250″ | X | 0.125″ | X | Custom Lengths |
| 0.250″ | X | 0.156″ | X | Custom Lengths |
| 0.281″ | X | 0.217″ | X | Custom Lengths |
| 0.500″ | X | 0.250″ | X | Custom Lengths |
| 0.500″ | X | 0.385″ | X | Custom Lengths |
| 0.550″ | X | 0.210″ | X | Custom Lengths |
| 0.562″ | X | 0.312″ | X | Custom Lengths |
| 0.652″ | X | 0.312″ | X | Custom Lengths |
| 0.750″ | X | 0.500″ | X | Custom Lengths |
| 0.750″ | X | 0.547″ | X | Custom Lengths |
| 0.750″ | X | 0.562″ | X | Custom Lengths |
| 1.000″ | X | 0.500″ | X | Custom Lengths |
| 1.000″ | X | 0.625″ | X | Custom Lengths |
| 1.125″ | X | 0.500″ | X | Custom Lengths |
| 1.125″ | X | 0.750″ | X | Custom Lengths |
| 1.250″ | X | 0.750″ | X | Custom Lengths |
| 2.000″ | X | 1.563″ | X | Custom Lengths |
This information is for design guidance only. Du-Co Ceramics Company will not guarantee this information as absolute values. Various geometries can affect properties.
Need a Custom Ceramic Resistor Core?
Du-Co Ceramics manufactures precision ceramic resistor cores in a variety of standard sizes and can produce custom dimensions to meet your application requirements. Contact our team to discuss material selection, specifications, or request a quote for your next resistor design.