Overview
The Allen-Bradley RC42GF224J is a precision carbon composition resistor rated at 220 kΩ with 2W power handling and ±5% tolerance. Built to MIL specifications, this axial-lead resistor is engineered for dependable performance in industrial automation, control circuits, and electronic equipment where proven reliability and long-term availability matter.
Key Features
- 220 kΩ resistance value with ±5% tolerance
- 2-watt power rating for robust current handling
- Hot-molded carbon composition construction for stability
- Oxygen-free copper axial leads minimize corrosion
- 500/750V voltage rating for general industrial use
- Temperature range to 70°C for wide operational envelope
Technical Specifications
| Resistance Value | 220 kΩ |
| Tolerance | ±5% |
| Power Rating | 2W |
| Voltage Rating | 500/750V |
| Construction Type | Carbon Composition (Hot-Molded) |
| Lead Style | Axial Leads, 0.045″ diameter |
| Body Dimensions | 0.07″L × 0.31″D |
| Operating Temperature | −55 to +70°C |
| Manufacturer | Allen-Bradley (Rockwell Automation) |
| Condition | New in Box |
Typical Applications
- Bias networks and termination circuits in analog control boards
- Power supply protection and current-limiting functions
- Signal conditioning and filter networks in vintage automation
- Replacement in legacy PLC backplanes and I/O modules
- Test equipment and bench power circuits requiring stable loads
Compatibility & Replacements
The RC42GF224J is a direct replacement for original equipment using Allen-Bradley RC series carbon composition resistors. Similar resistors include the RC42GF224K (10% tolerance) and RC42GF224M (20% tolerance) for applications requiring different tolerance bands. This part is compatible with all standard through-hole PCB mounting and breadboard applications. For surface-mount alternatives, consult with your distributor. The part’s MIL-spec heritage ensures long-term availability through authorized distributors and surplus suppliers.
