Overview
The Allen-Bradley RCR42G33IJS is a precision carbon composition resistor rated at 330Ω with 2W power dissipation capability and ±5% tolerance. This MIL-SPEC unit features axial copper leads and hot-molded carbon construction, delivering consistent performance across demanding industrial, audio, and test equipment applications. The RCR military-grade designation confirms adherence to MIL-R-39008 specifications for superior reliability.
Key Features
- Resistance Value: 330Ω (decoded from “33” in part number)
- Power Rating: 2W with rugged hot-molded carbon element
- Tolerance: ±5% (typical for JS suffix designation)
- Construction: Carbon composition with oxygen-free copper axial leads
- Termination: Axial leads for PCB and breadboard mounting
- MIL-SPEC Grade: RCR designation indicates military-grade reliability and performance
Technical Specifications
- Low inductance design—suitable for high-frequency applications
- Non-magnetic construction for sensitive circuits
- Exceptional pulse withstanding capability
- Oxygen-free copper leads reduce corrosion
- Operating temperature range: up to 70°C ambient
- No derating required within specified temperature limits
Typical Applications
Allen-Bradley carbon composition resistors are ideal for:
- Audio amplifiers and analog signal conditioning
- Industrial control circuits and PLC input modules
- Test equipment and measurement instruments
- High-reliability systems requiring MIL-SPEC components
- Pulse-tolerant circuits in switching supplies
- Legacy equipment restoration and repair
Compatibility & Replacements
The RCR42G33IJS is a direct replacement for equivalent 330Ω, 2W, ±5% carbon composition resistors in industrial automation and electronic applications. Verify circuit requirements and tolerance specifications before substitution. This part is ideal for drop-in replacement where original Allen-Bradley components are specified or where MIL-SPEC reliability is required. Stock availability varies; confirm lead time with your supplier.
