Overview
The Allen-Bradley RC32GF270J is a classic 1-watt carbon composition resistor designed for reliable performance in industrial and commercial applications. With a resistance value of 27Ω and ±5% tolerance, this axial-lead component offers exceptional stability and durability. The hot-molded carbon construction and oxygen-free copper leads make it a trusted choice for control circuits, signal conditioning, and power distribution applications where ruggedness and longevity are critical.
Key Features
- 1-watt power rating suitable for mid-range current-limiting and load applications
- 27Ω resistance value with ±5% tolerance for precise circuit design
- Hot-molded carbon composition construction for superior reliability and vibration resistance
- Oxygen-free copper leads for excellent solderability and corrosion resistance
- Compact axial-lead format for through-hole PCB mounting
- Non-inductive and non-magnetic characteristics ideal for analog signal circuits
Technical Specifications
- Resistance Value: 27Ω
- Power Rating: 1 Watt
- Tolerance: ±5%
- Temperature Coefficient: ±1000 ppm/°C (typical)
- Operating Temperature Range: –55°C to +70°C
- Construction Type: Hot-molded carbon composition
- Lead Material: Oxygen-free copper
- Termination Style: Axial leads
- Compliance: RoHS compliant
- Series Designation: RC32 (MIL-R-11B military equivalent)
Typical Applications
- Industrial automation control circuits and PLCs
- Power supply current limiting and load resistors
- Signal conditioning and analog circuit design
- Audio equipment and instrumentation
- Thermal management and biasing networks
- Test and measurement equipment
Compatibility & Replacements
Compatible With
- Allen-Bradley control systems and PLC modules
- Analog and digital signal conditioning circuits
- Power distribution and motor control applications
- Standard 0.1-inch pitch PCB layouts for through-hole assembly
- Industrial automation panels and control enclosures
Replaces / Drop-In Replacement For
- RC32GF270J (exact equivalent part number)
- RCR32GF270J (MIL-R-39008 Grade-S military equivalent)
- Other 27Ω 1W ±5% carbon composition resistors in RC/RCR series
Works With
- Studio 5000 Logix Designer analog input/output modules
- Allen-Bradley CompactLogix and ControlLogix systems
- Industrial Ethernet and EtherNet/IP networks
- Analog signal acquisition and conditioning hardware
- Legacy and modern industrial control architectures














