Overview
The Allen-Bradley RCR32G753JS is a sealed, military-grade carbon composition resistor engineered for critical industrial and legacy equipment applications. This lot contains 25 resistors rated for 75kΩ ±5% tolerance with a 1W power dissipation rating. The RCR designation indicates Military Grade-S classification—the highest quality standard Allen-Bradley produced. Each unit features oxygen-free copper axial leads and a sealed carbon element, ensuring reliable performance in demanding environments.
Key Features
- Military Grade-S (RCR) designation—premium specification for precision and reliability
- 75kΩ ±5% tolerance with stable resistance characteristics over temperature range
- 1W power rating suitable for signal circuits and moderate load applications
- Carbon composition construction with hot-molded design—non-inductive and non-magnetic
- Oxygen-free copper leads with sealed body to resist environmental degradation
- Lot of 25 units—economical sourcing for production runs and maintenance stock
Technical Specifications
- Resistance Value: 75 kΩ
- Tolerance: ±5%
- Power Rating: 1 W
- Termination: Axial leads, oxygen-free copper
- Body Style: Sealed carbon composition
- Temperature Coefficient: ±1000 ppm/°C (typical)
- Operating Temperature Range: -55°C to +70°C
- Frequency Rating: DC to very high frequency (non-inductive)
- Packaging: Lot of 25 individual units, new in box
- Series: RCR32G (Military Grade-S)
- Condition: New Old Stock (NOS)
Typical Applications
- Legacy and vintage industrial control equipment repair
- PLC input/output modules and signal conditioning circuits
- Analog instrumentation and measurement systems
- Servo amplifier networks and motor control boards
- Bias and reference circuits in audio and RF equipment
- Test equipment and laboratory instruments
Compatibility & Replacements
The RCR32G753JS is a direct replacement for original Allen-Bradley RCR-series resistors in that value. While modern thin-film and metal-film resistors offer tighter tolerances, this carbon composition design is preferred in vintage and legacy systems where original component specifications must be maintained for proper equipment operation. No direct cross-manufacturer substitutes exist—the military-grade RCR construction is unique to Allen-Bradley. For applications requiring tighter tolerances, consider modern 75kΩ film resistors rated for 1W; however, verify circuit compatibility before substitution in critical systems.
