Overview
The KOA Speer Electronics CF 1/2 carbon film resistor 2K ohms offers a cost-effective, reliable solution for circuit designs requiring fixed resistive elements. This bulk box contains 500 individual units, making it ideal for high-volume assembly, repair shops, and design engineers who need consistent inventory. Carbon film construction provides stable performance across industrial and consumer electronics applications.
Key Features
- Carbon Film Technology: KOA’s CF series resistors have a carbon-film coat over high-grade ceramic rods, ensuring long-term stability
- Power Rating: 0.5W (1/2W) handles moderate power dissipation in general-purpose circuits
- Resistance Value: 2K ohms (2,000Ω) with ±5% tolerance for reliable circuit tuning
- Axial Through-Hole Package: Axial termination style compatible with breadboards, PCBs, and panel-mount applications
- Bulk Packaging: 500-unit box reduces per-unit cost and simplifies inventory management
- Operating Temperature Range: -55 to 155 °C for diverse environmental conditions
Technical Specifications
- Resistance Value: 2,000 Ohms (2K)
- Tolerance: ±5%
- Power Rating: 0.5W (1/2W)
- Temperature Coefficient: -450 to +350 ppm/°C
- Operating Temperature Range: -55°C to +155°C
- Construction Type: Carbon Film
- Termination Style: Axial (Through-Hole)
- Packaging: Box of 500 units
- Series: CF (General Purpose)
- Manufacturer: KOA Speer Electronics, Inc.
Typical Applications
- Audio and entertainment electronics (amplifiers, mixers, signal conditioning)
- Test equipment and measurement instruments
- Industrial control circuits and sensor interfaces
- Consumer appliances and power supply designs
- Educational projects, hobby electronics, and prototyping
- Replacement and repair of legacy equipment
- LED biasing and pull-up/pull-down networks
Compatibility & Replacements
Compatible With
- Standard PCB breadboards and prototyping circuits
- Panel-mount and chassis-mount designs
- Through-hole soldering on single-sided and double-sided PCBs
- Hand-assembly and automated wave-soldering processes
- Any circuit requiring a fixed 2K ohm resistive element
Replaces / Drop-In Replacement For
- Verify compatibility with your system integrator before ordering. While the KOA Speer CF 1/2 series is a standard axial carbon film resistor at 2K ohms, exact replacement of legacy or obsolete resistor models should be confirmed by referencing the original circuit schematic and consulting with a qualified engineer.
Works With
- Manual wire-wrap and hand-soldered assemblies
- Wave soldering and selective soldering equipment
- PCB assembly with standard through-hole mounting tools
- Industry-standard resistor color-coding and labeling practices
- RoHS-compliant and lead-free manufacturing environments












