Overview
The KOA Speer CFS1/4CT52R202J is a precision carbon film resistor rated at 2kΩ with ±5% tolerance and 0.25W power handling. Housed in a compact axial through-hole package and supplied in tape and reel format, this component meets IEC and EIA standards for general-purpose resistor applications. The reduced-body CFS series provides reliable electrical performance in PCB layouts where space efficiency matters.
Key Features
- Nominal resistance: 2kΩ with ±5% tolerance band
- Power rating: 1/4W (0.25W) continuous
- Axial through-hole termination for wave and selective soldering
- Tape and reel packaging for automated assembly
- Operating temperature range: −55°C to +155°C
- Compact body size reduces PCB footprint
Technical Specifications
- Resistance: 2kΩ (2000Ω)
- Tolerance: ±5%
- Power Rating: 0.25W (1/4W)
- Temperature Coefficient: 1000 ppm/°C (typical)
- Voltage Rating: 250V
- Termination Style: Axial leads (both ends)
- Construction: Carbon film on ceramic substrate
- Operating Temperature Range: −55°C to +155°C
- Packaging: Tape and reel (standard component tape width)
- Country of Origin: Taiwan
Typical Applications
The CFS1/4CT52R202J suits applications requiring stable, low-noise bias and pull-up resistors across consumer electronics, instrumentation, test equipment, and light industrial control circuits. Common uses include:
- Analog signal conditioning and filter networks
- LED current limiting and biasing
- Oscillator and amplifier feedback networks
- Power supply auxiliary circuits
- Audio and measurement equipment
Compatibility & Replacements
Compatible With
- Universal PCB assembly processes (wave solder, reflow, selective solder)
- Standard IEC 60617 and EIA symbol recognition
- Any circuit requiring 2kΩ resistive element at 0.25W or lower dissipation
Replaces / Drop-In Replacement For
The CFS1/4CT52R202J is electrically equivalent to other CFS series 2kΩ, ±5%, 1/4W carbon film resistors from competing manufacturers. Direct mechanical and electrical substitutes may include resistors with identical resistance, tolerance, power, and voltage ratings from suppliers such as Vishay, Bourns, and Yageo, provided lead spacing and body dimensions match your PCB layout. Verify part dimensions before order confirmation.
Works With
- CAD libraries supporting standard axial through-hole footprints
- Manufacturing software for tape-and-reel component handling
- Any standard PCB assembly workflow and soldering equipment
- Automated pick-and-place systems configured for radial/axial components
