Description
Royal Ohm 243 Ohm (243E) 0.25W 1% Metal Film Resistor (MFR)
The Royal Ohm 243 Ohm (243E) 0.25W 1% Metal Film Resistor (MFR) is engineered for high-precision electronic circuits demanding minimal noise, superior thermal stability, and long-term operational reliability. Built with a high-grade metal film element and axial leads, this 1/4W resistor delivers tight 1% tolerance performance and low temperature coefficient, making it an excellent choice for audio equipment, precision measurement, and industrial control systems.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Royal Ohm |
| Resistance Value | 243 Ω (243E) |
| Tolerance | ±1% |
| Power Rating | 0.25W (1/4W) |
| Technology | Metal Film (MFR Series) |
| Package / Size | Axial (Through-Hole) |
Key Performance Advantages
- Precision ±1% tolerance ensures accurate current regulation and stable circuit performance
- Metal film technology provides exceptionally low current noise and high linearity
- Excellent thermal stability and low TCR across extended operating temperature ranges
- Protective multi-layer coating shields against moisture, dust, and environmental stress
- Standard axial-leaded package enables easy mounting on through-hole PCBs
Typical Applications
- Low-noise audio preamplifiers and signal conditioning circuits
- Precision voltage dividers and feedback loops in power supplies
- Industrial control units, test equipment, and instrumentation
- Telecommunications and general commercial electronic assemblies
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