TT Electronics Welwyn RC55 Precision Resistor 75R 0.25W 0.1%
TT Electronics Welwyn RC55 precision metal film resistor, 75 ohm, 0.25W, ±0.1% tolerance. Ideal for low noise circuits.
The TT Electronics Welwyn RC55 series comprises axial leaded, precision metal film resistors designed for high-reliability applications. These resistors feature a metal film deposited on a high-quality ceramic former, ensuring stable and accurate performance across a wide range of operating conditions.
Robust construction includes nickel-plated steel caps force-fitted to the former, with termination wires welded to the caps for secure connections. The resistance value is precisely adjusted using a helical cut in the film, and the component body is protected by a specially formulated epoxy coating, providing excellent durability and environmental protection.
With a power rating of 0.25W and a resistance of 75 ohms with a tight ±0.1% tolerance, this resistor delivers exceptional precision. It operates within a temperature range of -55°C to +155°C and features low noise alongside a negligible voltage coefficient, making it suitable for demanding electronic circuits where accuracy is critical.
Key Specifications
- Resistance: 75 ohm
- Power Rating: 0.25W (250mW)
- Tolerance: ±0.1%
- Voltage Rating: 200V
- Limiting Element Voltage: 350V
- Temperature Coefficient: ±15ppm/°C
- Operating Temperature: -55°C to +155°C
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