220k Ohm 0.25W Carbon Film Resistor - 5% Tolerance (Pack of 5)

Product Description The 220k Ohm 1/4 Watt Resistor is a high-resistance passive component designed for precise signal biasing and current control. These carbon film resistors feature a 5% tolerance, making them ideal for high-impedance analog circuits and digital timing applications. With a standard 0.25W power rating, they provide stable performance in a compact axial package, perfect for both professional engineering and hobbyist prototyping.

Key Features

• High Impedance Utility: Optimized for applications requiring minimal current draw in sensitive signal paths.

• Stable Carbon Film Construction: Offers high reliability with low electrical noise for clean analog signal processing.

• Breadboard Compatible: Standard axial leads fit perfectly into solderless breadboards and universal PCBs.

• Manual Identification: Features clear 4-band color coding (Red, Red, Yellow, Gold) for rapid value verification.

• Flame-Retardant Coating: Coated with a protective lacquer to ensure safety and durability under thermal stress.

Technical Details

• Maximum Working Voltage: Rated for stable operation up to 250V AC/DC in standard environments.

• Overload Surge Capacity: Capable of withstanding short-duration peak surges up to 500V.

• Dielectric Strength: Provides high insulation protection up to 500V AC between the resistive element and the surroundings.

• Operating Temperature: Maintains rated accuracy across a wide thermal range of -55°C to +155°C.

• Temperature Coefficient: Typically rated at ±450 ppm/°C, ensuring minimal resistance drift during operation.

• Lead Quality: Solder-plated copper-clad steel leads for superior conductivity and strong mechanical joints.

• Resistance Stability: Engineered to stay within ±3% of the nominal value after 1,000 hours of continuous load.

• Compact Body Size: Miniature axial dimensions (approx. 2.3mm diameter) facilitate high-density circuit layouts.

• Environmental Standards: Fully RoHS compliant and lead-free for modern electronic assembly.

• Moisture Resistance: Sealed with multiple layers of lacquer to prevent oxidation of the carbon element in humid conditions.

• High Frequency Response: Low parasitic inductance makes it suitable for basic filtering and high-speed logic circuits.

• Standard Precision: Class J (±5%) offers a cost-effective solution for non-precision timing and biasing needs.