470k Ohm 0.5W Carbon Film Resistor - 5% Tolerance (Pack of 5)

Product Description 

The 470k Ohm 1/2 Watt Resistor is a high-resistance passive component designed for precision timing, high-impedance signal biasing, and voltage sensing applications. Featuring an upgraded 0.5W power rating, it provides superior thermal stability and durability compared to standard 1/4W resistors. With a 5% tolerance and stable carbon film construction, this resistor is ideal for use in RC timing circuits, high-voltage bleeders, and as a pull-up/pull-down for high-impedance sensor interfaces in both professional and hobbyist electronics.

Key Features

• High Impedance Stability: Ideal for applications requiring minimal current draw and high-voltage reference points.

• Double Power Rating: The 0.5W capacity ensures the resistor remains cool in high-voltage divider applications, reducing thermal noise and resistance drift.

• Robust Axial Leads: Features thicker, tin-plated leads for a secure mechanical fit in solderless breadboards and permanent PCBs.

• Color Coded Identification: Clearly marked with a 4-band code (Yellow, Violet, Yellow, Gold) for instant manual sorting.

• Flame-Retardant Protection: Finished with a specialized lacquer coating to ensure safety during high-voltage transients.

Technical Details

• Maximum Working Voltage: Rated for stable operation up to 350V AC/DC, making it suitable for mains-linked sensing.

• Overload Surge Capacity: Can withstand short-duration peak surges up to 700V without immediate failure.

• Operating Temperature Range: Reliable performance maintained across a wide thermal range of -55°C to +155°C.

• Temperature Coefficient: Typically rated at ±450 ppm/°C, ensuring minimal drift in high-resistance timing circuits.

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

• Lead Quality: Solder-plated leads provide maximum conductivity and excellent solder wetting for wave or manual soldering.

• Resistance Stability: Engineered to maintain values within ±3% after 1,000 hours of operation at maximum rated load.

• Enhanced Heat Dissipation: Larger body size than 1/4W resistors allows for better air convection and lower surface temperatures.

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

• Low Parasitic Inductance: Suitable for high-speed signal paths and sensitive analog-to-digital conversion.

• Moisture Protection: Sealed with multiple epoxy layers to prevent oxidation of the carbon film in humid conditions.

• High Frequency Performance: Clean resistive characteristics make it suitable for high-speed digital logic isolation.

• Voltage Stability: Maintains a consistent resistance value even under fluctuating high-voltage levels.

• Terminal Strength: Leads are designed to withstand repeated bending during prototyping without mechanical breakage.

• Indefinite Shelf Life: Protective lacquer ensures the leads and element remain viable for long-term storage.