4.7k Ohm 0.25W Carbon Film Resistor - 5% Tolerance (Pack of 5)

Product Description The 4.7k Ohm 1/4 Watt Resistor is one of the most widely used passive components in electronics, essential for signal conditioning and digital logic stabilization. These resistors feature a 5% tolerance, making them a standard choice for pull-up/pull-down networks in microcontroller circuits. With a 0.25W power rating, they provide a stable resistive barrier in a compact axial form factor, ensuring clean signal transitions and reliable biasing for transistors and ICs.

Key Features

• Microcontroller Essential: The "go-to" value for pull-up resistors on I2C communication lines and reset pins for Arduino/ESP32.

• Axial Through-Hole Leads: Features pliable, tin-plated leads designed for seamless insertion into breadboards and easy soldering on PCBs.

• 4-Band Color Identification: Marked with Yellow, Violet, Red, Gold bands for instant manual sorting and value verification.

• Stable Carbon Film Tech: Provides consistent performance with low electrical noise and high thermal stability.

• Flame Retardant Coating: Built with a protective lacquer layer to enhance safety and prevent oxidation in humid conditions.

Technical Details

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

• Overload Surge Capacity: Capable of withstanding short-duration peak surges up to 500V without failure.

• Operating Temperature: Maintains accurate resistance values within a thermal range of -55°C to +155°C.

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

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

• Lead Material: 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 component layouts.

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

• Low Parasitic Inductance: Suitable for high-speed logic signal conditioning and basic RF filtering.

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

• Audio Performance: Low current-noise characteristics make them suitable for basic audio signal conditioning.

• Precision Class: Classified as Class J (±5%) for cost-effective performance in general-purpose electronics.

• Voltage Coefficient: maintains resistance stability even under fluctuating voltage levels.

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