3.3k Ohm 0.5W Carbon Film Resistor - 5% Tolerance (Pack of 5)

Product Description The 3.3k Ohm 1/2 Watt Resistor is a high-performance passive component designed for superior thermal stability in signal conditioning and biasing circuits. With its upgraded 0.5W power rating, it offers double the heat dissipation capacity of standard 1/4W resistors, making it ideal for continuous-duty voltage dividers and pull-up networks. Featuring a 5% tolerance and rugged carbon film construction, it ensures reliable logic levels and precise analog references for both professional PCB assembly and hobbyist prototyping.

Key Features

• High Power Headroom: The 1/2 Watt rating ensures the resistor stays cool even in high-duty biasing applications, reducing thermal drift.

• Stable Signal Conditioning: Perfect for setting operating points in transistor circuits or as a reference in analog sensor networks.

• Breadboard Compatible: Features thicker, tin-plated axial leads designed for a secure mechanical fit in solderless breadboards.

• Visual Identification: Marked with a clear 4-band color code (Orange, Orange, Red, Gold) for rapid manual sorting.

• Safety Grade Coating: Finished with a flame-retardant lacquer to protect against oxidation and minor electrical stress.

Technical Details

• Maximum Working Voltage: Rated for stable operation up to 350V AC/DC in standard environments.

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

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

• Temperature Coefficient: Typically rated at ±450 ppm/°C, providing thermal stability during continuous operation.

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

• Lead Material: Solder-plated copper-clad steel leads for superior conductivity and mechanical strength.

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

• Optimized 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.

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

• 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.

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

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

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