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

Product Description The 270 Ohm 1/4 Watt Resistor is a high-quality passive component designed for reliable current regulation and signal conditioning. These resistors feature a 5% tolerance, making them a versatile choice for standard prototyping, LED current limiting, and base biasing in transistor circuits. With a 0.25W power rating, they provide a stable resistive barrier for a wide range of hobbyist and professional electronic projects.

Key Features

• Ideal for 5V-12V Systems: Frequently used to protect LEDs or set logic levels in microcontroller-based projects.

• Standard Axial Leads: Flexible through-hole leads allow for quick insertion into breadboards or permanent soldering on PCBs.

• 4-Band Color Identification: Marked with clear Red, Violet, Brown, Gold bands for instant manual sorting.

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

• Protective Lacquer Coating: Features a flame-retardant 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.

• Maximum Overload Voltage: Capable of withstanding short-duration surge peaks up to 500V.

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

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

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

• Lead Material: Solder-plated copper-clad steel leads for superior conductivity and strong solder 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) allow for 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.

• Reliability: Designed to fail open-circuit during extreme overloads to protect neighboring components.