1k Ohm 0.25W Carbon Film Resistor - 5% Tolerance (Pack of 5)

Product Description: The 1k Ohm 1/4 Watt Resistor is one of the most widely used passive components in electronics, serving as a standard for current limiting and signal biasing. These resistors feature a 5% tolerance, ensuring reliable performance for general-purpose applications. With a standard 0.25W power rating, they are the go-to choice for pull-up/pull-down logic, LED protection in 5V-12V circuits, and as base resistors for transistors.

Key Features

• Universal Application: The "bread-and-butter" value for digital logic and analog prototyping.

• Axial Through-Hole Leads: Flexible leads allow for easy insertion into breadboards or soldering on PCBs.

• Standard Color Coding: Features the 4-band color code (Brown, Black, Red, Gold) for rapid manual identification.

• Stable Carbon Film Construction: Offers high reliability with low electrical noise and consistent resistance.

• Safety Coating: Finished with a flame-retardant lacquer to prevent damage during minor electrical overloads.

Technical Details

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

• Overload Surge Capacity: Can withstand temporary peak voltages up to 500V for short durations.

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

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

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

• Lead Material: Solder-plated copper-clad steel leads for high conductivity and excellent solder wetting.

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

• Miniature Body Size: Compact axial dimensions (approx. 2.3mm x 6.5mm) for high-density component layouts.

• Environmental Compliance: Fully RoHS compliant and lead-free for modern manufacturing standards.

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

• Precision Grade: Class J (±5%) provides a cost-effective balance for most hobbyist and commercial projects.

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