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Pricelist: Retail Price (B2C) Pricelist
27 Ohm 0.25W Carbon Film Resistor - 5% Tolerance (Pack of 5)

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

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ComponentSpecification
Resistance Value27 Ohms (27Ω)
Power Rating0.25 Watts (1/4 Watt)
Tolerance±5% (J Type)
ConstructionCarbon Film
Package TypeThrough-Hole (Axial)
QuantityPack of 5 Units
Price
₹ 8.47 ₹ 8.47
(Tax included)

Product Description The 27 Ohm 1/4 Watt Resistor is a high-quality passive component designed for low-resistance circuit applications. With a 5% tolerance and a standard 1/4W power rating, these resistors are excellent for current sensing, small voltage drops, and snubbing in power supply circuits. The carbon film construction ensures a balance of stability and affordability for both educational prototyping and professional PCB assembly.

Key Features

  • Low-Impedance Precision: Ideal for fine-tuning current flow in low-voltage logic and analog paths.

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

  • Axial Lead Format: Standard flexible leads are compatible with all solderless breadboards and universal perf-boards.

  • Color Code Marking: Marked with the 4-band code (Red, Violet, Black, Gold) for instant manual identification.

  • Flame Retardant Coating: Coated with a protective lacquer to prevent oxidation and ensure safety during minor overloads.

Technical Details

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

  • Overload Surge Voltage: Capable of withstanding short-duration peaks up to 500V without failure.

  • Operating Temperature: Functions reliably across a wide range from -55°C to +155°C.

  • Temperature Coefficient: Rated at ±450 ppm/°C, minimizing resistance drift during thermal changes.

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

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

  • Resistance Shift: Engineered to maintain values within ±3% even after 1,000 hours of continuous load.

  • Compact Dimensions: Miniature axial size (approx. 2.3mm diameter) allows for high-density component layouts.

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

  • High Frequency Response: Low parasitic inductance makes it suitable for signal termination and basic RF filtering.

  • Standard Precision: Class J (±5%), providing a cost-effective solution for most hobbyist and commercial projects.

  • Moisture Protection: Multiple epoxy layers prevent oxidation of the carbon element in humid conditions.

Prototyping and Engineering Tips from Robogears

  • 9V Battery Use: In 9V battery projects, a 27 Ohm resistor can be used for low-side switching with high-current LEDs or as a small dummy load for testing low-power supply rails.

  • 18650 Monitoring: Excellent as a current sensing resistor in series with an 18650 cell to measure discharge rates using an ADC pin.

  • IC Protection: Ideal for limiting inrush current to the gate of a Power MOSFET or as a series resistor to protect microcontroller I/O pins from low-impedance shorts.

  • Related Products: We recommend pairing these with our Half-Size Breadboards and 22 AWG Jumper Wires.

Package Includes

  • 5 x 27 Ohm 1/4 Watt Carbon Film Resistors.

Disclaimer

Images are for illustration purposes only.