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मूल्य सूची: Retail Price (B2C) मूल्य सूची
मूल्य सूची: Retail Price (B2C) मूल्य सूची
39 Ohm 0.25W Carbon Film Resistor - 5% Tolerance (Pack of 5)

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

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ComponentSpecification
Resistance Value39 Ohms (39Ω)
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 39 Ohm 1/4 Watt Resistor is a high-quality passive component designed for low-resistance applications like current sensing and circuit protection. These resistors feature a 5% tolerance, ensuring reliable electrical behavior in standard prototyping and repair projects. With a 0.25W power rating, they provide a stable resistive barrier for low-voltage signal conditioning and filtering in compact electronic designs.

Key Features

  • Low Ohmic Utility: Ideal for applications requiring a minimal voltage drop or stabilization in power LED circuits.

  • Axial Through-Hole Design: Standard flexible leads allow for easy insertion into breadboards or permanent soldering on PCBs.

  • 4-Band Color Identification: Features the standard marking (Orange, White, Black, Gold) for rapid manual identification and sorting.

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

  • Flame Retardant Coating: Finished with a protective lacquer layer to enhance safety during minor electrical overloads.

Technical Details

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

  • Operating Temperature Range: Reliable performance maintained from -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 superior conductivity and strong solder joints.

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

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

  • RoHS Compliant: Manufactured using lead-free processes to meet modern environmental safety standards.

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

  • Moisture Protection: Sealed with multiple epoxy layers to prevent oxidation in high-humidity areas.

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

Prototyping and Engineering Tips from Robogears

  • 9V Battery Use: When using a 9V battery, a 39 Ohm resistor is an excellent choice for driving high-power 1W LEDs (with proper heatsinking) or as a small dummy load.

  • 18650 Monitoring: Use this as a current shunt resistor in series with an 18650 cell to measure discharge current using a microcontroller's ADC pin.

  • IC & Driver Support: Ideal for protecting the output stages of motor drivers or as a snubber component to reduce voltage spikes in switching circuits.

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

Package Includes

  • 5 x 39 Ohm 1/4 Watt Carbon Film Resistors.

Disclaimer

Images are for illustration purposes only.