120 Ohm Resistor 1/4W ±5% Through Hole – Buy Online
Buy premium quality 120 Ohm resistor 1/4W with ±5% tolerance for your electronics projects. This through hole carbon film resistor is perfect for Arduino projects, PCB circuits, breadboard prototyping, and DIY electronics. Available at the best price in India with fast delivery and COD options.
Product Specifications:
- Resistance Value: 120 Ohm (120Ω)
- Tolerance: ±5% (Gold band)
- Power Rating: 1/4 Watt (0.25W)
- Type: Through Hole, Axial Lead
- Material: Carbon Film
- Temperature Coefficient: ±200 ppm/°C
- Operating Temperature: -55°C to +155°C
- Lead Type: Tinned copper wire
- Body Size: 3.2mm × 6.5mm (approx)
- Package: Tape/Bulk
- Color Code: Brown-Red-Brown-Gold
Applications & Uses:
This 120 ohm through hole resistor is widely used in:
Arduino & Raspberry Pi Projects – LED current limiting, pull-up/pull-down circuits PCB Circuit Design – Voltage dividers, signal conditioning Breadboard Prototyping – Educational electronics projects
Audio Circuits – Impedance matching, tone control Power Supply Circuits – Current sensing, voltage regulation LED Projects – Current limiting for 5V and 12V applications Sensor Interfacing – Signal conditioning for analog sensors DIY Electronics – Hobby projects, repairs, and modifications
Key Features & Benefits:
Superior Quality Standards:
- High precision ±5% tolerance for reliable performance
- Stable carbon film construction for long-term reliability
- RoHS compliant and eco-friendly materials
- Excellent temperature stability (-55°C to +155°C)
- Low noise characteristics for sensitive applications
Easy to Use:
- Standard through-hole design for easy PCB mounting
- Color-coded bands for quick identification
- Compatible with all standard PCB holes and breadboards
- Strong tinned copper leads for reliable soldering
Value for Money:
- Competitive pricing without compromising quality
- Bulk quantity discounts available
- Long shelf life with proper storage
- Replacement warranty available
How to Identify: Resistor Color Code
Color Band Reading (Left to Right):
- Brown = 1 (First digit)
- Red = 2 (Second digit)
- Brown = ×10 (Multiplier)
- Gold = ±5% (Tolerance)
Calculation: 12 × 10 = 120 Ohms
Technical Performance Data:
| Parameter | Specification |
|---|---|
| Maximum Voltage | 250V DC |
| Voltage Coefficient | ±0.02%/V |
| Load Life | 1000 hours at 70°C |
| Moisture Resistance | MIL-STD-202 |
| Insulation Resistance | >10,000 MΩ |
Package Contents:
- 120 Ohm Resistor 1/4W ±5% (Quantity as per selection)
- Proper anti-static packaging
- Product specification sheet
Frequently Asked Questions:
Q: What is the power rating of this resistor? A: This is a 1/4 Watt (0.25W) resistor suitable for low to medium power applications.
Q: Can I use this for LED current limiting? A: Yes, ideal for limiting current in LED circuits with 5V and 12V power supplies.
Q: What does ±5% tolerance mean? A: The actual resistance value will be between 114Ω to 126Ω (120Ω ±5%).
Q: Is this suitable for Arduino projects? A: Absolutely! Perfect for Arduino, ESP32, Raspberry Pi, and all DIY electronics projects.
Q: How do I identify the resistor value? A: Read the color bands: Brown-Red-Brown-Gold = 120 Ohm ±5%
Q: What is the maximum current this can handle? A: Maximum continuous current = √(0.25W/120Ω) ≈ 45mA
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