The 100Ω Resistor is a fixed through-hole carbon film resistor designed to limit current, divide voltage, and protect electronic components in a wide range of circuits. It is one of the most commonly used resistor values for LED current limiting, Arduino projects, breadboard prototyping, PCB designs, and DIY electronics.
Features
- Fixed resistance value of 100Ω
- 1/4W (0.25W) power rating
- ±5% tolerance
- Through-hole axial lead package
- Low noise and stable performance
- Flame-retardant protective coating
- Suitable for breadboards and PCB mounting
Specifications
| Specification | Value |
|---|---|
| Product Type | Fixed Resistor |
| Resistance Value | 100Ω |
| Power Rating | 0.25W (1/4 Watt) |
| Tolerance | ±5% |
| Resistor Type | Carbon Film |
| Temperature Coefficient | ±350 ppm/°C (Typical) |
| Maximum Working Voltage | 250V |
| Maximum Overload Voltage | 500V |
| Mounting Type | Through-Hole |
| Package | Axial Lead |
| Operating Temperature | -55°C to +155°C |
Color Code
| Band | Color | Value |
|---|---|---|
| 1 | Brown | 1 |
| 2 | Black | 0 |
| 3 | Brown | ×10 |
| 4 | Gold | ±5% |
Note: The color code Brown – Black – Brown – Gold represents a 100Ω resistor with ±5% tolerance.
Applications
- LED current limiting
- Arduino and ESP32 projects
- Breadboard prototyping
- PCB circuit design
- Voltage divider circuits
- Signal conditioning
- Educational electronics
- DIY electronics projects
- General-purpose electronic circuits
Advantages
- Stable resistance value
- Low noise operation
- Compact and lightweight
- Easy to solder
- Reliable performance
- Widely used standard value
- Cost-effective
Size
| Specification | Value |
|---|---|
| Body Length | Approx. 6.3 mm |
| Body Diameter | Approx. 2.3 mm |
| Lead Diameter | Approx. 0.55 mm |
| Lead Length | Approx. 28 mm |
| Weight | Approx. 0.2 g |
Package Includes
- 5 × 100Ω 1/4W Carbon Film Resistors
Note: The maximum power dissipation of this resistor is 0.25W (1/4 Watt). Ensure that the applied voltage and current remain within the rated limits to prevent overheating. This resistor is commonly used as a current-limiting resistor for LEDs and in general-purpose electronic circuits.







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