The 100kΩ (100,000 Ohm) Resistor is a fixed through-hole carbon film resistor designed for voltage division, pull-up/pull-down circuits, transistor biasing, timing circuits, and signal conditioning. It is widely used in Arduino projects, breadboard prototyping, PCB designs, audio circuits, sensor interfaces, and DIY electronics.
Features
- Fixed resistance value of 100kΩ
- 1/4W (0.25W) power rating
- ±5% tolerance
- Through-hole axial lead package
- Low noise and stable performance
- Flame-retardant protective coating
- Compatible with breadboards and PCBs
Specifications
| Specification | Value |
|---|---|
| Product Type | Fixed Resistor |
| Resistance Value | 100kΩ (100,000Ω) |
| 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 | Yellow | ×10,000 |
| 4 | Gold | ±5% |
Note: The color code Brown – Black – Yellow – Gold represents a 100kΩ resistor with ±5% tolerance.
Applications
- Pull-up and pull-down resistors
- Voltage divider circuits
- Transistor biasing
- RC timing circuits
- Arduino and ESP32 projects
- Sensor interface circuits
- Audio amplifier circuits
- Breadboard prototyping
- DIY electronics projects
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 × 100kΩ (100,000Ω) 1/4W Carbon Film Resistors
Note: The maximum power dissipation of this resistor is 0.25W (1/4 Watt). Ensure the applied voltage and current remain within the rated limits to prevent overheating. The 100kΩ resistor is commonly used for pull-up/pull-down networks, RC timing circuits, transistor biasing, analog input stabilization, and general-purpose electronic applications.







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