Description
100kΩ (100 Kilo-ohm) Resistor – 1/4W, 5% Tolerance
A high-resistance component essential for low-power electronic circuits. This 100kΩ resistor is the industry standard for pull-up and pull-down operations on microcontrollers where power conservation is a priority. Ideally suited for voltage dividers, op-amp circuits, and high-impedance inputs.
Key Features
- Power Efficient: High resistance value reduces current flow, making it ideal for battery-powered devices.
- Standard Identification: Features the classic 4-band color code (Brown, Black, Yellow, Gold).
- Precision Compatible: Works seamlessly with Arduino, ESP32, and Raspberry Pi inputs.
- Durable: Carbon film construction with reliable axial leads for easy soldering or breadboarding.
Technical Specifications
| Resistance Value | 100kΩ (100,000 Ohms) |
| Tolerance | ±5% (Gold Band) |
| Power Rating | 1/4 Watt (0.25W) |
| Type | Axial Lead, Carbon Film |
| Color Code | Brown – Black – Yellow – Gold |
Common Applications
- Microcontroller Pull-ups: Keeps input pins in a known state (High/Low) while using minimal current.
- Voltage Dividers: Used to step down voltages for sensor reading (e.g., measuring 12V batteries with a 5V Arduino).
- Timing Circuits: Creates long-duration timers when paired with capacitors in 555 timer circuits.
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