16mm Linear Carbon Potentiometers
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| Main centres: | 1-3 business days |
| Regional areas: | 3-4 business days |
| Remote areas: | 3-5 business days |
What it is: A standard 16mm rotary, variable resistor that uses a carbon composition element to adjust resistance as you turn the knurled shaft.
Key Specs:
Taper: Linear ("B" prefix) — resistance changes evenly/proportionally as the shaft rotates.
Resistance Values: Available in 5k (B5K), 10k (B10K), 20k (B20K), and 100k (B100K).
Power Rating: Typically 0.125W (1/8 Watt).
Rotation Angle: ~$300^\circ$ mechanical rotation.
Key Features: Standard 3-pin panel-mount design with an $M7\times0.75$ threaded bushing, nut, and washer for easy chassis mounting; fits standard press-on or set-screw knobs.
Common Uses: Volume and tone controls in audio equipment, speed adjustments for DC motor controllers, light dimmers, and analogue input tuning on Arduino, ESP32, and synth projects.