Trimmer Potentiometer 10KΩ Single-Turn — Breadboard Compatible, Top-Adjust, 5-Pack

Trimmer Potentiometer — 10KΩ Single-Turn, Top-Adjust, Breadboard Compatible (5-Pack)

The 10KΩ single-turn trimmer potentiometer is the most commonly stocked trimmer value in any electronics lab — and for good reason. At 10KΩ, it sits at the sweet spot for voltage dividers, op-amp gain networks, comparator thresholds, and sensor calibration circuits. This single-turn version with top-mounted screwdriver adjustment and breadboard-compatible formed leads is the go-to choice for prototyping: plug it directly into a solderless breadboard, adjust with a flat-head screwdriver, and your circuit is calibrated in seconds.

Cermet resistive element provides significantly better long-term stability than carbon trimmers — resistance stays consistent across temperature cycles and humidity, making these suitable for both bench prototyping and permanent installation in enclosures.

Key Specifications

Resistance	10KΩ (10,000Ω)
Tolerance	±10% (typical measured: 9.5K–10.5KΩ)
Power Rating	0.5W
Turns	Single-turn (~270° rotation)
Adjustment	Top-mounted screwdriver slot
Resistive Element	Cermet
Min Resistance (wiper)	<2Ω
Package	3 radial leads, 10×10×10mm
Lead Spacing	Formed for solderless breadboard compatibility
Compliance	RoHS compliant

Single-Turn vs Multi-Turn — Which to Choose?

• Single-turn (this): Full resistance range in ~270° of rotation — fast adjustment, ideal for non-critical settings, LED brightness, motor speed, and coarse calibration. Best when you need quick adjustment without fine precision.
• Multi-turn 3296: Full range across ~20 turns — 20× finer resolution. Best for precision reference voltages, sensor span calibration, and any setting that must be stable and repeatable over time.

Typical Applications

• Comparator threshold setting — LM393, LM339: set the voltage at which the comparator switches
• Op-amp gain adjustment — LM358, LM741: trim closed-loop gain in inverting/non-inverting amplifier circuits
• Arduino analog input voltage divider — set a variable reference voltage for ADC input calibration
• Sensor output calibration — light (LDR), temperature (NTC/PTC), and pressure sensor zero-point adjustment
• LED brightness control — set fixed brightness level for indicator LEDs in enclosures
• NE555 / TLC555 timing adjustment — fine-tune oscillator frequency or monostable pulse width
• Motor speed coarse setting — set base speed for DC motor PWM driver circuits
• Audio level trim — balance channel levels in audio mixer and amplifier circuits

Why Cermet Over Carbon?

Carbon trimmers are cheap but drift — resistance changes with temperature, humidity, and age. Cermet (ceramic-metal) trimmers maintain their set resistance across a wide temperature range (−40°C to +85°C), resist moisture, and last significantly longer. For any circuit where the trimmer setting must remain stable after calibration, cermet is the professional choice.

Package Contents

• 5 × Trimmer Potentiometer 10KΩ Single-Turn (top-adjust, breadboard compatible, cermet)

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