The Spain Trimmer Potentiometer is a compact fine-tuning potentiometer designed for precise resistance adjustment, circuit calibration, voltage regulation, and signal control. With a 10.3mm compact design, 240°±10° rotation angle, and through-shaft structure, it provides reliable adjustment performance for a wide range of electronic devices and control circuits.
Available in both top-adjust and side-adjust versions, this trimmer potentiometer can be integrated into different PCB layouts and equipment structures. It is suitable for radios, electric tools, instruments, audio equipment, and other electronic applications requiring stable and precise parameter adjustment.
Spain Trimmer Potentiometer Specifications
| Parameter | Specification |
|---|---|
| Dimensions | 10.3mm |
| Rotation Angle | 240°±10° |
| Rotational Torque | 10~100gf·cm |
| Rated Power | 0.15W |
| Operating Temperature | -25℃ to 70℃ |
| Rotational Life | 10,000 cycles Min. |
| Adjustment Type | Top-adjust and side-adjust versions |
| Design | Compact through-shaft design |
| Applications | Radios, electric tools, instruments and related electronic devices |
Product Features
Compact Design: The 10.3mm size helps save PCB space and makes the potentiometer suitable for compact electronic equipment.
Through-Shaft Structure: The through-shaft design provides convenient installation and adjustment in different circuit layouts.
Precise Adjustment: The 240°±10° rotation angle supports accurate resistance adjustment for circuit calibration and parameter setting.
Reliable Performance: The potentiometer provides stable operation for electronic circuits requiring repeated fine adjustments.
Flexible Adjustment Direction: Top-adjust and side-adjust versions are available to meet different PCB and equipment installation requirements.
Long Rotational Life: The minimum rotational life reaches 10,000 cycles, supporting repeated adjustment and calibration.
Product Operating Principle
A trimmer potentiometer works by changing the effective resistance through the movement of an internal sliding contact along a resistive element. When the adjustment screw or shaft is rotated, the position of the contact changes, which changes the resistance value between the terminals.
This resistance adjustment can be used to control voltage division, circuit bias, signal level, feedback parameters, and other electrical characteristics. By making small resistance changes, engineers can fine-tune the operating conditions of an electronic circuit and bring its electrical parameters to the desired values.
Compared with a standard user-operated potentiometer, a trimmer potentiometer is mainly designed for internal adjustment during manufacturing, testing, calibration, or maintenance. Its compact structure makes it especially suitable for PCB-mounted electronic applications where installation space is limited.
Product Functions
Precision Calibration: Enables fine resistance adjustment to calibrate circuit parameters and compensate for component tolerances.
Voltage Regulation: Can be used in voltage-divider circuits to adjust reference voltage and circuit operating points.
Signal Adjustment: Supports signal-level adjustment and balancing in audio, communication, and signal-processing circuits.
Feedback Adjustment: Allows precise adjustment of feedback resistance in control and sensor circuits.
Frequency Regulation: Can be integrated into circuits where resistance adjustment is required for frequency tuning.
Speed Regulation: Can be used in suitable electronic control circuits for speed adjustment and parameter optimization.
Product Applications
Electronic Instruments
The trimmer potentiometer can be used for internal circuit calibration and parameter adjustment in measuring instruments and electronic testing equipment.
Radio Equipment
It can be applied to tuning, signal adjustment, and circuit calibration in radios and related electronic communication equipment.
Electric Tools
The compact potentiometer can be integrated into control circuits of electric tools for internal parameter adjustment and circuit optimization.
Industrial Control Systems
It can be used to adjust feedback signals, reference voltages, and other control parameters in electronic control systems.
Audio Equipment
The potentiometer can be used for signal attenuation, channel balancing, and internal calibration in audio circuits.
Electronic Devices
Its compact size and flexible adjustment configuration make it suitable for various PCB-mounted electronic devices requiring precise resistance adjustment.
Top-Adjust and Side-Adjust Versions
The Spain Trimmer Potentiometer is available in both top-adjust and side-adjust configurations. The top-adjust version is suitable for applications where the adjustment point is accessible from the top of the PCB, while the side-adjust version is suitable for layouts where adjustment access is required from the side.
These two adjustment configurations provide greater flexibility when designing electronic equipment, allowing engineers to select the appropriate structure according to PCB layout, enclosure design, and installation requirements.
FAQ
What is a trimmer potentiometer?
A trimmer potentiometer is a small adjustable resistor mainly used for fine-tuning and calibrating electronic circuits. It is generally adjusted during manufacturing, testing, servicing, or maintenance rather than continuous user operation.
What is the operating temperature range of this trimmer potentiometer?
The specified operating temperature range is -25℃ to 70℃.
What is the rated power of the potentiometer?
The rated power is 0.15W.
How many rotational cycles can it support?
The specified rotational life is a minimum of 10,000 cycles.
What adjustment types are available?
Both top-adjust and side-adjust versions are available for different PCB layouts and equipment structures.
Where can this trimmer potentiometer be used?
It is suitable for radios, electric tools, electronic instruments, audio equipment, industrial control circuits, and other electronic devices requiring precise resistance adjustment.
