Generic Metal Variable Resistor Preset – 2K Ohm
₹0.50₹2.00 (price_including_tax) (-75%)
Achieve precise resistance control in your circuits. Ideal for fine-tuning signal levels, setting thresholds, or calibrating sensor inputs in various designs. Constructed with durable metal for stable operation and long-term reliability in demanding environments.
Robust 2K Ohm variable resistor preset offers precise resistance tuning for diverse electronic circuit applications.
Achieve fine-grained circuit tuning with predictable resistance changes for optimal system performance.
Metal construction ensures extended lifespan and stable operation even in challenging industrial environments.
Perfect for voltage division, current limiting, and signal conditioning in diverse electronic projects.
The Engineering Behind 2K Ohm Metal Variable Resistor
This 2K Ohm Metal Variable Resistor, often referred to as a preset potentiometer, is a fundamental passive component designed to offer adjustable electrical resistance within a circuit. Its primary function involves providing a variable voltage division or current limiting capability, crucial for calibration, tuning, and control applications. Internally, a resistive track is connected to two fixed terminals, while a wiper terminal moves along this track, altering the resistance between the wiper and either fixed terminal.
Engineered with a robust metal housing, this component ensures enhanced durability and heat dissipation compared to common plastic variants, making it suitable for environments requiring stable performance under varying conditions. Its compact design and standard pin configuration facilitate easy integration into breadboards, PCBs, and educational circuits, serving as an excellent tool for both prototyping and final product development.
Precise Resistance Tuning
The core benefit of this variable resistor lies in its ability to precisely adjust resistance from zero up to its nominal value of 2K Ohms. This fine-tuning capability is indispensable for applications like setting the gain of amplifiers, adjusting LED brightness, controlling frequency in oscillator circuits, or accurately calibrating sensor outputs, providing engineers with granular control over circuit behavior.
Durable Metal Construction
Traditional variable resistors often suffer from wear and tear or thermal instability, leading to inaccurate adjustments and reduced lifespan. The metal construction of this preset resistor significantly enhances its mechanical robustness and thermal stability, mitigating these common pain points. This structural integrity ensures consistent performance and extended operational life, even with frequent adjustments or in fluctuating temperature conditions, proving vital for long-term reliable embedded systems.
Optimized for Performance & Integration
- Resistance Value: 2 kOhms
- Resistance Taper: Linear
- Power Rating: 0.25 W
- Mounting Type: Through-hole
- Tolerance: ±10%
- Operating Temperature: -25°C to +70°C
- Turns: Single Turn
- Number of Terminals: 3
Features & Benefits
- 2K Ohm Variable Resistance: Offers flexible resistance adjustment for diverse circuit tuning and calibration needs.
- Robust Metal Housing: Ensures superior durability and improved heat dissipation for stable, long-term operation.
- Preset Design: Ideal for ‘set and forget’ applications, providing stable resistance once adjusted.
- Through-Hole Mounting: Facilitates easy and secure integration onto standard printed circuit boards and breadboards.
- Linear Taper: Provides a predictable and consistent change in resistance proportional to the adjustment.
- Wide Operating Temperature: Guarantees reliable performance across a broad range of environmental conditions.
Pro-Grade Advantages
- High precision for circuit calibration.
- Excellent mechanical and thermal stability due to metal build.
- Simple and reliable operation in ‘set and forget’ scenarios.
- Cost-effective solution for basic variable resistance needs.
Technical Considerations
- Limited to single-turn adjustment, less fine control than multi-turn pots.
- Lower power handling compared to larger, specialized power resistors.
What is a variable resistor preset?
A variable resistor preset, also known as a trim potentiometer, is a small, adjustable resistor designed to be set once during circuit calibration and then left untouched. It provides a specific resistance value that can be altered using a screwdriver.
How does a 2K Ohm variable resistor function?
It functions by varying the length of a resistive track between its fixed terminals and a moving wiper. Adjusting the wiper changes the resistance, allowing for precise voltage division or current control up to 2000 Ohms.
What are the common applications for this component?
Common applications include adjusting signal levels in audio circuits, calibrating sensor inputs, setting voltage reference points, controlling LED brightness, and fine-tuning timing circuits in various electronic projects.
Can this preset resistor be used for high-power applications?
No, this generic 2K Ohm metal variable resistor preset is generally designed for low to medium power applications, typically up to 0.25 Watts. For high-power scenarios, specialized power resistors or potentiometers are required.
What does ‘linear taper’ mean for a variable resistor?
A linear taper means that the resistance changes uniformly with the physical rotation or adjustment of the wiper. For example, half rotation would result in half the maximum resistance, providing predictable control.
What is the significance of its metal construction?
Metal construction significantly enhances the durability and thermal stability of the resistor. It provides better heat dissipation and mechanical robustness, leading to more stable and reliable performance over time, especially in fluctuating temperatures.
| Specification | Value |
|---|---|
| Resistance Range | 0 – 2000 Ohms |
| Nominal Resistance | 2 kOhms |
| Power Dissipation | 0.25 W |
| Resistance Taper | Linear |
| Tolerance | ±10% |
| Number of Terminals | 3 |
| Mounting Type | Through-hole (PCB) |
| Operating Temperature | -25°C to +70°C |
| Adjustment Type | Single Turn (Screwdriver) |
| Dielectric Strength | ~500VAC (Typical) |
Additional information
| Brand | Generic |
|---|---|
| Technology | Passive Component |
| Value | 2K Ohm |
| Tolerance | ±10% |
| Power Rating | 0.25 W |
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