| Allicdata Part #: | SM-3W202-ND |
| Manufacturer Part#: |
SM-3W202 |
| Price: | $ 1.70 |
| Product Category: | Potentiometers, Variable Resistors |
| Manufacturer: | Nidec Copal Electronics |
| Short Description: | TRIMMER 2K OHM 0.125W SMD |
| More Detail: | 2 kOhms 0.125W, 1/8W J Lead Surface Mount Trimmer ... |
| DataSheet: |  SM-3W202 Datasheet/PDF |
| Quantity: | 1000 |
| Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
| 50 +: | $ 1.54224 |
| 100 +: | $ 1.48056 |
| 250 +: | $ 1.41886 |
| 500 +: | $ 1.17210 |
| 1000 +: | $ 1.11041 |
| 5000 +: | $ 0.92534 |
| Series: | SM3 |
| Packaging: | Bulk |
| Moisture Sensitivity Level (MSL): | -- |
| Part Status: | Active |
| Resistance: | 2 kOhms |
| Power (Watts): | 0.125W, 1/8W |
| Tolerance: | ±20% |
| Temperature Coefficient: | ±100ppm/°C |
| Number of Turns: | 11 |
| Adjustment Type: | Top Adjustment |
| Resistive Material: | Cermet |
| Mounting Type: | Surface Mount |
| Termination Style: | J Lead |
| Size / Dimension: | Rectangular - 0.154" x 0.126" Face x 0.154" H (3.90mm x 3.20mm x 3.90mm) |
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Trimmer Potentiometers play an important role in many industries. Among them, the SM-3W202 is a widely used trimmer potentiometer. It is used in many electronic engineering and industrial control systems, such as amplifiers, receivers, etc. Let’s explore its application field and working principle.
Application Field
The SM-3W202 is a three-terminal, 500-Ohm trimmer potentiometer. It is used to adjust the output of audio amplifiers, transmitters, receivers, and other electronic instruments or systems. It can also be used to set certain parameters of the electrical equipment, such as sensitivities, frequency characteristics, etc.
The trimmer potentiometer is used to precisely regulate the resistive values, current values, and voltage values of the devices connected to it. Thus, the adjustment of the output signal is achieved. For example, in audio equipment, the trimmer potentiometer can be used to adjust the volume, adjust the equalization of the sound quality, and control the treble and bass. It is also used to adjust the frequency characteristics, such as bass and treble, in some radio receivers.
Working Principle
The SM-3W202 trimmer potentiometer uses a circular resistive element, and it has three terminals. Generally, the terminals are connected by three resistors. The circular resistive element “trims” the resistors so that the output voltage or current is precisely adjusted. The trimmer potentiometer is usually adjusted by a screwdriver or other implement.
When adjusting the potentiometer, the screwdriver or other tool is used to turn the terminals. As the terminal turns, the resistance between the two terminals will change. For example, if the resistance between the two terminals is increased, the output voltage or current will increase accordingly. Similarly, if the resistance is decreased, then the output will be reduced.
The SM-3W202 trimmer potentiometer is very precise, and it can even be used in the most demanding electronic control systems. It has a wide range of applications, such as audio systems, radio receivers, and more.
The specific data is subject to PDF, and the above content is for reference
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