| Allicdata Part #: | SM-42X502-ND |
| Manufacturer Part#: |
SM-42X502 |
| Price: | $ 1.72 |
| Product Category: | Potentiometers, Variable Resistors |
| Manufacturer: | Nidec Copal Electronics |
| Short Description: | TRIMMER 5K OHM 0.25W SMD |
| More Detail: | 5 kOhms 0.25W, 1/4W Gull Wing Surface Mount Trimme... |
| DataSheet: |  SM-42X502 Datasheet/PDF |
| Quantity: | 1000 |
| Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
| 50 +: | $ 1.55837 |
| 100 +: | $ 1.49600 |
| 250 +: | $ 1.43366 |
| 500 +: | $ 1.18431 |
| 1000 +: | $ 1.12198 |
| 5000 +: | $ 0.93498 |
| Series: | SM4 |
| Packaging: | Bulk |
| Moisture Sensitivity Level (MSL): | -- |
| Part Status: | Active |
| Resistance: | 5 kOhms |
| Power (Watts): | 0.25W, 1/4W |
| Tolerance: | ±10% |
| Temperature Coefficient: | ±100ppm/°C |
| Number of Turns: | 11 |
| Adjustment Type: | Top Adjustment |
| Resistive Material: | Cermet |
| Mounting Type: | Surface Mount |
| Termination Style: | Gull Wing |
| Size / Dimension: | Rectangular - 0.189" x 0.138" Face x 0.201" H (4.80mm x 3.50mm x 5.10mm) |
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Trimmer Potentiometers
The SM-42X502 Trimmer Potentiometers is a two-terminal adjustable resistor designed for applications such as calibrating instrumentation and adjusting the voltage of various electronic components.The main purpose of a trimmer potentiometer is to provide an adjustable variable resistance in circuits, often for the purpose of tuning or compensating for differences in components, allowing for greater accuracy. The device is usually labeled SM-42X502, and is composed of three terminals and a knob.
The first terminal, or terminal 1, is the common terminal, also known as the fixed end. This terminal typically does not move and is soldered directly to the board or PCB. The second terminal, or terminal 2, is the wiper arm, and is connected to the knob used to adjust the resistance. The third terminal, or terminal 3, is the variable terminal and is where the resistance is adjusted. When the knob is turned, the wiper arm moves which adjusts the resistance.
The applications for the SM-42X502 trimmer potentiometers are numerous. They can be used in power supplies to maintain a steady voltage. They can also be used in audio equipment to adjust the levels of frequency range. SM-42X502s are also commonly found in industrial instrumentation, such as temperature and pressure monitoring systems. Additionally, they are used in a variety of analog and digital signal processor circuits to adjust the gain or frequency response.
The working principle of the SM-42X502 trimmer potentiometer is similar to that of a traditional potentiometer. As the knob is turned, the wiper arm is adjusted, which causes a change in the resistance. The resistance is calculated by subtracting the sum of the resistance from the fixed end of the wiper arm and the resistance from the variable end of the wiper arm. The more the knob is turned, the greater the resistance.
The SM-42X502 trimmer potentiometer is a reliable and accurate device, used for many different applications. It has three terminals and a knob for adjusting the resistance, and is available in a wide range of packages and resistance values. It is a versatile device, used to adjust voltages and frequencies in a variety of electronic systems.
The specific data is subject to PDF, and the above content is for reference
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