| Allicdata Part #: | SM-42A202-ND |
| Manufacturer Part#: |
SM-42A202 |
| Price: | $ 1.67 |
| Product Category: | Potentiometers, Variable Resistors |
| Manufacturer: | Nidec Copal Electronics |
| Short Description: | TRIMMER 2K OHM 0.25W SMD |
| More Detail: | 2 kOhms 0.25W, 1/4W J Lead Surface Mount Trimmer P... |
| DataSheet: |  SM-42A202 Datasheet/PDF |
| Quantity: | 1000 |
| Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
| 50 +: | $ 1.52624 |
| 100 +: | $ 1.46513 |
| 250 +: | $ 1.40410 |
| 500 +: | $ 1.15989 |
| 1000 +: | $ 1.09885 |
| 5000 +: | $ 0.91571 |
| Series: | SM4 |
| Packaging: | Bulk |
| Moisture Sensitivity Level (MSL): | -- |
| Part Status: | Active |
| Resistance: | 2 kOhms |
| Power (Watts): | 0.25W, 1/4W |
| Tolerance: | ±10% |
| Temperature Coefficient: | ±100ppm/°C |
| Number of Turns: | 11 |
| Adjustment Type: | Side Adjustment |
| Resistive Material: | Cermet |
| Mounting Type: | Surface Mount |
| Termination Style: | J Lead |
| Size / Dimension: | Rectangular - 0.189" x 0.181" Face x 0.146" H (4.80mm x 4.60mm x 3.70mm) |
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Trimmer potentiometers provide an easy, low-cost means of adjusting small signals in circuit designs. The SM-42A202 is a standard trimmer potentiometer, featuring a two-terminal motor that allows for independent adjustment of resistance values. It is often used in low-amplifier circuits, such as amplifier stages and preamplifiers, to provide feedback and tone control.
The SM-42A202 features an adjustable two-terminal motor which provides precise resistance adjustment without needing direct connection to the circuit under control. It has an excellent temperature stability and can be adjusted at a wide range of temperatures, making it an ideal choice for low-amplifier circuits. The maximum resistance and adjustment range for this potentiometer is 20 ohms and 2.5%; the linearity is 0.005%.
The SM-42A202 utilizes a two-terminal motor for resistance adjustment. This motor is located in one of the terminals and is operated by a shaft that engages with an internal spring-loaded arm. When the shaft is turned, the arm pulls or pushes the internal resistance element, changing the resistance value. The resistance is adjustable via an external control knob or a screw driver. The SM-42A202 also features a high dielectric strength which enables it to operate safely in high-voltage circuit designs.
The SM-42A202 is used in a variety of applications, including audio amplifiers, preamplifiers, equalizers, tone controls, and as a voltage divider. It can be used to regulate power supply levels, as a frequency-selective filter, or as an adjustable voltage regulator. It is also commonly used in tests, such as resistance-capacity tests and potentiometer tests.
The SM-42A202 is a reliable, cost-effective way to adjust small signals in circuit designs. It offers precise adjustment and excellent temperature stability, making it an ideal choice for low-amplifier circuits that require precise resistance adjustments. Its two-terminal motor also allows for independent adjustment of resistance values, making it a versatile solution for a wide range of applications.
The specific data is subject to PDF, and the above content is for reference
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