| Allicdata Part #: | SM-3A504-ND |
| Manufacturer Part#: |
SM-3A504 |
| Price: | $ 1.67 |
| Product Category: | Potentiometers, Variable Resistors |
| Manufacturer: | Nidec Copal Electronics |
| Short Description: | TRIMMER 500K OHM 0.125W SMD |
| More Detail: | 500 kOhms 0.125W, 1/8W J Lead Surface Mount Trimme... |
| DataSheet: |  SM-3A504 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: | SM3 |
| Packaging: | Bulk |
| Moisture Sensitivity Level (MSL): | -- |
| Part Status: | Active |
| Resistance: | 500 kOhms |
| Power (Watts): | 0.125W, 1/8W |
| Tolerance: | ±20% |
| 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: | Square - 0.154" L x 0.154" W x 0.134" H (3.90mm x 3.90mm x 3.40mm) |
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Trimmer Potentiometers
The SM-3A504 is a type of trimmer potentiometer, used in all kinds of electronic control systems and other applications. It is a single-turn trimmer with a range of 0.001 to 0.01 ohms and a high precision adjustment. As a result, it is widely used in various applications, such as measuring circuits, automatic control systems, power supplies, voltage-stabilizing circuits, and so on.
Application Field
The SM-3A504 is used in various electronic control systems, Automatic Data Processing (ADP) systems, and other power-supply circuits. Its high precision and wide adjustment range make it ideal for various applications. In addition, its positive detent makes it suitable for use for either manual or machine-controlled adjustments.
It is especially suitable for the design of control systems for industrial automation and instrumentation. It can be used for manual adjustments and calibrations of parameters in servo-systems, control loops, and precision analog circuits. It is also suitable for the testing and calibration of integrated circuits, making it a valuable tool for analog engineers.
Working Principle
The SM-3A504 is powered by a DC voltage, typically 5V, and is capable of being adjusted using a screwdriver or machine-controlled adjuster. It operates on the principle of sliding contact and is driven by the wiper contact with the resistance element. The resistance element is a wire wound on a post.
The wiper contact is adjustable and slides along the resistance element in order to change the resistance. As the wiper contact slides along the resistance element, its electrical characteristics change to create a variation in voltage and resistance. This variation in voltage, combined with the resistance element, creates the desired effect.
The use of the SM-3A504 allows for a great degree of flexibility and control when designing electronic devices and mechanisms. It also allows for accuracy when calibrating or reading parameters and features, due to its extremely precise adjustment range. This makes it a valuable tool for analog engineers.
The specific data is subject to PDF, and the above content is for reference
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