| Allicdata Part #: | P3X2503-ND |
| Manufacturer Part#: |
EVU-E3KFK4D54 |
| Price: | $ 0.71 |
| Product Category: | Potentiometers, Variable Resistors |
| Manufacturer: | Panasonic Electronic Components |
| Short Description: | POT 50K OHM 1/20W LOGARITHMIC |
| More Detail: | 50k Ohm 1 Gang Logarithmic Through Hole, Snap In P... |
| DataSheet: |  EVU-E3KFK4D54 Datasheet/PDF |
| Quantity: | 577 |
| Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
| Lead Free Status / RoHS Status: | Contains lead / RoHS non-compliant |
| 1 +: | $ 0.64260 |
| 10 +: | $ 0.56700 |
| 25 +: | $ 0.51030 |
| 50 +: | $ 0.49140 |
| 100 +: | $ 0.47250 |
| 250 +: | $ 0.44415 |
| 500 +: | $ 0.37800 |
| 1000 +: | $ 0.34965 |
| 5000 +: | $ 0.28728 |
| Temperature Coefficient: | -- |
| Mounting Type: | Through Hole, Snap In |
| Bushing Thread: | -- |
| Actuator Diameter: | 0.236" (6.00mm) |
| Actuator Length: | 0.689" (17.50mm) |
| Actuator Type: | Flatted |
| Termination Style: | PC Pins, Board Locks |
| Resistive Material: | -- |
| Adjustment Type: | Side Adjustment |
| Rotation: | 300° |
| Number of Turns: | 1 |
| Series: | EVU |
| Power (Watts): | 0.05W, 1/20W |
| Built in Switch: | Detent |
| Number of Gangs: | 1 |
| Tolerance: | ±20% |
| Resistance (Ohms): | 50k |
| Taper: | Logarithmic |
| Moisture Sensitivity Level (MSL): | -- |
| Part Status: | Active |
| Lead Free Status / RoHS Status: | -- |
| Packaging: | Bulk |
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The EVU-E3KFK4D54 is a type of rotary potentiometer, a rheostat. Rotary potentiometers measure the angle of rotation relative to a central axis. Rheostats reduce current flow and reduce voltage, typically applied to variable resistors or control the flow of electricity in a circuit, but their main purpose is for measuring the voltage within a circuit.
The EVU-E3KFK4D54 consists of a metal wire wound around an insulating material, typically a plastic disc or a ceramic body. This forms an upside-down “T” shape. As the material is rotated, the potential difference of the surface relative to the central axis changes. This is what’s measured - the differential potential between the two points on the surface determine the exact degree of rotation.
The EVU-E3KFK4D54 has a primary application for audio systems. Because audio systems require a large range of potentials of varying frequencies, the EVU-E3KFK4D54 enables maximum control and accuracy. It is a single component that requires signal rotation to change the degree of the difference in potential. It also has applications in heating systems, as they need to measure the temperature of a room or surface accurately.
The working principle of the EVU-E3KFK4D54 is quite simple. When the material is rotated, the higher or lower potential at each individual point relative to the center axis is measured. The change in potential, then, is used to measure the degree of rotation. The advantage of the EVU-E3KFK4D54 is that it requires just one component to measure the potential difference between two different points, reducing the amount of space and complexity of the overall circuit.
The EVU-E3KFK4D54 is a relatively simple device, but its uses and advantages make it important for a variety of applications. The accuracy of its potential measurements and its small form factor make it a great choice for audio systems and heating systems alike. And, because it requires only a single component to measure potential difference, it can also reduce the overall complexity and space required for a circuit.
The specific data is subject to PDF, and the above content is for reference
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