The six-pin potentiometer, as the name implies, is a potentiometer with six feet. This type of potentiometer is not much, but the application is also extensive. There are many types of common adjustable potentiometer models, such as the 3266 potentiometer product introduction and technical parameters, 3296 precision potentiometer package characteristics, etc. are all six-foot potentiometers that have been touched before. As the name implies, this potentiometer has six feet. The potentiometer, this potentiometer model is not much, but the application is also extensive. There are many types of common adjustable potentiometer models, such as the 3266 potentiometer product introduction and technical parameters, 3296 precision potentiometer package characteristics, etc. are all previously contacted. In Buster's many potentiometers, we have a hot six-leg potentiometer - iron handle potentiometer WH148-2. Below we use the potentiometer WH148-2 as an example to analyze the six-legged potentiometer. What is the law?
Iron handle potentiometer WH148-2, http:// material is iron, split round handle with half handle; at the same time, the six-pin potentiometer WH148-2 is also environmentally friendly and not environmentally friendly, of course, the price will be slightly different.
Physical map of six-pin potentiometer WH148-2
Reference drawing of six-pin potentiometer WH148-2
Six-pin potentiometer WH148-2 related parameters
Six-foot potentiometer WH148-2 mechanical features:
Rotation angle: 300 ° ± 5 °
Rotational torque: 20gf.cm~200gf.cm
Stop torque: 5 kgf.cm Min
Pillow bearing tensile strength: 6.0kgf.cm Min.
Rotation life: 10000cycles
Six-pin potentiometer WH148-2 potentiometer performance:
Resistance range (Ohms): 1K~500K
Resistance deviation: ±20%
Resistance change characteristics: B
Maximum use voltage: AC150V
Rated power: 0.125W
Rotating noise:
Residual resistance: Term.1-2
Term 2-3
Insulation resistance: More than 100MΩ at DC500V
Synchronization error: ±3
Through the above reference drawings and related parameters to understand the six-pin potentiometer connection, it is easier to understand and accept.
Six-pin potentiometer WH148-2 connection: Although it is six feet, but the terminal is three ports, we are called A, B, C, respectively, the same as the three-pin potentiometer connection, the general circuit has Positive and negative symmetrical power supply, that is, two ports.
1. When the center contact C of the six-pin potentiometer slides to the end of the potentiometer A, the output voltage to the ground is +12V. When the center contact C of the potentiometer slides to the end of the potentiometer B, the output voltage to ground is -12V. The single power supply controls the potential, and the output C has an adjustment range of 0-∞V.
2. The audio amplifier is used for the volume control. When the center of the six-pin potentiometer C slides to the potentiometer A, the volume is the largest. When the center of the six-pin potentiometer C slides to the potentiometer B, the volume is the smallest. When B is in poor contact, the volume will not be extinguished.
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