How to install the potentiometer? What should I pay attention to?

来源:Dongguan Yanghan Industrial Co., Ltd.  时间:2023-06-08

Potentiometer is a commonly used electronic components, potentiometer volume is much larger than the variable resistor, potentiometer appearance has a large or small, different shape, the specific characteristics of various potentiometers vary. Today, we will briefly introduce several common potentiometers and their characteristics.

1. rotary single potentiometer: This is a potentiometer with a circular start, it has a metal handle, the length of this handle varies from potentiometer to potentiometer, some are quite long, and some are quite short. The handle can be rotated within a certain angle from left to right. However, it cannot be rotated 360 degrees. This potentiometer is usually 3 pins, some are 4 pins, the fourth pin is connected to the shell of the pin (grounding pins), used in the circuit to ground the wire, in order to eliminate the adjustment potentiometer when the human body brought dry together.

2. straight slide single potentiometer: This is a rectangular structure potentiometer. It has a vertical upward manipulation handle, this handle can only slide in a straight line and can not be turned, its pin piece in the lower.

3. Rotary double potentiometer: It is similar to the rotary single potentiometer, but it has two single potentiometers, each with the same characteristics. One handle controls the organization of the two single potentiometers, each with three pins.

4. Straight-slide double potentiometer: It is similar to the straight-slide single potentiometer, it consists of two single potentiometers with one handle controlling the organization of the two single potentiometers, each with three pins.

5. straight slide chip potentiometer: straight slide chip potentiometer without pins, he and ordinary potentiometer compared to a lot smaller, mainly used in some very small size of electronic appliances.

6 rotary chip potentiometer: rotary chip potentiometer and ordinary rotary potentiometer, the same, through the rotation of the adjustment to change the resistance value.

7. wire-wound multi-turn potentiometer: the structure of this potentiometer is different from the ordinary potentiometer, it can withstand the power is relatively large, and adjust the resistance value can also be greater than 360 read rotation.

8. precision potentiometer: precision potentiometer adjustment accuracy, commonly used in some precision circuits.

9. with switch small potentiometer: commonly used to lead to that controller, it is attached to a power switch, in the potentiometer just started to rotate, first turn on the potentiometer in the switch contact point, and then rotate the potentiometer adjustment. There are also many different types of potentiometers with switches, such as the volume potentiometers in radios and the switches in some of the larger rotary potentiometers. The pins of a potentiometer with a switch have two more pins than a normal potentiometer, and these two pins are the contact pins of the power switch.