93A1A-B28-A12L

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Rotary Potentiometers, Rheostats are a type of electronically controlled components used in many fields, providing a simple method to control electrical current. The 93A1A-B28-A12L is one such potentiometer and this article will look at its application field and working principle.A potentiometer is a variable resistor, which is used to modify the electrical current flowing through a circuit. It works by rotating a variable resistive element, usually a casing containing two resistors and a wiper, to alter the resistance of the resistive element in the direction the wiper points. It is commonly used to control volume, illumination intensity, and other parameters in a wide variety of electronic devices, such as computers, mobile phones, and home appliances.The 93A1A-B28-A12L is a rotary potentiometer, and it is rated at 0.1W and has a 28mm diameter. It has an operating temperature range of -10 to +70 °C and a contact resistance of 10-500 ohm. The body is made of polycarbonate and the terminal is epoxy resin. The variable resistance model has five pins connection, and the shaft is adjustable with a 4mm spanning flat tip. It can be used for analog control and pulse modulation applications.The working principle of the 93A1A-B28-A12L is relatively straightforward. In its simplest form, the variable resistor is connected to two fixed resistors which act as the capacitor. When the wiper is moved over the resistance element, the electrical current is modulated according to the position of the wiper. This causes the resistance of the resistive element to change and the output voltage to vary accordingly.This type of variable resistor is suitable for a range of applications, such as dimmer controls, power controls, and analog circuitry. In dimmer controls, for example, the resistance of the resistor changes the amount of current flowing to the light bulb, allowing for a greater or lesser amount of illumination. In power controls, the same effect is used to control the amount of power that is being supplied to a given device. In analog circuitry, the potentiometer can be used to control the output voltage amplitude or frequency of a signal, such as an audio signal.In conclusion, the 93A1A-B28-A12L rotary potentiometer, rheostat is an effective and reliable component for use in a variety of electronic applications, providing good performance and reliable operation. Its straightforward working principle makes it relatively easy to use in a wide range of applications, and its small size makes it suitable for both portable devices and permanent installations.

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