SM-3TB201

Series:	SM3
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Resistance:	200 Ohms
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:	Gull Wing
Size / Dimension:	Square - 0.154" x 0.154" Face x 0.134" H (3.90mm x 3.90mm x 3.40mm)

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Trimmer Potentiometers,The SM-3TB201 trimmer potentiometer features a special rotary-type design that utilizes two resistor elements, a resistor array and a variable resistor. It gives precise adjustment with minimum resistance change. It can be used in multiple applications such as remote control, setting and adjustment of remote elements, and in automated industrial systems.The two resistor elements of the SM-3TB201 are connected in series with each other with a rotary-type potentiometer. This combination allows a single finger operation for adjustment, which makes it very easy to use. The variable resistor is usually located at the center position and can be adjusted by turning it clockwise or counter-clockwise.The resistance range of the SM-3TB201 is usually between 10K-ohms and 1M-ohms and it has an adjustment ratio of 10^-3-ohm/step. Its maximum power rating is 2.5 watts and it is available in various package sizes including SOP-8, SO-16 and DIP-8.The SM-3TB201 has an exciting application field in the usage for setting and adjustment of remote elements, especially for controlling the angle of servo motors. This is done by connecting the SM-3TB201 output to the servo motor, rotating it clockwise or counter-clockwise and thus resulting in the servo motor to rotate in the respective direction. Furthermore, it can also be used in automated industrial systems such as industrial robots, computer numerical control, and motion control systems for precise adjustment of various parameters.Besides the aforementioned application, the SM-3TB201 can also be used in remote control applications. Due to the low power and very small size, this type of trimmer potentiometer is ideal for use in home automation systems and remote detection systems. When connected to a microcontroller, it can be used for controlling everything from simple remote power switches to complex home appliances such as air conditioners. It can also be used in transmitter-receiver systems that consists of signal modulation and demodulation for driving the servomotor and controlling various parameters in the system.The working principle of the SM-3TB201 trimmer potentiometer is simple but efficient. Depending on the direction of movement of the rotary element, different values of resistances are measured between the variable resistor and the resistor array. The rotary lever is connected with a linear rotary pin connected to the resistor array and the variable resistor which is connected to the output terminal.When the rotary pin is moved clockwise, it increases the resistance between the variable resistor and the resistor array, thus resulting in the output voltage to remain low or decreases. Similarly, when the rotary element is moved counter-clockwise, it decreases the resistance between the variable resistor and the resistor array, thus resulting in the output voltage to remain low or increases.This simple but efficient working principle of the SM-3TB201 trimmer potentiometer makes it very versatile and reliable. It also makes the device one of the most reliable and affordable solutions for controlling various parameters in automated systems. Thus, making it a great choice for those who are looking for an effective and reliable way to control and adjust their automated systems.

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