SM-43W205

Series:	SM4
Packaging:	Bulk
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Resistance:	2 MOhms
Power (Watts):	0.25W, 1/4W
Tolerance:	±10%
Temperature Coefficient:	±100ppm/°C
Number of Turns:	5
Adjustment Type:	Top Adjustment
Resistive Material:	Cermet
Mounting Type:	Surface Mount
Termination Style:	J Lead
Size / Dimension:	Rectangular - 0.189" x 0.138" Face x 0.201" H (4.80mm x 3.50mm x 5.10mm)

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<p>Trimmer Potentiometers, more commonly known as trimpots, have seen applications in wide range of industries. SM-43W205 is one such trimpots from the Hirose Electric company.</p><p>These trimpots integrate a fixed resistor and a sliding-contact wiper in a single sealed package to create a variable resistor. This device is different from ordinary variable resistors because it is enclosed in a small housing which makes it suitable for mounting in harsh environments. This device is also very durable and has a long service life, making it ideal for applications where immunity to dust and vibration is required.</p><p>SM-43W205 features a sliding-contact wiper to provide a variable resistance across its elements. It has a resistive range of 200 to 400 Ohms and can work with both voltage and current. Its components are made of high-grade material to ensure reliability and long life. Additionally, it has an operating temperature range of -10 to +110°C, making it suitable for use under different environmental conditions. </p><p>This trimpot is often used in applications such as motor control and automation systems, power supplies, consumer electronics, automotive, and lighting/heating. It can also be used in communication and lighting systems, computer peripherals, and industrial equipment.</p><p>SM-43W205 works in a variety of applications due to its compact design. It is designed to be easy to install and can handle large amounts of current. It has a wiper arm that can travel from one extreme to another, giving it an adjustable resistance that can be used for controlling motor speed or light intensity.</p><p>Working Principle of SM-43W205:</p><p>In most trimpots, the sliding-contact wiper is connected to a fixed resistor. When the wiper moves, it changes the resistance of the resistor, making the output voltage or current more or less depending on the wiper’s location. In the case of the SM-43W205, the wiper is connected to two fixed resistors (200-400 Ohms). As the wiper moves, it eventually switches the resistance of the resistors, changing the output voltage or current.</p><p>SM-43W205 has a wide range of applications due to its durability, reliability, and adjustable resistance. It can be used to control motor speed, light intensity, or other adjustable parameters in many systems. It is also used as a resistor for applications such as heat and light regulation in various types of industrial equipment. Furthermore, it can be used in many communication and light systems due to its high-grade components and reliable performance.</p>

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