SM-42B105

Series:	SM4
Packaging:	Bulk
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Resistance:	1 MOhms
Power (Watts):	0.25W, 1/4W
Tolerance:	±10%
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:	Rectangular - 0.189" x 0.181" Face x 0.154" H (4.80mm x 4.60mm x 3.90mm)

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Trimmer Potentiometers

A trimmer potentiometer is a type of variable resistance device that is used in a wide range of electrical and electronic applications. This type of resistances provide an fine adjustment to precision circuits and controls. SM-42B105 trimmer potentiometers are a popular type, offering a high level of accuracy and reliability in a wide range of adjustable, variable, and precision applications. The SM-42B105 is a miniature three-terminal trimmer potentiometer which is designed for surface mount applications. It is made of an NPO-ceramic substrate with a self-adhesive backing, and metal alloy wiper fingers to provide superior performance and long life. The adjustable element is mounted on the board with two terminal lugs and is setable in either clockwise or counterclockwise direction.The SM-42B105 trimmer potentiometer offers a resistance tolerance of ±10% and can be adjusted over a range of 0–1k ohms. It is capable of controlling both voltage and current, and can be used in a wide variety of applications, including audio frequency control, trimming and matching circuits, and voltage regulation. The SM-42B105 trimmer potentiometer is designed to be operated cumulatively, which means that it can be adjusted up and down as needed. The SM-42B105 trimmer potentiometer features a low level of noise and minimal current leakage. The device is also resistant to shock, vibration, humidity, and extreme temperatures, making it suitable for use in harsh environments. Additionally, the SM-42B105 trimmer potentiometer is ROSH compatible and offers a high degree of electrical reliability. It is very easy to install and requires minimal effort to operate. The SM-42B105 trimmer potentiometer is widely used in numerous applications, such as data acquisition in industrial automation systems, precision testing in laboratories, audio amplifiers and equalizers, and general electronic circuits. It is suitable for both high and low power applications and can be used to control resistive or inductive loads. The SM-42B105 trimmer potentiometer is a reliable and versatile device offering a high degree of precision and accuracy.The working principle of a trimmer potentiometer is very simple. The device consists of a conductive plate, usually made of an insulating material, on which a rotating shaft is mounted. The plate is connected to a number of contacts on the same board, each contact being connected to one end of the potentiometer\'s resistive element. As the shaft is rotated, the plate contacts the elements at different points, varying the resistive value of the circuit. This creates a current flow through the resistive element, resulting in a resistance change which can be used to control various aspects of the circuit.The SM-42B105 trimmer potentiometer is a great choice for a variety of applications due to its high accuracy, reliable performance, and easy installation. It is a versatile, durable, and reliable device capable of controlling both AC and DC signals, offering precise and repeatable control of a wide range of resistive and inductive loads. The SM-42B105 trimmer potentiometer is a highly reliable and versatile device suitable for many variable, adjustable, and precision applications.

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