SM-42TX202 Allicdata Electronics
Allicdata Part #:

SM-42TX202TR-ND

Manufacturer Part#:

SM-42TX202

Price: $ 1.58
Product Category:

Potentiometers, Variable Resistors

Manufacturer: Nidec Copal Electronics
Short Description: TRIMMER 2K OHM 0.25W SMD
More Detail: 2 kOhms 0.25W, 1/4W Gull Wing Surface Mount Trimme...
DataSheet: SM-42TX202 datasheetSM-42TX202 Datasheet/PDF
Quantity: 1000
Lead Free Status / RoHS Status: Lead free / RoHS Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)
250 +: $ 1.43366
500 +: $ 1.18431
750 +: $ 1.15314
1250 +: $ 1.12198
2500 +: $ 0.96615
6250 +: $ 0.93498
Stock 1000Can Ship Immediately
$ 1.58
Specifications
Series: SM42
Packaging: Tape & Reel (TR) 
Lead Free Status / RoHS Status: --
Part Status: Active
Moisture Sensitivity Level (MSL): --
Resistance: 2 kOhms
Power (Watts): 0.25W, 1/4W
Tolerance: ±10%
Temperature Coefficient: ±100ppm/°C
Number of Turns: 11
Adjustment Type: Top Adjustment
Resistive Material: Cermet
Mounting Type: Surface Mount
Termination Style: Gull Wing
Size / Dimension: Square - 0.189" L x 0.138" W x 0.201" H (4.80mm x 3.50mm x 5.10mm)
Description

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Trimmer Potentiometers

A trimmer potentiometer, or trimmer, is a small electronic component designed to provide a precisely adjustable resistance in a circuit. As the name implies, this type of component is used to trim, or fine-tune, circuit parameters. It is typically used to adjust the gain or sensitivity of components that interact with signals, such as amplifiers, filters, and analog-to-digital converters.

The SM-42TX202 is a trimmer potentiometer manufactured by SMC Corporation. This particular model features a resistance range of 10 ohms to 100 kilo-ohms, with linear control. It also has a ±20% tolerance for accuracy. This model is commonly used in communication systems, research and development projects, automotive applications and industrial control systems.

The working principle of a trimmer potentiometer involves two wafers, each having a resistive surface. One wafer is connected to the circuit, the other to a parameter to be adjusted. As the two wafers are rotated relative to each other, the two resistive surfaces are moved closer or further apart, increasing or decreasing the resistance in the circuit accordingly. This allows for precise control of the resistance, allowing for the fine-tuning of components in circuits.

The SM-42TX202 trimmer potentiometer is a versatile piece of hardware that can find many applications in industry and research. It is especially useful when precise control over a circuit’s response is required, such as in communication systems or industrial automation. With its wide range of resistance and its excellent tolerance for accuracy, it is a highly valuable component for any circuit designer.

In summary, the SM-42TX202 trimmer potentiometer is a great choice for controlling the resistance in any circuit where precision and accuracy are required. With its wide range of resistances and its good tolerance for accuracy, it is an essential piece of hardware for any application where precise control over a circuit’s response is needed.

The specific data is subject to PDF, and the above content is for reference

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