SM-42A504

Series:	SM4
Packaging:	Bulk
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Resistance:	500 kOhms
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:	J Lead
Size / Dimension:	Rectangular - 0.189" x 0.181" Face x 0.146" H (4.80mm x 4.60mm x 3.70mm)

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Trimmer Potentiometers

Trimmer potentiometers are electric devices which are used for adjusting the electrical resistance of an electric circuit. They are used to trim or adjust the voltagesettings of any electrical device. The SM-42A504 trimmer potentiometer is a two-turn variant which offers an adjustable resistance range of 0.25 ohms to 200 ohms. The device is constructed using a combination of resistive metal and a ceramic core material and is suitable for use in high-voltage applications.The SM-42A504 application field is mainly in industrial and commercial settings, where it is used to adjust the electrical resistance within a variety of electronic appliances or devices in order to achieve the desired output. The device can also be used for audio applications, such as adjusting the input sensitivity of the speaker amplifier, or as a voltage regulator in a variable power supply.The working principle of the SM-42A504 is straightforward. It consists of two metal strips that are separated by a ceramic core material. When a voltage is applied to the device, the electric current flows through both metal strips. The ceramic core material has voltage and current characteristics that cause the electric current to flow through both strips at different rates. This difference in current flows is what produces the adjustable resistance range of the device.The SM-42A504 is designed to be adjusted manually using an adjusting screw. When the adjusting screw is turned, it causes the ceramic core material to move in relation to the metal strips, which changes the voltage and current characteristics of the device and alters its resistance range.The ceramic core material of the SM-42A504 is also specifically designed to resist extreme temperatures, making it suitable for use in high-temperature environments. The device also offers excellent performance in high-frequency applications due to its high-frequency stability.The SM-42A504 trimmer potentiometer is a versatile device that can be used in a variety of applications, ranging from variable power supplies, audio applications, and industrial and commercial settings. Thanks to its design, it offers excellent performance in all these fields and is the perfect solution for adjusting the electrical resistance of any device.

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