ST42EC504

Series:	ST42
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Resistance:	500 kOhms
Power (Watts):	0.25W, 1/4W
Tolerance:	±20%
Temperature Coefficient:	±100ppm/°C
Number of Turns:	1
Adjustment Type:	Top Adjustment
Resistive Material:	Cermet
Mounting Type:	Through Hole
Termination Style:	PC Pins
Size / Dimension:	Square - 0.197" L x 0.177" W x 0.091" H (5.00mm x 4.50mm x 2.30mm)

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Trimmer Potentiometers

Trimmer potentiometers are adjustable controllers that can be used to fine-tune the electrical signals and settings in a variety of electronic devices and circuits. When it comes to ST42EC504, it is one of the best trimmer potentiometers available on the market. Having a rated power of 2.2W and low temperature drift, it provides optimal performance and accuracy.The ST42EC504 consists of a three-terminal device with a resistive element and a sliding contact. The three terminals are the positive terminal (P), the negative terminal (N) and the wiper terminal (W). The resistive element is usually a track made of ceramic or conductive epoxy. The sliding contact is also known as the wiper and is typically made of the same conductive material as the track.The ST42EC504 trimmer potentiometer comes with an adjustable resistance range of 0.2-6.8 kilo ohms. It also comes with a tolerance of ±20%. This means that depending on the resistance settings, the variation in resistance should be no more than ±20%.The main purpose of the ST42EC504 is to adjust the amplitude of signals passing through it. This makes it ideal for use in audio and video circuits as it can precisely adjust or fine-tune the signal\'s amplitude. The ST42EC504 can also be used in industrial parameters such as motor speed control and controlling the output power of a variable-frequency drive.When it comes to its working principle, it is actually quite simple. The resistance of the resistive element between the positive and negative terminals changes depending on the setting of the wiper. For instance, if the wiper is placed at one end of the track, most of the resistance will be between the positive and wiper terminals, and little will be between the negative and wiper terminals. This will result in more of the current flowing from the positive to the wiper terminal. On the other hand, if the wiper is moved to the other end of the track, most of the resistance will be between the negative and wiper terminals, and less will be between the positive and wiper terminals. This will result in more of the current flowing from the negative to the wiper terminal. In addition to the working principle, the ST42EC504 also features a few other unique characteristics. One such feature is its ability to work at temperatures ranging from -40°C to +85°C. This makes it suitable for use in extreme temperature conditions such as in outdoor or underwater applications. The ST42EC504 is also resistant to high impact, vibration, dust, and humidity. This makes it an ideal choice for mobile, automotive, and industrial applications where high shock or vibration is an issue. Moreover, the ST42EC504 is able to resist thermal cycling. This means that it is able to cope with temperatures that change rapidly over a short period of time without failing or shorting out. To put it simply, the ST42EC504 is one of the best trimmer potentiometers available on the market. It is a three-terminal device with adjustable resistance, low temperature drift, and tolerance of ±20%. It is perfect for audio and video circuits, motor speed control, and controlling the output power of a variable-frequency drive. It is also suitable for extreme temperature conditions such as in outdoor or underwater applications. In addition, the ST42EC504 is resistant to high impact, vibration, dust, and humidity.

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