Series:	37
Part Status:	Active
Lead Free Status / RoHS Status:	--
Resistance:	100 kOhms
Power (Watts):	0.5W, 1/2W
Tolerance:	±20%
Temperature Coefficient:	±250ppm/°C
Number of Turns:	1
Adjustment Type:	Side Adjustment
Resistive Material:	Cermet
Mounting Type:	Through Hole
Termination Style:	PC Pins
Size / Dimension:	--

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Trimmer Potentiometers

Trimmer potentiometers are one of the most common types of electronic components found in all sorts of electronic circuits. They are used to adjust, or "trim," a wide variety of parameters, from the output current of a power amplifier to the gain of a CMOS digital filter.The common model of trimmer potentiometer that is most widely used is the 37SR100KLF. This model is a 3 terminal, linear taper potentiometer with a through-hole mount option. The 37SR100KLF is a 100kΩ adjustable resistor with a maximum adjustment range of ±25%. This component has a wide variety of applications in many different types of electronic circuits.The 37SR100KLF\'s application fields and working principle can be explained by the following:

Application Fields:

Trimmer potentiometers, such as the 37SR100KLF, are commonly used in the following circuits:

• Adjustment of amplifier gains
• Adjustment of feedback gain of active filters
• Adjustment of low and high pass filters
• Adjustment of low noise amplifier gains
• Adjustment of bandpass filters

The 37SR100KLF can also be used in other circuits where precise control of an adjustable resistor is required.

Working Principle:

The 37SR100KLF trimmer potentiometer works on the same principle as standard potentiometers. It is a resistive device consisting of three terminals: a wiper, which is used to adjust the variable resistance, a fixed resistor, and a track. The track is usually a uniform strip of resistive material, such as carbon film. The wiper slides along the track, adjusting the resistance as it moves.When the wiper is moved to one end of the track, the resistance is at its maximum; when it is moved to the other end, the resistance is at its minimum. The range of resistance is controlled by the size of the resistor and the length of the track.In the case of the 37SR100KLF, the adjustable resistor is 100kΩ and the adjustment range is ±25%. This means that the resistance can be adjusted from 75kΩ to 125kΩ.

Conclusion:

The 37SR100KLF trimmer potentiometer is a versatile, adjustable resistor that is suitable for use in a variety of circuits. It is widely used for the adjustment of amplifier gains, low and high pass filters, and many other circuit parameters. It works on the same principle as a standard potentiometer, with the adjustable resistor, fixed resistor, and track components. With its ±25% range of adjustment, it is a cost-effective option for circuit design and can offer superior results.

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