91ER200KLF

Series:	91
Part Status:	Active
Lead Free Status / RoHS Status:	--
Resistance:	200 kOhms
Power (Watts):	0.5W, 1/2W
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:	Rectangular - 0.420" x 0.375" Face x 0.280" H (10.67mm x 9.53mm x 7.11mm)

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Introduction

Trimmer Potentiometers (also known as Potentiometers, Trim Pots, or simply “pots”) are versatile adjustable resistors used to control the output of electronic devices through the application of mechanical or electrical power. The resistance of a Potentiometer is modulated by a knurled or linear screw adjuster and can range in value from a few hundred ohms to several hundred kilo-ohms.

91ER 200KLF Application Field and Working Principle

The 91ER 200KLF trim pot is a rotary type device with a resistance range of 200 kilo-ohms. It is typically used within the following types of devices and applications: amplifiers, volume controllers, precision gain controls, and frequency control circuits. The 91ER200KLF trim pot is designed with a knob dial to adjust the resistance setting by means of a closed-type potentiometer (or voltage divider). The resistance of the trim pot is determined by the amount of voltage applied across it and this adjustment range is limited to a span of 200 kilo-ohms within its operating range.The 91ER 200KLF trim pot is composed of three terminals: a center terminal, a ground terminal, and an adjustment terminal. The adjusting terminal provides a linear voltage divider output which is proportional to the resistance set by the adjusting knob, and the value of resistance is directly proportional to the amount of current flowing through the center terminal of the device. In practice, this allows the user to adjust the resistance of the potentiometer to achieve a desired output.The 91ER200KLF trim pot can be operated in either a linear or logarithmic fashion. In linear operation, the adjusting knob is rotated to adjust the resistance linearly, resulting in a constant voltage output. In logarithmic operation, the knob is rotated to adjust the resistance logarithmically, resulting in a voltage output which increases exponentially.The 91ER 200KLF trim pot can also be used as a gain control in amplifiers. In this application, the gain of the amplifier is adjusted by adjusting the resistance of the trim pot. The adjustable resistor acts as a voltage-controlled amplifier and provides a smooth transition from low to high gain with zero distortion. This feature makes the 91ER200KLF trim pot an ideal choice for applications that require precise and stable control.

Conclusion

The 91ER 200KLF trim pot is a versatile and reliable device that is capable of providing precise, stable control in a wide range of electronic applications. With its simple and efficient design, the 91ER200KLF trim pot is able to provide excellent performance while providing the user with precise control over the output of the device. It is an ideal choice for applications that require precise and stable control, such as amplifiers, volume controllers, precision gain controls, and frequency control circuits.

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