Series:	43
Part Status:	Active
Lead Free Status / RoHS Status:	--
Resistance:	1 MOhms
Power (Watts):	0.125W, 1/8W
Tolerance:	±20%
Temperature Coefficient:	±100ppm/°C
Number of Turns:	11
Adjustment Type:	Top Adjustment
Resistive Material:	Cermet
Mounting Type:	Surface Mount
Termination Style:	J Lead
Size / Dimension:	Rectangular - 0.162" x 0.125" Face x 0.162" H (4.12mm x 3.18mm x 4.12mm)

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Trimmer Potentiometers and the 43WR1MEGLFTB Application Field and Working Principles

Trimmer potentiometers are a type of variable resistor used in a wide variety of electrical systems and components. They are commonly referred to as trimmers, trim pots, or trim pots, and come in a variety of sizes, shapes, and designs. A trimmer is basically a manually adjustable potentiometer connected in a circuit like a rheostat or variable resistor. The term “trim” reflects their ability to be adjusted to a precise level; they are usually used to fine-tune a circuit’s performance, or calibrate it to precise levels.The 43WR1MEGLFTB is a type of trimmer potentiometer that is designed to be installed in a mounting hole of a printed circuit board or other substrate. It is a single-turn, non-inductive device and features a standard radial snap-in terminal design. It is highly reliable and has a long life, being able to provide up to 250,000 cycles of performance. Its temperature coefficient is a relatively high +250 ppm/°C, making it ideal for applications in which the temperature is fluctuating. The 43WR1MEGLFTB also offers a wide resistance range, with its maximum specified value being 1 megohm. The 43WR1MEGLFTB has a wide range of applications, including but not limited to amplifiers, audio systems, medical equipment, automotive systems, and satellite control systems. One of its most common applications is in calibrating RF signal generators. It can also be used for cordless phone battery charging, balancing audio amplifiers, and more.The principle of operation for the 43WR1MEGLFTB is relatively simple. When a voltage is applied to the device, it acts like any other resisted, variable resistor. The resistance of the device is varied depending on the position of the wiper. Typically, the wiper is controlled by a knob or some other form of mechanical adjustment. As the wiper is moved, the resistance of the device is changed, allowing control over a desired output voltage or current. In summary, the 43WR1MEGLFTB is a trimmer potentiometer that is designed to be installed in a mounting hole of a printed circuit board or other substrate. It is highly reliable and offers a wide resistance range, making it suitable for a wide range of applications. The principle of operation is relatively simple; when a voltage is applied, the resistance of the device is changed depending on the position of the wiper.

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