CB10LH221M

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Introduction to Trimmer Potentiometers

Trimmer Potentiometers, or trimmer pots, are small adjustable electric devices that use a variable resistor to set a definite electrical resistance value. The electrical resistance is set by rotating a screw or manual knob – or for automated systems, a motor driven unit. Trimmer pots are also known as trim pots, trimpots, trimmers or preset resistors.

Trimmer Potentiometers can be used to control various parameters in electrical and electronic circuits. A common application of trimmer pots is in adjusting gain or resonance in circuits such as amplifiers or oscillators. They can also be used for calibrating sensors, setting reference voltages, controlling currents in power supplies, variable attenuators and digital potentiometer circuits.

CB10LH221M Application Field and Working Principle

The CB10LH221M is a common trimmer potentiometer used in a variety of applications. It is a three-terminal device with a ceramic body with a 9.5mm nominal body diameter. The CB10LH221M is available with a tolerance of 20-50%.

The CB10LH221M is used in many applications such as radio communications, sound systems, industrial lighting and power control circuits. For example, it is used for adjusting resonance in FM broadcast receivers, as well as for setting voltage bias levels in discrete amplifier circuits.

The CB10LH221M’s working principle is as simple as other trimmer potentiometers. When applied with voltage, current flows through the wiper which is connected to a variable resistor. The variable resistor adjusts the current flow and can generate a specific amount of resistance or impedance between the wiper and one other terminal. By turning the knob of the CB10LH221M, the resistance value can be varied according to the amount of turns. It is also possible to vary the resistance values by using a motor-driven unit.

The CB10LH221M is available in different versions with power ratings ranging from 0.005W to 3.00W, making it ideal for a wide variety applications. It has a low temperature coefficient and low resistance change over temperature.

In conclusion, the CB10LH221M is a common trimmer potentiometer used to adjust gain or resonance in electrical and electronic circuits. It is available with a variety of power ratings and can be adjusted via manual knob or motor-driven units.

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