Series:	4295, Citec
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Resistance:	100 kOhms
Power (Watts):	0.5W, 1/2W
Tolerance:	±10%
Temperature Coefficient:	±250ppm/°C
Number of Turns:	1
Adjustment Type:	Top Adjustment
Resistive Material:	Cermet
Mounting Type:	Through Hole
Termination Style:	PC Pins
Size / Dimension:	Square - 0.374" x 0.374" Face x 0.195" H (9.50mm x 9.50mm x 4.95mm)

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Trimmer Potentiometers Trimmer potentiometers, also known as trimpots, are adjustable resistors with a ceramic or plastics housing and are used to vary resistance values in electronic circuits. Trimpots are widely used in a variety of applications such as voltage dividers, current limiters, volume controls, and oscillator-frequency controls. They typically have three terminals and provide adjustable resistance from 1 to 50 kohm (kΩ). The 1-1623837-3 is a standard trimmer potentiometer made by Bourns and is the most commonly used trimpot in the market.

1-1623837-3 Application Field and Working Principle

The 1-1623837-3 is an adjustment potentiometer designed to provide an adjustable resistance value in electronic circuits. It has a standard 0.314-inch (8.0mm) size with three pins and a total resistance range from 1 to 50kohm. The 1-1623837-3 is commonly used for precise voltage regulation, oscillator-frequency control, gain control, and waveform synthesis applications. The 1-1623837-3 works by connecting its three pins to external power supply. Two opposing fixed resistance terminals are connected to the incoming voltage source, and the wiper terminal is connected to ground. When the trimpot is adjusted, the adjustable wiper terminal slides along a resistive element, varying the resistance between the two fixed resistance terminals. This resistance, in turn, will vary the voltage that is passed through the circuit. In this way, the 1-1623837-3 functions as an adjustable voltage divider and is ideal for controlling the current and voltage levels in a system. The 1-1623837-3 is ideal for adjustable circuit designs because it allows for fine resolution control even for very low resistances. The wiper terminal sweeps from one end of the element to the other, allowing for precise adjustment even at low resistances. The trimpot is also dual-turn, meaning the user can adjust the wiper either clockwise or counter-clockwise to vary its resistance value.

Advantages of the 1-1623837-3

The 1-1623837-3 was designed to be simple to use and integrate into existing electronics. Its overall size and pin arrangement make it easy to install and ensures compatibility with almost any circuit board. The device is also highly reliable and durable, thanks to its robust construction and material. In addition, the unit is cost effective and environment-friendly; it is RoHS compliant and energy efficient. The 1-1623837-3 is also very precise and offers a high-resolution of adjustment, even at very low resistance values. It is able to handle higher power ratings and provides precise voltage regulation and current control. Finally, the unit is temperature-compensated, meaning it is designed to be resistant to changes in temperature and maintain its accuracy and performance regardless of temperature fluctuation.

Types of Trimmer Potentiometers

In addition to the 1-1623837-3, there are other types of trimmer potentiometers available in the market. The types of trimmer potentiometers generally vary in construction, size, operating voltage, terminals, and resistance range. One popular type is the mini-pot, which offers a small size and is great for space-constrained projects. There are also digital trimmer potentiometers, which typically have three or four terminals and use a digital signal to adjust the resistance. Digital trimmer potentiometers provide precision adjustment of the resistance value and are usually used in high precision applications. Another type of trimmer potentiometer is the rotary trimmer, which can provide both vertical and horizontal adjustment of the resistance. These trimmers are often used for radio frequency applications, and are suitable for high precision applications, such as antenna tuning.

Conclusion

Trimmer potentiometers are versatile and adjustable resistors which enable precise control of current and voltage levels in electronic circuits. The 1-1623837-3 is a standard trimproter made by Bourns which offers resistance values from 1 to 50 kΩ and is ideal for voltage regulation, oscillator-frequency control, gain control, and waveform synthesis applications. It is a cost-effective, reliable, and temperature-compensated device with a high resolution of adjustment. In addition to the 1-1623837-3, there are other types of trimmer potentiometers available on the market, such as the mini-pot, digital trimmer, and rotary trimmer.

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