3318F-1-102 Potentiometers, Variable Resistors

Series:	Trimpot® 3318 - Open Frame
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Resistance:	1 kOhms
Power (Watts):	0.1W, 1/10W
Tolerance:	±30%
Temperature Coefficient:	±1000ppm/°C
Number of Turns:	1
Adjustment Type:	Top Adjustment
Resistive Material:	Carbon
Mounting Type:	Through Hole
Termination Style:	PC Pins
Size / Dimension:	Square - 0.264" x 0.252" Face x 0.250" H (6.70mm x 6.40mm x 6.35mm)

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Trimmer Potentiometers

Trimmer potentiometers, also known as trim pots, are small, adjustable, variable resistors. They are typically used in circuits for leveling or tuning. 3318F-1-102 is a specific type of trim pot manufactured by Stackpole Electronics Inc.

3318F-1-102 Application Field

3318F-1-102 are typically used in audio applications, such as amplifiers, preamplifiers, and stereos. They are also used in a variety of other products such as test equipment, AC/DC regulators, computers, and motion controllers.

3318F-1-102 Working Principle

The 3318F-1-102 is a three-terminal device consisting of a resistive element and terminals connected to either side of the element. The resistive element is made of a silicon semiconductor material. The resistor is composed of an n-type and p-type region, separated by a barrier-junction layer. An intervening conductive layer connects the active layer to electrode contacts at either end.When an external voltage is applied between the two contacts, a current flows from the left terminal to the right terminal. When the voltage is increased, the current increases. This resistance is variable and can be adjusted using a control shaft on the top of the device. Turning the shaft increases or decreases the resistance, giving the device’s user precise control over the current.

Applications

Trimmer potentiometers are used in many different applications. They are often used to adjust the response of a circuit or for calibration purposes. They are also used in amplifiers, robots, voltage regulators, and in applications requiring accurate control of current.

Advantages

One advantage of using trimmer potentiometers is that they require less space than other types of resistors. They are also highly accurate, which makes them ideal for applications that require precise control. They also have a wide range of operating temperatures, making them suitable for many different applications.

Disadvantages

The main disadvantage of trimmer potentiometers is that they can be difficult to adjust accurately. This is especially true when controlling large amounts of current. Additionally, the operating life of trimmer potentiometers is relatively short compared to other types of resistors.

Conclusion

3318F-1-102 is a specific type of trim pot manufactured by Stackpole Electronics Inc. It is typically used in audio applications, such as amplifiers, preamplifiers, and stereos. 3318F-1-102 consists of a resistive element and terminals connected to either side of the element. An external voltage is applied between the two contacts and a current flows. Turning the shaft increases or decreases the resistance, giving the user precise control over the current. Trimmer potentiometers have the advantage of being small and highly accurate, but can be difficult to adjust accurately and have a relatively short operating life.

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