3339W-1-203LF

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Trimmer Potentiometers

A trimmer potentiometer is a type of rotary potentiometer that functions as a variable resistor. It is used as an adjustable resistor to control the flow of electrical signals in a variety of applications. Trimmer potentiometers are commonly used in electronic devices such as radios, amplifiers, computers, and medical equipment to control the voltage, current, and resistance of a circuit.

3339W-1-203LF Application Field and Working Principle

The 3339W-1-203LF trimmer potentiometer is a popular choice for a wide range of applications, such as signal conditioning, RF signal attenuation, DC power control, and audio signal control. It is constructed with a small package size, making it suitable for high density printed circuit boards. The 3339W-1-203LF has a wide operating temperature range of -55°C to +125°C and a long-term stability of 7μm±2μm.

The 3339W-1-203LF trimmer potentiometer is a single-turn potentiometer with a resistance value of 20 kΩε. It is constructed with a carbon element and a conductive plastic housing. The carbon element is composed of two pieces of conductive plastic material that are divided into three sections. This creates three separate resistance paths which are connected to the common terminal, the wiper terminal, and the other two side terminals. By turning the knob on the 3339W-1-203LF, the resistance can be adjusted by moving the wiper across the carbon element.

The 3339W-1-203LF is designed to operate on both AC and DC circuits. The current rating of the device is 2 mA at 125°C and 1 mA at 25°C. The 3339W-1-203LF has a low power coefficient for excellent accuracy. It also has a high linearity for precise signal conditioning. The 3339W-1-203LF’s extremely low-bounce design of 0.3Ω in typical cases makes it ideal for RF signal attenuating.

The 3339W-1-203LF trimmer potentiometer is available in a variety of package styles and sizes, making it suitable for a wide range of applications. The SMT version of the 3339W-1-203LF is available in an 8-pin, 7mm x 7mm QFN package. The standard leaded version is available in an industry standard 11mm SMT package. Both packages are RoHS compliant.

The 3339W-1-203LF trimmer potentiometer is a reliable and accurate device capable of providing precise control over a variety of circuits. Its flexibility, small package size, and wide operating temperature range make it a popular choice for many applications. Its low power coefficient and high linearity provide excellent accuracy for signal conditioning and RF signal attenuation.

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