3313S-2-502E

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Trimmer potentiometers are found in many electronic devices, ranging from motors to audio amplifiers to computers. The 3313S-2-502E is a single-turn trimmer potentiometer from Amphenol Advanced Sensors. It is designed for audio applications in which a small adjustment is needed to control a signal’s amplitude or frequency.

The 3313S-2-502E utilizes a conductive ceramic element to provide enhanced signal conditioning. The element is mounted in a 2.5mm diameter round package and is available with a variety of shafts, pins, and knobs for assembly. The device can be adjusted with a standard tool, as well as soldered or glued for extra durability.

It provides a resistance range of 179 ohms to 825 ohms in a linear range, and from 635 ohms to 2 k ohms in an equivalent logarithmic range. The resistance of the device does not change with increase in temperature. The temperature coefficient for the device is 0.05 %/°C, which is ideal for applications which require stable performance over temperature.

The 3313S-2-502E has a low temperature shift rate of 0.006 %/°C and a high temperature shift rate of -0.002 %/°C. It has a dielectric strength of 1.1Vrms, bushing current of 0.65 mA, contact resistance of 0.75 ohms maximum, and power rating of 10 mW. It is RoHS compliant. It is suitable for a wide range of applications including volume and tone control, linear calibration, and microcontroller gain control.

The 3313S-2-502E works on the principle of the potentiometer, a passive electrical component. A potentiometer consists of three terminals: two of which are connected to a resistive element, while the third is connected to a wiper. As the wiper moves along the resistive element, it changes the resistance between the two outer terminals. By adjusting the wiper, it is possible to control the magnitude of resistance and thus the level of voltage or current in an electrical circuit.

The 3313S-2-502E is a multi-purpose and reliable solution for applications that require precise control and adjustment of signal levels. Its high temperature shift rate and low temperature coefficient ensures long-term stability and performance over a wide range of environments.

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