SM31TW500

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Trimmer Potentiometers are adjustable resistors, typically used to set a threshold or a bias point in an electronic circuit. SM31TW500 is a high precision, high reliability surface mount trimmer potentiometer produced by Shunde Electronics. It has a wide operation temperature range of -55 to +125°C.

SM31TW500 is a 25T type trimmer potentiometer with a track resistance of 500 ohms, 5% tolerance, and a linear taper. It measures 8.0mm x 4.00mm x 4.5mm and offers a 13 ohm to 15 ohm static output impedance. The maximum ratings for power and current are 0.5W and 50mA respectively. The Insulation resistance is more than 100M ohms at 500V DC, and dielectric strength is 250V AC for one minute. It has high rotation performance with a rotational life of 10,000 cycles and an endurance of 500 cycles.

SM31TW500 is used in many applications such as measurement equipment, audio systems, voltage regulators, power supplies, and multi-function systems. Its primary application is setting and maintaining a specific resistance value in a circuit or other end-use device in audio, communications, and telecommunication systems. It can be used in low voltage audio systems, power supplies, voltage regulators, and other applications where a reliable, precise trimmer is required.

SM31TW500 is designed to provide reliability, durability, and performance. It is well suited to a variety of applications where a high tolerance, high precision trimmer is needed, such as in audio and communications systems, signal booster receivers, automatic switches, etc. Its linear taper gives a linear change of resistance with rotation, and it is also capable of high resolution adjustment.

The working principle of SM31TW500 is based on the resistance value being varied by the movement of a wiper across the resistive track. The wiper has a contact that varies the resistance value when it is rotated along the resistive track. As the wiper moves along the track between the two carbon contacts, the resistance value is changed in a linear manner, and the voltage level can be adjusted accordingly.

SM31TW500 is an economical, high performance trimmer potentiometer that is ideal for use in auto-calibration of instruments, audio and communication systems, and other applications where a reliable, precise setting is required. Its wide operating temperature range, high precision and reliable performance make it an excellent product for many application needs.

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