72XR500LF

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Trimmer potentiometers are adjustable 3-terminal resistors based on variable resistances. They are used extensively across electronics manufacturing as a method to provide feedback between two circuits to obtain accuracy in complex electronic circuitry. The 72XR500LF is a relatively small size of trimmer potentiometer from Taiyo Yuden that falls in the family of chip-style trimmers.

The 72XR500LF offers applications including voltage control and adjustable resistances in a broad range of industries. It is an ideal solution for miniaturization requirements and to save space in SMT and THT applications. It has a 500Ω resistance and can sustain input power of 0.25W for a long period of time without any external protection.

The 72XR500LF provides very precise resistance values with a tolerance of ±20%, meaning that the actual output of the resistor can be set to precisely match the expected value. The power dissipation rating of the 72XR500LF is excellent compared to other trimmer potentiometers of its size range. It can handle up to 500mW so it can be put to use in switching power supplies or other hi-power supply networks.

The 72XR500LF comes with an adjustable resistance range of 10 Ohm to 500 Ohm. This wide range offers the user great flexibility in terms of power supply and output terminations. A pull-down resistor can be added to improve the stability of the connection, or the resistance can be increased to reduce power consumption at higher voltages. The 72XR500LF also has a low thermal resistance which helps to reduce heat build up, and it has an improved insulation structure that improves dielectric strength and prevents flicker.

The working principle of the 72XR500LF comes from the use of carbon-based resistors. The resistance is generated through the junction of two different materials with a low-resistance material on one side and a high-resistance material on the other. When the circuit is completed with a voltage applied, the electrons will move through the junction and generate an electric current. The resistance between the two terminals adjusts as the resistance material behaves differently to the applied voltage.

The 72XR500LF is a great choice for applications where precise control of input and output voltages are required. This versatile trimmer potentiometer has been designed with a wide resistance range, strong resistance ratings, and excellent power dissipation properties. It is a reliable device for a variety of electronics applications, including voltage control, adjustable power supplies, current regulation, filter networks, and signal amplification.

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