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An audio transformer is an electrical component that is used to transfer audio signals between different circuits. It works by using electromagnetic induction to transfer power from one circuit to another without any direct electrical connection. The primary and secondary windings of an audio transformer are inductively coupled to each other, which allows for the transfer of the audio signal from one circuit to the other with minimal loss or distortion.

An isolation transformer is a type of transformer that is used to transfer electrical power from one circuit to another while separating the two circuits electrically, preventing direct contact between them. The primary and secondary windings of an isolation transformer are physically separated by insulation, which provides complete galvanic isolation between the two circuits. This isolation prevents electrical noise, voltage surges, and other disturbances from passing between the circuits, making it a critical element in several applications.

SMD resistor, from now on, it will be a variety of electronic equipment indispensable element. With the continuous development of technology, the future application scenarios of SMD resistor will be expanded. We can see applications in smartphones, computers, smart homes, cars, medical devices and more.

A Rogowski coil is an inductive component that consists of a coil of thin wire wound around a magnetic core in the axial direction. When current flows through the Rogowski coil, it creates a magnetic field in the core, thereby producing an inductance. The Rogowski coil is used in electronic circuits such as oscillators, filters, and amplifiers, and is typically used in high-frequency circuits. In industrial settings, it is widely used in wireless communications, high-frequency induction heating, and power switches.

The standardized structure of copper terminal suitable for welding connection of aluminum wire mainly includes the following characteristics: (1) Terminal substrate: CuZn37 brass is recommended.

Cage terminal has the characteristics of high shock resistance, short wiring time, coupled with its heat resistance, corrosion resistance, is widely used in the field of electrical connection in the world. However, there are also some problems in the actual use of cage spring terminal, terminal burning failure often occurs, the main phenomenon is terminal burning, melting and so on.

Common Mode Choke, also known as common mode inductor, is wound symmetrically on a closed magnetic ring with the same turns in opposite directions. It is often used to filter common-mode electromagnetic interference, suppress the electromagnetic wave produced by high-speed signal lines to emit radiation, and improve the EMC of the system. In practical application, common mode inductance is generally added to the differential signal line.

A Rogowski coil, also known as a current measuring coil or differential current sensor, is a circular coil uniformly wound around a non-ferromagnetic material. The output signal is the derivative of the current with respect to time.

Toroildal inductors have the following functions: 1. Play a filtering role in AC circuit; 2. Can also play a vibration effect; 3. Dc circuit can play the role of frequency conversion; 4. It can also play the role of coupling and coupling.

Toroidal inductor (inductor coil) is an electromagnetic induction component wound with insulated wire, and is one of the commonly used components in electronic circuits.