Introduction to commonly used materials for SMT chip processing. Customers of SMT PCB assembly service patch processing are very concerned about the processing quality. The quality of patch processing is the top priority. However, for SMT OEM materials, the choice of electronic components is also one of the key factors affecting product quality. Electronic processing is inseparable from electronic components, and the selection of components is also one of the core issues. It is necessary to not only ensure the quality of the product, but also control the cost within the budget to achieve a balance between quality and cost. The following professional SMT processing factory will briefly introduce some common components for SMT chip processing.

Commonly used materials for SMT chip processing
1. Chip resistor
Resistors are electronic components with resistive characteristics and are widely used in SMT chip processing. Resistors are divided into fixed resistors and variable resistors (potentiometers), which play the role of voltage equalization, current shunting and current limiting in the circuit.

2. Chip capacitor
Capacitor is also one of the basic components of SMT processing. It is a storage component of electrical energy. It plays the role of coupling, filtering, DC and tuning in electronic circuits.

3. Induction coil
This is what we often call an inductor, which can store magnetic energy. The inductor coil in SMT patch processing usually consists of frame, winding, shielding cover, iron core, etc. The resistance of a potentiometer can be changed. During the SMT processing process, the resistance needs to be continuously adjusted within a specified range, which is called a potentiometer. The potentiometer consists of a housing, a sliding end, a rotating shaft, a ring resistor body and three lead terminals.

4. Transformer
Transformers generally consist of an iron core and a coil. The coil has two or more windings. The winding connected to the power supply is called a primary coil, and the rest are called secondary coils. When there is AC current in the primary coil, AC magnetic flux will be generated in the magnetic core, causing voltage induction in the secondary coil. Transformers are mainly used for AC voltage conversion, current conversion, power conversion, impedance conversion and buffer isolation.

5. Crystal diode
The crystal diode consists of a PN junction, an electrode lead and an additional sealed shell, and has unidirectional conductivity.

6. Field effect transistor
This diode is also a PN junction semiconductor device. Unlike transistors, in SMT chip processing, it does not use the conductivity of the PN junction, but uses its insulating properties.

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