What are the commonly used electronic devices in PCBA processing?
Release time:
2023-02-18 17:52
PCBA processing is the production of circuit boards is a key process, the processing process mainly includes PCB board and SMT chip processing two major processes, which also lacks a class of things, that is, electronic devices. Electronic devices are the basic components of PCBA processing, but also an important factor affecting the performance and quality of the finished PCBA. So what are the commonly used electronic devices in PCBA processing?
1. Resistor
Resistor is an electronic device with resistance characteristics, is one of the more widely used components in PCBA processing. Resistors are divided into fixed resistors and variable resistors (potentiometers), in the circuit to play the role of voltage division, shunt, current limitation.
2. Capacitor
Capacitor is also one of the basic components of PCBA processing, is the storage element of electrical energy, in the electronic circuit plays the role of coupling, filtering, DC and tuning.
3. Inductors
Inductors, also known as induction coils, have the function of storing magnetic energy.Inductors in PCBA processing are usually composed of a skeleton, windings, shields, cores and so on.
4. Potentiometer
Potentiometer resistor can change the resistance, PCBA processing requires a specified range of continuous adjustment of the resistor, called potentiometer. Potentiometer consists of housing, sliding end, rotating shaft, ring resistor body and 3 lead ends.
5. Transistors
Transistor is the core device for signal amplification and processing, widely used in PCBA chip processing treatment.
6. Field Effect Tube
Field effect tube is also a semiconductor device with a PN junction, unlike transistors, in PCBA processing is not the use of the conductive properties of the PN junction, but its insulating properties.
7. Electroacoustic devices
A device used in a circuit to convert between electrical and acoustic signals is called an electro-acoustic device. There are various kinds of speakers, microphones, headphones, transmitters, receivers, and so on.
8. Photoconductive devices
SMT SMD processing requires the use of semiconductor photosensitive photoconductive devices, the use of semiconductor photovoltaic effect of photovoltaic cells and semiconductor light-emitting devices, such as photovoltaic devices.
9. Transformer
PCBA processing of the transformer by the iron core (or core) and coil composition, the coil has two or more windings, which is connected to the power supply winding is called the primary coil, the rest of the winding is called the secondary coil. Transformer is a device for transforming voltage, current and impedance. When there is an AC current in the primary coil, an AC magnetic flux is generated in the iron core, which permits the induction of voltage in the secondary coil. Transformers are mainly used for AC voltage conversion, current conversion, power conversion, impedance conversion and buffer isolation, and are one of the important and indispensable components in the PCBA process.
10. Diode
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