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What are active components and passive components?
Active components correspond to active components. If there is a power source inside an electronic component during operation, it is called an active device and requires a source of energy to achieve its specific function.
Active devices themselves also consume electrical energy, and high-power active devices are usually equipped with heat sinks.
The passive component corresponds to the passive component. Resistive, capacitive, and inductive components can complete their designated functions in a circuit with signals passing through them, without the need for an external excitation power supply, hence they are called passive devices.
Passive components are mainly resistors, inductors, and capacitors, and their common feature is that they can operate in circuits without the need for a power supply when there is a signal.
Passive devices consume very little electrical energy themselves, or convert electrical energy into different forms of other energy.
Passive electronic components are an important category of electronic information products. Passive components, along with active components such as integrated circuits and transistors, form the core of circuits and are the foundation of various electronic information products. In new electronic products, integrated circuits and passive components account for 46.1% and 9.1% of the total production cost of all electronic components and parts, while they account for 12.7% and 55.1% of the total installation cost, respectively. Even the management and installation costs of some chip components have exceeded their prices. It is not difficult to see that passive electronic components have become a bottleneck restricting the further development of the whole machine towards miniaturization and integration.
In recent years, high-speed flexible electronics have received widespread attention and research both domestically and internationally due to their advantages such as lightweight structure, bendable folding, stable mechanical properties, high efficiency, lighter weight, and low-cost manufacturing processes. Subsequently, high-speed flexible PCB thin film device circuits have been continuously researched and developed, and currently flexible thin film transistors (TFTs), flexible microwave PIN diodes, and flexible RF switch circuits have been developed. This indicates that there is great potential for the development of flexible single-chip microwave integrated circuits on plastic substrates. To establish high-speed flexible integrated circuits and systems, high-performance flexible passive components such as inductors, capacitors, and interconnects are indispensable, and research on their RF characteristics is crucial.
The rapidly growing demand for on-chip systems and multi chip combination modules has provided important impetus for the global passive and interconnected electronic component market. They constitute an indispensable part of the electronics industry, therefore, the growth trend of automation is benefiting the market. The lower price, good availability, and shorter delivery time of these components indicate the manufacturer's profitability, thereby having a positive impact on the overall revenue of the market.
Passive components
Types of passive components
An electronic component that can display its characteristics without the need for an external power source. Passive components are mainly resistors, inductors, and capacitors, and their common feature is that they can operate in circuits without the need for a power supply when there is a signal.
Passive components in electronic systems can be classified into circuit type components and connection type components according to their circuit functions.
Passive circuit components
1. Resistor
2. Resistor network
3. Capacitor
4. Inductive inductor
5. Transformer Transformer
6. Relay
7. Key button
8. Buzzer, speaker
9. Switch switch
Connection type passive components
1. Connector
2. Socket socket
3. Connect cable line