exsys electrical components Germany exsys model exsys price

exsys electrical components are products whose raw material molecular composition is not changed during factory processing, and can be called components. Components belong to devices that do not require energy. They include: resistors, capacitors, and inductors. Circuit-type components include diodes and resistors; connection-type components include connectors, sockets, connecting cables, and printed circuit boards (PCB). Devices are products whose raw material molecular structure is changed during factory production and processing. Devices are divided into active devices and discrete devices. The main characteristic of active devices is that they consume electrical energy and require an external power supply. Discrete devices are divided into bipolar junction transistors, field-effect transistors, thyristors, semiconductor resistors, and capacitors. shi

exsys electrical component functions

Control high power, capable of controlling hundreds of kilowatts of power. Using power transistors as switches has many advantages, primarily easy turn-off and few required auxiliary components. Fast switching allows operation at high frequencies. Transistor compound (Darlington) and parallel configurations are effective methods to increase transistor switching capability. In such high-power circuits, the main problem is wiring. High switching speeds can generate significant interference voltage even on very short connection lines. Simple and optimized base drive creates high performance. The base drive circuit not only drives the power transistor but also protects it, referred to as "non-centralized protection" (in contrast to centralized protection). Functions of integrated drive circuits include: turning on and off the power switch, monitoring auxiliary supply voltage, limiting maximum and minimum pulse width, thermal protection, and monitoring the switch's saturation voltage drop.

exsys electrical component classification

Cables include power cables, control cables, compensation cables, shielded cables, high-temperature cables, computer cables, signal cables, coaxial cables, fire-resistant cables, marine cables, mining cables, aluminum alloy cables, etc. They are all composed of single or stranded conductors and insulation layers, used to connect circuits, electrical appliances, etc. Cables can be divided into DC cables and AC cables according to the photovoltaic power station system, and are classified into DC cables and AC cables based on application and operating environment.

exsys electrical component functions

Functions of capacitors: 1. Capacitors used in coupling circuits are called coupling capacitors. This type of capacitor circuit is widely used in RC-coupled amplifiers and other capacitor-coupled circuits, serving to block DC and pass AC. 2. Capacitors used in filtering circuits are called filter capacitors. This type of capacitor circuit is used in power supply filtering and various filter circuits; filter capacitors remove signals within a certain frequency band from the total signal. 2. Capacitors used in decoupling circuits are called decoupling capacitors. This type of capacitor circuit is used in the DC voltage supply circuits of multi-stage amplifiers; decoupling capacitors eliminate harmful low-frequency cross-coupling between amplifier stages. 3. Capacitors used in high-frequency damping circuits are called high-frequency damping capacitors. In audio negative feedback amplifiers, this type of capacitor circuit is adopted to eliminate possible high-frequency self-excitation, thereby preventing potential high-frequency whistling in the amplifier. 4. Capacitors used in LC resonant circuits are called resonant capacitors. This type of capacitor circuit is required in both LC parallel and series resonant circuits. 5. Capacitors used in bypass circuits are called bypass capacitors. If a specific frequency band needs to be removed from the signal in a circuit, a bypass capacitor circuit can be used. Depending on the frequency of the signal to be removed, there are full-frequency domain (all AC signals) bypass capacitor circuits and high-frequency bypass capacitor circuits. 6. Capacitors used in neutralization circuits are called neutralization capacitors. This type of neutralization capacitor circuit is adopted in radio high-frequency and intermediate-frequency amplifiers, as well as television high-frequency amplifiers, to eliminate self-excitation. 7. Capacitors used in timing circuits are called timing capacitors. Timing capacitor circuits are used in circuits where time control is achieved through capacitor charging and discharging; the capacitor serves to control the magnitude of the time constant. 8. Capacitors used in integration circuits are called integrating capacitors. This type of integrating capacitor circuit is adopted in the synchronization separation circuit for potential field scanning, allowing the field synchronization signal to be extracted from the field composite synchronization signal. 9. Capacitors used in differentiation circuits are called differentiating capacitors. This type of differentiating capacitor circuit is adopted in flip-flop circuits to obtain peaked trigger signals, thereby deriving peaked pulse trigger signals from various (mainly rectangular pulse) signals. 10. Capacitors used in compensation circuits are called compensation capacitors. This type of low-frequency compensation capacitor circuit is used in the bass compensation circuit of card holders to enhance low-frequency signals in the playback audio; additionally, there are high-frequency compensation capacitor circuits. 11. Capacitors used in bootstrap circuits are called bootstrap capacitors. Common OTL power amplifier output stage circuits adopt this bootstrap capacitor circuit to slightly increase the amplitude of the positive half-cycle of the signal through positive feedback. 12. Capacitors used in crossover circuits are called crossover capacitors. In speaker crossover circuits for loudspeakers, crossover capacitor circuits are used to ensure that high-frequency speakers operate in the high-frequency band, mid-range speakers operate in the mid-frequency band, and low-frequency speakers operate in the low-frequency band. 13. Refers to the effective external capacitance that, together with the quartz crystal resonator, determines the load resonant frequency. Common standard values for load capacitance are 16pF, 20pF, 30pF, 50pF, and 107pF. Load capacitance can be appropriately adjusted according to specific conditions; generally, adjusting it allows tuning the resonator's operating frequency to the nominal value.

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