Bulgin electrical components Germany Bulgin model Bulgin price

Bulgin electrical components is the name of circuit boards, including: ceramic circuit boards, alumina ceramic circuit boards, aluminum nitride ceramic circuit boards, printed wiring boards, PCB boards, aluminum substrate boards, high-frequency boards, thick copper boards, impedance boards, PCB, ultra-thin printed wiring boards, ultra-thin circuit boards, printed (copper etching technology) circuit boards, etc. Circuit boards miniaturize and visualize circuits, playing an important role in mass production of fixed circuits and optimizing appliance layout. Circuit boards can be called printed wiring boards or printed circuit boards. Flexible printed wiring boards and flexible circuit boards are a type of highly reliable, excellent flexibility printed circuit board made using polyimide or polyester film as the base material. They feature high wiring density, light weight, thin thickness, and good bendability.) and rigid-flex boards - the birth and development of FPC and PCB gave rise to the new product of rigid-flex boards. Therefore, rigid-flex boards are circuit boards formed by combining flexible printed wiring boards and rigid printed wiring boards through lamination and other processes according to relevant process requirements, possessing both FPC characteristics and PCB characteristics.

Bulgin electrical component classification

A self-inductor generates a magnetic field around the coil when current flows through it. When the current in the coil changes, the surrounding magnetic field also changes correspondingly. This changing magnetic field induces an electromotive force (induced EMF) in the coil itself (EMF is used to represent the terminal voltage of an ideal power source of an active component), which is self-inductance. An electronic component made by winding wire with a certain number of turns, capable of producing a certain amount of self-inductance or mutual inductance, is often called an inductor coil. To increase inductance, improve the quality factor, and reduce volume, a core made of ferromagnetic material, such as an iron core or magnetic core, is often added. The basic parameters of an inductor include inductance, quality factor, inherent capacitance, stability, current rating, and operating frequency. An inductor composed of a single coil is called a self-inductor, and its self-inductance is also known as the self-inductance coefficient. A mutual inductor occurs when two inductor coils are close to each other; the change in the magnetic field of one inductor coil affects the other inductor coil. This effect is mutual inductance. The magnitude of mutual inductance depends on the self-inductance of the inductor coils and the degree of coupling between the two inductor coils. Components made using this principle are called mutual inductors.

Bulgin electrical component composition

A sensor generally consists of four parts: a sensing element, a conversion element, a signal conditioning circuit, and an auxiliary power supply. The sensing element directly senses the measured quantity and outputs a physical quantity signal that has a definite relationship with the measured quantity. The conversion element converts the physical quantity signal output by the sensing element into an electrical signal. The signal conditioning circuit is responsible for amplifying and modulating the electrical signal output by the conversion element. The conversion element and the signal conditioning circuit generally require power from an auxiliary power supply.

Bulgin electrical component parameters

1. Nominal varistor voltage: refers to the voltage value across the varistor when a pulse current of specified duration passes through it. 2. Voltage ratio: refers to the ratio of the voltage value generated by the current of the varistor to the voltage value generated by the current of the varistor. 3. Maximum limiting voltage: the peak voltage across the varistor under the maximum pulse peak current Ip that the varistor can withstand and under the specified waveform. 4. Residual voltage ratio: when the current passing through the varistor is a certain value, the voltage generated across it is called the residual voltage for that current value. The residual voltage ratio is the ratio of the residual voltage to the nominal voltage. 5. Current handling capacity: Current handling capacity, also known as surge current rating, refers to the maximum pulse current value allowed to pass through the varistor under specified conditions. 6. Leakage current: Leakage current, also known as standby current, refers to the current flowing through the varistor at a specified temperature and maximum DC voltage. 7. Voltage temperature coefficient: refers to the rate of change of the nominal voltage of the varistor within a specified temperature range, i.e., the relative change in voltage across the varistor when the temperature changes while the current passing through the varistor remains constant. 8. Current temperature coefficient: refers to the relative change in current flowing through the varistor when the temperature changes while the voltage across the varistor remains constant. 9. Voltage nonlinearity coefficient: refers to the ratio of the static resistance value to the dynamic resistance value of the varistor under a given applied voltage. 10. Insulation resistance: refers to the resistance value between the lead wires of the varistor and the insulating surface of the resistor body. 11. Static capacitance: refers to the inherent capacitance of the varistor itself. 12. Rated power: the maximum power that causes a change in varistor voltage when operating at a specific ambient temperature. 23. Maximum surge current: the maximum surge current that causes a change in varistor voltage when the varistor is impacted by a specific pulse current once or twice.

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