bedea electrical components Germany bedea model bedea price

bedea electrical components are specifically designed to suppress high-frequency noise and spike interference on signal lines and power lines, and also have the ability to absorb electrostatic pulses. Ferrite beads are used to absorb ultra-high-frequency signals. Some RF circuits, PLL, oscillator circuits, and circuits containing ultra-high-frequency memory (DDR SDRAM, RAMBUS, etc.) all require ferrite beads at the power input section. Inductors are energy-storage components used in LC oscillator circuits, medium and low-frequency filter circuits, etc., with an application frequency range rarely exceeding 50MHZ. Ferrite beads have high resistivity and permeability, equivalent to a resistor and inductor in series, but both resistance and inductance vary with frequency.

bedea electrical component parameters

Rated voltage: refers to the safe voltage allowed during normal operation of the switch. If the voltage applied across the switch exceeds this value, arcing and breakdown between the two contacts will occur. Rated current: refers to the maximum safe current allowed to pass when the switch is closed. If this value is exceeded, the switch contacts will burn out due to excessive current. Insulation resistance: refers to the resistance value between the conductive part and the insulating part of the switch. Contact resistance: refers to the resistance value between each pair of contacts when the switch is in the closed state. Dielectric strength: refers to the highest voltage that the switch can withstand between the conductor and ground. Service life: refers to the number of operations the switch can perform under normal working conditions.

bedea electrical component principle

The construction of a mercury switch is very simple. It consists of a sealed cylindrical insulating housing containing approximately one-fifth mercury. Two wires leading from the inside are fixed at one end of the housing. This constitutes a mercury switch. Due to gravity, the mercury droplet flows to the lower part of the container. If it simultaneously contacts both electrodes, the switch closes the circuit, turning the switch on. The shape of the container also affects the conditions under which the mercury droplet contacts the electrodes.

bedea electrical component characteristics

Under normal circumstances, the actual static characteristic output of a sensor is a curve rather than a straight line. In practical applications, to enable instruments to have uniformly scaled readings, a fitted straight line is often used to approximate the actual characteristic curve. Linearity (non-linear error) is a performance indicator of this degree of approximation. There are various methods for selecting the fitted straight line. For example, the theoretical straight line connecting the zero-input and full-scale output points can be used as the fitted line; or the theoretical straight line that minimizes the sum of squared deviations from each point on the characteristic curve can be used, known as the least squares fitted line.

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