puls electrical components German puls models puls prices

puls electrical components are energy conversion devices that convert sound signals into electrical signals. Categories include moving-coil, condenser, electret, and the recently emerging silicon microphones, as well as liquid microphones and laser microphones. Most microphones are electret condenser microphones, which operate using a polymer diaphragm with permanently isolated charge.

puls electrical component characteristics

The characteristics of an inductor are exactly opposite to those of a capacitor; it has the property of blocking alternating current while allowing direct current to pass smoothly. The resistance when a DC signal passes through the coil is merely the resistance of the wire itself, resulting in a very small voltage drop; when an AC signal passes through the coil, a self-induced electromotive force is generated across the coil terminals. The direction of this self-induced electromotive force is opposite to that of the applied voltage, hindering the passage of AC. Therefore, the characteristic of an inductor is to pass DC and block AC; the higher the frequency, the greater the coil impedance. Inductors often work together with capacitors in circuits to form LC filters, LC oscillators, etc. Additionally, utilizing the properties of inductance, choke coils, transformers, relays, and other devices are manufactured. Passing DC: This refers to the inductor presenting a conductive state to DC. If the resistance of the inductor coil is ignored, DC can pass through the inductor "unimpeded." For DC, the coil's own resistance offers very little obstruction, so it is often neglected in circuit analysis. Blocking AC: When AC passes through the inductor coil, the inductor presents an obstruction to the AC; this obstruction is the inductive reactance of the coil.

puls electrical component applications

Light-emitting diodes are widely used in many fields. The following outlines their main applications: (1) Applications in electronic products: Light-emitting diodes are generally used as backlight sources for screens or for display and lighting purposes in electronic products. From large LCD TVs and computer monitors to media players MP3, MP4, and mobile phones, light-emitting diodes are used as screen backlights. (2) Applications in automobiles and heavy machinery: Light-emitting diodes are extensively used in automobiles and heavy machinery. Turn signals, interior lighting, instrument panel lighting, headlights, indicator lights, brake lights, and tail lights in automobiles and heavy mechanical equipment all utilize light-emitting diodes. This is mainly because light-emitting diodes offer fast response times and long service life (the lifespan of a light-emitting diode is generally longer than that of the automobile or heavy machinery itself). (3) Applications in coal mines: Due to characteristics such as high efficiency, low energy consumption, long lifespan, and high luminous intensity compared to ordinary light-emitting devices, light-emitting diodes are used in miners' lamps and underground lighting equipment. Although not yet fully popularized, they will soon see widespread adoption, and light-emitting diodes will replace ordinary light-emitting devices in coal mining applications. (12) Urban decorative lighting: In today's bustling commercial era, neon lights are an important symbol of urban prosperity, but they have many drawbacks, such as insufficient lifespan. Therefore, replacing neon lights with light-emitting diodes offers many advantages. Compared to neon lights, light-emitting diodes not only have a longer lifespan but also feature energy savings, simple drive and control requirements, and maintenance-free operation. The replacement of neon lights by light-emitting diodes is an inevitable trend in the development of lighting equipment.

puls electrical component principles

The construction of a mercury switch is very simple. The exterior is 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 bead 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 bead contacts the electrodes.

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