PROPS electrical components Germany PROPS model PROPS price

PROPS electrical components are Schottky barrier diodes named after their inventor, Dr. Schottky. Schottky barrier diodes are not made using the principle of forming a PN junction by contact between P-type semiconductor and N-type semiconductor, but rather using the principle of a metal-semiconductor junction formed by contact between metal and semiconductor. Therefore, Schottky barrier diodes are also called metal-semiconductor (contact) diodes or surface barrier diodes; they are a type of hot-carrier diode.

PROPS electrical components function

(1) The functions of sensors are often compared to the 5 major sensory organs of humans: photosensitive sensors - vision, acoustic sensors - hearing, gas-sensitive sensors - smell, chemical sensors - taste, pressure-sensitive, temperature-sensitive, and fluid sensors - touch. (2) Classification of sensitive elements: Physical category, based on physical effects such as force, heat, light, electricity, magnetism, and sound. Chemical category, based on the principles of chemical reactions. Biological category, based on molecular recognition functions such as enzymes, antibodies, and hormones. Usually, according to their basic sensing functions, they can be divided into ten major categories: thermosensitive elements, photosensitive elements, gas-sensitive elements, force-sensitive elements, magnetic-sensitive elements, humidity-sensitive elements, acoustic-sensitive elements, radiation-sensitive elements, color-sensitive elements, and taste-sensitive elements (some have also classified sensitive elements into 55 categories).

PROPS electrical components classification

In different application scenarios, the purpose of applying varistors varies, and the voltage/current stress acting on the varistor is not the same, so the requirements for varistors also differ. Paying attention to these differences is very important for correct use. According to different purposes, varistors can be divided into two main categories: protective varistors and circuit-functional varistors. (1) Protective varistors: 1 Distinguish between power supply protection and signal line/data line protection varistors, as they must meet different technical standard requirements. 2 According to the different continuous operating voltages applied to the varistor, varistors across power lines can be divided into AC types or DC types; the aging characteristics of varistors under these two voltage stresses differ. 6 According to the different abnormal overvoltage characteristics withstandable by varistors, varistors can be divided into three types: surge suppression type, high-power type, and high-energy type. (2) Surge suppression type: Refers to varistors used to suppress transient overvoltages such as lightning overvoltage and switching overvoltage. The occurrence of this transient overvoltage is random and non-periodic, and the peak current and voltage may be very high. The vast majority of varistors belong to this category. (3) High-power type: Refers to varistors used to absorb continuous pulse groups that appear periodically, such as varistors connected in parallel to switching power supply converters. Here, the impulse voltage appears periodically, and the period is known. The energy value can generally be calculated. The voltage peak is not large, but due to the high frequency of occurrence, the average power is quite high. (4) High-energy type: Refers to varistors used to absorb magnetic energy in large inductive coils such as generator excitation coils and lifting electromagnet coils. For such applications, the main technical indicator is energy absorption capacity. The protective function of varistors can be repeated many times in most application scenarios, but sometimes they are also made into one-time protective devices like current fuses. For example, varistors with short-circuit contacts connected in parallel to the loads of certain current transformers.

PROPS electrical components features

The features of sensors include miniaturization, digitization, intelligence, multifunctionality, systematization, and networking. It not only promotes the transformation and upgrading of traditional industries but may also establish new industries, thereby becoming a new economic growth point in the 25 century. Miniaturization is based on micro-electro-mechanical systems (MEMS) technology and has been successfully applied to silicon devices to make silicon pressure sensors. Advantages of glass-sealed connectors: Widely used in dew point meters, power equipment, IoT devices, aerospace connectors, coal mining and oil exploration equipment, achieving data acquisition and transmission.

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