xELEKTROBOCK electrical components Germany xELEKTROBOCK model xELEKTROBOCK price

xELEKTROBOCK electrical components refer to integrated circuits in which analog circuits composed of capacitors, resistors, transistors, etc., are integrated together to process analog signals. There are many analog integrated circuits, such as operational amplifiers, analog multipliers, phase-locked loops, and power management chips. The main constituent circuits of analog integrated circuits include: amplifiers, filters, feedback circuits, reference source circuits, switched-capacitor circuits, etc. Analog integrated circuit design is mainly obtained through manual circuit debugging and simulation by experienced designers, whereas corresponding digital integrated circuit design is mostly automatically synthesized under the control of EDA software using hardware description languages. Integrated circuits can be divided into two major categories based on their function and structure: digital IC and analog IC. Digital IC are used to generate, amplify, and process various digital signals (signals that vary discretely in time and amplitude). Analog IC are circuits used to generate, amplify, and process various analog signals (signals whose amplitude varies continuously with time); they are one of the core technologies of microelectronics, capable of acquiring, amplifying, comparing, converting, and modulating analog quantities such as voltage or current.

xELEKTROBOCK 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, and more. They are all composed of single-strand or multi-strand 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.

xELEKTROBOCK electrical component classification

1, fusible resistors: also known as fuse resistors, they serve the dual function of a resistor and a fuse under normal conditions. When a circuit fault causes their power consumption to exceed the rated power, they blow like a fuse to disconnect the connected circuit. Fusible resistors generally have low resistance values and low power ratings. 2, sensitive resistors: refer to resistors whose resistance value is sensitive to certain physical quantities (such as temperature, humidity, light intensity, voltage, mechanical force, and gas concentration). When these physical quantities change, the resistance of the sensitive resistor changes accordingly, presenting different resistance values. Based on sensitivity to different physical quantities, sensitive resistors can be classified into thermistors, humidity-sensitive resistors, photoresistors, varistors, force-sensitive resistors, magnetoresistors, and gas-sensitive resistors. The materials used for sensitive resistors are almost all semiconductor materials, so these resistors are also called semiconductor resistors. The resistance of a thermistor changes with temperature; those whose resistance decreases as temperature rises are negative temperature coefficient (NTC) thermistors. NTC thermistors are widely used and can be further divided into general-purpose NTC thermistors, voltage-stabilizing NTC thermistors, and temperature-measuring NTC thermistors. A photoresistor's resistance changes with the intensity of incident light; when incident light increases, the resistance of the photoresistor decreases, and when incident light weakens, the resistance increases.

xELEKTROBOCK electrical component classification

Thermosensitive materials are generally divided into three categories: semiconductors, metals, and alloys: 1. Semiconductor thermistor materials include single-crystal semiconductors, polycrystalline semiconductors, glass semiconductors, organic semiconductors, and metal oxides. They all have very large temperature coefficients of resistance and high resistivity, resulting in high sensitivity for sensors made from them. Based on the temperature coefficient of resistance, they can also be divided into negative temperature coefficient materials and positive temperature coefficient materials. For example, barium titanate ceramic is an ideal positive temperature coefficient semiconductor material. Both types of materials are widely used in temperature measurement, temperature control, temperature compensation, switching circuits, overload protection, and time delay applications, such as in the manufacture of thermistor thermometers, thermistor switches, and thermistor delay relays. Due to the exponential relationship between resistance and temperature, these materials have a narrow temperature measurement range and poor uniformity. 2. Metal thermistor materials are widely used as thermal resistors for temperature measurement, current limiters, and automatic constant-temperature heating elements. Examples include platinum resistance thermometers, nickel resistance thermometers, and copper resistance thermometers. Among them, platinum temperature sensors exhibit significantly high precision and stability in various media (including corrosive media). However, their widespread application is somewhat limited due to the scarcity and high cost of platinum. Copper temperature sensors are cheaper, but long-term use in corrosive media can lead to significant changes in static characteristics and resistance values. Nickel temperature sensors are widely used abroad and are considered a relatively ideal material because they offer high sensitivity, satisfactory reproducibility, and stability. 3. Alloy thermistor materials, also known as thermistor alloys. This type of alloy has higher resistivity, and its resistance value is quite sensitive to temperature changes, making it a good material for manufacturing temperature-sensitive sensors. The performance requirements for thermistor alloys as temperature-sensitive sensors are as follows: (1) sufficiently high resistivity; (2) reasonably high temperature coefficient of resistance; (3) linear expansion coefficient close to that of the experimental material; (4) small strain sensitivity coefficient; (5) good repeatability of the resistance-temperature curve during heating and cooling within the operating temperature range.

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