woerlein electrical components Germany woerlein model woerlein price

woerlein electrical components are components of electronic components and small machines and instruments. They themselves often consist of several parts and can be used interchangeably in similar products. They often refer to certain parts in industries such as electrical appliances, radio, and instrumentation, and are a general term for electronic devices such as capacitors, transistors, hairsprings, and mainsprings. Common examples include diodes. Electronic components include: resistors, capacitors, inductors, potentiometers, electron tubes, heat sinks, electromechanical components, connectors, semiconductor discrete devices, electroacoustic devices, laser devices, electronic display devices, optoelectronic devices, sensors, power supplies, switches, micro special motors, electronic transformers, relays, printed circuit boards, integrated circuits, various circuits, piezoelectric, crystals, quartz, ceramic magnetic materials, substrate boards for printed circuits, special materials for electronic functional processes, electronic adhesive (tape) products, electronic chemical materials and parts, etc.

woerlein electrical component structure

Inductors are generally composed of bobbins, windings, shielding covers, encapsulation materials, magnetic cores or iron cores, etc. 1, Bobbin The bobbin refers to the support for winding coils. For some larger fixed inductors or adjustable inductors (such as oscillator coils, choke coils, etc.), enameled wire (or silk-covered wire) is mostly wound around the bobbin, and then magnetic cores, copper cores, iron cores, etc. are installed in the inner cavity of the bobbin to increase their inductance. Bobbins are usually made of plastic, bakelite, or ceramic, and can be made into different shapes according to actual needs. Small inductors (such as color-coded inductors) generally do not use bobbins, but directly wind enameled wire on the magnetic core. Air-core inductors (also known as formless coils or air-core coils, mostly used in high-frequency circuits) do not use magnetic cores, bobbins, shielding covers, etc., but are first wound on a mold and then removed from the mold, with a certain distance maintained between each turn of the coil. 2, Winding A winding refers to a set of coils with specified functions, which is the basic component of an inductor. Windings are divided into single-layer and multi-layer types. Single-layer windings have two forms: close-wound (wires are wound circle by circle during winding) and spaced-wound (a certain distance is kept between each turn of wire during winding); multi-layer windings have various methods such as layered flat winding, random winding, and honeycomb winding. 3, Magnetic Core and Magnetic Rod Magnetic cores and magnetic rods are generally made of materials such as nickel-zinc ferrite or manganese-zinc ferrite. They come in various shapes such as "I" shape, cylindrical, cap-shaped, "E" shape, pot shape, etc. 4, Iron Core Iron core materials mainly include silicon steel sheets, permalloy, etc., and their shape is mostly "E" type. 5, Shielding Cover To prevent the magnetic field generated by some inductors during operation from affecting the normal operation of other circuits and components, a metal shielding cover is added (such as the oscillator coil of a semiconductor radio). Inductors with shielding covers will increase coil losses, reducing the Q value. 8, Encapsulation Material After some inductors (such as color-coded inductors, color-ring inductors, etc.) are wound, the coil and magnetic core are sealed with encapsulation material. Encapsulation materials include plastic or epoxy resin, etc.

woerlein electrical component characteristics

Under normal circumstances, the actual static characteristic output of a sensor is a curve rather than a straight line. In practical work, to enable instruments to have uniformly scaled readings, a fitted straight line is often used to approximately represent 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 is used as the fitted straight line; or the theoretical straight line with the minimum sum of squared deviations from each point on the characteristic curve is used as the fitted straight line, which is called the least squares fitted straight line.

woerlein electrical component applications

SMD inductors are electromagnetic induction components wound with insulated wire. They belong to commonly used inductive components. Function of SMD inductors: Passing DC and blocking AC is a simple description. They isolate AC signals, filter them, or form resonant circuits with capacitors, resistors, etc. Function of tuning and frequency selection inductors: Inductor coils connected in parallel with capacitors can form LC tuning circuits. Any current in the circuit passing through an SMD inductor generates a magnetic field, and the magnetic flux of the magnetic field acts on the circuit. When the current passing through the SMD inductor changes, the DC voltage potential generated in the SMD inductor will oppose the change in current. When the current passing through the inductor coil increases, the self-induced electromotive force generated by the inductor coil is opposite to the direction of the current, opposing the increase in current, while converting part of the electrical energy into magnetic energy stored in the inductor; when the current passing through the inductor coil decreases, the self-induced electromotive force is in the same direction as the current, opposing the decrease in current, while releasing stored energy to compensate for the decrease in current. Therefore, after inductive filtering, not only are the ripples of load current and voltage reduced and the waveform becomes smoother, but the conduction angle of the rectifier diode also increases. Inductor function 1: Color-ring inductors have a choking effect: The copper core in the color-ring inductor coil always opposes changes in the current in the coil. Color-ring inductors hinder the AC current used in the circuit. The magnitude of this hindrance is called inductive reactance XL, measured in ohms. Its relationship with inductance L and AC frequency f is XL=2πfL. Color-ring inductors are mainly divided into high-frequency choke coils and low-frequency choke coils. Inductor function 2: Color-ring inductors have tuning and frequency selection functions: Color-ring inductors connected in parallel with electrolytic capacitors can form LC tuning circuits. At resonance, the inductive reactance and capacitive reactance of the circuit are equal in magnitude but opposite in direction. That is, if the natural oscillation frequency f0 of the circuit equals the frequency f of the non-AC signal, the inductive reactance and capacitive reactance of the loop are also equal. The usage of color-ring inductors is generally not very high, and color-ring inductors used in circuits are generally quite stable. Inductor function 5: The main uses of color-ring inductors are signal screening, noise filtering, current stabilization, and suppression of electromagnetic wave interference. The basic function of color-ring inductors is charging and discharging, but many circuit phenomena derived from this basic charging and discharging function give color-ring inductors various different uses. Today, color-ring inductors are widely used by customers, and the role played by these small inductors should not be underestimated.

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