DEHN electrical components Germany DEHN model DEHN price

DEHN electrical components include resistors, capacitors, inductors, diodes, transistors, field-effect transistors, thyristors, transformers, relays, sensors...; electronic devices include analog circuits (operational amplifiers, comparators, signal conditioners), logic circuits (flip-flops, counters, decoders, registers, transceivers, NOT gates, AND gates, OR gates, NAND gates, NOR gates, XOR gates), microcontrollers, memory, digital potentiometers, signal conversion circuits (A/D converters, D/A converters, voltage/frequency converters), communication circuits (various interface circuits), monitoring and reset circuits (power supply monitoring, program monitoring)..., too numerous to mention.

DEHN electrical component classification

Classification by operating principle or structural characteristics of relays: (1) Electromagnetic relay: an electrical relay that operates using the attractive force generated between the electromagnet core and the armature by the current in the input circuit. (2) Solid-state relay: a relay with no mechanical moving parts, where electronic components perform its functions, providing isolation between input and output. (3) Temperature relay: a relay that operates when the ambient temperature reaches a specified value. (4) Reed relay: a relay that opens, closes, or switches circuits using the action of reed contacts sealed in a tube, which serve both as contact springs and part of the magnetic circuit with the armature. (5) Time delay relay: a relay whose output section delays or limits operation to a specified time before closing or opening the controlled circuit when an input signal is applied or removed. (6) High-frequency relay: a relay used for switching high-frequency and RF lines with minimal loss. (7) Polarized relay: a relay that operates due to the combined effect of a polarizing magnetic field and the magnetic field generated by the control current through the control coil. The direction of relay operation depends on the direction of current flowing through the control coil. (8) Other types of relays: such as optical relays, acoustic relays, thermal relays, instrument-type relays, Hall effect relays, differential relays, etc.

DEHN electrical component principles

The absorption film irradiated by infrared rays is a thin film with low heat capacity and easy temperature rise. A cavity structure is located directly below the center of the substrate, ensuring a temperature difference between the cold junction and the measuring junction. The thermocouple consists of polysilicon and aluminum connected in series. When the temperature at the measuring junctions of the thermocouples rises, a thermoelectric electromotive force Vn is generated between the thermocouples, so the sum of their voltages can be obtained at the output terminal.

DEHN electrical component structure

1. Electrodes: The electrodes of a fuel cell are the sites for electrochemical reactions where fuel undergoes oxidation and oxidant undergoes reduction. Their performance primarily depends on catalyst performance, electrode materials, and electrode manufacturing processes. 2. Electrolyte membrane: Its main function is to separate the oxidant from the reductant and conduct ions. 6. Current collector: Also known as bipolar plates, they function to collect current, separate oxidant from reductant, and guide reaction gases. The performance of current collectors mainly depends on material properties, flow field design, and processing technology.

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