bitly.com – This module, provided by Digi-Key and Vishay, will present an overview of the MC AT thin film chip resistors family. The basic electric parameters of the MC AT will be discussed as well.
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Fixed and variable wire wound resistors Fixed wire wound resistors are used in audio frequency DC and AC circuits as voltage dividers as well as damping and terminating resistors for establishing a high stability of parameters of the circuit and the high power of dissipation. Wire wound resistors have an insulating ceramic or plastic base. Wires made of special alloys with high resistivity, good thermal stability and low temperature resistance coefficient are used in manufacturing of such resistors. Wire wound resistors are made by winding wire on the frame, so they have a higher inductance and capacitance of its own. To reduce the inductance a bifilar winding is used ie when the winding is made with doubled wires where the fields of the turns located next to each other are directed towards each other. For insulation and protection of turns the winding is covered with heatproof inorganic vitreous enamel or heavy-duty glass-ceramic coating. Variable wire wound resistors are used as adjusting and trimming elements for maintenance and repair of household appliances, as well as to control large currents in power circuits as rheostats, voltage dividers, and more. These resistors are manufactured with resistance from fractions of one Ohm to several tens of Ohms, where the acceptable power dissipation for them ranges from 0.5 to 5W. The design of the variable wire wound resistor looks like that. A toroidal or tubular ceramic or plastic frame on which a thin wire with high ohmic …
This easily-reproducible three-minute video demonstrates the comparative thermal shock and temperature coefficient of resistance (TCR) performance of three resistor technologies: thick film, thin film, and Bulk Metal Z-Foil technology. Also, because TCR is directly proportional to each technology’s overall stability (such as load-life stability, short-term overload, shock and vibration, etc.), TCR can be used as a readily accessible figure of merit for each technology.
The trial of some of the resisters featured on Valkyrie. I was editor on the documentary Valkyrie for the History Channel. The men had their belts taken away so they would have to hold their pants up in humiliation. He was taken out and hung by cord as thin as piano wire — as seen at the end of the movie Valkyrie. Presented for artistic demo purposes
Fort York, Germany University of Applied Sciences, Professor W. Jillek electronic plating academic exchange in Shanghai at the annual meeting was entitled “Structure of electronic components function inkjet printer?? Ink-jetPrinting of Functional Structures for ElectronicDevices” report, the subheading is the “Print Printed Circuit Board?? Print the PrintedCircuitBoard”. Report a more systematic introduction to the ink-jet printing in PCB manufacturing application of basic principles and relevant results.
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