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  2. List of electronic component packaging types - Wikipedia

    en.wikipedia.org/wiki/List_of_electronic...

    Problematically, some manufacturers are developing metric 0201 components with dimensions of 0.25 mm × 0.125 mm (0.0098 in × 0.0049 in), [31] but the imperial 01005 name is already being used for the 0.4 mm × 0.2 mm (0.0157 in × 0.0079 in) package. These increasingly small sizes, especially 0201 and 01005, can sometimes be a challenge from ...

  3. Unit of length - Wikipedia

    en.wikipedia.org/wiki/Unit_of_length

    A unit of length refers to any arbitrarily chosen and accepted reference standard for measurement of length. The most common units in modern use are the metric units, used in every country globally. In the United States the U.S. customary units are also in use. British Imperial units are still used for some purposes in the United Kingdom and ...

  4. Linear density - Wikipedia

    en.wikipedia.org/wiki/Linear_density

    Consider a long, thin wire of charge and length .To calculate the average linear charge density, ¯, of this one dimensional object, we can simply divide the total charge, , by the total length, : ¯ = If we describe the wire as having a varying charge (one that varies as a function of position along the length of the wire, ), we can write: = Each infinitesimal unit of charge, , is equal to ...

  5. ISO/IEC 80000 - Wikipedia

    en.wikipedia.org/wiki/ISO/IEC_80000

    ISO/IEC 80000, Quantities and units, is an international standard describing the International System of Quantities (ISQ). It was developed and promulgated jointly by the International Organization for Standardization (ISO) and the International Electrotechnical Commission (IEC).

  6. Transmission delay - Wikipedia

    en.wikipedia.org/wiki/Transmission_delay

    Transmission delay is a function of the packet's length and has nothing to do with the distance between the two nodes. This delay is proportional to the packet's length in bits. It is given by the following formula: = / seconds. where: is the transmission delay in seconds;

  7. Multi-pack - Wikipedia

    en.wikipedia.org/wiki/Multi-pack

    Multi-packs can be used to: Combine several items for a larger unit of sale, often with a reduced individual cost; Provide a package handle to conveniently carry several items

  8. Kinetic chain length - Wikipedia

    en.wikipedia.org/wiki/Kinetic_chain_length

    Kinetic chain length is defined as the average number of monomers that react with an active center such as a radical from initiation to termination. [ 1 ] This definition is a special case of the concept of chain length in chemical kinetics .

  9. Femtometre - Wikipedia

    en.wikipedia.org/wiki/Femtometre

    The femtometre (American spelling femtometer), symbol fm, [1] [2] (derived from the Danish and Norwegian word femten 'fifteen', Ancient Greek: μέτρον, romanized: metron, lit. 'unit of measurement') is a unit of length in the International System of Units (SI) equal to 10 −15 metres , which means a quadrillionth of one metre.