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IEEE 200-1975 or "Standard Reference Designations for Electrical and Electronics Parts and Equipments" is a standard that was used to define referencing naming systems for collections of electronic equipment. IEEE 200 was ratified in 1975. The IEEE renewed the standard in the 1990s, but withdrew it from active support shortly thereafter.
kg⋅m 2 ⋅s −3 ⋅A −2: ρ resistivity: ohm metre: Ω⋅m kg⋅m 3 ⋅s −3 ⋅A −2: P electric power: watt: W = V⋅A kg⋅m 2 ⋅s −3: C capacitance: farad: F = C/V kg −1 ⋅m −2 ⋅A 2 ⋅s 4: Φ E electric flux: volt metre: V⋅m kg⋅m 3 ⋅s −3 ⋅A −1: E electric field strength volt per metre: V/m = N/C kg⋅m⋅A −1 ...
The codes given in the chart below usually tell the length and width of the components in tenths of millimeters or hundredths of inches. For example, a metric 2520 component is 2.5 mm by 2.0 mm which corresponds roughly to 0.10 inches by 0.08 inches (hence, imperial size is 1008).
where is the breakdown voltage in volts, is the pressure in pascals, is the gap distance in meters, is the secondary-electron-emission coefficient (the number of secondary electrons produced per incident positive ion), is the saturation ionization in the gas at a particular / (electric field/pressure), and is related to the excitation and ...
Kathrein-Werke KG is a German manufacturer of antenna systems and related electronics. The company was founded in Rosenheim (Upper Bavaria) in 1919 and is still headquartered there. [1] It is the world's oldest and largest antenna manufacturer, valued at about $1.8 billion in 2015. [2]
These parts are prefixed with 54 instead of 74 in the part number. [1] A short-lived 64 prefix on Texas Instruments parts indicated an industrial temperature range; this prefix had been dropped from the TI literature by 1973. Most recent 7400-series parts are fabricated in CMOS or BiCMOS technology rather than TTL.
STEbus 68008 processor on 100x160mm Eurocard. Eurocard is an IEEE standard format for printed circuit board (PCB) cards that can be plugged together into a standard chassis which, in turn, can be mounted in a 19-inch rack.
A diode intended for regular operation in the reverse, avalanche breakdown, mode. Used as a voltage reference, noise source, and in certain classes of microwave oscillator device. average rectified value The average value of an alternating current waveform, taking the absolute value of the waveform. The average value is generally different from ...