Contents
What is CR on a circuit board?
CRT:cathode ray tube. D or CR: diode. F: fuse. GDT: gas discharge tube. IC: integrated circuit.
What is Q electronic components?
“Q” is a most important property of both capacitors and inductors although it is actually dimensionless. All inductors exhibit some extra resistance to ac or rf, “Q” is the reactance of the inductor divided by this ac or rf resistance plus the dc resistance of the windings.
Why does CR mean diode?
CR often means ‘current rectifier’, translate diode.
What is the full form of electronic component MOV?
Metal-Oxide Varistor (MOV) is a common type of varistor. This contains a ceramic mass of zinc oxide grains sandwiched between two metal plates. A varistor is also known as Voltage Dependent Resistor. A varistor’s function is to conduct significantly increased current when voltage is excessive.
What do the letters in a reference designator mean?
Standard Reference Designators A reference designator unambiguously identifies a component in an electrical schematic or on a printed circuit board. The reference designator usually consists of one or two letters followed by a number, e.g. R13, C1002.
What is the definition of a designator component?
Designators Designator Component type A Separable assembly or sub-assembly (e.g. AT Attenuator or isolator BR Bridge rectifier BT Battery
What is the reference designator for a W35 cable?
1A1A45J333 – Unit 1, Assembly 1, Sub-Assembly 45, Jack 333 (J333 is a connector on a box referenced as A45) A cable connecting these two might be: 1A1W35 – In the assembly A1 is a cable called W35.
What are the different types of designators for LEDs?
Designators Designator Component type CN Capacitor network D, CR Diode (all types, including LED ), thyri DL Delay line DS Display, general light source, lamp, sig