Power Supplies A to Z

We've included this handy glossary to help with the terminology & abbreviations relating to power products. Pick a letter below to begin, or download the glossary to refer to it whenever you like.

A From 'A' To 'AWG'
B From 'Back Electromotive Force (Back EMF)' To 'Bus Converter '
C From 'C' To 'Curve B (or Class B)'
D From 'dB' To 'Dynamic Load'
E From 'Earth' To 'External Fusing'
F From 'F' To 'Fusible Link'
G From 'Galvanic' To 'Grounded'
H From 'H' To 'Hz'
I From 'I ' To 'Isolation Voltage'
J From 'J ' To 'Junction Field Effect Transistor (JFET)'
K From 'K' To 'kWh'
L From 'L ' To 'LVD'
M From 'Magnetic Amplifier (Mag Amp)' To 'Multi-Resonant Topology (MRT)'
N From 'Nano ' To 'NTC'
O From 'OCV' To 'OVP'
P From 'P' To 'PWM '
Q From 'Quarter Brick ' To 'Quarter Brick '
R From 'R' To 'RS485'
S From 'S' To 'System International d’Unites (SI)'
T From 't' To 'TUV '
U From 'U' To 'USB'
V From 'V' To 'Vss'
W From 'W' To 'Working Voltage'
X-Z From 'X ' To 'Zetta '
# From '°C ' To '°F '

Term of the day : 'CB Test Report'

Abbreviation of Certification Body's (or Bodies') Test Report. A test report issued by an Issuing and Recognizing NCB (National Certification Body).is a standardized report in a clause by clause checklist format referencing, the requirements of the relevant IEC Standard. The Test Report provides clear and unambiguous results of all the required tests, measurements, verifications, inspections and evaluations. It also contains photographs, electrical diagrams, artwork drawings as well as a description of the product. Under the rules of the CB Scheme, a CB Test Report is considered valid only if accompanied by its CB Test Certificate. See for more details.

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