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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 Scheme'

Abbreviation of Certification Bodies' Scheme. An international scheme to facilitate international trade in electrical equipment, primarily intended for use in homes, offices, workshops, healthcare facilities and similar locations, for benefit of consumers, industries, authorities etc., and to provide convenience for manufacturers and other users of the services provided by various National Certification Bodies (NCBs). It is operated by the IECEE. See for more details.

Download the glossary :

Feel free to download the latest version of our glossary as a PDF file.