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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 : 'Open-Frame Construction'

A construction technique where the power supply (PSU) is not provided with an enclosure. Particular care needs to be exercised when installing an open frame power supply to ensure that adequate spacings and shock protection is maintained. Additional care needs to be taken to ensure that the unit is installed to meet the EMC standards and thermal performance.

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