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 : 'Core Saturation'

The tendency of molecules in a core to orient in one direction due to excess magnetic flux densities. In most applications, core saturation is an undesirable effect which is avoided through good design: engineering the windings and core so that magnetic flux densities remain well below the saturation levels. Saturation has several causes: operating the core at a different/lower frequency, presence of DC current in the winding, overloading the winding with excess applied voltage.

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