IPC Main Group
H01F 27/00 Details of transformers or inductances, in general
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC ELEMENTS
- Subclass:
- MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
10 direct subcodes
Child Classifications
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- H01F 27/02 Casings
- H01F 27/06 Mounting, supporting, or suspending transformers, reactors, or choke coils
- H01F 27/08 Cooling; Ventilating
- H01F 27/23 Corrosion protection
- H01F 27/24 Magnetic cores
- H01F 27/28 Coils; Windings; Conductive connections
- H01F 27/33 Arrangements for noise damping
- H01F 27/34 Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
- H01F 27/4 Structural association with built-in electric component, e.g. fuse
- H01F 27/42 Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors or choke coils