DIFF Main Group
H01G 4/00 Fixed capacitors; Processes of their manufacture (electrolytic capacitors H01G9/00)
Introduced: July 1974
Title
Titles differ between systems:
IPC: Fixed capacitors; Processes of their manufacture
CPC: Fixed capacitors; Processes of their manufacture (electrolytic capacitors H01G9/00)
Full Title
Full titles differ between systems:
IPC:
Fixed capacitors; Processes of their manufacture
CPC:
Fixed capacitors; Processes of their manufacture (electrolytic capacitors H01G9/00)
IPC and CPC are identically structured here. All 9 subcodes exist in both systems.
2 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 1974.
Child Classifications
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- H01G 4/30 Stacked capacitors (H01G4/33 takes precedence) since 1974 +4 CPC IPC+CPC Available in IPC and CPC
- H01G 4/35 Feed-through capacitors or anti-noise capacitors since 1995 IPC+CPC Available in IPC and CPC
- H01G 4/38 Multiple capacitors, i.e. structural combinations of fixed capacitors since 1974 +1 CPC IPC+CPC Available in IPC and CPC
- H01G 4/40 Structural combinations of fixed capacitors with other electric elements, the structure mainly consisting of a capacitor, e.g. RC combinations since 1974 IPC+CPC Available in IPC and CPC