DIFF Main Group
H01C 8/00 Non-adjustable resistors consisting of loose powdered or granular conducting, or powdered or granular semi-conducting material
Introduced: July 1974
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
IPC defines codes here since 1974.
Child Classifications
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- H01C 8/02 Coherers or like imperfect resistors for detecting electromagnetic waves since 1974 IPC+CPC Available in IPC and CPC