IPC Main Group
H01C 7/00 Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC ELEMENTS
- Subclass:
- RESISTORS
8 direct subcodes
Child Classifications
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- H01C 7/02 having positive temperature coefficient
- H01C 7/04 having negative temperature coefficient
- H01C 7/06 including means to minimise changes in resistance with changes in temperature
- H01C 7/1 voltage responsive, i.e. varistors
- H01C 7/13 current-responsive
- H01C 7/18 comprising a plurality of layers stacked between terminals
- H01C 7/2 the resistive layer or coating being tapered
- H01C 7/22 Elongated resistive element being bent or curved, e.g. sinusoidal, helical