CPC 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 (consisting of loose powdered or granular material H01C8/00; resistors having potential barriers, e.g. field-effect resistors, H10D1/40 - H10D1/43, H10K10/10; semiconductor devices sensitive to electromagnetic or corpuscular radiation, e.g. photoresistors, H10F30/00; magnetic field controlled resistors H10N50/10; bulk negative resistance effect devices H10N80/00)
12 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 7/10 voltage responsive, i.e. varistors
- H01C 7/13 current-responsive
- H01C 7/18 comprising a plurality of layers stacked between terminals
- H01C 7/20 the resistive layer or coating being tapered
- H01C 7/22 Elongated resistive element being bent or curved, e.g. sinusoidal, helical