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H01C 3/00

Non-adjustable metal resistors made of wire or ribbon, e.g. coiled, woven or formed as grids

Introduced: September 1968

Title

Titles differ between systems:

IPC: Non-adjustable metal resistors made of wire or ribbon, e.g. coiled, woven, or formed as grids

CPC: Non-adjustable metal resistors made of wire or ribbon, e.g. coiled, woven or formed as grids

Full Title

Full titles differ between systems:

IPC:

Non-adjustable metal resistors made of wire or ribbon, e.g. coiled, woven, or formed as grids

CPC:

Non-adjustable metal resistors made of wire or ribbon, e.g. coiled, woven or formed as grids

Of 7 combined children, 6 exist in both systems.

1 codes are CPC-only extensions.

2 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • H01C 3/005 CPC only CPC only
  • H01C 3/02 arranged or constructed for reducing self-induction, capacitance or variation with frequency IPC+CPC Available in IPC and CPC
  • H01C 3/04 Iron-filament ballast resistors; Other resistors having variable temperature coefficient IPC+CPC Available in IPC and CPC
  • H01C 3/06 Flexible or folding resistors, whereby such a resistor can be looped or collapsed upon itself since 1974 IPC+CPC Available in IPC and CPC
  • H01C 3/08 Dimension or characteristic of resistive element changing gradually or in discrete steps from one terminal to another since 1974 IPC+CPC Available in IPC and CPC