338 / | HD | ELECTRICAL RESISTORS |
226 | DF | INCASED, EMBEDDED, OR HOUSED {22} |
262 | DF | .~ Casing or housing formed as a coating {1} |
263 | DF | .~.~ Helical or wound element {1} |
264 | DF | .~.~.~ Element coiled on a core {2} |
266 | .~.~.~.~ Terminal surrounds element and/or core |