257 / | HD | ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) |
678 | DF | HOUSING OR PACKAGE {18} |
712 | DF | .~ With provision for cooling the housing or its contents {6} |
717 | .~.~ Isolation of cooling means (e.g., heat sink) by an electrically insulating element (e.g., spacer) |