| ••••••• | SEMICONDUCTOR TECHNOLOGY INC | Form-fit-function | Obsolete | |
| ••••••• | CENTRAL SEMICONDUCTOR CORP | Form-fit-function | Obsolete | |
| •••••• | CENTRAL SEMICONDUCTOR CORP | Form-fit-function | Obsolete | |
| •••••••••••• | TT ELECTRONICS PLC | Functional Equivalent | Obsolete | |
| ••••••••••• | CRIMSON SEMICONDUCTOR INC | Functional Equivalent | Obsolete | |
| ••••••••••• | FAIRCHILD SEMICONDUCTOR CORP | Functional Equivalent | Obsolete | |
| •••••••••••• | TT ELECTRONICS PLC | Functional Equivalent | Obsolete | |
| •••••••• | SEMITRONICS CORP | Functional Equivalent | Other | |
| ••••••••• | SEMITRONICS CORP | Functional Equivalent | Obsolete | |
| •••••••• | FAIRCHILD SEMICONDUCTOR CORP | Functional Equivalent | Obsolete | |
| •••••• | TT ELECTRONICS PLC | Functional Equivalent | Other | |
| •••••••••• | SWAMPSCOTT ELECTRONICS CO INC | Functional Equivalent | Other | |
| •••••••• | CENTRAL SEMICONDUCTOR CORP | Functional Equivalent | Obsolete | |
| •••••••••• | CENTRAL SEMICONDUCTOR CORP | Functional Equivalent | Obsolete | |
| •••••• | CENTRAL SEMICONDUCTOR CORP | Functional Equivalent | Obsolete | |
| •••••••• | CONTINENTAL DEVICE INDIA LTD | Functional Equivalent | Other | |
| ••••••••• | CENTRAL SEMICONDUCTOR CORP | Functional Equivalent | Obsolete | |
| •••••••• | GENERAL DIODE CORP | Functional Equivalent | Obsolete | |
| •••••• | SPACE POWER ELECTRONICS INC | Functional Equivalent | Obsolete | |
| •••••••• | CRYSTALONICS INC | Functional Equivalent | Obsolete | |
