| 121441 | 4N48 | JAN, JANTX, JANTXV, SINGLE CHANNEL OPTOCOUPLERS | Micropac Industries |
| 121442 | 4N48 | Photo-Transistor Hermetic Optocouplers | Skyworks Solutions |
| 121443 | 4N48A | JAN, JANTX, JANTXV, SINGLE CHANNEL OPTOCOUPLERS | Micropac Industries |
| 121444 | 4N49 | JAN, JANTX, JANTXV, SINGLE CHANNEL OPTOCOUPLERS | Micropac Industries |
| 121445 | 4N49 | Photo-Transistor Hermetic Optocouplers | Skyworks Solutions |
| 121446 | 4N49A | JAN, JANTX, JANTXV, SINGLE CHANNEL OPTOCOUPLERS | Micropac Industries |
| 121447 | 4N55 | Hermetically Sealed, Transistor Output Optocouplers for Analog and Digital Applications | Agilent (Hewlett-Packard) |
| 121448 | 4N55-100 | Hermetically sealed, transistor output optocoupler for analog and digital applications | Agilent (Hewlett-Packard) |
| 121449 | 4N55-200 | Hermetically sealed, transistor output optocoupler for analog and digital applications | Agilent (Hewlett-Packard) |
| 121450 | 4N55-300 | Hermetically sealed, transistor output optocoupler for analog and digital applications | Agilent (Hewlett-Packard) |
| 121451 | 4N55/883B | 4N55/883B · Hermetically Sealed, Transistor Output Optocouplers for Analog and Digital Applications | Agilent (Hewlett-Packard) |
| 121452 | 4N55883B | Hermetically Sealed, Transistor Output Optocouplers for Analog and Digital Applications | Agilent (Hewlett-Packard) |
| 121453 | 4N55_883B-100 | Hermetically sealed, transistor output optocoupler for analog and digital applications | Agilent (Hewlett-Packard) |
| 121454 | 4N55_883B-200 | Hermetically sealed, transistor output optocoupler for analog and digital applications | Agilent (Hewlett-Packard) |
| 121455 | 4N55_883B-300 | Hermetically sealed, transistor output optocoupler for analog and digital applications | Agilent (Hewlett-Packard) |
| 121456 | 4N56 | HEXADECIMAL DISPLAY WITH LOGIC | etc |
| 121457 | 4N57 | HERMETICALLY SEALED SOLID-STATE SEVEN-SEGMENT DISPLAY WITH TTL DECODER/DRIVER | etc |
| 121458 | 4N58 | 5 x 7 Alphanumeric Display With Logic | etc |
| 121459 | 4N600 | N-Channel Field Effect Transistor | BayLinear |
|
| 121460 | 4N600(3600) | N-Channel Field Effect Transistor | BayLinear |
| 121461 | 4N600S | N-Channel Field Effect Transistor | BayLinear |
| 121462 | 4N600T | N-Channel Field Effect Transistor | BayLinear |
| 121463 | 4NZ70 | Zener diode for stabilisation | Tesla Elektronicke |
| 121464 | 4PT2 | 4A 200V Field Diodes Assembly | IPRS Baneasa |
| 121465 | 4PT2 CASE | CASE SHAPE AND DIMENSIONS | IPRS Baneasa |
| 121466 | 4R3TI20Y-080 | Diode and tyristor module | COLLMER SEMICONDUCTOR INC |
| 121467 | 4R3TI20Y-080 | DIODE and TYRISTOR MODULE | Fuji Electric |
| 121468 | 4R3TI30Y-080 | Diode and tyristor module | COLLMER SEMICONDUCTOR INC |
| 121469 | 4R3TI30Y-080 | DIODE and TYRISTOR MODULE | Fuji Electric |
| 121470 | 4R3TI60Y-080 | Diode and tyristor module | COLLMER SEMICONDUCTOR INC |
| 121471 | 4R3TI60Y-080 | DIODE and TYRISTOR MODULE | Fuji Electric |
| 121472 | 4SEP100M | Conductive Polymer Aluminum Solid Capacitors (OS-CON) SEP | Panasonic |
| 121473 | 4SEP1200M | Conductive Polymer Aluminum Solid Capacitors (OS-CON) SEP | Panasonic |
| 121474 | 4SEP150M | Conductive Polymer Aluminum Solid Capacitors (OS-CON) SEP | Panasonic |
| 121475 | 4SEP220M | Conductive Polymer Aluminum Solid Capacitors (OS-CON) SEP | Panasonic |
| 121476 | 4SEP330M | Conductive Polymer Aluminum Solid Capacitors (OS-CON) SEP | Panasonic |
| 121477 | 4SEP470M | Conductive Polymer Aluminum Solid Capacitors (OS-CON) SEP | Panasonic |
| 121478 | 4SEP560M | Conductive Polymer Aluminum Solid Capacitors (OS-CON) SEP | Panasonic |
| 121479 | 4SEP680M | Conductive Polymer Aluminum Solid Capacitors (OS-CON) SEP | Panasonic |
| 121480 | 4SEPC560M | Conductive Polymer Aluminum Solid Capacitors (OS-CON) SEPC | Panasonic |
