| 78161 | 2N1634 | Germanium PNP Transistor | Motorola |
| 78162 | 2N1635 | Germanium PNP Transistor | Motorola |
| 78163 | 2N1636 | Germanium PNP Transistor | Motorola |
| 78164 | 2N1637 | Germanium PNP Transistor | Motorola |
| 78165 | 2N1638 | Germanium PNP Transistor | Motorola |
| 78166 | 2N1639 | Germanium PNP Transistor | Motorola |
| 78167 | 2N163A | Silicon NPN Transistor | Motorola |
| 78168 | 2N1640 | Silicon PNP Transistor | Motorola |
| 78169 | 2N1641 | Silicon PNP Transistor | Motorola |
| 78170 | 2N1642 | Silicon PNP Transistor | Motorola |
| 78171 | 2N1643 | Silicon PNP Transistor | Motorola |
| 78172 | 2N1644 | Silicon NPN Transistor | Motorola |
| 78173 | 2N1645 | Germanium PNP Transistor | Motorola |
| 78174 | 2N1646 | Germanium NPN Transistor | Motorola |
| 78175 | 2N1647 | Silicon NPN Transistor | Motorola |
| 78176 | 2N1647 | Trans GP BJT NPN 50V 0.5A 3-Pin TO-39 Box | New Jersey Semiconductor |
| 78177 | 2N1648 | Silicon NPN Transistor | Motorola |
| 78178 | 2N1648 | Trans GP BJT NPN 50V 0.5A 3-Pin TO-39 Box | New Jersey Semiconductor |
| 78179 | 2N1649 | Silicon NPN Transistor | Motorola |
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| 78180 | 2N1649 | Trans GP BJT NPN 50V 0.5A 3-Pin TO-39 Box | New Jersey Semiconductor |
| 78181 | 2N1650 | Silicon NPN Transistor | Motorola |
| 78182 | 2N1650 | Trans GP BJT NPN 50V 0.5A 3-Pin TO-39 Box | New Jersey Semiconductor |
| 78183 | 2N1651 | PNP Germanium power transistor low satturation voltage, fast switching times | Motorola |
| 78184 | 2N1651 | Germanium PNP Transistor | Motorola |
| 78185 | 2N1651 | Trans GP BJT NPN 50V 0.5A 3-Pin TO-39 Box | New Jersey Semiconductor |
| 78186 | 2N1652 | PNP Germanium power transistor low satturation voltage, fast switching times | Motorola |
| 78187 | 2N1652 | Germanium PNP Transistor | Motorola |
| 78188 | 2N1652 | Trans GP BJT NPN 50V 0.5A 3-Pin TO-39 Box | New Jersey Semiconductor |
| 78189 | 2N1653 | PNP Germanium power transistor low satturation voltage, fast switching times | Motorola |
| 78190 | 2N1653 | Germanium PNP Transistor | Motorola |
| 78191 | 2N1653 | Trans GP BJT NPN 50V 0.5A 3-Pin TO-39 Box | New Jersey Semiconductor |
| 78192 | 2N1654 | Silicon NPN Transistor | Motorola |
| 78193 | 2N1654 | PNP planar for alloy transistor replacements - silicon | Sprague |
| 78194 | 2N1655 | Silicon NPN Transistor | Motorola |
| 78195 | 2N1655 | PNP planar for alloy transistor replacements - silicon | Sprague |
| 78196 | 2N1656 | Silicon NPN Transistor | Motorola |
| 78197 | 2N1656 | PNP planar for alloy transistor replacements - silicon | Sprague |
| 78198 | 2N1657 | Silicon NPN Transistor | Motorola |
| 78199 | 2N166 | Germanium NPN Transistor | Motorola |
| 78200 | 2N1660 | Silicon NPN Transistor | Motorola |
