| 77201 | 2N1221 | PNP planar for alloy transistor replacements - silicon | Sprague |
| 77202 | 2N1222 | Silicon PNP Transistor | Motorola |
| 77203 | 2N1222 | PNP planar for alloy transistor replacements - silicon | Sprague |
| 77204 | 2N1223 | Silicon PNP Transistor | Motorola |
| 77205 | 2N1223 | PNP planar for alloy transistor replacements - silicon | Sprague |
| 77206 | 2N1224 | Germanium PNP Transistor | Motorola |
| 77207 | 2N1225 | Germanium High Frequency Transistor | COSEM |
| 77208 | 2N1225 | Germanium PNP Transistor | Motorola |
| 77209 | 2N1226 | Germanium PNP Transistor | Motorola |
| 77210 | 2N1227 | Germanium PNP Transistor | Motorola |
| 77211 | 2N1228 | Silicon PNP Transistor | Motorola |
| 77212 | 2N1229 | Silicon PNP Transistor | Motorola |
| 77213 | 2N123 | Germanium PNP Transistor | Motorola |
| 77214 | 2N1230 | Silicon PNP Transistor | Motorola |
| 77215 | 2N1231 | Silicon PNP Transistor | Motorola |
| 77216 | 2N1232 | Silicon PNP Transistor | Motorola |
| 77217 | 2N1233 | Silicon PNP Transistor | Motorola |
| 77218 | 2N1234 | Silicon PNP Transistor | Motorola |
| 77219 | 2N1235 | Silicon NPN Transistor | Motorola |
|
| 77220 | 2N1238 | Silicon PNP Transistor | Motorola |
| 77221 | 2N1239 | Silicon PNP Transistor | Motorola |
| 77222 | 2N124 | Germanium NPN Transistor | Motorola |
| 77223 | 2N1240 | Silicon PNP Transistor | Motorola |
| 77224 | 2N1241 | Silicon PNP Transistor | Motorola |
| 77225 | 2N1242 | Silicon PNP Transistor | Motorola |
| 77226 | 2N1243 | Silicon PNP Transistor | Motorola |
| 77227 | 2N1244 | Silicon PNP Transistor | Motorola |
| 77228 | 2N1245 | Germanium PNP Transistor | Motorola |
| 77229 | 2N1246 | Germanium PNP Transistor | Motorola |
| 77230 | 2N1247 | Silicon NPN Transistor | Motorola |
| 77231 | 2N1248 | Silicon NPN Transistor | Motorola |
| 77232 | 2N1249 | Silicon NPN Transistor | Motorola |
| 77233 | 2N125 | Germanium NPN Transistor | Motorola |
| 77234 | 2N1250 | Silicon NPN Transistor | Motorola |
| 77235 | 2N1250 | Trans GP BJT NPN 45V 5A 3-Pin TO-61 | New Jersey Semiconductor |
| 77236 | 2N1251 | Germanium NPN Transistor | Motorola |
| 77237 | 2N1252 | Silicon NPN Transistor | Motorola |
| 77238 | 2N1252 | Trans GP BJT NPN 45V 5A 3-Pin TO-61 | New Jersey Semiconductor |
| 77239 | 2N1252A | Silicon NPN Transistor | Motorola |
| 77240 | 2N1253 | Silicon NPN Transistor | Motorola |
