| 263 | 2N918 | High frequency transistor |
| 264 | 2N929 | Low frequency transistor |
| 265 | 2N929 | Low frequency transistor |
| 266 | 2N930 | Low frequency transistor |
| 267 | 2N930 | Low frequency transistor |
| 268 | 3-BB106 | Variable capacitance diode |
| 269 | 4-BB106 | Variable capacitance diode |
| 270 | 61SV | Infrared detector |
| 271 | AA119 | Germanium small signal diode (point contact) |
| 272 | AAY21 | Germanium small signal diode (point contact) |
| 273 | AAY30 | Germanium small signal diode (gold bonded) |
| 274 | AAY32 | Germanium small signal diode (gold bonded) |
| 275 | AAY39 | Mixer diode |
| 276 | AAY39A | Mixer diode |
| 277 | AAY51 | Mixer diode |
| 278 | AAY51R | Mixer diode |
| 279 | AAY52 | Mixer diode |
| 280 | AAY52R | Mixer diode |
| 281 | AAY59 | Mixer diode |
| 282 | AAZ13 | Germanium small signal diode (gold bonded) |
| 283 | AAZ15 | Germanium small signal diode (gold bonded) |
| 284 | AAZ17 | Germanium small signal diode (gold bonded) |
| 285 | AAZ18 | Germanium small signal diode (gold bonded) |
| 286 | AC125 | Low frequency transistor |
| 287 | AC125 | Low frequency transistor |
| 288 | AC126 | Low frequency transistor |
| 289 | AC126 | Low frequency transistor |
| 290 | AC127 | Low frequency transistor |
| 291 | AC127 | Low frequency transistor |
| 292 | AC127 | Low frequency transistor |
| 293 | AC127/01 | Low frequency transistor |
| 294 | AC127/01 | Low frequency transistor |
| 295 | AC127/01 | Low frequency transistor |
| 296 | AC128 | Low frequency transistor |
| 297 | AC128 | Low frequency transistor |
| 298 | AC128 | Low frequency transistor |
| 299 | AC128/01 | Low frequency transistor |
| 300 | AC128/01 | Low frequency transistor |
| | |
