Class 257 ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES)
| Printable Version[PDF] See notes regarding proper use of US-to-IPC Concordances. | ||
| U.S. Subclass | IPC8 Subclass | IPC8 Group |
|---|---|---|
| 1 | H 01 L | 29 / 00 |
| 2 | H 01 L | 29 / 02 |
| 3 | H 01 L | 29 / 04 |
| 5 | H 01 L | 29 / 06 |
| 6 - 8 | H 01 L | 29 / 06 |
| 9 | H 01 L | 29 / 06 |
| 10 - 11 | H 01 L | 29 / 06 |
| 10 - 11 | H 01 L | 29 / 12 |
| 12 - 27 | H 01 L | 29 / 06 |
| 12 - 27 | H 01 L | 31 / 00 |
| 28 | H 01 L | 29 / 06 |
| 29 | H 01 L | 29 / 06 |
| 29 | H 01 L | 29 / 08 |
| 30 | H 01 L | 29 / 06 |
| 30 | H 01 L | 29 / 08 |
| 31 | H 01 L | 29 / 06 |
| 31 | H 01 L | 29 / 08 |
| 31 | H 01 L | 31 / 0256 |
| 32 - 39 | H 01 L | 29 / 06 |
| 32 - 39 | H 01 L | 29 / 08 |
| 40 | H 01 L | 29 / 08 |
| 41 | H 01 L | 29 / 06 |
| 41 | H 01 L | 29 / 08 |
| 41 | H 01 L | 31 / 0352 |
| 42 | H 01 L | 29 / 08 |
| 42 | H 01 L | 29 / 18 |
| 43 | H 01 L | 29 / 10 |
| 43 | H 01 L | 29 / 12 |
| 44 - 45 | H 01 L | 29 / 10 |
| 44 - 45 | H 01 L | 29 / 40 |
| 46 | H 01 L | 29 / 00 |
| 47 | H 01 L | 29 / 10 |
| 47 | H 01 L | 29 / 40 |
| 48 | H 01 L | 23 / 58 |
| 48 | H 01 L | 29 / 10 |
| 49 - 51 | H 01 L | 29 / 04 |
| 49 - 51 | H 01 L | 29 / 10 |
| 49 - 51 | H 01 L | 31 / 036 |
| 52 - 63 | H 01 L | 29 / 04 |
| 52 - 63 | H 01 L | 29 / 10 |
| 52 - 63 | H 01 L | 31 / 00 |
| 64 | H 01 L | 29 / 04 |
| 64 | H 01 L | 29 / 10 |
| 64 | H 01 L | 31 / 036 |
| 65 | H 01 L | 29 / 00 |
| 65 | H 01 L | 31 / 036 |
| 66 - 67 | H 01 L | 29 / 10 |
| 66 - 67 | H 01 L | 29 / 76 |
| 66 - 67 | H 01 L | 31 / 036 |
| 66 - 67 | H 01 L | 31 / 112 |
| 68 - 70 | H 01 L | 29 / 00 |
| 68 - 70 | H 01 L | 31 / 036 |
| 68 - 70 | H 01 L | 31 / 112 |
| 71 | H 01 L | 29 / 12 |
| 71 | H 01 L | 29 / 786 |
| 72 | H 01 L | 27 / 14 |
| 72 | H 01 L | 29 / 04 |
| 72 | H 01 L | 29 / 15 |
| 72 | H 01 L | 31 / 036 |
| 73 | H 01 L | 29 / 00 |
| 73 | H 01 L | 31 / 00 |
| 74 - 75 | H 01 L | 29 / 04 |
| 74 - 75 | H 01 L | 29 / 15 |
| 74 - 75 | H 01 L | 31 / 036 |
| 76 | H 01 L | 29 / 15 |
| 76 | H 01 L | 31 / 0256 |
| 77 | H 01 L | 29 / 15 |
| 77 | H 01 L | 31 / 0312 |
| 78 | H 01 L | 29 / 15 |
| 78 | H 01 L | 29 / 22 |
| 78 | H 01 L | 31 / 0256 |
| 78 | H 01 L | 31 / 0296 |
| 79 - 80 | H 01 L | 27 / 15 |
| 79 - 80 | H 01 L | 29 / 26 |
| 79 - 80 | H 01 L | 31 / 12 |
| 79 - 80 | H 01 L | 33 / 00 |
| 81 | H 01 L | 27 / 15 |
| 81 | H 01 L | 29 / 267 |
| 81 | H 01 L | 31 / 12 |
| 81 | H 01 L | 33 / 00 |
| 82 - 83 | H 01 L | 27 / 15 |
| 82 - 83 | H 01 L | 29 / 16 |
| 82 - 83 | H 01 L | 31 / 12 |
| 82 - 83 | H 01 L | 33 / 00 |
| 84 | H 01 L | 27 / 15 |
| 84 | H 01 L | 29 / 161 |
| 84 | H 01 L | 31 / 12 |
| 84 | H 01 L | 31 / 153 |
| 84 | H 01 L | 33 / 00 |
| 85 | H 01 L | 27 / 15 |
| 85 | H 01 L | 29 / 165 |
| 85 | H 01 L | 31 / 12 |
| 85 | H 01 L | 31 / 153 |
| 85 | H 01 L | 33 / 00 |
| 86 | H 01 L | 27 / 15 |
| 86 | H 01 L | 29 / 167 |
| 86 | H 01 L | 31 / 12 |
| 86 | H 01 L | 33 / 00 |
| 87 | H 01 L | 27 / 15 |
| 87 | H 01 L | 29 / 18 |
| 87 | H 01 L | 31 / 12 |
| 87 | H 01 L | 33 / 00 |
| 88 | H 01 L | 29 / 18 |
| 88 | H 01 L | 33 / 00 |
| 89 | H 01 L | 29 / 20 |
| 89 | H 01 L | 33 / 00 |
| 90 | H 01 L | 29 / 201 |
| 90 | H 01 L | 33 / 00 |
| 91 | H 01 L | 29 / 205 |
| 91 | H 01 L | 33 / 00 |
| 92 | H 01 L | 29 / 20 |
| 92 | H 01 L | 33 / 00 |
| 93 | H 01 L | 29 / 207 |
| 93 | H 01 L | 33 / 00 |
| 94 - 103 | H 01 L | 33 / 00 |
| 104 - 106 | H 01 L | 29 / 66 |
| 107 | H 01 L | 29 / 74 |
| 108 - 110 | H 01 L | 29 / 66 |
| 111 | H 01 L | 27 / 02 |
| 112 | H 01 L | 29 / 66 |
| 113 - 115 | H 01 L | 31 / 101 |
| 116 | H 01 L | 31 / 111 |
| 117 | H 01 L | 31 / 101 |
| 118 | H 01 L | 31 / 111 |
| 119 - 126 | H 01 L | 29 / 66 |
| 127 | H 01 L | 29 / 74 |
| 128 | H 01 L | 29 / 66 |
| 129 | H 01 L | 29 / 02 |
| 130 | H 01 L | 29 / 66 |
| 131 | H 01 L | 29 / 74 |
| 132 - 142 | H 01 L | 29 / 66 |
| 143 | H 01 L | 29 / 02 |
| 144 - 147 | H 01 L | 29 / 66 |
| 148 | H 01 L | 29 / 02 |
| 149 | H 01 L | 29 / 66 |
| 150 | H 01 L | 23 / 48 |
| 151 | H 01 L | 21 / 02 |
| 152 - 162 | H 01 L | 29 / 66 |
| 163 | H 01 L | 29 / 00 |
| 164 - 166 | H 01 L | 29 / 02 |
| 167 | H 01 L | 29 / 00 |
| 168 - 172 | H 01 L | 29 / 02 |
| 173 - 175 | H 01 L | 29 / 66 |
| 176 | H 01 L | 29 / 02 |
| 177 - 178 | H 01 L | 23 / 48 |
| 179 | H 01 L | 23 / 02 |
| 180 | H 01 L | 21 / 02 |
| 181 - 182 | H 01 L | 23 / 02 |
| 183 - 183.1 | H 01 L | 29 / 66 |
| 184 - 185 | H 01 L | 31 / 102 |
| 186 | H 01 L | 31 / 107 |
| 187 | H 01 L | 31 / 101 |
| 188 - 189 | H 01 L | 31 / 102 |
| 190 | H 01 L | 21 / 02 |
| 191 - 195 | H 01 L | 29 / 66 |
| 196 | H 01 L | 21 / 02 |
| 197 | H 01 L | 29 / 66 |
| 198 | H 01 L | 29 / 737 |
| 199 | H 01 L | 29 / 66 |
| 200 | H 01 L | 21 / 02 |
| 201 | H 01 L | 31 / 06 |
| 202 - 206 | H 01 L | 27 / 118 |
| 207 - 209 | H 01 L | 23 / 52 |
| 210 | H 01 L | 27 / 118 |
| 211 | H 01 L | 23 / 52 |
| 212 | H 01 L | 29 / 66 |
| 213 | H 01 L | 29 / 76 |
| 214 - 215 | H 01 L | 27 / 148 |
| 216 - 217 | H 01 L | 29 / 66 |
| 218 - 219 | H 01 L | 27 / 148 |
| 220 | H 01 L | 29 / 66 |
| 221 | H 01 L | 29 / 768 |
| 222 - 223 | H 01 L | 27 / 148 |
| 224 | H 01 L | 29 / 02 |
| 225 - 234 | H 01 L | 27 / 148 |
| 235 | H 01 L | 29 / 66 |
| 236 | H 01 L | 27 / 148 |
| 237 | H 01 L | 29 / 66 |
| 238 | G 11 C | 19 / 00 |
| 239 | H 01 L | 29 / 66 |
| 240 - 241 | H 01 L | 27 / 148 |
| 242 | H 01 L | 21 / 02 |
| 243 | H 01 L | 27 / 148 |
| 244 | H 01 L | 21 / 70 |
| 245 | H 01 L | 29 / 40 |
| 246 | H 01 L | 29 / 768 |
| 247 | H 01 L | 27 / 148 |
| 248 | H 01 L | 29 / 02 |
| 249 - 250 | H 01 L | 27 / 148 |
| 251 | H 01 L | 27 / 105 |
| 252 | H 01 L | 29 / 66 |
| 253 | G 01 N | 27 / 403 |
| 254 | H 01 L | 29 / 84 |
| 255 | H 01 L | 27 / 085 |
| 256 | H 01 L | 29 / 80 |
| 257 | H 01 L | 29 / 80 |
| 257 | H 01 L | 31 / 112 |
| 258 | H 01 L | 27 / 146 |
| 259 - 264 | H 01 L | 29 / 66 |
| 265 | H 01 L | 27 / 085 |
| 266 - 272 | H 01 L | 29 / 66 |
| 273 | H 01 L | 21 / 70 |
| 274 | H 01 L | 29 / 80 |
| 275 | H 01 L | 29 / 66 |
| 276 | H 01 L | 23 / 48 |
| 277 | H 01 L | 29 / 66 |
| 278 | H 01 L | 29 / 80 |
| 279 | H 01 L | 29 / 02 |
| 280 - 281 | H 01 L | 29 / 66 |
| 282 - 284 | H 01 L | 21 / 02 |
| 285 | H 01 L | 29 / 66 |
| 286 | H 01 L | 29 / 00 |
| 287 | H 01 L | 29 / 66 |
| 288 | H 01 L | 29 / 76 |
| 289 | H 01 L | 21 / 02 |
| 290 - 294 | H 01 L | 31 / 062 |
| 290 - 294 | H 01 L | 31 / 113 |
| 295 | H 01 L | 21 / 02 |
| 296 - 313 | H 01 L | 29 / 94 |
| 314 | H 01 L | 29 / 76 |
| 315 - 318 | H 01 L | 29 / 788 |
| 319 | H 01 L | 29 / 66 |
| 320 - 323 | H 01 L | 29 / 788 |
| 324 | H 01 L | 29 / 792 |
| 325 | H 01 L | 29 / 66 |
| 326 | H 01 L | 29 / 792 |
| 327 - 332 | H 01 L | 29 / 66 |
| 333 | H 01 L | 29 / 78 |
| 334 - 337 | H 01 L | 29 / 66 |
| 338 | H 01 L | 21 / 70 |
| 339 - 343 | H 01 L | 29 / 66 |
| 344 | H 01 L | 21 / 02 |
| 345 | H 01 L | 29 / 02 |
| 346 | H 01 L | 21 / 02 |
| 347 - 348 | H 01 L | 27 / 12 |
| 349 | H 01 L | 29 / 786 |
| 350 - 351 | H 01 L | 27 / 12 |
| 352 | H 01 L | 21 / 02 |
| 353 | H 01 L | 29 / 66 |
| 354 | H 01 L | 29 / 786 |
| 355 - 363 | H 01 L | 23 / 62 |
| 364 | H 01 L | 29 / 40 |
| 365 | H 01 L | 29 / 66 |
| 366 | H 01 L | 29 / 78 |
| 367 | H 01 L | 29 / 66 |
| 368 - 369 | H 01 L | 21 / 70 |
| 370 | H 01 L | 27 / 06 |
| 371 | H 01 L | 27 / 092 |
| 372 - 373 | H 01 L | 27 / 085 |
| 374 - 377 | H 01 L | 21 / 70 |
| 378 | H 01 L | 29 / 66 |
| 380 - 381 | H 01 L | 21 / 70 |
| 382 | H 01 L | 21 / 02 |
| 383 | H 01 L | 21 / 70 |
| 384 - 385 | H 01 L | 21 / 02 |
| 386 | H 01 L | 29 / 66 |
| 387 - 389 | H 01 L | 21 / 02 |
| 390 - 391 | H 01 L | 21 / 70 |
| 392 - 401 | H 01 L | 27 / 088 |
| 402 | H 01 L | 29 / 02 |
| 403 | H 01 L | 29 / 66 |
| 404 | H 01 L | 29 / 02 |
| 405 - 406 | H 01 L | 21 / 02 |
| 407 | H 01 L | 21 / 70 |
| 408 | H 01 L | 21 / 02 |
| 409 | H 01 L | 29 / 66 |
| 410 - 411 | H 01 L | 21 / 02 |
| 412 - 413 | H 01 L | 29 / 78 |
| 414 | H 01 L | 27 / 14 |
| 415 - 416 | H 01 L | 29 / 84 |
| 417 | G 01 P | 15 / 08 |
| 418 | H 04 R | 23 / 00 |
| 419 | G 01 L | 9 / 00 |
| 420 | B 81 B | 3 / 00 |
| 421 - 422 | H 01 L | 29 / 82 |
| 423 | H 01 L | 29 / 66 |
| 424 - 425 | H 01 L | 29 / 82 |
| 428 | H 01 L | 27 / 14 |
| 429 - 430 | H 01 L | 31 / 115 |
| 431 | H 01 L | 27 / 14 |
| 432 | H 01 L | 31 / 0232 |
| 433 - 434 | H 01 L | 31 / 0203 |
| 435 | H 01 L | 27 / 146 |
| 436 | H 01 L | 31 / 0232 |
| 437 | H 01 L | 21 / 02 |
| 438 | H 01 L | 31 / 107 |
| 439 | H 01 L | 31 / 08 |
| 440 | H 01 L | 31 / 00 |
| 441 | H 01 L | 21 / 02 |
| 442 | H 01 L | 31 / 102 |
| 443 - 446 | H 01 L | 27 / 146 |
| 447 | H 01 L | 21 / 00 |
| 448 | H 01 L | 27 / 146 |
| 449 | H 01 L | 31 / 00 |
| 450 - 455 | H 01 L | 31 / 102 |
| 456 | H 01 L | 27 / 144 |
| 457 | H 01 L | 31 / 02 |
| 458 | H 01 L | 31 / 102 |
| 459 - 460 | H 01 L | 31 / 00 |
| 461 | H 01 L | 31 / 06 |
| 462 | H 01 L | 31 / 101 |
| 463 | H 01 L | 31 / 102 |
| 464 | H 01 L | 31 / 00 |
| 465 | H 01 L | 31 / 06 |
| 466 | H 01 L | 31 / 00 |
| 467 - 470 | H 01 L | 31 / 0525 |
| 467 - 470 | H 02 S | 40 / 44 |
| 471 - 475 | H 01 L | 29 / 47 |
| 476 | H 01 L | 29 / 66 |
| 477 | H 01 L | 27 / 07 |
| 478 | H 01 L | 21 / 02 |
| 479 | H 01 L | 27 / 07 |
| 480 | H 01 L | 29 / 93 |
| 481 - 484 | H 01 L | 29 / 66 |
| 485 | H 01 L | 29 / 40 |
| 486 | H 01 L | 21 / 02 |
| 487 - 489 | H 01 L | 29 / 02 |
| 490 | H 01 L | 29 / 06 |
| 491 | H 01 L | 23 / 58 |
| 492 - 493 | H 01 L | 29 / 66 |
| 494 | H 01 L | 29 / 06 |
| 495 - 496 | H 01 L | 29 / 02 |
| 497 - 498 | H 01 L | 29 / 66 |
| 499 - 502 | H 01 L | 21 / 70 |
| 503 | H 01 L | 23 / 52 |
| 504 - 515 | H 01 L | 21 / 70 |
| 516 | H 01 L | 29 / 00 |
| 517 | H 01 L | 29 / 02 |
| 518 | H 01 L | 21 / 02 |
| 519 - 527 | H 01 L | 21 / 70 |
| 528 | H 01 L | 29 / 00 |
| 529 - 530 | H 01 L | 23 / 52 |
| 531 | H 01 L | 27 / 08 |
| 532 | H 01 L | 21 / 02 |
| 533 | H 01 L | 27 / 06 |
| 534 - 535 | H 01 L | 21 / 02 |
| 536 - 537 | H 01 L | 29 / 00 |
| 538 | H 01 L | 21 / 02 |
| 539 | H 01 L | 27 / 06 |
| 540 | H 01 L | 29 / 66 |
| 541 - 542 | H 01 L | 27 / 07 |
| 543 | H 01 L | 29 / 66 |
| 544 - 545 | H 01 L | 21 / 70 |
| 546 | H 01 L | 27 / 02 |
| 547 | H 01 L | 21 / 70 |
| 548 | H 01 L | 21 / 02 |
| 549 | H 01 L | 29 / 02 |
| 550 | H 01 L | 21 / 70 |
| 551 | H 01 L | 29 / 66 |
| 552 | H 01 L | 21 / 70 |
| 553 | H 01 L | 27 / 082 |
| 554 | H 01 L | 21 / 02 |
| 555 - 556 | H 01 L | 27 / 082 |
| 557 - 562 | H 01 L | 29 / 66 |
| 563 | H 01 L | 29 / 02 |
| 564 | H 01 L | 29 / 00 |
| 565 | H 01 L | 29 / 66 |
| 566 - 573 | H 01 L | 27 / 082 |
| 574 - 575 | H 01 L | 27 / 02 |
| 576 | H 01 L | 21 / 02 |
| 577 - 578 | H 01 L | 29 / 66 |
| 579 | H 01 L | 29 / 00 |
| 580 | H 01 L | 29 / 66 |
| 581 | H 01 L | 29 / 00 |
| 582 | H 01 L | 29 / 66 |
| 583 | H 01 L | 29 / 02 |
| 584 | H 01 L | 23 / 48 |
| 585 | H 01 L | 29 / 66 |
| 586 - 588 | H 01 L | 21 / 02 |
| 589 | H 01 L | 29 / 66 |
| 590 | H 01 L | 21 / 02 |
| 591 - 592 | H 01 L | 29 / 66 |
| 593 | H 01 L | 29 / 02 |
| 594 | H 01 L | 23 / 58 |
| 595 - 602 | H 01 L | 29 / 93 |
| 603 | H 01 L | 29 / 861 |
| 604 | H 01 L | 29 / 864 |
| 605 - 606 | H 01 L | 29 / 861 |
| 607 | H 01 L | 21 / 02 |
| 608 | H 01 L | 21 / 00 |
| 609 | H 01 L | 29 / 207 |
| 610 | H 01 L | 29 / 02 |
| 611 | H 01 L | 21 / 02 |
| 612 | H 01 L | 21 / 00 |
| 613 | H 01 L | 29 / 12 |
| 614 | H 01 L | 29 / 22 |
| 615 | H 01 L | 29 / 20 |
| 616 | H 01 L | 21 / 02 |
| 617 | H 01 L | 29 / 30 |
| 618 - 619 | H 01 L | 29 / 06 |
| 620 | H 01 L | 23 / 544 |
| 621 | H 01 L | 29 / 40 |
| 622 - 626 | H 01 L | 29 / 06 |
| 627 - 628 | H 01 L | 29 / 04 |
| 629 - 652 | H 01 L | 23 / 58 |
| 653 - 654 | H 01 L | 29 / 06 |
| 655 | H 01 L | 21 / 02 |
| 656 - 657 | H 01 L | 29 / 66 |
| 658 | H 01 L | 29 / 861 |
| 659 - 660 | H 01 L | 23 / 552 |
| 664 | H 01 L | 23 / 58 |
| 665 | H 01 L | 23 / 58 |
| 665 | H 01 L | 23 / 62 |
| 666 - 677 | H 01 L | 23 / 495 |
| 678 - 681 | H 01 L | 23 / 02 |
| 682 | H 01 L | 23 / 20 |
| 683 | H 01 L | 23 / 16 |
| 683 | H 01 L | 23 / 58 |
| 684 | H 01 L | 23 / 06 |
| 685 - 686 | H 01 L | 23 / 02 |
| 687 | H 01 L | 23 / 22 |
| 687 | H 01 L | 23 / 24 |
| 688 - 689 | H 01 L | 23 / 48 |
| 690 | H 01 L | 23 / 48 |
| 690 | H 01 L | 23 / 52 |
| 691 | H 01 L | 23 / 52 |
| 692 | H 01 L | 23 / 48 |
| 692 | H 01 L | 23 / 52 |
| 693 - 697 | H 01 L | 23 / 48 |
| 698 - 699 | H 01 L | 23 / 04 |
| 700 - 701 | H 01 L | 23 / 12 |
| 700 - 701 | H 01 L | 23 / 053 |
| 702 | H 01 L | 23 / 14 |
| 703 | H 01 L | 23 / 00 |
| 704 | H 01 L | 23 / 12 |
| 705 | H 01 L | 23 / 06 |
| 705 | H 01 L | 23 / 15 |
| 706 - 707 | H 01 L | 23 / 10 |
| 706 - 707 | H 01 L | 23 / 34 |
| 708 | H 01 L | 23 / 043 |
| 709 | H 01 L | 23 / 10 |
| 709 | H 01 L | 23 / 043 |
| 710 | H 01 L | 23 / 10 |
| 711 | H 01 L | 23 / 12 |
| 712 - 728 | H 01 L | 23 / 34 |
| 729 | H 01 L | 23 / 06 |
| 730 | H 01 L | 23 / 04 |
| 731 - 733 | H 01 L | 23 / 12 |
| 734 - 786 | H 01 L | 23 / 48 |
| 734 - 786 | H 01 L | 23 / 52 |
| 734 - 786 | H 01 L | 29 / 40 |
| 787 | H 01 L | 23 / 28 |
| 788 - 795 | H 01 L | 23 / 29 |
| 796 | H 01 L | 23 / 28 |
| 797 | H 01 L | 23 / 544 |
| 798 | H 01 L | 23 / 58 |