This part is a kind of semiconductor called 2203.

Function of this product has T-1SubminiatureLamps.

Manufacturers : GilwayTechnicalLamp

Image and pinout :

Some of the text within the PDF file :

T-1¾ Wire Lead T-1¾ Miniature Flanged T-1¾ Miniature Grooved T-1¾ Midget Screw T-1¾ Bi-Pin T-1¾ Subminiature Lamps Line No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 Part No. Wire Lead 1728 1783 2169 8663 1738 2158 2156 2171 8805 2200 3151 2203 8784 1730 8664 1784 1784L 2180 1739 8350 2181 2112 1869 2107 8946 2174 2182 1705 2162 2102 8425 2185 2187 1764 1764LSV 8361 Part No. Miniature Flanged 331 368 268 343 338 375 7329 7331 7332 7333 3150 7335 7334 345 7336 328 7337 380 377 350 381 349 344 367 7338 394 382 330 8918 370 459 385 387 327 376 7341 7018 Part No. Miniature Grooved 698 8699 266 8703 8704 390 7343 7345 7346 7347 3152 7348 7350 8705 8706 337 337L 7351 8708 7352 379 398 709 397 7353 7354 386 336 393 346 [ ... ]

2203 PDF Datasheet Download