Marking of electronic components, SMD Codes W, W**. TK11138S, STW38NB20, TK11139M, TK11139S, SMTPB240, ic marking code.
| PartNumber | Marking code | Manufacturer | Package |
|---|---|---|---|
| TK11138S | W38 | SOT23-5 | |
| STW38NB20 | W38NB20 | TO-247 | |
| TK11139M | W39 | SOT23L-6 | |
| TK11139S | W39 | SOT23-5 | |
| SMTPB240 | W39 | ST | DO-214AB |
| SDP530WAF | W3A | SOT-23F | |
| ADG3232BRJ | W3B | SOT-23-8 | |
| SDP530WKF | W3K | SOT-23F | |
| SDP530WMF | W3M | SOT-23F | |
| SDP530WMUF | W3M | SOT-323F | |
| BCR39PN | W3s | SOT363 | |
| R1210N331D | W3xx | SOT-23-5 | |
| APX823-40W5 | W3xxx | SOT25 | |
| BZT52B3V3-V | W4 | SOD-123 | |
| BZT52C3V3-V | W4 | SOD-123 | |
| BZT52C3V6S | W4 | SOD323 | |
| BZX384B3V3-V | W4 | SOD-323 | |
| BZX384C3V3-V | W4 | SOD-323 | |
| BZX84C2V7 | W4 | SOT-23 | |
| BZX84C2V7 | W4 | SOT-23 | |
| FMW4 | W4 | SMT5 | |
| R3111Q341C | W4 | SC-82AB | |
| RN4985FS | W4 | 2-1F1D | |
| TLVH431CPK | W4 | SOT-89 | |
| BZX84-C2V7 | W4 | SOT23 | |
| BZT52-C3V3 | W4 | VS | SOD-123 |
| BZT52-C3V3S | W4 | PANJIT | SOD-323 |
| BZT52C-3V3WT | W4 | TTR | SOD-523 |
| BZT52C-3V3WU | W4 | TTR | SOD-723 |
| BZT52-C3V6 | W4 | DIGIKEY | SOD-123 |
| BZT52-C3V6 | W4 | DIGIKEY | SOD-123 |
| BZT52-C3V6S | W4 | DIGIKEY | SOD-323 |
| BZT52-C3V6S | W4 | DIGIKEY | SOD-323 |
| BZT52-C3V6T | W4 | DIGIKEY | SOD-523 |
| BZX384-C3V3 | W4 | VS | SOD-323 |
| BZX784C3V3 | W4 | PANJIT | SOD-723 |
| CZRW55C3V6-G | W4 | COMCHIP | SOD-123 |
| FES3F | W4 | FAGOR | DO-214AB |
| MM3Z3V6 | W4 | SEC | SOD-323 |
| RT9198-26PBR | W4 | SOT-23-5 | |
| TK11140M | W40 | SOT23L-6 | |
| TK11140S | W40 | SOT23-5 | |
| TK11141M | W41 | SOT23L-6 | |
| TK11141S | W41 | SOT23-5 | |
| STw4102IQT | W4102I | QFN24 | |
| TK11142M | W42 | SOT23L-6 | |
| TK11142S | W42 | SOT23-5 | |
| BYW4200B | W4200 | DPAK | |
| TK11143M | W43 | SOT23L-6 | |
| TK11143S | W43 | SOT23-5 |