TB2105C-1 TB2105F-1 TB4002 TB170220 TB9970 TB1796K TB1373B

420ML优势供应ThreeBond日本三键瞬間接着剤促進剤TB1796K

K1796 TO-3P Field Effect Tube 10A900V 2SK1796 Triode

2SK1271 k1171 2SK1317 K1796 K1170 原字拆机件MOS场效应管 测好