2N1991 | Bipolar PNP Device in a Hermetically sealed TO39 Metal Package | SEME-LAB[Seme LAB] | ![SEME-LAB[Seme LAB]的LOGO](/PdfSupLogo/136SEME-LAB.GIF) | 11.12 Kbytes | 共1页 |  | 2N5781,SF_BUY92,BFW44,SF_2N4931,SF_CV9507,SF_BFX87,SF_2N5675,BUY91,SF_MM5005,SF_2N3202 |
2N1991 | Small Signal Transistors | CENTRAL[Central Semiconductor Corp] | ![CENTRAL[Central Semiconductor Corp]的LOGO](/PdfSupLogo/31CENTRAL.GIF) | 33.79 Kbytes | 共1页 |  | BCW30,CMKT2222A,MPSA06,2N5086,2N2961,BCW66,2N3904,BC327,MPSA42,2N5209 |