| 1199881 | MPS6521 | SILICON TRANSISTORS | Micro Electronics |
| 1199882 | MPS6521 | NPN silicon low-frequency transistor, suited for low-noise applications | Motorola |
| 1199883 | MPS6521 | Amplifier Transistors | Motorola |
| 1199884 | MPS6521 | Trans GP BJT NPN 25V 0.1A 3-Pin TO-92 | New Jersey Semiconductor |
| 1199885 | MPS6521 | Amplifier Transistor NPN | ON Semiconductor |
| 1199886 | MPS6521 | 40 V, 100 mA, NPN epitaxial silicon transistor | Samsung Electronic |
| 1199887 | MPS6521-D | Amplifier Transistors | ON Semiconductor |
| 1199888 | MPS6521RLRA | Amplifier Transistor NPN | ON Semiconductor |
| 1199889 | MPS6521_D26Z | NPN Low Level Amplifier | Fairchild Semiconductor |
| 1199890 | MPS6522 | Leaded Small Signal Transistor General Purpose | Central Semiconductor |
| 1199891 | MPS6522 | SILICON TRANSISTORS | Micro Electronics |
| 1199892 | MPS6522 | PNP silicon low-frequency transistor, suited for low-noise applications | Motorola |
| 1199893 | MPS6522 | 25 V, 100 mA, PNP epitaxial silicon transistor | Samsung Electronic |
| 1199894 | MPS6523 | Leaded Small Signal Transistor General Purpose | Central Semiconductor |
| 1199895 | MPS6523 | PNP General Purpose Amplifier | Fairchild Semiconductor |
| 1199896 | MPS6523 | SILICON TRANSISTORS | Micro Electronics |
| 1199897 | MPS6523 | PNP silicon low-frequency transistor, suited for low-noise applications | Motorola |
| 1199898 | MPS6523 | Amplifier Transistors | Motorola |
| 1199899 | MPS6523 | Trans GP BJT PNP 25V 0.1A 3-Pin TO-92 Bulk | New Jersey Semiconductor |
|
| 1199900 | MPS6523 | Small Signal Amplifier PNP | ON Semiconductor |
| 1199901 | MPS6523 | 25 V, 100 mA, PNP epitaxial silicon transistor | Samsung Electronic |
| 1199902 | MPS6523RLRM | Amplifier Transistor NPN | ON Semiconductor |
| 1199903 | MPS6523_D26Z | PNP General Purpose Amplifier | Fairchild Semiconductor |
| 1199904 | MPS6530 | 0.625W General Purpose NPN Plastic Leaded Transistor. 40V Vceo, 0.800A Ic, 25 - hFE | Continental Device India Limited |
| 1199905 | MPS6530 | Medium power NPN transistor | FERRANTI |
| 1199906 | MPS6530 | NPN Silicon Amplifier Transistor | ITT Semiconductors |
| 1199907 | MPS6530 | SILICON GENERAL PURPOSE AMPLIFIERS AND SWITCHES | Micro Electronics |
| 1199908 | MPS6530 | NPN Silicon annular transistor designed for use in complementary amplifier circuits | Motorola |
| 1199909 | MPS6530 | Amplifier Transistor | Motorola |
| 1199910 | MPS6530 | Trans GP BJT NPN 40V 0.6A 3-Pin TO-92 | New Jersey Semiconductor |
| 1199911 | MPS6531 | Leaded Small Signal Transistor General Purpose | Central Semiconductor |
| 1199912 | MPS6531 | NPN General Purpose Amplifier | Fairchild Semiconductor |
| 1199913 | MPS6531 | Medium power NPN transistor | FERRANTI |
| 1199914 | MPS6531 | Planar passivated epitaxial NPN silicon transistor. 40V, 600mA. | General Electric Solid State |
| 1199915 | MPS6531 | NPN Silicon Amplifier Transistor | ITT Semiconductors |
| 1199916 | MPS6531 | SILICON GENERAL PURPOSE AMPLIFIERS AND SWITCHES | Micro Electronics |
| 1199917 | MPS6531 | NPN Silicon annular transistor designed for use in complementary amplifier circuits | Motorola |
| 1199918 | MPS6531_D26Z | NPN General Purpose Amplifier | Fairchild Semiconductor |
| 1199919 | MPS6531_D27Z | NPN General Purpose Amplifier | Fairchild Semiconductor |
| 1199920 | MPS6531_D75Z | NPN General Purpose Amplifier | Fairchild Semiconductor |
