C1   C2   C3   C4   C5   C6   C7   C8  COM
 __|____|____|____|____|____|____|____|____|__
|                                             |
|                                             |
|\                                            |
|/                                            |
|                                             |
|__ ____ ____ ____ ____ ____ ____ ____ ____ __|
   |    |    |    |    |    |    |    |    |
   B1   B2   B3   B4   B5   B6   B7   Q8  GND


Pin   Assignment

1     B1  Base 1
2     B2  Base 2
3     B3  Base 3
4     B4  Base 4
5     B5  Base 5
6     B6  Base 6
7     B7  Base 7
8     B8  Base 8
9     GND Ground
10    COM Common cathode (for flyback diodes)
11    C8  Collector 8
12    C7  Collector 7
13    C6  Collector 6
14    C5  Collector 5
15    C4  Collector 4
16    C3  Collector 3
17    C2  Collector 2
18    C1  Collector 1