1. There are 17 kinds in total, each kind with 10PCS, illustrated as follows: SS9012, S9013, S9014, S9015, S9018, A1015, C1815, A42, A92, 2N5401, 2N5551, A733, C945, S8050, S8550, 2N3906, 2N3904.
2. Different kinds of transistors meet your various demands.
3. Great for Arduino test development and DIY project.
4. Suitable for DIY enthusiasts.