Cheap And Discounts 100pcs MMBT3904 SMD Transistor MMBT3906 2N3904 2N3906 Printing 1AM/2A NPN SOT23 Wholesale. Buy Directly From Merchant xiazhi Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.