Cheap And Discounts 50Pcs SMD NPN Power Transistor Triode SOT-23 400V MMBTA44 3D MMBTA94 4D MMBTA42 1D MMBTA92 2D MMBD4148CC D5 MMBT5551 G1 IC Wholesale. Buy Directly From Merchant WPK Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.