Cheap And Discounts 100PCS BC546B BC547B BC548B BC549B BC556B BC557B BC558B BC559B BC550B BC560B Transistor TO-92 Wholesale. Buy Directly From Merchant XEHUL Electronics Co Ltd Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.