Cheap And Discounts 10PCS/20PCS/50PCS/100PCS/1000PCS New original DSS5540X-13 DSS5540X ZPS54 SOT89 PNP/40V4A Wholesale. Buy Directly From Merchant HuiSheng WeiYe Electronics Technology Co Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.