Cheap And Discounts 1N5338B 1N5338 5W 5.1V ZENER DIODE ORIGINAL ROHS 50PCS Free Shipping transistor diode module RELAY Wholesale. Buy Directly From Merchant XINA(HK) ELECTRONICS TRADING LIMITED. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.