Cheap And Discounts 20PCS 100% New original 31DQ10 Schottky diode 3A 100V 3.3A Japan imported inverter welding machine original replacement MBR3100 Wholesale. Buy Directly From Merchant Shop5782197 Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.