Cheap And Discounts 10PCS/Lot MC14538BDR2G Marking 14538BG Series 3 to 18 Vdc SMT Dual Precision Monostable - SOIC-16 Wholesale. Buy Directly From Merchant Shop1100062020 Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.