Cheap And Discounts 10PCS 27.120M 27.120MHZ 27.12MHz Quartz Crystal Resonator Passive Oscillator DIP-2 HC-49US 2Pin HC-49S 20PF ±20PPM Resonators Wholesale. Buy Directly From Merchant Electro Components Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.