Cheap And Discounts 50-10PCS/lot 2SK508-T1B printed word K53 K52 K51 2SK508 SMT high frequency transistor SOT-23 original spot Wholesale. Buy Directly From Merchant 2020111PY Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.