... Delay Time: 20 nsAbout UsShenzhen XieFengDa Electronics Co., Ltd was set up in 2007. It is previously known as XieFeng (H.K ... .) Electron Limited which was found in 2003. The company relies on Hong Kong, establishes in Shenzhen. We specialize in Electronic Components, IC, Capacitor ... as MAXIM, NSC, FREESCALE, ST, VISHAY, TOSHIBA, and ONSEMI etc. What deserve to be mentioned is that we have huge stocks ...