What's the application. Logic, Power? What are your current and voltage requirements or application in general terms? Logic input requirements/interface requirements will determine whether pmos or nmos is preferred. Marc > -----Original Message----- > From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list- > bounce@xxxxxxxxxxxxx] On Behalf Of Jebasingh Arputham > Sent: Tuesday, June 30, 2009 12:09 AM > To: si-list@xxxxxxxxxxxxx > Cc: Srinivas G > Subject: [SI-LIST] MOSFET with highest switching speed > > Hi gurus, > Can any one please tell me what is the maximum switching frequency of > MOSFET(NOMS & PMOS) > and Transistors(NPN & PNP) in the market? > > Also what is the basic reason behind the switching frequencies of NMOS > are > very high compared to PMOS? > > Thanks > Jebasingh > > > > ------------------------------------------------------------------ > To unsubscribe from si-list: > si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field > > or to administer your membership from a web page, go to: > //www.freelists.org/webpage/si-list > > For help: > si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field > > > List technical documents are available at: > http://www.si-list.net > > List archives are viewable at: > //www.freelists.org/archives/si-list > or at our remote archives: > http://groups.yahoo.com/group/si-list/messages > Old (prior to June 6, 2001) list archives are viewable at: > http://www.qsl.net/wb6tpu > ------------------------------------------------------------------ To unsubscribe from si-list: si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field or to administer your membership from a web page, go to: //www.freelists.org/webpage/si-list For help: si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field List technical documents are available at: http://www.si-list.net List archives are viewable at: //www.freelists.org/archives/si-list or at our remote archives: http://groups.yahoo.com/group/si-list/messages Old (prior to June 6, 2001) list archives are viewable at: http://www.qsl.net/wb6tpu