The pcb overlay symbol looks like this: Like 2 diodes connected cathode to cathode.
See bitmap attachment: "If server would allow:" --- Fred Townsend wrote:> Rhonn your attachment was stopped by the server. > You didn't mention if the> unknown device has any resistance. Since a> capacitor wouldn't function with a> diode in series by elimination your unknown is> either a current limiting> resistor or perhaps a zener in some sort of clipper> or snubber network. Your> 1N4148 is rated at 1A@ 200PIV.> > Fred Townsend> > rhonn tabanao wrote:> > > Help identify parts.> > Looks like a crystal diode (1N4148) but with no> > identifiable markings, no color bands etc but has> this> > PCB overlay marking:> >> > See attach file> >> > It is connected in series with 1N4148 signal diode> > with the cathode of 1N4148 to circuit ground and> the> > other end of this part to some 1watt resistors.> The> > 1N4148 diode is OK but this stuff is shorted.> >> > Any help will be appreciated. Thank you> >> > =====> > Ronnie B. Tabanao> > Everything Electronics Services> > #06 Juan Luna St.,La Castellana,Negros Occidental> > 6131 Philippines> >> > __________________________________________________> > Do you Yahoo!?> > Yahoo! Mail Plus - Powerful. Affordable. Sign up> now.> > http://mailplus.yahoo.com> >> > > ------------------------------------------------------------------------> > Name: Help identify> parts.doc> > Help identify parts.doc Type: WINWORD File> (application/msword)> > Encoding: 7bit> > > -- > Author: Fred Townsend> INET: [EMAIL PROTECTED]> > Fat City Network Services -- 858-538-5051> http://www.fatcity.com> San Diego, California -- Mailing list and web> hosting services> ---------------------------------------------------------------------> To REMOVE yourself from this mailing list, send an> E-Mail message> to: [EMAIL PROTECTED] (note EXACT spelling of> 'ListGuru') and in> the message BODY, include a line containing: UNSUB> CHIPDIR-L> (or the name of mailing list you want to be removed> from). You may> also send the HELP command for other information> (like subscribing).> ===== Ronnie B. Tabanao Everything Electronics Services #06 Juan Luna St.,La Castellana,Negros Occidental 6131 Philippines __________________________________________________ Do you Yahoo!? Yahoo! Mail Plus - Powerful. Affordable. Sign up now. http://mailplus.yahoo.com
<<parts.bmp>>
