Diode identification

A

Apple_Tester

Guest
Hi!
Servicing a SGI Fuel CPU, I found a short circuited diode.
The only marking is S4 15.
The companion diode, working, has 0.2V of forward voltage, so it could
be a fast recovery Schottky switching diode.
Could you help with the marking?

Thanks!
 
On 15.04.14 16:20, Apple_Tester wrote:
Hi!
Servicing a SGI Fuel CPU, I found a short circuited diode.
The only marking is S4 15.
The companion diode, working, has 0.2V of forward voltage, so it could
be a fast recovery Schottky switching diode.
Could you help with the marking?

Thanks!
Click to expand...
Maybe it is a protection zener of 15 volts?
(which blew while protecting?)
 
On 15/04/2014 15:20, Apple_Tester wrote:
Hi!
Servicing a SGI Fuel CPU, I found a short circuited diode.
The only marking is S4 15.
The companion diode, working, has 0.2V of forward voltage, so it could
be a fast recovery Schottky switching diode.
Could you help with the marking?

Thanks!
Click to expand...

1S415 ?
 
On 15/04/2014 15:20, Apple_Tester wrote:
Hi!
Servicing a SGI Fuel CPU, I found a short circuited diode.
The only marking is S4 15.
The companion diode, working, has 0.2V of forward voltage, so it could
be a fast recovery Schottky switching diode.
Could you help with the marking?

Thanks!
Click to expand...

Sure its S and not 5 ?
"included within" on
http://www.alldatasheet.com/view.jsp?Searchword=s415
shows a lot of possibles
 
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