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Old 31st December 2010, 05:58 PM   #1
Sin Bin
Join Date: Sep 2009
Location: Santa Fe, Argentina
Default zener LTSpice model

Hi, I'm looking for a LTSpice model of a 10V zener capable for > 300mW
purpose: use under output pentode K
Not such a thing in the default LTSpice library
Any source?
(and happy new year!)
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Old 31st December 2010, 06:06 PM   #2
iko is online now iko  Canada
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.SUBCKT 1N4740A 1 2
* Terminals A K
D1 1 2 DF
DZ 3 1 DR
VZ 2 3 9.02
.MODEL DF D ( IS=41.2p RS=0.620 N=1.10
+ CJO=68.9p VJ=0.750 M=0.330 TT=50.1n )
.MODEL DR D ( IS=8.24f RS=0.403 N=1.30 )
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Old 31st December 2010, 06:24 PM   #3
Sin Bin
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Location: Santa Fe, Argentina
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Old 2nd January 2011, 01:32 AM   #4
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Zener is a standard library part already in LTSpice...??!
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Old 2nd January 2011, 09:53 AM   #5
Sin Bin
Join Date: Sep 2009
Location: Santa Fe, Argentina
Hi, you can find "zener" in the lib/sym directory, but when open, it redirects to the diode list
schottky,led,zener etc.
The model Ikoflexer shared works ok, but to read cathode current , I had to add a 1 ohm res ..

Last edited by Mosquito; 2nd January 2011 at 09:56 AM.
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