BC549C Spice Model
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Posted by Michael on June 30, 2006, 9:01 am
Please log in for more thread options Hello! Just a quick question - does anyone out there know where I might get hold of a spice model for the BC549C ? I've searched around on the internet, but so far I havn't managed to find anything. Philips Semiconductor seem to have spice models for every transistor under the sun, except this one! Thanks! | |||||||||||||||||||
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Posted by Winfield Hill on June 30, 2006, 9:34 am
Please log in for more thread options Michael wrote... Did you look for models of BC546 through BC549? For example, my spice library only has six of the 10 possibilities in the series. Also, a raft of other manufacturers make these parts. -- Thanks, - Win | |||||||||||||||||||
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Posted by Leon on June 30, 2006, 9:54 am
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Michael wrote: > Hello!
> > Just a quick question - does anyone out there know where I might get > hold of a spice model for the BC549C ? I've searched around on the > internet, but so far I havn't managed to find anything. Philips > Semiconductor seem to have spice models for every transistor under the > sun, except this one! > > Thanks! The SPICE I use has the BC546B as an alias for the BC549, here is the model: *From Philips SC04 "Small signal transistors 1991" * Base spreading parameters (RB,IRB,RBM) estimated. TR derived using BCY58 data .model BC546B npn ( IS=7.59E-15 VAF=73.4 BF=480 IKF=0.0962 NE=1.2665 + ISE=3.278E-15 IKR=0.03 ISC=2.00E-13 NC=1.2 NR=1 BR=5 RC=0.25 CJC=6.33E-12 + FC=0.5 MJC=0.33 VJC=0.65 CJE=1.25E-11 MJE=0.55 VJE=0.65 TF=4.26E-10 + ITF=0.6 VTF=3 XTF=20 RB=100 IRB=0.0001 RBM=10 RE=0.5 TR=1.50E-07) Leon | |||||||||||||||||||
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Posted by Phil Allison on June 30, 2006, 10:40 am
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** Groper alert !! >
> Just a quick question - does anyone out there know where I might get > hold of a spice model for the BC549C ? ** The BC549C differs from other BC549s only in that particular devices have been selected so the Hfe is within the range of 420 to 800. ( source, Philips Data book 1978 ) ...... Phil | |||||||||||||||||||
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> Just a quick question - does anyone out there know where I might get
> hold of a spice model for the BC549C ? I've searched around on the
> internet, but so far I havn't managed to find anything. Philips
> Semiconductor seem to have spice models for every transistor under
> the sun, except this one!