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Old 25th July 2002, 01:54 AM   #1
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Default SPICE models for MJ15003/4, MJE15030/31

Does someone have spice models for these transistors? CircuitMaker doesn't.

Thanks.
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Old 25th July 2002, 06:58 PM   #2
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Default Spice models

Hi

On www.onsemi.com you can finde models of many semiconductors. I know they have mje15030/31 (i use them mje15032/33 or for drivers)

Good luck

\Jens
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Old 25th July 2002, 07:00 PM   #3
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Hi
If I recall correctly, I think Harry posted the MJ15003 here before, try the search. That's how I got mine into the sim model files.
Chris
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Old 25th July 2002, 07:17 PM   #4
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Default spice models

Motorola Spice models
*SRC=MJ15003;MJ15003;BJTs NPN;Power;140V 20A
*SYM=POWBJTP
.SUBCKT MJ15003 1 2 3
* TERMINALS: C B E
* Motorola 140 Volt 20 Amp SiNPN Power Transistor 08-02-1993
Q1 1 2 3 QPWR .67
Q2 1 4 3 QPWR .33
RBS 2 4 13.3
.MODEL QPWR NPN (IS=21.5P NF=1 BF=130 VAF=213 IKF=4.5 ISE=3.11N NE=2
+ BR=4 NR=1 VAR=20 IKR=6.75 RE=32.1M RB=.128 RC=12.8M XTB=1.5
+ CJE=1.2N VJE=.6 MJE=.3 CJC=659P VJC=.22 MJC=.2 TF=46.7N TR=1.8U)
.ENDS
*********
*SRC=MJ15004;MJ15004;BJTs PNP;Power;140V 20A
*SYM=POWBJTP
.SUBCKT MJ15004 1 2 3
* TERMINALS: C B E
* Motorola 140 Volt 20 Amp SiPNP Power Transistor 08-02-1993
Q1 1 2 3 QPWR .67
Q2 1 4 3 QPWR .33
RBS 2 4 13.3
.MODEL QPWR PNP (IS=21.5P NF=1 BF=130 VAF=213 IKF=3 ISE=2.54N NE=2
+ BR=4 NR=1 VAR=20 IKR=4.5 RE=32.1M RB=.128 RC=12.8M XTB=1.5
+ CJE=1.47N VJE=.6 MJE=.3 CJC=659P VJC=.22 MJC=.2 TF=19.8N TR=765N)
.ENDS
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Old 25th July 2002, 08:44 PM   #5
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Thank you.
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Old 25th July 2002, 10:04 PM   #6
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Default Groman's SPICE model for MJE15030/31

Quote:
Originally posted by Kilowatt
Does someone have spice models for these transistors? CircuitMaker doesn't.
Thanks.
My "model" is in my head
Is THAT enough
MODEL is a Brain Combination of
the data-SPECIFICATION of this excellent
MOTOROLA semiconductor

I have to LAUGH at "your" models
but as a good laugh
is said to make one's life longer

gromanswe

fotenote:
-----------------------
http://www.diyaudio.com/forums/showt...4861#post44861

Other models I like to spend time with
Has to be for REAL and be able to LAUGH a lot
Cheers
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Old 25th July 2002, 11:50 PM   #7
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Well don't worry, the parts that are on their way UPS from Allied are very real, and so are the PCB's. The amp, when completed, will be too, and they should sound very nice (improved ESP p3a, Tangband 4" midwoofers).
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Old 26th July 2002, 07:15 AM   #8
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Default KILOWATT

Quote:
Originally posted by Kilowatt
Well don't worry, the parts that are on their way UPS from Allied are very real, and so are the PCB's. The amp, when completed, will be too, and they should sound very nice (improved ESP p3a, Tangband 4" midwoofers).
How many of those,
do you use?

My designs are for REAL like yours are.
Glad to HEAR what you say!
Did you HEAR ME



the VIKING with the BLONDES of his country

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Old 26th July 2002, 07:36 AM   #9
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Two Leach amps (120W each) each driving 2 x Sony Xplod 12" subs (but I'm going to get better subs); two improved p3a based amps (70W each, or as needed), each driving 2 x Tangband 4" W4-656S midwooders; four 20W DoZ amps each driving an Audax TM025F1 1" tweeter in dipole arrangement, or two beefed up DoZ amps each driving 1 or 2 tweeters, I haven't decided for sure yet.

Xovers at 250Hz and 6.2kHz (and yes, those Tangbands can go that high, very nicely).
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Old 26th July 2002, 08:19 AM   #10
mirlo is offline mirlo  United States
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Default Toshiba JFET models ?

Are there any spice models circulating for the popular Toshiba JFETs (2sk170, 2sk389, 2sj74, etc) ?

Or their BJTs for that matter?

Don't underestimate the power of SPICE models -- properly done they can capture subtlties that you can't begin to imagine from a data sheet.

For example, look at the MJ15003 model above. Although it is itslef somewhat crude it tells you something that the data sheet can't -- that the distributed base resistance is significant enough to make it worth modeling the device as a composite of two idealized BJTs, with internal base resistance dividing them. The base spreading resistance isn't even mentioned in the data sheet, and even if it were, it would be very difficult to estimate how it interacts with the various capacitances.

In fact, the silly data sheet
http://www.onsemi.com/pub/Collateral/MJ15003-D.PDF
doesn't even mention Ft or any junction capacitances. So you'd be pretty lost trying to design anything that needed speed, without most likely overdoing it.
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