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Looking for spice models-2SC2911, 2SC2547E, 2SA1085E, 2SA1209

Does anyone have Spice models for the following BJTs.

Sanyo's 2SC2911, 2SC2547E (NPN) Hitachi's 2SA1085E, 2SA1209 (PNP)

If not, does anyone have notes on how to extract the needed parameters from the datasheets.

Many of the Gummel Poon parameters don't seem straightforward to extract for devices in general, seeing the amount of math involved, and a lack of information on how to use the formalaes, or find the values for the variables used in the formulaes.

Arete

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Arete
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Why not use devices for which you do have SPICE models, it would save a lot of time.

Leon

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Leon

You might try contacting Sanyo and Hitachi for the models. Sometimes they will provide data even though it's not on their web site.

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Mark
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qrk

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Arete

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