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BF970 is an PNP transistor for UHF band (fT=1000 MHz) from Vishay.

I visited Vishay site but there was no sign of BF970 (very old).

I hope its spice model exists somewhere or of equivalent UHF PNP transistor.

Thank you.

See

* BF970 PNP model
* created using Parts release 6.3a on 09/06/96 at 10:34
* Parts is a MicroSim product.
.MODEL BF970 PNP
+ IS=10.000E-15
+ BF=50
+ VAF=100
+ IKF=10.000E-3
+ VAR=100
+ IKR=10.000E-3
+ CJE=2.0000E-12
+ CJC=2.0000E-12
+ TF=134.28E-12
+ XTF=10
+ VTF=10
+ ITF=1
+ TR=10.000E-9

Thank you.

?

On Fri, Mar 28, 2025 at 09:05 AM, Александр Бордодынов wrote: