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Design Files

We offer SPICE, LTspice, S-parameter and 3D files on many of our parts. In addition, we offer Inductor Equivalent Circuits. Please select a product line for a list of Bourns® models that have design files available. If you do not see what you need, please contact a Bourns representative for more information. File types: SPICE/LTspice (DOC, TXT, LIB), 3D (IGS, STP), S-parameter (S2P), Inductor Equivalent Circuits (XLSX). Please note: 1) These files may not be directly compatible with all types of available simulation software and please verify all designs in circuit. 2) Specific information regarding the use of the model may be included within the file. 3) 3D files have been created using typical dimensions unless otherwise noted.

Note on Inductors: SPICE models (unless otherwise specified) are based only on steady-state low-signal AC measurements and analysis based on S-parameter (.s2p file) data collected for each device. Transient analyses or DC bias cannot be done using this data. Please also refer to Instruction for Using Bourns Library Data File on LTspice for general information and these instructions for GDT components.

Products
Model Description
PT231 ISDN S-Interface Isolation Transformers
PT233 ISDN S-Interface Isolation Transformers
PT234 ISDN S-Interface Isolation Transformers
PT66001_PT66012 ISDN S-Interface Isolation Transformers
PT66002 T1 Transformer
PT66003 T1/CEPT Transformer
PT66004 ISDN S-Interface Transformer
PT66005 ISDN S-Interface Transformer
PT66006 T1/CEPT/ISDN-PRI Transformer
PT66011 ISDN S-Interface Transformer Module
PT71949 ISDN S-Interface Transformer
PT731 - ISDN S Interface Isolation Transformer
PT74263N T1/CEPT/ISDN-PRI Transformer
PT74344 T1/CEPT/ISDN-PRI Transformer
PT75161 T1/E1 Transformer
PT75426 T3/DS3/E3/STS-1 Transformer
SM74139 T1/CEPT/ISDN-PRI Dual Transformer
SM74346 T1/CEPT/ISDN Transformer
SM75056 T1/E1 Transformer
SM75056PEL T1/E1 Transformer
SM75057 T1/E1 Transformer
SM75057PEL T1/E1 Transformer
SM75176 T1/CEPT/ISDN-PRI Transformer
SM75225 T1/CEPT/ISDN-PRI Dual Transformers
SM75719 T1/CEPT/ISDN-PRI Dual Transformers