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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
MF-ASML-X Surface mount, assembly, 0402 footprint size, low profile, ultra-low resistance
MF-D Custom designs to meet appropriate applications
MF-FSHT Low thermal derating factor, 0603 footprint size, Higher hold currents at elevated temperature
MF-FSMF Compact design, 0603 footprint size, fast time to react to fault events, low profile
MF-FSML-X Surface mount, assembly, 0603 footprint size, low profile, ultra-low resistance, Higher voltage withstand
MF-GSMF Surface Mount, 3425 footprint, High power ratings
MF-LR Axial leaded, low internal resistance, high hold current capability
MF-LS Axial leaded, low internal resistance, low trip temperature
MF-LSMF Surface Mount, 2920 footprint, High power ratings
MF-MSHT Low thermal derating factor, 1812 footprint size, Higher hold currents at elevated temperature
MF-MSMF Surface mount packaging for automated assembly, 1812 footprint
MF-NSHT Low thermal derating factor, 1206 footprint size, Higher hold currents at elevated temperature
MF-NSMF Surface mount, assembly, 1206 footprint size, Low profile
MF-NSML-X Surface mount, assembly, 1206 footprint size, low profile, ultra-low resistance, Higher voltage withstand
MF-PSHT Low thermal derating factor, 0805 footprint size, Higher hold currents at elevated temperature
MF-PSMF Surface mount, assembly, 0805 footprint size, low profile
MF-PSML-X Surface mount, assembly, 0805 footprint size, low profile, ultra-low resistance, Higher voltage withstand
MF-R Radial leaded devices
MF-RG Radial leaded devices, Smaller size for similar I-hold rating, Faster tripping
MF-RHS Low thermal derating factor, Higher hold currents at elevated temperature, compact size
MF-RHT Low thermal derating factor, Higher hold currents at elevated temperature
MF-RM Radial leaded devices, line protection, 265 VAC Interrupt voltage
MF-RX250 Radial leaded devices, fast tripping resettable PTCs, 250 VAC interrupt voltage
MF-RX72 72 V rated, radial leaded devices
MF-S Axial leaded, low internal resistance
MF-SD250 High voltage surge capabilities 250 VAC interrupt voltage
MF-SM Surface mount devices
MF-SM013250V Surface mount device, reduced footprint size, high voltage surge capabilities 250 VAC interrupt voltage
MF-SM250 Surface mount device, high voltage surge capabilities 250 VAC interrupt voltage
MF-SMDF Very low profile, 2018 footprint size, Very fast tripping time, High voltage
MF-SMHT Surface mount devices, Low thermal derating factor
MF-SVS Axial leaded, very low internal resistance, very low trip temperature
MF-USHT Low thermal derating factor, 1210 footprint size, Higher hold currents at elevated temperature
MF-USMF Surface mount, assembly, 1210 footprint size, low profile
MF-USML-X Surface mount, assembly, 1210 footprint size, low profile, ultra-low resistance, Higher voltage withstand
MF-VS Axial leaded, very low internal resistance, very low trip temperature
MF-VSN Axial leaded, very low internal resistance, very low trip temperature, narrow body size