Our selection of Free to Use Tools for Electronics Engineers:

DesignSpark Mechanical Software

Design and make things in 3D like never before. DesignSpark Mechanical is a free mechanical CAD software, which enables users to rapidly prototype or reverse engineer any physical object.
• Access a huge library of 3D models
• Generate Bill-of-Materials and get instant online quotes
• Import & Export industry standard file formats (including STL, SKP, OBJ, AutoCAD DXF, etc.)
• Design without time or file size limitations

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DesignSpark Electrical Software

DesignSpark Electrical is our free electrical CAD software. This is a bespoke electrical CAD solution for engineering professionals looking to save time and create error-free designs.
• Comprehensive parts library
• Save time with automated reports and process including wire and component numbering
• Live parts price and availability along with simple Bill of Materials (BoM) generation
• Unlimited number of projects, symbols and connections

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DesignSpark PCB Software

DesignSpark PCB is the world’s most accessible, free electronics design software, turning your circuit ideas into testable boards, faster.
• No limitation on your schematic size so you should have no limitation on creating your PCB design
• Create your own libraries or use our extensive library
• Import and Output files in the format you need
• Create BOMs in a format you require

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DesignSpark Obsolescence Manage

A free engineering resource specifically built to proactively manage component obsolescence risk across the RS range, providing alternative solutions to problem components.
• Build your parts list
• Manage your lifecycle risk
• Select your alternatives

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Texas Instruments Webench® Designer

TI WEBENCH® Design Environments are unique and powerful software tools that deliver customized power, lighting, filtering, clocking and sensing designs in seconds. These easy-to-use tools help you generate, optimize and simulate designs that conform to your unique specifications. They allow you to make value-based tradeoffs at a design, system and supply chain level before your design is committed to production.

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Ohm's Law Calculator

See how the equation form of Ohm's law relates to a simple circuit. Adjust the voltage and resistance, and see the current change according to Ohm's law.

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Vicor Powerbench

The Vicor PowerBench is a workspace of tools and references allowing engineers to select, architect and implement power systems using Vicor’s products.

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Scientific Calculator

Online Scientific Notation Calculator. Solve advanced problems in Physics, Mathematics and Engineering. Math Expression Renderer, Plots, Unit Converter, Equation Solver, Complex Numbers, Calculation History.

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Littelfuse Fuse Selection Tool

Choose the optimal electronic board-mounted fuse for a variety of applications. System-level, power, and automotive-style fuses not included.

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Littelfuse ESD Selection Tool

Identify the most appropriate TVS Diode Arrays (SPA® silicon protection arrays) for protection from ESD and lightning-induced surges.

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