# Cinch Connectivity Solutions > Cinch Connectivity Solutions is a leading provider of high-quality interconnect products and custom solutions engineered to meet the demands of harsh and mission-critical environments. Cinch serves markets including Aerospace, Defense, 5G/IoT, Space, Test & Measurement, and Industrial. Cinch is a subsidiary of Bel Fuse Inc. and operates multiple specialist brands including Johnson, Trompeter, Stewart Connector, Fibreco, and others. ## Products - [Circular](https://www.cinch.com/products/circular): Connectors, FQIS cable assemblies, accessories. - [D-Shape](https://www.cinch.com/products/d-shape): Connectors, cable assemblies, adapters, accessories. - [Enclosures](https://www.cinch.com/products/enclosures): Enclosures, connectors, headers, accessories. - [Ethernet & USB](https://www.cinch.com/products/ethernet-usb): Connectors, cable assemblies, plugs, tooling & accessories. - [Optical Technology](https://www.cinch.com/products/optical-technology): Connectors, flex circuits, media converters, transceivers, tools. - [Rectangular](https://www.cinch.com/products/rectangular): Edge connectors, terminal blocks, assembly kits, inserts, shells, contacts, accessories. - [RF & Microwave](https://www.cinch.com/products/rf-microwave): Connectors, cable assemblies, attenuators, couplers, adapters, terminations, power dividers, DC blocks, patch panels, accessories. - [Stacking & Compression](https://www.cinch.com/products/stacking-compression): Stacking connectors, jumpers and assemblies, hardware. ## Industries - [Commercial Aerospace](https://www.cinch.com/industry/commercial-aerospace) - [Defense](https://www.cinch.com/industry/defense) - [5G and IoT](https://www.cinch.com/industry/5g-and-iot) - [Space](https://www.cinch.com/industry/space) - [Test & Measurement](https://www.cinch.com/industry/test-and-measurement) - [Harsh Environment](https://www.cinch.com/industry/harsh-environment) ## Brands - [C-ENX™](https://www.cinch.com/company/brands/cenx) - [CIN::APSE®](https://www.cinch.com/company/brands/cinapse) - [Dura-Con™](https://www.cinch.com/company/brands/dura-con) - [Fibreco®](https://www.cinch.com/company/brands/fibreco) - [Johnson™](https://www.cinch.com/company/brands/johnson) - [Midwest Microwave™](https://www.cinch.com/company/brands/midwest-microwave) - [ModICE™](https://www.cinch.com/company/brands/modice) - [Omega](https://www.cinch.com/company/brands/omega) - [Semflex Microwave Solutions™](https://www.cinch.com/company/brands/semflex) - [Stewart Connector](https://www.cinch.com/company/brands/stewart-connector) - [Stratos™](https://www.cinch.com/company/brands/stratos) - [Trompeter RF Connectivity™](https://www.cinch.com/company/brands/trompeter) ## Resources & Tools - [Blog](https://www.cinch.com/resources/blog) - [Technical Papers](https://www.cinch.com/resources/tech-papers) - [Video Library](https://www.cinch.com/resources/videos) - [Product FAQs](https://www.cinch.com/resources/faqs) - [Datasheet Library](https://www.cinch.com/document-search/datasheet-library) - [Drawing Library](https://www.cinch.com/document-search/drawing-library) - [Brochures & Catalogs](https://www.cinch.com/document-search/brochures-and-catalogs) - [Quality Documents](https://www.cinch.com/document-search/quality-documents) - [EOL Notices](https://www.cinch.com/document-search/eol-notifications) - [CAD Model Library](https://www.cinch.com/design-tools/cad-model-library) - [Competitor Cross Reference](https://www.cinch.com/design-tools/competitor-xref) - [Assembly Instructions](https://www.cinch.com/design-tools/assembly-instructions) - [Attenuation Calculator](https://www.cinch.com/design-tools/interactive-attenuation-calculator) - [Distributor Stock Check](https://www.cinch.com/design-tools/stock-check) ## AI & Machine-Readable Access - [MCP Server](https://mcp.cinch.com/mcp): Live connector & cable-assembly catalog for AI agents — part lookup, parametric search, competitor cross-reference, stock, and data export (Model Context Protocol over HTTP). - [MCP Manifest](https://mcp.cinch.com/.well-known/mcp.json): Machine-readable server descriptor (tools, endpoint, protocol). - [MCP Usage Guide](https://mcp.cinch.com/llms.txt): How to call the MCP server (transport, headers, examples). ## Full Content - [llms-full.txt](https://www.cinch.com/llms-full.txt): Page-by-page index (URL + title + meta description) of all indexable pages; product pages are sampled — full catalog via the MCP server above. ## Company - [About Cinch](https://www.cinch.com/company/about-us) - [Newsroom](https://www.cinch.com/company/news) - [Careers](https://www.belfuse.com/company/careers) - [Investor Relations](https://ir.belfuse.com/) - [Contact Us](https://www.cinch.com/company/contact-us) - [Request for Quote (RFQ)](https://www.cinch.com/cart/submit/quote) - [Parent Company – Bel Fuse Inc.](https://www.belfuse.com/)