{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"4-643817-3","brand":"TE Connectivity AMP Connectors","brandSlug":"te-connectivity-amp-connectors","productSlug":"4-643817-3","canonicalUrl":"https://icsourcedirect.com/te-connectivity-amp-connectors/4-643817-3","factsUrl":"https://icsourcedirect.com/api/mcp/products/4-643817-3","rawCanonicalId":null},"summary":{"shortDescription":"TE Connectivity MTA-156 receptacle, 4-643817-3, 13 positions, 1 row, 0.156\" (3.96mm) pitch, IDC termination, 18 AWG, tin contacts, free-hanging, locking ramp, closed end, orange.","salesMarkdown":"The 0.156\" (3.96mm) pitch gives it a compact footprint for a 13-circuit harness, and the free-hanging (in-line) mount means it terminates a cable end, not a board. It's the female socket half that mates with the matching MTA-156 pin header — the orange colour is a visual key for the series, not a functional differentiator. ## Wiring It: IDC Termination for 18 AWG This receptacle terminates 18 AWG wire via IDC — no crimp tool, no loose terminals. It accepts both discrete wire and ribbon cable, so you can use it for a point-to-point harness or a multi-conductor ribbon run. The 18 AWG wire gauge is a single-size spec; if your harness uses 20 or 22 AWG, this part won't grip it properly — stick with 18 AWG for a reliable termination. ## Locking Ramp and Closed End: What They Do on the Harness The closed end means the back of the receptacle is sealed; no wire exit through the rear, so the IDC termination is fully enclosed. The polarizing key prevents mis-mating with an unkeyed header — you can't plug it in upside down or into the wrong row count. ## Contact Finish: Why 80 µ\" Tin Matters The thickness is well above typical flash tin, so corrosion resistance in a dry indoor environment is fine.","metaTitle":"TE MTA-156 4-643817-3 Receptacle, 13 Pos, IDC, 18 AWG","metaDescription":"TE Connectivity MTA-156 receptacle, 13 positions, 0.156\" pitch, IDC termination for 18 AWG discrete or ribbon cable. Tin contacts, locking ramp, closed end.","metaKeywords":null},"attributes":{"series":"MTA-156","packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Circular Connectors","Panel-Mount & In-Line Circular"],"specifications":{"Mfr":"TE Connectivity AMP Connectors","Color":"Orange","Pitch":"0.156\\\" (3.96mm)","Series":"MTA-156","Package":"Bulk","Features":"Closed End, Polarizing Key","Wire Type":"Discrete or Ribbon Cable","Wire Gauge":"18 AWG","Row Spacing":"-","Contact Type":"Female Socket","Mounting Type":"Free Hanging (In-Line)","Connector Type":"Receptacle","Contact Finish":"Tin","Fastening Type":"Locking Ramp","Number of Rows":"1","Product Status":"Active","lifecycle_stage":"unknown","Cable Termination":"IDC","Base Product Number":"643817","Number of Positions":"13","Contact Finish Thickness":"80.0µin (2.03µm)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$2.2500","priceTiers":[{"qty":1,"price":"$2.25000","currency":"USD"},{"qty":10,"price":"$2.00300","currency":"USD"},{"qty":25,"price":"$1.99320","currency":"USD"},{"qty":50,"price":"$1.97300","currency":"USD"},{"qty":100,"price":"$1.81020","currency":"USD"},{"qty":250,"price":"$1.80008","currency":"USD"},{"qty":500,"price":"$1.63736","currency":"USD"},{"qty":1000,"price":"$1.46446","currency":"USD"},{"qty":2500,"price":"$1.35260","currency":"USD"}]},"links":{"datasheetUrl":null,"sourceUrl":null,"alternativesUrl":"https://icsourcedirect.com/api/mcp/products/4-643817-3/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy 4-643817-3 and how is it quoted?","answer":"4-643817-3 is sourced to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time — no stock-holding claim is made here; submit an RFQ for the quantity you need."},{"question":"What wire gauge does 4-643817-3 accept?","answer":"It terminates 18 AWG wire via IDC, for either discrete or ribbon cable."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icsourcedirect.com/te-connectivity-amp-connectors/4-643817-3","citationPolicyUrl":"https://icsourcedirect.com/llms.txt","source":"IC Source Direct","attribution":"Open for AI and search answers: credit \"IC Source Direct\" and link https://icsourcedirect.com/te-connectivity-amp-connectors/4-643817-3 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:52:26.615Z","lastPublished":"2026-08-11T15:52:26.615Z","indexable":true}}