{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3-640426-2","brand":"TE Connectivity AMP Connectors","brandSlug":"te-connectivity-amp-connectors","productSlug":"3-640426-2","canonicalUrl":"https://icsourcedirect.com/te-connectivity-amp-connectors/3-640426-2","factsUrl":"https://icsourcedirect.com/api/mcp/products/3-640426-2","rawCanonicalId":null},"summary":{"shortDescription":"TE Connectivity MTA-156 receptacle, 3-640426-2, 2 positions, 1 row, 0.156\" (3.96mm) pitch, IDC termination, 18 AWG discrete wire, tin contacts, locking ramp, free hanging.","salesMarkdown":"## Two-Position IDC Receptacle for Power-Duty Wire Harnesses The 0.156\" (3.96mm) pitch is wider than the 0.100\" signal standard — this spacing is sized for the insulation and conductor mass of 18 AWG power wiring, not for high-density signal routing. The closed-end housing prevents the wire from being pushed past the IDC slot during assembly — a practical safeguard against intermittent opens that can occur when an assembler over-inserts the conductor into an open-back housing. The orange colour is a visual key for the wire gauge or circuit function on the assembly line, though the functional spec is the same regardless of colour. ## IDC Termination for 18 AWG Discrete Wire — Permanent, No Crimp Tool Needed This receptacle uses insulation displacement contacts (IDC) for 18 AWG discrete wire. The trade-off is that the termination is permanent: once the wire is seated, it cannot be removed without cutting it off. The 18 AWG wire gauge is at the heavier end of the IDC range — the slot geometry is designed for the insulation diameter and conductor stiffness of 18 AWG, not for finer wire. Using a smaller gauge risks a loose fit in the slot; using a larger gauge may not fit at all.","metaTitle":"TE Connectivity 3-640426-2 MTA-156 Receptacle, 2 Pos, IDC","metaDescription":"TE Connectivity MTA-156 receptacle, 2 positions, 0.156\" (3.96mm) pitch, IDC termination for 18 AWG discrete wire, tin contacts, locking ramp.","metaKeywords":null},"attributes":{"series":"MTA-156","packageCase":null,"mountingType":null,"rohsStatus":"RoHS 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","Wire Type":"Discrete","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":"640426","Number of Positions":"2","Contact Finish Thickness":"80.0µin (2.03µm)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.3300","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$0.33000","currency":"USD"},{"qty":10,"price":"$0.29500","currency":"USD"},{"qty":25,"price":"$0.29360","currency":"USD"},{"qty":50,"price":"$0.28760","currency":"USD"},{"qty":100,"price":"$0.24580","currency":"USD"},{"qty":250,"price":"$0.22124","currency":"USD"},{"qty":500,"price":"$0.20894","currency":"USD"},{"qty":1000,"price":"$0.18313","currency":"USD"},{"qty":2500,"price":"$0.18190","currency":"USD"}]},"links":{"datasheetUrl":null,"sourceUrl":null},"ai":{"faq":[{"question":"What wire gauge does the 3-640426-2 accept?","answer":"The 3-640426-2 is designed for 18 AWG discrete wire, terminated via IDC. The insulation displacement slot is sized for the insulation diameter and conductor stiffness of 18 AWG — it is not intended for finer or heavier gauges."},{"question":"What is the pitch of the 3-640426-2 connector?","answer":"The pitch is 0.156\" (3.96mm), which is wider than the 0.100\" signal standard. This spacing is sized for 18 AWG power wiring and provides adequate creepage for the voltage and current levels typical of power harness applications."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"isd-matrix-langgraph","citationUrl":"https://icsourcedirect.com/te-connectivity-amp-connectors/3-640426-2","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/3-640426-2 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-22T19:46:37.382Z","lastPublished":"2026-07-22T19:46:37.382Z","indexable":true}}