{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"BM12B-XASS-TF(LF)(SN)","brand":"JST","brandSlug":"jst","productSlug":"BM12B-XASS-TFLFSN","canonicalUrl":"https://icsourcedirect.com/jst/BM12B-XASS-TFLFSN","factsUrl":"https://icsourcedirect.com/api/mcp/products/BM12B-XASS-TF(LF)(SN)","rawCanonicalId":null},"summary":{"shortDescription":"JST XA series, BM12B-XASS-TF(LF)(SN), 12-position single-row SMT header, 2.50mm pitch, 3A/250V, tin-plated male pins, shrouded 4-wall, locking ramp, UL94 V-0 natural PA housing.","salesMarkdown":"## 12-Position SMT Header with Locking Ramp — JST XA Series The header mates with JST XA series crimp receptacles (sold separately) to form a wire-to-board interconnect. The 11.9 mm mated stack height defines the z-height budget for the enclosure — confirm clearance before layout. ## Current Rating, Plating, and Operating Range ## SMT Termination and Solder Retention The retention pads reduce shear stress on the signal joints, which matters when the mated cable is routed near the connector and subject to pull forces. The XA series includes other position counts for the same form factor. The 12-position BM12B-XASS-TF(LF)(SN) sits between the 6-position BM06B-XASS-TF(LF)(SN) and the 15-position BM15B-XASS-TF.","metaTitle":"BM12B-XASS-TF(LF)(SN) JST XA Header 12-Pos 2.5mm SMT","metaDescription":"JST XA series 12-position single-row SMT header, 2.50mm pitch, 3A/250V, tin-plated contacts, locking ramp, UL94 V-0. Active production — sourced per RFQ.","metaKeywords":null},"attributes":{"series":"XA","packageCase":null,"mountingType":null,"rohsStatus":"RoHS Compliant","productStatus":"Active","categoryPath":["Pin Headers, Sockets & Housings","Pin Headers"],"specifications":{"Mfr":"JST Sales America Inc.","Style":"Board to Cable/Wire","Series":"XA","Package":"Bulk","Features":"Solder Retention","Shrouding":"Shrouded - 4 Wall","Termination":"Solder","Applications":"-","Contact Type":"Male Pin","Contact Shape":"Circular","Mounting Type":"Surface Mount","Connector Type":"Header","Fastening Type":"Locking Ramp","Number of Rows":"1","Pitch - Mating":"0.098\\\" (2.50mm)","Product Status":"Active","Voltage Rating":"250V","lifecycle_stage":"unknown","Contact Material":"Copper Alloy","Insulation Color":"Natural","Insulation Height":"0.370\\\" (9.40mm)","Ingress Protection":"-","Base Product Number":"BM12B-XA","Insulation Material":"Polyamide (PA), Nylon","Number of Positions":"12","Row Spacing - Mating":"-","Contact Finish - Post":"Tin","Contact Length - Post":"-","Current Rating (Amps)":"3A","Operating Temperature":"-25°C~85°C","Mated Stacking Heights":"11.9mm","Overall Contact Length":"-","Contact Finish - Mating":"Tin","Contact Length - Mating":"-","Number of Positions Loaded":"All","Material Flammability Rating":"UL94 V-0","Contact Finish Thickness - Post":"-","Contact Finish Thickness - Mating":"-"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$1.6800","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$1.68000","currency":"USD"},{"qty":10,"price":"$1.45800","currency":"USD"},{"qty":100,"price":"$1.30280","currency":"USD"},{"qty":500,"price":"$1.08566","currency":"USD"},{"qty":1000,"price":"$0.93057","currency":"USD"},{"qty":5000,"price":"$0.82511","currency":"USD"},{"qty":10000,"price":"$0.80650","currency":"USD"}]},"links":{"datasheetUrl":null,"sourceUrl":null},"ai":{"faq":[{"question":"What is the mating connector for BM12B-XASS-TF(LF)(SN)?","answer":"This header mates with JST XA series crimp receptacles (sold separately) to form a board-to-cable/wire connection."},{"question":"Is BM12B-XASS-TF(LF)(SN) RoHS compliant?","answer":"Yes, the (LF)(SN) suffix indicates RoHS compliance and a lead-free finish. The part is listed as RoHS Compliant."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"isd-matrix-langgraph","citationUrl":"https://icsourcedirect.com/jst/BM12B-XASS-TFLFSN","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/jst/BM12B-XASS-TFLFSN 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}}