{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"BM12B-NSHSS-TBT","brand":"JST","brandSlug":"jst","productSlug":"BM12B-NSHSS-TBT","canonicalUrl":"https://icsourcedirect.com/jst/BM12B-NSHSS-TBT","factsUrl":"https://icsourcedirect.com/api/mcp/products/BM12B-NSHSS-TBT","rawCanonicalId":null},"summary":{"shortDescription":"JST Sales America Inc. NSH series, Board to Cable/Wire Header, 12 positions, single row, 0.039\" (1.00 mm) pitch, Surface Mount, Tin contacts, Latch Holder, 1 A, 50 V, UL94 V-0, Natural insulation, 7.8 mm mated stack height.","salesMarkdown":"The BM12B-NSHSS-TBT is a 12-position, single-row header from JST's NSH series, on a 1.00 mm pitch — the tightest common pitch for wire-to-board interconnects in this class, which means the PCB footprint demands careful routing clearance between adjacent traces. ## Sourcing and compliance: active but RoHS non-compliant Note that the part is RoHS non-compliant — confirm your assembly's exemption or waiver before committing the BOM line.","metaTitle":"BM12B-NSHSS-TBT JST NSH Header, 12 Pos, 1 mm Pitch, SMT","metaDescription":"JST NSH series 12-position single-row header, 1.00 mm pitch, SMT, latch holder, 1 A, 50 V, UL94 V-0. Active production. RoHS non-compliant. Sourced per RFQ.","metaKeywords":null},"attributes":{"series":"NSH","packageCase":null,"mountingType":null,"rohsStatus":"RoHS non-compliant","productStatus":"Active","categoryPath":["Pin Headers, Sockets & Housings","Pin Headers"],"specifications":{"Mfr":"JST Sales America Inc.","Style":"Board to Cable/Wire","Series":"NSH","Package":"Tape & Reel (TR) Cut Tape (CT)","Features":"Pick and Place, Solder Retention","Shrouding":"Shrouded - 4 Wall","Termination":"Solder","Applications":"-","Contact Type":"Male Pin","Contact Shape":"-","Mounting Type":"Surface Mount","Connector Type":"Header","Fastening Type":"Latch Holder","Number of Rows":"1","Pitch - Mating":"0.039\\\" (1.00mm)","Product Status":"Active","Voltage Rating":"50V","lifecycle_stage":"unknown","Contact Material":"Copper Alloy","Insulation Color":"Natural","Insulation Height":"0.236\\\" (6.00mm)","Ingress Protection":"-","Base Product Number":"BM12B-NS","Insulation Material":"Polyamide (PA), Nylon","Number of Positions":"12","Row Spacing - Mating":"-","Contact Finish - Post":"Tin","Contact Length - Post":"-","Current Rating (Amps)":"1A","Operating Temperature":"-25°C ~ 85°C","Mated Stacking Heights":"7.8mm","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":"$1.1800","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$1.18000","currency":"USD"},{"qty":10,"price":"$1.00000","currency":"USD"},{"qty":100,"price":"$0.89830","currency":"USD"},{"qty":500,"price":"$0.73496","currency":"USD"},{"qty":1000,"price":"$0.65330","currency":"USD"},{"qty":2000,"price":"$0.61247","currency":"USD"},{"qty":3000,"price":"$0.59205","currency":"USD"},{"qty":5000,"price":"$0.57164","currency":"USD"},{"qty":10000,"price":"$0.54306","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icsourcedirect.com/d9f935fd9c006f1b0df83d59dc99aeb6.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the mating connector for BM12B-NSHSS-TBT?","answer":"It mates with the NSH series crimp receptacle housing (female side). The latch holder on the header engages with the corresponding latch on the receptacle to secure the pair."},{"question":"Is BM12B-NSHSS-TBT RoHS compliant?","answer":"No, the BM12B-NSHSS-TBT is listed as RoHS non-compliant. Verify your application's exemption or waiver before ordering."},{"question":"What is the closest functional second-source to BM12B-NSHSS-TBT?","answer":"The BM14B-NSHSS-TBT is the 14-position version in the same NSH series, with identical pitch, current, voltage, and features — a direct functional alternative if the circuit count can be adjusted."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"isd-matrix-langgraph","citationUrl":"https://icsourcedirect.com/jst/BM12B-NSHSS-TBT","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-NSHSS-TBT 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}}