{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"BM12B-SURS-TF(LF)(SN)","brand":"JST","brandSlug":"jst","productSlug":"BM12B-SURS-TF~1LF~2~1SN~2","canonicalUrl":"https://icsourcedirect.com/jst/BM12B-SURS-TF~1LF~2~1SN~2","factsUrl":"https://icsourcedirect.com/api/mcp/products/BM12B-SURS-TF(LF)(SN)","rawCanonicalId":null},"summary":{"shortDescription":"JST SUR series, BM12B-SURS-TF(LF)(SN), 12-position single-row shrouded header, 0.80mm pitch, surface-mount, tin-plated contacts, rated 0.2A/0.5A at 30V, mated stack height 3.95mm, UL94 V-0 natural nylon.","salesMarkdown":"## 12-Position SUR Header for Board-to-Cable Interconnects The BM12B-SURS-TF(LF)(SN): The 0.80mm pitch and surface-mount termination suit it for compact, low-profile PCB layouts where the mating cable assembly plugs in from above. The insulation height of 2.70mm leaves clearance for the receptacle's latch and wire exit. The header is loaded with all 12 positions; no empty cavities. The SUR series offers the same 0.80mm pitch and 3.95mm stack height in 8-position (BM08B-SURS-TF) and 10-position (BM10B-SURS-TF(LF)(SN)) variants.","metaTitle":"BM12B-SURS-TF(LF)(SN) JST SUR Header, 12 Pos, 0.80mm Pitch","metaDescription":"JST SUR series 12-position board-to-cable header, 0.80mm pitch, 0.2A/0.5A, 30V, SMT, shrouded, solder retention. Active production.","metaKeywords":null},"attributes":{"series":"SUR","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":"SUR","Package":"Tape & Reel (TR); Cut Tape (CT)","Features":"Solder Retention","Shrouding":"Shrouded - 4 Wall","Termination":"Solder","Applications":"-","Contact Type":"Outer Shroud Contact","Contact Shape":"Rectangular","Mounting Type":"Surface Mount","Connector Type":"Header","Fastening Type":"Push-Pull","Number of Rows":"1","Pitch - Mating":"0.031\\\" (0.80mm)","Product Status":"Active","Voltage Rating":"30V","lifecycle_stage":"unknown","Contact Material":"Copper Alloy","Insulation Color":"Natural","Insulation Height":"0.106\\\" (2.70mm)","Ingress Protection":"-","Base Product Number":"BM12B-SU","Insulation Material":"Polyamide (PA), Nylon","Number of Positions":"12","Row Spacing - Mating":"-","Contact Finish - Post":"Tin","Contact Length - Post":"-","Current Rating (Amps)":"0.2A, 0.5A","Operating Temperature":"-25°C~85°C","Mated Stacking Heights":"3.95mm","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":"$1.0300","priceTiers":[{"qty":1,"price":"$1.03000","currency":"USD"},{"qty":10,"price":"$0.86700","currency":"USD"},{"qty":100,"price":"$0.77850","currency":"USD"},{"qty":500,"price":"$0.63694","currency":"USD"},{"qty":1000,"price":"$0.56618","currency":"USD"},{"qty":2500,"price":"$0.51310","currency":"USD"},{"qty":5000,"price":"$0.49540","currency":"USD"},{"qty":12500,"price":"$0.46002","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icsourcedirect.com/f1512d2cb3141ff7e1ee47a080d3fe60.pdf","sourceUrl":null,"alternativesUrl":"https://icsourcedirect.com/api/mcp/products/BM12B-SURS-TF(LF)(SN)/alternatives.json"},"ai":{"faq":[{"question":"Does BM12B-SURS-TF(LF)(SN) mate with JST SUR crimp housings?","answer":"Yes, this header is designed to mate with JST SUR series crimp-style receptacle housings. The push-pull fastening type and 0.80mm pitch align with the SUR receptacle contact layout."},{"question":"What is the closest alternative to BM12B-SURS-TF(LF)(SN)?","answer":"The BM12B-SURS-TF is the same part without the (LF)(SN) suffix — identical specs and position count. For fewer circuits, the 10-position BM10B-SURS-TF(LF)(SN) and 8-position BM08B-SURS-TF share the same pitch and stack height."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icsourcedirect.com/jst/BM12B-SURS-TF~1LF~2~1SN~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/jst/BM12B-SURS-TF~1LF~2~1SN~2 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}}