{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"SM12B-SRSS-TB","brand":"JST","brandSlug":"jst","productSlug":"SM12B-SRSS-TB","canonicalUrl":"https://icsourcedirect.com/jst/SM12B-SRSS-TB","factsUrl":"https://icsourcedirect.com/api/mcp/products/SM12B-SRSS-TB","rawCanonicalId":null},"summary":{"shortDescription":"JST SH/SR series, 12-position, 1.00mm pitch, right-angle SMT header, shrouded, 1 A, 50 V, tin-plated contacts, UL94 V-0, active production.","salesMarkdown":"## 12 positions at 1.00mm pitch – the BOM-fit check The SM12B-SRSS-TB is a 12-position, single-row header on 1.00mm pitch, right-angle surface-mount, from JST's SH/SR series. It mates with a cable-side receptacle (not included) for board-to-wire connections. The pitch and position count are the first gate for footprint and routing density – 1.00mm is fine enough for compact designs but still hand-solderable under magnification. ## 1 A per contact – signal-level current, not power The tin-on-tin contact finish (mating and post) is adequate for the rated current and moderate mating cycles, but not for repeated high-cycle field service where gold would be specified. ## SMT right-angle with solder retention ## Active production – no lifecycle concern Sourced per RFQ – confirm BOM quantity and lead time at quote.","metaTitle":"SM12B-SRSS-TB – JST 12-Pin 1mm Pitch SMT Header, Active","metaDescription":"JST SM12B-SRSS-TB: 12-position, 1.00mm pitch, right-angle SMT header, shrouded, 1 A, 50 V, UL94 V-0. Active production – sourced per RFQ.","metaKeywords":null},"attributes":{"series":"SH/SR","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":"SH/SR","Package":"Tape & Reel (TR) Cut Tape (CT)","Features":"Solder Retention","Shrouding":"Shrouded - 4 Wall","Termination":"Solder","Applications":"-","Contact Type":"Male Pin","Contact Shape":"Square","Mounting Type":"Surface Mount, Right Angle","Connector Type":"Header","Fastening Type":"Push-Pull","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":"0.114\\\" (2.90mm)","Ingress Protection":"-","Base Product Number":"SM12B-SR","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":"-","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":"$0.99700","currency":"USD"},{"qty":100,"price":"$0.89510","currency":"USD"},{"qty":500,"price":"$0.73238","currency":"USD"},{"qty":1000,"price":"$0.65101","currency":"USD"},{"qty":3000,"price":"$0.58998","currency":"USD"},{"qty":6000,"price":"$0.56963","currency":"USD"},{"qty":9000,"price":"$0.54115","currency":"USD"},{"qty":15000,"price":"$0.52895","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icsourcedirect.com/01a3d0422a428094e98b60769fffa9d7.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the difference between SM12B-SRSS-TB and SM12B-SRSS-TB(LF)(SN)?","answer":"The (LF)(SN) suffix indicates lead-free and tin-plated contacts – functionally identical to the base part. The base SM12B-SRSS-TB is listed as RoHS non-compliant, while the (LF)(SN) variant is RoHS compliant. Both are active and share the same pitch, position count, and ratings."},{"question":"Does SM12B-SRSS-TB have a datasheet?","answer":"Yes, the JST SH/SR series datasheet covers the SM12B-SRSS-TB. It includes the mating interface dimensions, recommended PCB footprint, and current derating curve. The base product number is SM12B-SR."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"isd-matrix-langgraph","citationUrl":"https://icsourcedirect.com/jst/SM12B-SRSS-TB","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/SM12B-SRSS-TB 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}}