{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"BM04B-ACHFKS-GACN-ETF(LF)(SN)","brand":"JST","brandSlug":"jst","productSlug":"BM04B-ACHFKS-GACN-ETFLFSN","canonicalUrl":"https://icsourcedirect.com/jst/BM04B-ACHFKS-GACN-ETFLFSN","factsUrl":"https://icsourcedirect.com/api/mcp/products/BM04B-ACHFKS-GACN-ETF(LF)(SN)","rawCanonicalId":null},"summary":{"shortDescription":"JST Sales America Inc., ACHF series, Board to Cable/Wire header, 4 positions, 1.20mm pitch, Surface Mount Right Angle, shrouded 3-wall, detent lock, gold mating finish, 2.5A, 50V, UL94 V-0.","salesMarkdown":"## What the 1.20 mm Pitch and 4 Positions Mean for the Board Fit The BM04B-ACHFKS-GACN-ETF(LF)(SN): That pitch drives the PCB footprint: the contact pads are spaced 1.20 mm apart centre-to-centre. ## Peer Comparison — BM04B-ACHFKS-GACN-ETF vs This Suffix Variant If the design can drop to 3 positions, those are a valid BOM alternative.","metaTitle":"BM04B-ACHFKS-GACN-ETF(LF)(SN) JST ACHF Header 4Pos 1.2mm","metaDescription":"JST ACHF series 4-position right-angle SMT header, 1.20mm pitch, 2.5A, 50V, gold-plated contacts, detent lock. Active production. Sourced per RFQ.","metaKeywords":null},"attributes":{"series":"ACHF","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":"ACHF","Package":"Tape & Reel (TR); Cut Tape (CT)","Features":"Solder Retention","Shrouding":"Shrouded - 3 Wall","Termination":"Solder","Applications":"-","Contact Type":"Male Blade","Contact Shape":"Rectangular","Mounting Type":"Surface Mount, Right Angle","Connector Type":"Header","Fastening Type":"Detent Lock","Number of Rows":"1","Pitch - Mating":"0.047\\\" (1.20mm)","Product Status":"Active","Voltage Rating":"50V","lifecycle_stage":"unknown","Contact Material":"Copper Alloy","Insulation Color":"Black","Insulation Height":"0.056\\\" (1.43mm)","Ingress Protection":"-","Base Product Number":"BM04B-AC","Insulation Material":"Polymer","Number of Positions":"4","Row Spacing - Mating":"-","Contact Finish - Post":"-","Contact Length - Post":"-","Current Rating (Amps)":"2.5A","Operating Temperature":"-25°C~85°C","Mated Stacking Heights":"-","Overall Contact Length":"-","Contact Finish - Mating":"Gold","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":"$0.9200","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$0.92000","currency":"USD"},{"qty":10,"price":"$0.78000","currency":"USD"},{"qty":100,"price":"$0.70060","currency":"USD"},{"qty":500,"price":"$0.57320","currency":"USD"},{"qty":1000,"price":"$0.50951","currency":"USD"},{"qty":6000,"price":"$0.44582","currency":"USD"},{"qty":12000,"price":"$0.41398","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icsourcedirect.com/9e6029b45b3c7be9b48c4bd2a487fb27.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the mating connector for BM04B-ACHFKS-GACN-ETF(LF)(SN)?","answer":"The mating half is a JST ACHF series receptacle housing that accepts the corresponding crimp terminals. The detent lock on this header engages with the matching latch on the receptacle. Confirm the exact receptacle part number from the ACHF series datasheet for the correct circuit count and wire gauge."},{"question":"Does BM04B-ACHFKS-GACN-ETF(LF)(SN) have a detent lock feature?","answer":"Yes, the fastening type is a detent lock. It provides an audible and tactile click when the mating receptacle is fully seated, giving positive retention against accidental disconnection in moderate-vibration applications."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"isd-matrix-langgraph","citationUrl":"https://icsourcedirect.com/jst/BM04B-ACHFKS-GACN-ETFLFSN","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/BM04B-ACHFKS-GACN-ETFLFSN 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}}