{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"S04B-XASK-1(LF)(SN)","brand":"JST","brandSlug":"jst","productSlug":"S04B-XASK-1LFSN","canonicalUrl":"https://icsourcedirect.com/jst/S04B-XASK-1LFSN","factsUrl":"https://icsourcedirect.com/api/mcp/products/S04B-XASK-1(LF)(SN)","rawCanonicalId":null},"summary":{"shortDescription":"JST XA series, 4-position single-row male header, 2.50 mm pitch, right-angle through-hole, shrouded 4-wall, locking ramp, tin-plated contacts, 3 A, 250 V, UL94 V-0 housing.","salesMarkdown":"## Board-to-Wire Header for XA Series The S04B-XASK-1(LF)(SN): It mates with the XA crimp-style receptacle housing to form a locked, vibration-resistant connection. Termination is press-fit, solder — the header is inserted into plated through-holes and wave-soldered. The 0.126\" (3.20 mm) post length provides sufficient stand-off for a clean solder fillet on the opposite side. Natural (white) insulation color aids visual inspection of solder joints and mating alignment.","metaTitle":"JST S04B-XASK-1(LF)(SN) Header 4-Pin 2.5mm Right-Angle","metaDescription":"JST XA series 4-position header, 2.50mm pitch, right-angle through-hole, locking ramp, shrouded, tin contacts, 3A, 250V. Active production.","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":"Board Lock","Shrouding":"Shrouded - 4 Wall","Termination":"Press-Fit, Solder","Applications":"-","Contact Type":"Male Pin","Contact Shape":"Circular","Mounting Type":"Through Hole, Right Angle","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":"0.299\\\" (7.60mm)","Ingress Protection":"-","Base Product Number":"S04B-XAS","Insulation Material":"Polyamide (PA66), Nylon 6/6, Glass Filled","Number of Positions":"4","Row Spacing - Mating":"-","Contact Finish - Post":"Tin","Contact Length - Post":"0.126\\\" (3.20mm)","Current Rating (Amps)":"3A","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":"$0.5300","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$0.53000","currency":"USD"},{"qty":10,"price":"$0.46600","currency":"USD"},{"qty":100,"price":"$0.38410","currency":"USD"},{"qty":500,"price":"$0.33402","currency":"USD"},{"qty":1000,"price":"$0.27557","currency":"USD"},{"qty":5000,"price":"$0.24217","currency":"USD"},{"qty":10000,"price":"$0.22547","currency":"USD"}]},"links":{"datasheetUrl":null,"sourceUrl":null},"ai":{"faq":[{"question":"Is S04B-XASK-1(LF)(SN) compatible with JST XA crimp housing?","answer":"Yes, this header is designed to mate with the JST XA series crimp-style receptacle housing, forming a board-to-wire connection with a locking ramp."},{"question":"Where can I buy S04B-XASK-1(LF)(SN) available via RFQ confirmation?","answer":"Availability and current pricing confirmed at quote time."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"isd-matrix-langgraph","citationUrl":"https://icsourcedirect.com/jst/S04B-XASK-1LFSN","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/S04B-XASK-1LFSN 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}}