{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"B05B-XASK-1","brand":"JST","brandSlug":"jst","productSlug":"B05B-XASK-1","canonicalUrl":"https://icsourcedirect.com/jst/B05B-XASK-1","factsUrl":"https://icsourcedirect.com/api/mcp/products/B05B-XASK-1","rawCanonicalId":null},"summary":{"shortDescription":"JST Sales America Inc. XA series, Board to Cable/Wire, Header, 5 Positions, 2.50 mm Pitch, Through Hole, Shrouded - 4 Wall, Locking Ramp, Tin Contacts, UL94 V-0, Bulk","salesMarkdown":"## 5-position 2.50 mm header with locking ramp The shrouded 4-wall housing and locking ramp provide secure mating in vibration-prone assemblies. RoHS compliant, supplied in bulk packaging. The base product number is B05B-XAS. ## Peer variants with board guide The B05B-XASK-1-A and B05B-XASK-1-A(LF)(SN) add a board guide feature — otherwise identical in pitch, position count, and ratings. Choose the -A suffix if alignment during reflow is a concern.","metaTitle":"B05B-XASK-1 JST XA Header 5 Pos 2.5mm Locking Ramp","metaDescription":"JST XA series header, 5 positions, 2.50 mm pitch, shrouded 4-wall, locking ramp, through-hole, tin contacts, UL94 V-0. 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":"-","Shrouding":"Shrouded - 4 Wall","Termination":"Press-Fit, Solder","Applications":"-","Contact Type":"Male Pin","Contact Shape":"Circular","Mounting Type":"Through Hole","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":"0.346\\\" (8.80mm)","Ingress Protection":"-","Base Product Number":"B05B-XAS","Insulation Material":"Polyamide (PA66), Nylon 6/6, Glass Filled","Number of Positions":"5","Row Spacing - Mating":"-","Contact Finish - Post":"Tin","Contact Length - Post":"0.134\\\" (3.40mm)","Current Rating (Amps)":"3A","Operating Temperature":"-25°C ~ 85°C","Mated Stacking Heights":"11.3mm","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":"$0.4000","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$0.40000","currency":"USD"},{"qty":10,"price":"$0.34100","currency":"USD"},{"qty":100,"price":"$0.26520","currency":"USD"},{"qty":500,"price":"$0.22728","currency":"USD"},{"qty":1000,"price":"$0.18940","currency":"USD"},{"qty":5000,"price":"$0.16234","currency":"USD"},{"qty":10000,"price":"$0.15152","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icsourcedirect.com/d7b9d054706f4cb7d9e943bf7a731c95.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the pitch of B05B-XASK-1?","answer":"The mating pitch is 0.098\" (2.50 mm), single row, 5 positions loaded."},{"question":"Is B05B-XASK-1 compatible with JST XA crimp housings?","answer":"Yes, this header mates with the matching XA series receptacle housing and crimp terminals. The locking ramp engages with the receptacle latch for a vibration-resistant connection."},{"question":"What is the difference between B05B-XASK-1 and B05B-XASK-1-A?","answer":"The -A variant adds a board guide feature for alignment during assembly; all other specs — pitch, position count, current rating, and material — are identical."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"isd-matrix-langgraph","citationUrl":"https://icsourcedirect.com/jst/B05B-XASK-1","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/B05B-XASK-1 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}}