{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1540-3","brand":"Keystone Electronics","brandSlug":"keystone-electronics","productSlug":"1540-3","canonicalUrl":"https://icsourcedirect.com/keystone-electronics/1540-3","factsUrl":"https://icsourcedirect.com/api/mcp/products/1540-3","rawCanonicalId":null},"summary":{"shortDescription":"Keystone Electronics single-end hollow turret terminal, order code 1540-3, non-insulated, brass with tin contact finish, through-hole mounting, staking flare termination, 0.093\" (2.36mm) board thickness, Bulk package.","salesMarkdown":"## Turret terminal, tin-plated brass, staking flare mount The 1540-3 is a single-end hollow turret terminal from Keystone Electronics, non-insulated, with a tin-plated brass body and staking flare termination for through-hole mounting. Overall length is 0.403\" (10.24mm), with 0.266\" (6.76mm) above board and 0.137\" (3.48mm) below flange; the turret head diameter is 0.120\" (3.05mm) and the mounting hole diameter is 0.094\" (2.39mm). ## Board thickness and mounting fit The terminal is designed for a board thickness of 0.093\" (2.36mm) — the staking flare secures the terminal to the PCB with no additional hardware.","metaTitle":"Keystone 1540-3 Turret Terminal, Tin, Bulk","metaDescription":"Keystone 1540-3 single-end hollow turret terminal, tin-plated brass, 0.093\" board thickness, through-hole staking flare termination, Bulk package.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Pin Headers, Sockets & Housings","Turret Terminals"],"specifications":{"Mfr":"Keystone Electronics","Series":"-","Package":"Bulk","Insulation":"Non-Insulated","Termination":"Staking Flare","Mounting Type":"Through Hole","Terminal Type":"Single End, Hollow","Contact Finish":"Tin","Product Status":"Active","Board Thickness":"0.093\\\" (2.36mm)","Flange Diameter":"0.156\\\" (3.96mm)","Staking Side ID":"-","Staking Side OD":"0.090\\\" (2.29mm)","lifecycle_stage":"unknown","Contact Material":"Brass","Insulation Color":"-","Length - Overall":"0.403\\\" (10.24mm)","Number of Turrets":"Single","Length - Above Board":"0.266\\\" (6.76mm)","Length - Below Flange":"0.137\\\" (3.48mm)","Material - Insulation":"-","Diameter - Turret Head":"0.120\\\" (3.05mm)","Mounting Hole Diameter":"0.094\\\" (2.39mm)","Contact Finish Thickness":"-"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.5700","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$0.57000","currency":"USD"},{"qty":25,"price":"$0.48280","currency":"USD"},{"qty":100,"price":"$0.46010","currency":"USD"},{"qty":250,"price":"$0.43080","currency":"USD"},{"qty":500,"price":"$0.38200","currency":"USD"},{"qty":1000,"price":"$0.29497","currency":"USD"},{"qty":2500,"price":"$0.26816","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icsourcedirect.com/31efa51c7da52d686e9bebd7f9a9582d.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What compliance documentation does Keystone Electronics provide for 1540-3?","answer":"The 1540-3 is RoHS3 compliant (per)."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icsourcedirect.com/keystone-electronics/1540-3","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/keystone-electronics/1540-3 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}}