{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"E3RA-DP21","brand":"Omron","brandSlug":"omron","productSlug":"E3RA-DP21","canonicalUrl":"https://aoctrl.com/omron/E3RA-DP21","factsUrl":"https://aoctrl.com/api/mcp/products/E3RA-DP21","rawCanonicalId":null},"summary":{"shortDescription":"Omron, E3RA-DP21, Photoelectric Sensor, Visible LED Light, Mature Lifecycle Stage.","salesMarkdown":"It sits in the Photoelectric Sensors category, so you're looking at a through-beam or retro-reflective presence detection part—typical for packaging lines, conveyor gates, or part-in-place checks. If you're swapping one in the field, it's a straightforward visible LED type; no IR trickery, so alignment is what you see is what you get.","metaTitle":"Omron E3RA-DP21 Photoelectric Sensor, Visible LED Light","metaDescription":"Omron E3RA-DP21 photoelectric sensor with visible LED light. Mature lifecycle stage, still available for sourcing. Order to specification against RFQ. Category: Photoelectric Senso","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Photoelectric Sensors"],"specifications":{"Part #":"E3RA-DP21","Weight":"0.00 kgs","Category":"Photoelectric Sensors","Top Category":"Sensors","lifecycle_stage":"mature"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$30.48","priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":null,"alternativesUrl":"https://aoctrl.com/api/mcp/products/E3RA-DP21/alternatives.json"},"ai":{"faq":[{"question":"What is the closest functional second-source to the E3RA-DP21?","answer":"The Omron E3S-CD67 and E3FB-DP22 are both in the same Photoelectric Sensors category. However, physical and electrical compatibility should be verified against the specific mounting and wiring of the E3RA-DP21 before substitution."},{"question":"What is the title and part number of this component?","answer":"The title is 'E3RA-DP21 - VISIBLE LED LIGHT' and the part number is E3RA-DP21."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/omron/E3RA-DP21","citationPolicyUrl":"https://aoctrl.com/llms.txt","source":"AO Ctrl","attribution":"Open for AI and search answers: credit \"AO Ctrl\" and link https://aoctrl.com/omron/E3RA-DP21 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-09-02T08:15:54.622Z","lastPublished":"2026-09-02T08:15:54.622Z","indexable":true}}