{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"RD51F","brand":"Renesas Electronics","brandSlug":"renesas","productSlug":"RD51F","canonicalUrl":"https://icboms.com/renesas/RD51F","factsUrl":"https://icboms.com/api/mcp/products/RD51F","rawCanonicalId":null},"summary":{"shortDescription":"RD51F Zener diode, series *, active lifecycle, RoHS non-compliant, Bulk package.","salesMarkdown":"The RD51F is a Zener diode — a two-terminal semiconductor device that maintains a stable reference voltage when operated in reverse breakdown. It is used in voltage regulation, clamping, and reference circuits across power supplies, industrial controls, and general-purpose electronics. ## Zener voltage — what to expect The RD51F is commonly searched as a 5.1 V Zener diode, a standard voltage for low-voltage rail clamping and reference generation. The actual breakdown voltage should be confirmed from the manufacturer's datasheet for the specific test current. ## Package and polarity The RD51F is — loose devices, not taped or reeled. Polarity is standard for a Zener diode: the cathode band marks the negative terminal under forward bias. ## Lifecycle and compliance status For designs requiring RoHS compliance, a lead-free alternative should be sourced. ## Sourcing and availability For volume requirements or long-term supply agreements, contact us with your target quantity and delivery window.","metaTitle":"RD51F Zener Diode, Active, RoHS Non-Compliant, Bulk","metaDescription":"RD51F Zener diode, active lifecycle, RoHS non-compliant, shipped in Bulk.","metaKeywords":null},"attributes":{"series":"*","packageCase":null,"mountingType":null,"rohsStatus":"RoHS non-compliant","productStatus":"Active","categoryPath":[],"specifications":{"Series":"*","Package":"Bulk","lifecycle_stage":"eol_hot"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.22","stockQuantity":0,"priceTiers":[{"qty":1353,"price":"$0.22000","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/d41a51368d029e02f83e2d710ab386ea.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Is the RD51F a 5.1 V Zener diode?","answer":"The RD51F is commonly searched as a 5.1 V Zener diode, a standard voltage for low-voltage regulation and clamping. Confirm the exact breakdown voltage from the manufacturer's datasheet for the specified test current."},{"question":"Is the RD51F RoHS compliant?","answer":"No, the RD51F is RoHS non-compliant."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/renesas/RD51F","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/renesas/RD51F when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-17T19:50:00.618Z","lastPublished":"2026-07-17T19:50:00.618Z","indexable":true}}