{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1SZ53","brand":"Renesas Electronics","brandSlug":"renesas","productSlug":"1SZ53","canonicalUrl":"https://icboms.com/renesas/1SZ53","factsUrl":"https://icboms.com/api/mcp/products/1SZ53","rawCanonicalId":null},"summary":{"shortDescription":"1SZ53 Zener diode, 0.25 W power rating, Bulk package, active lifecycle.","salesMarkdown":"## What this 0.25 W Zener does The 1SZ53 is a Zener diode rated for 0.25 W continuous power dissipation. It is a general-purpose voltage-reference or clamping diode for low-current DC rails, protection circuits, and bias networks in consumer, industrial, and telecom boards.","metaTitle":"1SZ53 Zener Diode, 0.25 W, Active","metaDescription":"1SZ53 Zener diode rated at 0.25 W. Active lifecycle, available to order.","metaKeywords":null},"attributes":{"series":"*","packageCase":null,"mountingType":null,"rohsStatus":"Not applicable","productStatus":"Active","categoryPath":[],"specifications":{"Series":"*","Package":"Bulk","lifecycle_stage":"eol_hot"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$10.72","priceTiers":[{"qty":28,"price":"$10.72000","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/55f15561a57a63adb2e1b5af445347b7.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/1SZ53/alternatives.json"},"ai":{"faq":[{"question":"Is 1SZ53 obsolete or active?","answer":"The 1SZ53 is Active per the manufacturer lifecycle record. No end-of-life or last-time-buy notice is published for this part."},{"question":"What is the power rating of 1SZ53?","answer":"The 1SZ53 is rated for 0.25 W continuous power dissipation — suitable for low-current voltage reference or clamping applications."},{"question":"What is the equivalent of 1SZ53?","answer":"No official cross-reference or second-source alternate is recorded for this order code. For a pin-compatible replacement, compare the 0.25 W Zener family from the same manufacturer or a standard Zener series (e.g., BZX84, 1N52xx) with matching voltage and power rating. Confirm the specific breakdown voltage from your application before substituting."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/renesas/1SZ53","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/renesas/1SZ53 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-22T18:51:14.863Z","lastPublished":"2026-07-22T18:51:14.863Z","indexable":true}}