{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1.5SMBJ45A-H","brand":"Bourns Inc.","brandSlug":"bourns-inc","productSlug":"1.5SMBJ45A-H","canonicalUrl":"https://icboms.com/bourns-inc/1.5SMBJ45A-H","factsUrl":"https://icboms.com/api/mcp/products/1.5SMBJ45A-H","rawCanonicalId":null},"summary":{"shortDescription":"Bourns Inc. 1.5SMBJ series, Zener TVS diode, Automotive grade, AEC-Q101 qualified, 1500W peak pulse power, 45V reverse standoff, unidirectional, DO-214AA (SMB) surface mount package.","salesMarkdown":"## Automotive-grade transient suppression The 1.5SMBJ45A-H: AEC-Q101 qualification confirms it meets automotive-grade stress and reliability requirements, including temperature cycling and ESD robustness, for under-hood and chassis-mounted electronics. ## Clamping performance and breakdown margin Breakdown voltage starts at 50 V minimum, providing a 5 V guard band above the 45 V standoff before the device begins conducting. The clamping voltage of 72.7 V at 20.6 A peak pulse current limits the transient energy seen by the protected load. ## Package and sourcing posture The base product number is 1.5SMBJ.","metaTitle":"Bourns 1.5SMBJ45A-H TVS Diode, 1500W, AEC-Q101, DO-214AA","metaDescription":"Bourns 1.5SMBJ45A-H Zener TVS, 1500W peak pulse, 45V standoff, AEC-Q101 qualified. Active production, sourced to order. Request quote.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Circuit Protection"],"specifications":{"Mfr":"Bourns Inc.","Type":"Zener","Grade":"Automotive","Series":"1.5SMBJ","Package":"Tape & Reel (TR) Cut Tape (CT)","Applications":"General Purpose","Mounting Type":"Surface Mount","Qualification":"AEC-Q101","Package / Case":"DO-214AA, SMB","Product Status":"Active","lifecycle_stage":"unknown","Power - Peak Pulse":"1500W (1.5kW)","Base Product Number":"1.5SMBJ","Operating Temperature":"-55°C ~ 150°C (TJ)","Power Line Protection":"No","Capacitance @ Frequency":"-","Supplier Device Package":"SMB (DO-214AA)","Unidirectional Channels":"1","Voltage - Breakdown (Min)":"50V","Voltage - Clamping (Max) @ Ipp":"72.7V","Voltage - Reverse Standoff (Typ)":"45V","Current - Peak Pulse (10/1000µs)":"20.6A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.6500","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/ee1fb175d38950cd5a23672129674f6e.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/1.5SMBJ45A-H/alternatives.json"},"ai":{"faq":[{"question":"Is 1.5SMBJ45A-H AEC-Q101 qualified?","answer":"Yes, it carries AEC-Q101 automotive qualification, which covers the stress and reliability testing required for automotive-grade components."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/bourns-inc/1.5SMBJ45A-H","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/bourns-inc/1.5SMBJ45A-H when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:49:49.435Z","lastPublished":"2026-08-11T15:49:49.435Z","indexable":true}}