{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1.5SMBJ45A","brand":"Bourns Inc.","brandSlug":"bourns-inc","productSlug":"1.5SMBJ45A","canonicalUrl":"https://icboms.com/bourns-inc/1.5SMBJ45A","factsUrl":"https://icboms.com/api/mcp/products/1.5SMBJ45A","rawCanonicalId":null},"summary":{"shortDescription":"Bourns Inc. 1.5SMBJ Series Zener TVS Diode, 1.5SMBJ45A, 1500W Peak Pulse, 45V Reverse Standoff, DO-214AA SMB, AEC-Q101 Automotive Grade.","salesMarkdown":"## Clamping parameters and board-level fit The 1.5SMBJ45A: The breakdown voltage minimum of 50 V gives a guard band between the nominal rail and the clamping knee, so a 48 V bus sits safely below the trigger point. The -55°C to 150°C junction temperature range covers under-hood and engine-bay thermal profiles. Packaged in a DO-214AA (SMB) footprint, it is a surface-mount device suited for reflow assembly alongside other SMD passives. The single unidirectional channel protects one polarity line; for bipolar rails, two devices or a bidirectional variant would be needed. ## Active lifecycle and sourcing posture It is available through independent distribution channels; pricing and lead time are confirmed at quote against the BOM quantity.","metaTitle":"Bourns 1.5SMBJ45A TVS Diode, 1500W, DO-214AA, AEC-Q101","metaDescription":"Bourns 1.5SMBJ45A Zener TVS diode, 1500W peak pulse, 45V standoff, DO-214AA SMB, AEC-Q101 automotive grade, active production.","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","Packaging":"Tape & Reel (TR)","Part Status":"Active","Applications":"General Purpose","Mounting Type":"Surface Mount","Qualification":"AEC-Q101","Package / Case":"DO-214AA, SMB","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":"DO-214AA (SMB)","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":"$0.2565","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/ee1fb175d38950cd5a23672129674f6e.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/1.5SMBJ45A/alternatives.json"},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/bourns-inc/1.5SMBJ45A","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 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}}