{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1.5SMC27AT3","brand":"onsemi","brandSlug":"onsemi","productSlug":"1.5SMC27AT3","canonicalUrl":"https://icboms.com/onsemi/1.5SMC27AT3","factsUrl":"https://icboms.com/api/mcp/products/1.5SMC27AT3","rawCanonicalId":null},"summary":{"shortDescription":"onsemi 1.5SMC27AT3, Zener TVS diode, 1500W peak pulse power, 23.1V reverse standoff, 37.5V clamping, DO-214AB SMC package, surface mount","salesMarkdown":"## 1500W Zener TVS – 23.1V standoff, 37.5V clamp The 1.5SMC27AT3 is a single-channel unidirectional Zener TVS diode from onsemi, rated for 1500W peak pulse power at 10/1000µs waveform. Its 23.1V reverse standoff voltage protects 24V nominal rails, clamping transients to 37.5V at 40A peak pulse current. ## DO-214AB SMC – surface-mount footprint Housed in the DO-214AB (SMC) package, this part is surface-mount and intended for general-purpose circuit protection across a -65°C to 150°C junction temperature range. ## Obsolete – sourcing via RFQ onsemi has marked the 1.5SMC27AT3 as Obsolete. For BOM continuity, we source this part against your quantity via RFQ – confirm availability and current pricing at quote time.","metaTitle":"1.5SMC27AT3 onsemi Zener TVS Diode – 1500W, DO-214AB SMC","metaDescription":"onsemi 1.5SMC27AT3 Zener TVS diode, 1500W peak pulse power, 23.1V standoff, 37.5V clamping. DO-214AB SMC. Obsolete – source via RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["Circuit Protection"],"specifications":{"Mfr":"onsemi","Type":"Zener","Series":"-","Package":"Tape & Reel (TR); Cut Tape (CT)","Applications":"General Purpose","Mounting Type":"Surface Mount","Package / Case":"DO-214AB, SMC","Product Status":"Obsolete","lifecycle_stage":"eol_hot","Power - Peak Pulse":"1500W (1.5kW)","Base Product Number":"1.5SMC","Operating Temperature":"-65°C~150°C(TJ)","Power Line Protection":"No","Capacitance @ Frequency":"-","Supplier Device Package":"SMC","Unidirectional Channels":"1","Voltage - Breakdown (Min)":"25.7V","Voltage - Clamping (Max) @ Ipp":"37.5V","Voltage - Reverse Standoff (Typ)":"23.1V","Current - Peak Pulse (10/1000µs)":"40A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.6200","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/67cccc4ec8e3058e4b6b6ee8407ab63e.pdf","sourceUrl":null},"ai":{"faq":[{"question":"How can I order 1.5SMC27AT3 or check availability?","answer":"Submit an RFQ with your target quantity. We source obsolete onsemi parts against the BOM line – availability and pricing confirmed at quote time, no stock-holding claim."},{"question":"Is 1.5SMC27AT3 obsolete?","answer":"Yes, onsemi lists the product status as Obsolete. No direct replacement has been published by the manufacturer."},{"question":"What is the replacement for 1.5SMC27AT3?","answer":"No official replacement is recorded. A functionally similar part in the same 1.5SMC family (e.g., 1.5SMC27A) may be considered, but pin-to-pin compatibility and electrical ratings must be verified against your design."},{"question":"What does the T3 suffix on 1.5SMC27AT3 mean?","answer":"The T3 suffix typically denotes tape-and-reel packaging. The base product number is 1.5SMC27A."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/onsemi/1.5SMC27AT3","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/onsemi/1.5SMC27AT3 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-17T20:13:17.146Z","lastPublished":"2026-07-17T20:13:17.146Z","indexable":true}}