{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1.5KE33A/B","brand":"YAGEO","brandSlug":"yageo","productSlug":"1.5KE33A-B","canonicalUrl":"https://icboms.com/yageo/1.5KE33A-B","factsUrl":"https://icboms.com/api/mcp/products/1.5KE33A%2FB","rawCanonicalId":null},"summary":{"shortDescription":"YAGEO 1.5KE series Zener TVS diode, 1.5KE33A/B, 1500W peak pulse power, 28.2V reverse standoff, 45.7V clamp, DO-201AA axial, through hole.","salesMarkdown":"## 1.5KE33A/B — 1500 W Zener TVS in DO-201 Clamping at 45.7 V maximum when the surge current hits 33.3 A, it protects a 28.2 V rail — the reverse standoff voltage — from transients that would otherwise exceed the downstream IC's abs-max rating. The 31.4 V minimum breakdown voltage means the device starts conducting before the rail climbs above the safe operating area of typical 30 V-rated semiconductors. That 3.2 V guard band between standoff and breakdown is the margin a designer budgets for normal line ripple and load dump. ## Thermal and mechanical envelope The DO-201AA axial-lead package (DO-27 equivalent) is a through-hole form factor that simplifies hand-assembly and rework — the leads absorb the thermal stress of soldering without the risk of package cracking seen in small surface-mount TVS parts. No power-line protection feature is implemented — this is a bare Zener clamp, not a filtered or coordinated surge protector. It is intended for secondary-side transient suppression on DC rails, not mains-level AC line protection. ## Active production — sourcing note The 1.5KE33A/B remains a standard catalogue item in YAGEO's TVS portfolio, sourced through authorized distribution channels.","metaTitle":"YAGEO 1.5KE33A/B Zener TVS, 1500W, 28.2V Standoff","metaDescription":"YAGEO 1.5KE33A/B Zener TVS diode, 1500W peak pulse power, 28.2V reverse standoff, 45.7V clamp. Active production, DO-201 package. Quoted to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Circuit Protection"],"specifications":{"Mfr":"YAGEO","Type":"Zener","Series":"1.5KE","Package":"Box","Applications":"General Purpose","Mounting Type":"Through Hole","Package / Case":"DO-201AA, DO-27, Axial","Product Status":"Active","lifecycle_stage":"unknown","Power - Peak Pulse":"1500W (1.5kW)","Base Product Number":"1.5KE33","Operating Temperature":"-55°C ~ 150°C (TJ)","Power Line Protection":"No","Capacitance @ Frequency":"-","Supplier Device Package":"DO-201","Unidirectional Channels":"1","Voltage - Breakdown (Min)":"31.4V","Voltage - Clamping (Max) @ Ipp":"45.7V","Voltage - Reverse Standoff (Typ)":"28.2V","Current - Peak Pulse (10/1000µs)":"33.3A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.1226","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/7e7401a50e18f12b75b7097fbc4378a1.pdf","sourceUrl":null},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/yageo/1.5KE33A-B","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/yageo/1.5KE33A-B 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}}