{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1.5KE210CA","brand":"Littelfuse Inc.","brandSlug":"littelfuse-inc","productSlug":"1.5KE210CA","canonicalUrl":"https://icboms.com/littelfuse-inc/1.5KE210CA","factsUrl":"https://icboms.com/api/mcp/products/1.5KE210CA","rawCanonicalId":null},"summary":{"shortDescription":"Littelfuse 1.5KE series Zener TVS diode, bidirectional, 1500W peak pulse power, DO-201AA axial package, Tape & Reel.","salesMarkdown":"## Device identity and key parametrics The 1.5KE210CA: A single device clamps transients of either polarity, covering one signal or power pair. Housed in a DO-201AA (DO-27) axial-lead through-hole package, it mounts in standard TVS footprints on boards that tolerate a leaded form factor. The operating junction temperature range spans -55°C to 175°C, suitable for environments from cold-start industrial to under-hood automotive. The part carries no power line protection rating — it is intended for DC bus or signal-line transient suppression, not AC mains clamping. ## Lifecycle reality and sourcing posture Supply runs through independent surplus and broker channels. Lots are date-code specific; provenance and quantity are confirmed at the time of an RFQ. No pin-compatible successor from Littelfuse is documented, so a board-level redesign is the migration path if a replacement is needed. ## What the 1500 W rating means for the protection decision For a given clamping voltage, this translates to a peak current limit — a 210 V breakdown device clamps near 300 V, so the surge current capability is roughly 5 A for a 1 ms pulse. Below that, the TVS shunts the transient and resets; above it, the junction overheats. Bidirectional construction means a single 1.5KE210CA replaces two back-to-back Zeners on a line pair, saving board area and reducing part count. The symmetrical V-I characteristic suits AC-coupled signals or bipolar supplies.","metaTitle":"Littelfuse 1.5KE210CA TVS Diode, 1500W, DO-201, Obsolete","metaDescription":"Littelfuse 1.5KE210CA Zener TVS, 1500W peak pulse, bidirectional, DO-201AA axial. Obsolete — sourced to order via surplus channels. Request quote.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["Circuit Protection"],"specifications":{"Mfr":"Littelfuse Inc.","Type":"Zener","Series":"1.5KE","Package":"Tape & Reel (TR)","Applications":"General Purpose","Mounting Type":"Through Hole","Package / Case":"DO-201AA, DO-27, Axial","Product Status":"Obsolete","lifecycle_stage":"unknown","Power - Peak Pulse":"1500W (1.5kW)","Base Product Number":"1.5KE","Operating Temperature":"-55°C~175°C(TJ)","Power Line Protection":"No","Bidirectional Channels":"1","Capacitance @ Frequency":"-","Supplier Device Package":"DO-201","Voltage - Breakdown (Min)":"-","Voltage - Clamping (Max) @ Ipp":"-","Voltage - Reverse Standoff (Typ)":"-","Current - Peak Pulse (10/1000µs)":"-"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/f1ea870152ad203d90f672f2af1c1ed0.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Where can I buy the 1.5KE210CA and check availability?","answer":"Submit a request with your target quantity and date-code preference."},{"question":"What is the closest pin-compatible alternative to the 1.5KE210CA?","answer":"No official pin-compatible successor from Littelfuse is documented. A functional replacement requires a TVS with the same DO-201AA footprint, 1500 W rating, and bidirectional 210 V breakdown — parametric cross-reference is needed at the BOM level."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/littelfuse-inc/1.5KE210CA","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/littelfuse-inc/1.5KE210CA when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-20T14:34:45.345Z","lastPublished":"2026-07-20T14:34:45.345Z","indexable":true}}