{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1.5KE15ARL4","brand":"onsemi","brandSlug":"onsemi","productSlug":"1.5KE15ARL4","canonicalUrl":"https://icboms.com/onsemi/1.5KE15ARL4","factsUrl":"https://icboms.com/api/mcp/products/1.5KE15ARL4","rawCanonicalId":null},"summary":{"shortDescription":"onsemi Mosorb™ series, Zener TVS diode, 1.5KE15ARL4, 1500W peak pulse power, 14.3V breakdown min, DO-201AD axial through-hole package.","salesMarkdown":"## 1500W Zener TVS in a DO-201AD axial body The 1.5KE15ARL4 is a unidirectional Zener TVS diode from onsemi's Mosorb™ series, rated for 1500W peak pulse power at 10/1000µs. It clamps transients to 21.2V maximum at 71A peak pulse current, with a reverse standoff voltage of 12.8V. The DO-201AD axial package suits through-hole mounting on boards where a soldered lead provides mechanical retention and thermal path to the copper pad. ## Breakdown and clamping — the numbers that matter Breakdown voltage is specified at 14.3V minimum, so the device starts conducting at that threshold. The clamping voltage caps at 21.2V across the full 71A peak pulse current — this is the voltage the downstream circuitry sees during a surge event. Operating temperature spans -65°C to 175°C junction, covering most industrial and automotive under-hood environments without derating concerns. ## Obsolete — sourcing reality for the BOM line onsemi lists the 1.5KE15ARL4 as Obsolete. For a BOM that requires this exact clamp voltage and package, a last-time buy or a cross to a same-spec sibling in the 1.5KE series (e.g., 1.5KE15A) is the practical path. We source against the RFQ quantity — confirm the BOM position and we'll pull availability across our supply network. ## DO-201AD axial — what the package means for assembly The DO-201AD axial body is 0.210-inch diameter with 0.040-inch lead diameter — standard for through-hole wave-solder or hand-solder rework. No MSL concern because the body is molded epoxy with no internal cavity; it survives the oven without a bake step. The lead bend radius must clear the body by at least 0.050 inch to avoid cracking the epoxy during forming. Check the pad spacing on your PCB: the lead pitch is 0.400 inch nominal.","metaTitle":"1.5KE15ARL4 onsemi Zener TVS – 1500W, DO-201AD, Obsolete","metaDescription":"onsemi 1.5KE15ARL4 Zener TVS diode, 1500W peak pulse, 14.3V breakdown min, DO-201AD axial. Obsolete — sourced per RFQ against BOM needs.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["Circuit Protection"],"specifications":{"Mfr":"onsemi","Type":"Zener","Series":"Mosorb™","Package":"Tape & Reel (TR)","Applications":"General Purpose","Mounting Type":"Through Hole","Package / Case":"DO-201AD, Axial","Product Status":"Obsolete","lifecycle_stage":"eol_hot","Power - Peak Pulse":"1500W (1.5kW)","Base Product Number":"1.5KE","Operating Temperature":"-65°C~175°C(TJ)","Power Line Protection":"No","Capacitance @ Frequency":"-","Supplier Device Package":"Axial","Unidirectional Channels":"1","Voltage - Breakdown (Min)":"14.3V","Voltage - Clamping (Max) @ Ipp":"21.2V","Voltage - Reverse Standoff (Typ)":"12.8V","Current - Peak Pulse (10/1000µs)":"71A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/717ad1fc0ab391931f54c66e75e89e87.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What package does 1.5KE15ARL4 use?","answer":"It uses the DO-201AD axial through-hole package. The body is 0.210-inch diameter with 0.040-inch leads — standard for wave-solder or hand-solder assembly. No moisture-sensitivity level concern; it does not require a bake before reflow."},{"question":"What is the difference between 1.5KE15A and 1.5KE15ARL4?","answer":"Both are part of the same 1.5KE series from onsemi with identical electrical ratings (1500W, 14.3V breakdown min, 21.2V clamp). The 'RL4' suffix on 1.5KE15ARL4 indicates a specific tape-and-reel packaging variant. The 1.5KE15A is the base part number without the packaging suffix — functionally the same die in the same DO-201AD package. If the BOM calls for the RL4 suffix, the 1.5KE15A is a direct electrical and mechanical substitute, though the reel format may differ."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/onsemi/1.5KE15ARL4","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/onsemi/1.5KE15ARL4 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-17T20:12:52.519Z","lastPublished":"2026-07-17T20:12:52.519Z","indexable":true}}