{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1.5KE43A A0G","brand":"Taiwan Semiconductor Corporation","brandSlug":"taiwan-semiconductor-corporation","productSlug":"1.5KE43A-A0G","canonicalUrl":"https://icboms.com/taiwan-semiconductor-corporation/1.5KE43A-A0G","factsUrl":"https://icboms.com/api/mcp/products/1.5KE43A%20A0G","rawCanonicalId":null},"summary":{"shortDescription":"Taiwan Semiconductor Corporation 1.5KE series Zener TVS diode, 1.5KE43A A0G, 1500W peak pulse power, 36.8V reverse standoff, 59.3V clamp, unidirectional, DO-201AA axial package, through hole.","salesMarkdown":"## 1500W peak pulse in a DO-201 axial body The 1.5KE43A A0G: Its 36.8V reverse standoff voltage means it sits across a 36V rail without conducting leakage, then avalanches at a minimum 40.9V breakdown to clamp transients at 59.3V maximum. The 26A peak pulse current at that waveform tells you the diode can absorb a substantial surge before the junction temperature hits the 175°C absolute limit. ## Clamp voltage and operating margin With a 36.8V standoff, this part suits 24V to 36V DC rails where the normal operating voltage stays well below the avalanche knee. Power line protection is not specified — this is a signal or DC rail protector, not a mains-side suppressor. The single unidirectional channel handles one polarity; for AC or bidirectional rails you would need two devices back-to-back or the bidirectional variant in the same 1.5KE family. ## Through-hole DO-201AA footprint The DO-201AA axial package (also known as DO-27) is a standard through-hole form factor with 0.042-inch diameter leads — it mounts into a 0.040-inch plated through-hole on a typical 1.6mm PCB. The body length is about 9.1mm, so it fits in standard 10mm pitch axial lead spacing. Tape and box packaging (TB) suits hand-insertion or selective wave solder; the leads are tin-plated for solderability.","metaTitle":"1.5KE43A A0G TVS Diode, 1500W, 36.8V Standoff, DO-201","metaDescription":"Taiwan Semiconductor 1.5KE43A A0G Zener TVS diode, 1500W peak pulse power, 36.8V reverse standoff, 59.3V clamp, DO-201 axial.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Circuit Protection"],"specifications":{"Mfr":"Taiwan Semiconductor Corporation","Type":"Zener","Series":"1.5KE","Package":"Tape & Box (TB)","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":"1.5KE43","Operating Temperature":"-55°C ~ 175°C (TJ)","Power Line Protection":"No","Capacitance @ Frequency":"-","Supplier Device Package":"DO-201","Unidirectional Channels":"1","Voltage - Breakdown (Min)":"40.9V","Voltage - Clamping (Max) @ Ipp":"59.3V","Voltage - Reverse Standoff (Typ)":"36.8V","Current - Peak Pulse (10/1000µs)":"26A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/a688563676897fea683fa9d5a5542f4e.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/1.5KE43A%20A0G/alternatives.json"},"ai":{"faq":[{"question":"What package does 1.5KE43A A0G come in?","answer":"It is supplied in a DO-201AA (DO-27) axial lead through-hole package, packaged in Tape & Box (TB) format."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/taiwan-semiconductor-corporation/1.5KE43A-A0G","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/taiwan-semiconductor-corporation/1.5KE43A-A0G 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}}