{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1.5KE350AHB0G","brand":"Taiwan Semiconductor Corporation","brandSlug":"taiwan-semiconductor-corporation","productSlug":"1.5KE350AHB0G","canonicalUrl":"https://icboms.com/taiwan-semiconductor-corporation/1.5KE350AHB0G","factsUrl":"https://icboms.com/api/mcp/products/1.5KE350AHB0G","rawCanonicalId":null},"summary":{"shortDescription":"Taiwan Semiconductor 1.5KE series Automotive Zener TVS Diode, 1.5KE350AHB0G, 1500W peak pulse, 300V reverse standoff, 482V clamping, DO-201AA axial, AEC-Q101 qualified.","salesMarkdown":"The 1.5KE350AHB0G: AEC-Q101 qualification means the device passed the full automotive stress battery: high-temperature reverse bias, temperature cycling, and ESD robustness per the JEDEC automotive discrete standard. That certification is the difference between a part that lives in an engine bay and one that fails after a few heat cycles. ## Clamping voltage and pulse current — the real protection numbers At 3.2 A peak pulse current (10/1000 µs waveform), the clamping voltage is 482 V max. In real-world transients shorter than 10 µs, the device absorbs more energy; in longer surges, derate accordingly. The 333 V minimum breakdown voltage guarantees the avalanche starts before the clamping event. ## Through-hole DO-201 — board-fit realities The DO-201AA (DO-27) axial package is a through-hole part with a 0.042-inch lead diameter typical. The hole size on the PCB should be 0.052 to 0.057 inches for a solid solder fillet — oversize the hole and the joint cracks under vibration; undersize and the lead jams before seating fully. The cathode band is marked on the body; orientation matters because this is a unidirectional device. That 175°C ceiling is the die temperature, not the ambient — in a 125°C under-hood ambient, the self-heating from a 1.5 kW pulse adds maybe 30°C, leaving 20°C margin before the junction limit. If the board sits near an exhaust manifold, derate the peak pulse power or move the TVS to a cooler spot. ## Sourcing posture for this active automotive TVS The 1.5KE350AHB0G is a single-source part from Taiwan Semiconductor. If a second-source is needed for supply security, a parametric search across the 1.5 kW, 300 V standoff class is the next step — but the AEC-Q101 grade narrows the field significantly.","metaTitle":"1.5KE350AHB0G TVS Diode, 1.5kW, 300V Standoff, DO-201","metaDescription":"Taiwan Semiconductor 1.5KE350AHB0G Zener TVS, 1500W peak pulse, 300V reverse standoff, AEC-Q101 automotive grade. Active production, sourced per RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Circuit Protection"],"specifications":{"Mfr":"Taiwan Semiconductor Corporation","Type":"Zener","Grade":"Automotive","Series":"1.5KE","Package":"Bulk","Applications":"-","Mounting Type":"Through Hole","Qualification":"AEC-Q101","Package / Case":"DO-201AA, DO-27, Axial","Product Status":"Active","lifecycle_stage":"unknown","Power - Peak Pulse":"1500W (1.5kW)","Base Product Number":"1.5KE350","Operating Temperature":"-55°C ~ 175°C (TJ)","Power Line Protection":"No","Capacitance @ Frequency":"-","Supplier Device Package":"DO-201","Unidirectional Channels":"1","Voltage - Breakdown (Min)":"333V","Voltage - Clamping (Max) @ Ipp":"482V","Voltage - Reverse Standoff (Typ)":"300V","Current - Peak Pulse (10/1000µs)":"3.2A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.3617","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/a688563676897fea683fa9d5a5542f4e.pdf","sourceUrl":null},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/taiwan-semiconductor-corporation/1.5KE350AHB0G","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/1.5KE350AHB0G 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}}