{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1.5SMC27AH","brand":"Taiwan Semiconductor Corporation","brandSlug":"taiwan-semiconductor-corporation","productSlug":"1.5SMC27AH","canonicalUrl":"https://icboms.com/taiwan-semiconductor-corporation/1.5SMC27AH","factsUrl":"https://icboms.com/api/mcp/products/1.5SMC27AH","rawCanonicalId":null},"summary":{"shortDescription":"Taiwan Semiconductor Corporation 1.5SMC series Zener TVS diode, Automotive Grade, AEC-Q101, 1500W peak pulse power, 23.1V reverse standoff, DO-214AB (SMC) surface mount, Tape & Reel.","salesMarkdown":"## Automotive-grade transient suppression The 1.5SMC27AH: Its 23.1 V reverse standoff voltage and 37.5 V clamping at 42 A peak pulse current make it a fit for 24 V automotive and telecom rail protection where the nominal bus sits at 24 V and transients must be clamped before the downstream DC-DC converter's input rating. ## Clamping voltage and pulse current For a 24 V nominal rail with a 40 V absolute-maximum input on the downstream regulator, this clamp gives margin — the regulator sees 37.5 V worst-case, not the full transient. Breakdown voltage min is 25.7 V, so the diode starts conducting between 25.7 V and the standoff voltage of 23.1 V. This 2.6 V window means the part does not leak appreciably at the 24 V bus voltage but triggers before the rail exceeds the downstream components' ratings. Single unidirectional channel — one diode per package. For a bidirectional rail, two parts or a bidirectional variant from the same series would be needed. DO-214AB (SMC) surface-mount package — the larger SMC body compared to SMA/SMB handles the 1500 W pulse without exceeding the package's thermal limit. Supplied in Tape & Reel for automated pick-and-place assembly. The part is not power-line protected — it is designed for signal and low-power DC rail transient suppression, not AC mains.","metaTitle":"1.5SMC27AH TVS Diode, 1500W, 23.1V Standoff, AEC-Q101","metaDescription":"Taiwan Semiconductor 1.5SMC27AH Zener TVS, 1500W peak pulse, 23.1V reverse standoff, AEC-Q101 automotive grade. Active production, sourced to order.","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":"1.5SMC","Package":"Tape & Reel (TR)","Applications":"Telecom","Mounting Type":"Surface Mount","Qualification":"AEC-Q101","Package / Case":"DO-214AB, SMC","Product Status":"Active","lifecycle_stage":"unknown","Power - Peak Pulse":"1500W (1.5kW)","Base Product Number":"1.5SMC27","Operating Temperature":"-55°C ~ 150°C (TJ)","Power Line Protection":"No","Capacitance @ Frequency":"-","Supplier Device Package":"DO-214AB (SMC)","Unidirectional Channels":"1","Voltage - Breakdown (Min)":"25.7V","Voltage - Clamping (Max) @ Ipp":"37.5V","Voltage - Reverse Standoff (Typ)":"23.1V","Current - Peak Pulse (10/1000µs)":"42A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.2104","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/27589dc0395adbfdea6b0bb9d6ef5221.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/1.5SMC27AH/alternatives.json"},"ai":{"faq":[{"question":"What is 1.5SMC27AH's listed type and grade?","answer":"The device type is Zener and the grade is Automotive, with AEC-Q101 qualification confirming it meets automotive reliability standards."},{"question":"What is the peak pulse power rating and clamping voltage?","answer":"Peak pulse power is 1500 W (1.5 kW) for a 10/1000 µs waveform. Reverse standoff voltage is 23.1 V."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/taiwan-semiconductor-corporation/1.5SMC27AH","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/1.5SMC27AH 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}}