{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"SM15T100CA","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"SM15T100CA","canonicalUrl":"https://icboms.com/stmicroelectronics/SM15T100CA","factsUrl":"https://icboms.com/api/mcp/products/SM15T100CA","rawCanonicalId":null},"summary":{"shortDescription":"STMicroelectronics SM15T100CA, TRANSIL™ series, Zener TVS diode, bidirectional, 1500W peak pulse power, 85.5V reverse standoff, 178V clamping, DO-214AB SMC package, surface mount, -55°C to 150°C junction temperature.","salesMarkdown":"## TVS diode for 85.5 V rails — what the ratings mean The STMicroelectronics SM15T100CA is a bidirectional Zener transient voltage suppressor from the TRANSIL™ series, designed to clamp overvoltage events on a nominal 85.5 V DC rail. Its 1500 W peak pulse power rating (10/1000 µs waveform) means it can absorb a single 56 A surge pulse before the clamping voltage reaches 178 V. This is a protection device, not a regulator — it sits across the rail and stays invisible until the voltage exceeds the 95 V minimum breakdown threshold. The DO-214AB (SMC) surface-mount package handles the thermal transient of a 1500 W pulse without external heatsinking, provided the PCB copper area follows the datasheet's recommended land pattern. New designs can commit this part without worrying about a sudden discontinuation window. The base part number SM15T100 covers both the bidirectional (CA) and unidirectional (A) variants, all in the same SM15T series.","metaTitle":"STMicro SM15T100CA TVS Diode, 1500W Bidirectional, DO-214AB","metaDescription":"STMicro SM15T100CA Zener TVS diode, 1500W peak pulse, 85.5V standoff, bidirectional, DO-214AB SMC. Active lifecycle.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Circuit Protection"],"specifications":{"Mfr":"STMicroelectronics","Type":"Zener","Series":"SM15T, TRANSIL™","Package":"Tape & Reel (TR); Cut Tape (CT)","Applications":"General Purpose","Mounting Type":"Surface Mount","Package / Case":"DO-214AB, SMC","Product Status":"Active","lifecycle_stage":"eol_hot","Power - Peak Pulse":"1500W (1.5kW)","Base Product Number":"SM15T100","Operating Temperature":"-55°C~150°C(TJ)","Power Line Protection":"No","Bidirectional Channels":"1","Capacitance @ Frequency":"-","Supplier Device Package":"SMC","Voltage - Breakdown (Min)":"95V","Voltage - Clamping (Max) @ Ipp":"178V","Voltage - Reverse Standoff (Typ)":"85.5V","Current - Peak Pulse (10/1000µs)":"56A (8/20µs)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.9700","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/539ce92ad6505c8a9d704773ec1ef151.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the difference between SM15T100CA and SM15T100A?","answer":"SM15T100CA is a bidirectional TVS (single device clamps both polarities), while SM15T100A is the unidirectional version. Both share the same 1500 W peak pulse power, 85.5 V standoff, and DO-214AB package. Choose the CA variant for AC lines or bipolar rails; use the A variant for a single-polarity DC rail where reverse surge protection is not needed."},{"question":"Is SM15T100CA RoHS compliant?","answer":"The SM15T100CA is listed as RoHS compliant per the STMicroelectronics product status. No separate non-RoHS variant is offered in the SM15T series."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/SM15T100CA","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/SM15T100CA when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-16T15:46:05.471Z","lastPublished":"2026-07-16T15:46:05.471Z","indexable":true}}