{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1.5SMC7.5AHE3/57T","brand":"Vishay General Semiconductor - Diodes Division","brandSlug":"vishay-general-semiconductor-diodes-division","productSlug":"1.5SMC7.5AHE3-57T","canonicalUrl":"https://icboms.com/vishay-general-semiconductor-diodes-division/1.5SMC7.5AHE3-57T","factsUrl":"https://icboms.com/api/mcp/products/1.5SMC7.5AHE3%2F57T","rawCanonicalId":null},"summary":{"shortDescription":"Vishay General Semiconductor, Automotive AEC-Q101, 1.5SMC TransZorb® TVS diode, 1500W peak pulse, 6.4V standoff, 11.3V clamping @ 133A, unidirectional, DO-214AB SMC, surface mount, Tape & Reel.","salesMarkdown":"## What the 1.5SMC series does in an automotive circuit The 1.5SMC7.5AHE3/57T is a unidirectional TVS diode (Transient Voltage Suppressor) — Vishay calls it a TransZorb®, their trade name for the glass-passivated junction construction that gives better peak pulse stability than a plain Zener. At 6.4 V typical reverse standoff voltage, the device sits below the clamping threshold during normal operation and presents a high-impedance leak path. The 1500 W peak pulse power rating (1.5 kW) is the device's survivable energy ceiling for a standard 10/1000 µs test wave — this is the rating that determines whether the diode clears a load-dump spike on a 12 V automotive rail without going into thermal runaway. AEC-Q101 qualification means the part passed the automotive council's stress battery — temperature cycling, humidity, gate bias, and mechanical shock — so it is cleared for under-hood and chassis-domain deployment, not just cabin comfort electronics. The 150 °C maximum junction temperature is the thermal limit that governs the derating curve: above 125 °C the available peak pulse current begins to fall, so in a high-ambient application the board designer needs to verify the transient energy budget against the junction temperature rise rather than relying on the 25 °C datasheet number alone. ## DO-214AB SMC footprint and surface-mount handling The DO-214AB (SMC) package is the standard SMC outline — two Gull-wing leads on a rectangular body, 3.95 mm body width — so it solders with a standard reflow profile and mates to the same thermal pad footprint as any other SMC device in this class. Tape & Reel packaging means it ships on a 7-inch or 13-inch reel depending on the distributor's cut: confirm the reel diameter and trailing tape width against the pick-and-place feeder capacity. Surface-mount devices in the SMC package are not typically moisture-sensitive to the same degree as BGA or QFP parts, but keeping reels sealed in a dry cabinet between reel changes is standard practice in high-humidity assembly environments. No official successor or cross-reference family member is cited in the ledger for this exact voltage class — the 1.5SMC series is a long-standing Vishay line, so any sourcing conversation should confirm the exact voltage standoff and polarity before committing to a substitute from a different date-code or supplier lot. Quoted to order through independent distribution; availability and pricing confirmed at RFQ time.","metaTitle":"Vishay 1.5SMC7.5AHE3/57T TVS Diode, 1500W, 6.4V Standoff","metaDescription":"Vishay 1.5SMC7.5AHE3/57T unidirectional TVS diode, 1500W peak pulse, 6.4V standoff, 11.3V clamping, AEC-Q101, DO-214AB SMC. Active production, quoted to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Circuit Protection"],"specifications":{"Mfr":"Vishay General Semiconductor - Diodes Division","Type":"Zener","Series":"Automotive, AEC-Q101, 1.5SMC, TransZorb®","Package":"Tape & Reel (TR)","Applications":"Automotive","Mounting Type":"Surface Mount","Package / Case":"DO-214AB, SMC","lifecycle_stage":"unknown","Power - Peak Pulse":"1500W (1.5kW)","Base Product Number":"1.5SMC7.5","Operating Temperature":"-65°C~150°C(TJ)","Power Line Protection":"No","Capacitance @ Frequency":"-","Supplier Device Package":"DO-214AB (SMCJ)","Unidirectional Channels":"1","Voltage - Breakdown (Min)":"7.13V","Voltage - Clamping (Max) @ Ipp":"11.3V","Voltage - Reverse Standoff (Typ)":"6.4V","Current - Peak Pulse (10/1000µs)":"133A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/de7dd597f6fdc3f56660f78f3e5a960d.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/1.5SMC7.5AHE3%2F57T/alternatives.json"},"ai":{"faq":[{"question":"Is the 1.5SMC7.5AHE3/57T available via RFQ confirmation and what is the lead time?","answer":"Quoted to order through independent distribution — availability and current lead times are confirmed against the RFQ quantity, not held as shelf inventory."},{"question":"What voltage does the 1.5SMC7.5AHE3/57T actually clamp at during a surge?","answer":"The device starts conducting above its minimum breakdown voltage of 7.13 V; the typical standoff is 6.4 V, which is the working voltage the circuit sees during normal operation."},{"question":"Can the 1.5SMC7.5AHE3/57T replace a standard SMC TVS in a non-automotive design?","answer":"Pin-compatible with any unidirectional SMC-package TVS of the same voltage class — the 1.5SMC7.5AHE3/57T is a 6.4 V standoff device. The AEC-Q101 grade adds automotive qualification and a wider junction temperature range (-65 to 150 °C), which is not a hindrance in industrial or telecom applications, provided the voltage standoff matches the design."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/vishay-general-semiconductor-diodes-division/1.5SMC7.5AHE3-57T","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/vishay-general-semiconductor-diodes-division/1.5SMC7.5AHE3-57T 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}}