{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1.5SMC62C","brand":"Littelfuse Inc.","brandSlug":"littelfuse-inc","productSlug":"1.5SMC62C","canonicalUrl":"https://icboms.com/littelfuse-inc/1.5SMC62C","factsUrl":"https://icboms.com/api/mcp/products/1.5SMC62C","rawCanonicalId":null},"summary":{"shortDescription":"Littelfuse 1.5SMC62C bidirectional Zener TVS diode, 53V reverse standoff, 1500W peak pulse (10/1000µs), 89.25V clamping @ 17.9A, DO-214AB SMC, surface mount, -55°C~150°C TJ.","salesMarkdown":"The 1.5SMC62C: The 1.5SMC series is Littelfuse's 1500W peak-pulse TVS family in the SMC (DO-214AB) package. The 62 in the part number sets the nominal reverse standoff at 53V — that is the working voltage the protected rail sits at during normal operation. The C suffix designates the bidirectional variant, meaning the same clamping characteristic applies in both polarities — suited for AC rails or for protecting differential signal pairs without needing two unidirectional devices. For a board-level TVS sitting on a populated rail, that 150°C TJ ceiling gives substantial headroom above typical industrial ambient ratings — the device can be mounted closer to thermally active components without derating concerns, provided the transient energy budget stays within the 1500W peak-pulse rating. ## Mounting and sourcing reality for the DO-214AB SMC package The SMC (DO-214AB) is a surface-mount package — it reflow-solders to the PCB landing pad. Standard SnAgCu paste profile works; no special thermal considerations beyond the normal IPC/JEDEC reflow window. The tape-and-reel packaging (TR) is the standard reel size for SMC, which means automated pick-and-place throughput is unaffected — reel diameters match standard feeder specs. The part is obsolete — no new production, no recommended replacement from Littelfuse's current 1.5SMC series lineup. Sourcing runs through independent distribution and surplus channels where original factory-reel stock with verified date-codes is available. Lot-date consistency matters here: a mixed-date reel is a red flag for repackaged returns, while a sealed factory reel from one clean production run holds its value as genuine factory excess. ## Common uses for the 1.5SMC family in Circuit Protection General-purpose TVS diodes like the 1.5SMC62C sit on power rails and signal lines to clamp lightning-induced transients and inductive kickback. The 53V standoff rating positions it for 48V industrial rails, 24V/30V supply lines, and CAN/LIN bus overvoltage protection in automotive and telecom equipment. The peak pulse rating of 1500W handles the 8/20µs surge currents specified in IEC 61000-4-5 without degradation for single-event transients.","metaTitle":"Littelfuse 1.5SMC62C Zener TVS Diode, 53V, DO-214AB","metaDescription":"Littelfuse 1.5SMC62C bidirectional Zener TVS, 53V standoff, 1500W peak pulse, DO-214AB SMC. Obsolete — quoted to order through independent distribution.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["Circuit Protection"],"specifications":{"Mfr":"Littelfuse Inc.","Type":"Zener","Series":"1.5SMC","Package":"Tape & Reel (TR)","Applications":"General Purpose","Mounting Type":"Surface Mount","Package / Case":"DO-214AB, SMC","Product Status":"Obsolete","lifecycle_stage":"unknown","Power - Peak Pulse":"1500W (1.5kW)","Base Product Number":"1.5SMC","Operating Temperature":"-55°C~150°C(TJ)","Power Line Protection":"No","Bidirectional Channels":"1","Capacitance @ Frequency":"-","Supplier Device Package":"DO-214AB (SMCJ)","Voltage - Breakdown (Min)":"55.8V","Voltage - Clamping (Max) @ Ipp":"89.25V","Voltage - Reverse Standoff (Typ)":"53V","Current - Peak Pulse (10/1000µs)":"17.9A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.6700","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/118f1b70ec0f0941665a20e5472af60a.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/1.5SMC62C/alternatives.json"},"ai":{"faq":[{"question":"What TVS voltage should I look at as a replacement for 1.5SMC62C?","answer":"Pin-compatible replacements in the same SMC package exist across the 1.5SMC series — the replacement's standoff voltage should match or slightly exceed the 53V working voltage of the protected rail. Check the current series datasheet for the closest standoff match above 53V and confirm the peak pulse rating (1.5 kW is standard for this series). A different part number with the same package and voltage rating is the correct cross-reference — board layout does not change."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/littelfuse-inc/1.5SMC62C","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/littelfuse-inc/1.5SMC62C when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-21T09:49:28.690Z","lastPublished":"2026-07-21T09:49:28.690Z","indexable":true}}