{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"SMCJ54A-13","brand":"Diodes Incorporated","brandSlug":"diodes-inc","productSlug":"SMCJ54A-13","canonicalUrl":"https://icboms.com/diodes-inc/SMCJ54A-13","factsUrl":"https://icboms.com/api/mcp/products/SMCJ54A-13","rawCanonicalId":null},"summary":{"shortDescription":"Diodes Incorporated SMCJ54A-13 TVS Zener diode, 1500W peak pulse power, 54V reverse standoff, 87.1V clamping, DO-214AB SMC package, unidirectional.","salesMarkdown":"## 1.5 kW surge clamp for 54 V rails The SMCJ54A-13: It clamps a 54 V nominal rail at 87.1 V maximum, handling 17.2 A of peak pulse current before the junction temperature hits the limit. That 1.5 kW rating means it absorbs a transient that would otherwise punch through a downstream regulator or controller — the energy gets shunted to ground through the Zener avalanche junction, not through the silicon of the protected device. ## Voltage window and polarity Reverse standoff voltage is 54 V — the rail runs at this level in normal operation with negligible leakage. Breakdown starts at 60 V minimum, and the clamp engages at 87.1 V maximum, giving a tight protection window for a 48-54 V bus. Single unidirectional channel means the cathode band on the DO-214AB package must face the rail being protected. Reverse the orientation and the diode forward-conducts at roughly 1 V, which is a dead short on a 54 V bus. ## Package and board-fit DO-214AB (SMC) body, surface-mount, with the cathode band marking the unidirectional orientation. The copper pad area under the package on the PCB sets the thermal impedance — a solid pour on the cathode side pulls heat out of the junction during the surge event.","metaTitle":"SMCJ54A-13 Diodes Inc TVS, 1.5kW, 54V, DO-214AB","metaDescription":"SMCJ54A-13 unidirectional TVS diode, 1500W peak pulse power, 54V standoff, 87.1V clamp. Active production. Sourced to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Circuit Protection"],"specifications":{"Mfr":"Diodes Incorporated","Type":"Zener","Series":"-","Package":"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)","Operating Temperature":"-55°C~150°C(TJ)","Power Line Protection":"No","Capacitance @ Frequency":"-","Supplier Device Package":"SMC","Unidirectional Channels":"1","Voltage - Breakdown (Min)":"60V","Voltage - Clamping (Max) @ Ipp":"87.1V","Voltage - Reverse Standoff (Typ)":"54V","Current - Peak Pulse (10/1000µs)":"17.2A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$1.2500","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":null},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/diodes-inc/SMCJ54A-13","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/diodes-inc/SMCJ54A-13 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}}