{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"SMBJ48CA-13","brand":"Diodes Incorporated","brandSlug":"diodes-inc","productSlug":"SMBJ48CA-13","canonicalUrl":"https://icboms.com/diodes-inc/SMBJ48CA-13","factsUrl":"https://icboms.com/api/mcp/products/SMBJ48CA-13","rawCanonicalId":null},"summary":{"shortDescription":"Diodes Incorporated SMBJ series bidirectional Zener TVS diode, 48V reverse standoff, 600W peak pulse power, 77.4V clamping, DO-214AA SMB package, Tape & Reel.","salesMarkdown":"## TVS protection window and what it guards The SMBJ48CA-13: Its reverse standoff voltage of 48 V means the part does not conduct at the operating voltage — it only activates when the line exceeds that threshold. That 24 V window between standoff and clamp defines the protection margin for the downstream circuitry. ## 600 W peak pulse — what the rating means on a real board The 7.7 A peak pulse current is the current the device shunts at the clamping voltage — it tells you the surge the junction can absorb before failure. The bidirectional configuration means a single device protects both positive and negative transients relative to ground, which halves the component count on bipolar signal lines like RS-485 or CAN bus. Housed in the DO-214AA SMB package with the supplier device package designation SMB, this surface-mount TVS uses the standard JEDEC footprint for that outline. The operating temperature range spans -55°C to 150°C, which covers both commercial and industrial environments without derating concerns. The part is specified for general-purpose applications and explicitly carries no power line protection rating, so it is intended for signal and data-line transient suppression rather than mains or DC bus clamping.","metaTitle":"SMBJ48CA-13 Diodes Zener TVS 600W Bidirectional SMB","metaDescription":"SMBJ48CA-13 bidirectional Zener TVS diode, 48V standoff, 600W peak pulse, 77.4V clamp, DO-214AA SMB. Active production. Order now.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Circuit Protection"],"specifications":{"Mfr":"Diodes Incorporated","Type":"Zener","Series":"SMBJ","Package":"Tape & Reel (TR)","Applications":"General Purpose","Mounting Type":"Surface Mount","Package / Case":"DO-214AA, SMB","lifecycle_stage":"eol_hot","Power - Peak Pulse":"600W","Base Product Number":"SMBJ48","Operating Temperature":"-55°C~150°C(TJ)","Power Line Protection":"No","Bidirectional Channels":"1","Capacitance @ Frequency":"-","Supplier Device Package":"SMB","Voltage - Breakdown (Min)":"53.3V","Voltage - Clamping (Max) @ Ipp":"77.4V","Voltage - Reverse Standoff (Typ)":"48V","Current - Peak Pulse (10/1000µs)":"7.7A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.3480","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/5082cff9e06e9e3934f006f5710ece61.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Is SMBJ48CA-13 suitable for 48 V power rail protection?","answer":"The reverse standoff voltage is 48 V, which matches a 48 V nominal rail. However, the part is explicitly rated for general-purpose applications and carries no power line protection designation, so it is best suited for signal or data-line transient suppression rather than high-energy mains or DC bus clamping."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/diodes-inc/SMBJ48CA-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/SMBJ48CA-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}}