{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"SMBJ13CAE3/TR13","brand":"Microchip Technology","brandSlug":"microchip","productSlug":"SMBJ13CAE3-TR13","canonicalUrl":"https://icboms.com/microchip/SMBJ13CAE3-TR13","factsUrl":"https://icboms.com/api/mcp/products/SMBJ13CAE3%2FTR13","rawCanonicalId":null},"summary":{"shortDescription":"Microchip Technology SMBJ13CAE3/TR13, Zener TVS diode, bidirectional, 13V reverse standoff, 21.5V clamping at 27.9A, 600W peak pulse power, DO-214AA (SMB) surface-mount package, tape and reel.","salesMarkdown":"## What the 21.5V clamp means for your 13V rail When a surge hits, the diode breaks down at a minimum of 14.4V and clamps the voltage to a maximum of 21.5V while conducting 27.9A of peak pulse current (10/1000µs waveform). That 21.5V ceiling is the number your downstream components must survive — if your 13V rail feeds a regulator rated for 20V absolute max, this clamp is too tight; you need a lower-clamping part. ## 600W peak pulse — sizing the protection margin For a 13V rail, a typical 600W TVS can handle a 27.9A surge before the junction temperature exceeds the -65°C to 150°C operating range. If your application sees repetitive surges or longer pulse widths, derate the peak power per the datasheet curve — the 600W figure is for a single pulse at 25°C. ## DO-214AA footprint — board-level fit check The package is DO-214AA (SMB), a common surface-mount footprint for TVS diodes in the 600W class. If your existing PCB has a DO-214AA land pattern, this part drops in without layout changes. Confirm the pad dimensions against the Microchip datasheet — the SMB package has a typical body width of 3.6 mm and length of 4.6 mm.","metaTitle":"SMBJ13CAE3/TR13 TVS Diode – 13V Bidirectional, 600W","metaDescription":"Microchip SMBJ13CAE3/TR13 Zener TVS diode: 13V reverse standoff, 21.5V clamp at 27.9A, 600W peak pulse, bidirectional, DO-214AA. Active production.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Circuit Protection"],"specifications":{"Mfr":"Microchip Technology","Type":"Zener","Series":"-","Package":"Tape & Reel (TR)","Applications":"General Purpose","Mounting Type":"Surface Mount","Package / Case":"DO-214AA, SMB","Product Status":"Active","lifecycle_stage":"eol_hot","Power - Peak Pulse":"600W","Base Product Number":"SMBJ13","Operating Temperature":"-65°C~150°C(TJ)","Power Line Protection":"No","Bidirectional Channels":"1","Capacitance @ Frequency":"-","Supplier Device Package":"SMBJ (DO-214AA)","Voltage - Breakdown (Min)":"14.4V","Voltage - Clamping (Max) @ Ipp":"21.5V","Voltage - Reverse Standoff (Typ)":"13V","Current - Peak Pulse (10/1000µs)":"27.9A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.3000","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/f566c62ad8bf6be9ecf452f6999d0b7a.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Is SMBJ13CAE3/TR13 a bidirectional diode?","answer":"Yes, it has 1 bidirectional channel, meaning it clamps both positive and negative transients relative to ground. This is typical for AC signal lines or ungrounded DC rails where polarity can reverse during a surge."},{"question":"What is the difference between SMBJ13CAE3/TR13 and SMBJ13A?","answer":"The SMBJ13A is a unidirectional version of the same 13V TVS, while the SMBJ13CAE3/TR13 is bidirectional. The 'C' in the order code indicates bidirectional; the 'A' indicates a 5% tolerance on breakdown voltage. The '' suffix typically denotes lead-free / RoHS-compliant finish. Both share the same DO-214AA package and 600W peak pulse rating."},{"question":"Is SMBJ13CAE3/TR13 compatible with DO-214AA footprint?","answer":"Yes, the package / case is DO-214AA (SMB) and the supplier device package is listed as SMBJ (DO-214AA). It is a direct fit for any PCB land pattern designed for the standard SMB footprint."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/microchip/SMBJ13CAE3-TR13","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/microchip/SMBJ13CAE3-TR13 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}}