{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"P6KE18A-T","brand":"Diodes Incorporated","brandSlug":"diodes-inc","productSlug":"P6KE18A-T","canonicalUrl":"https://icboms.com/diodes-inc/P6KE18A-T","factsUrl":"https://icboms.com/api/mcp/products/P6KE18A-T","rawCanonicalId":null},"summary":{"shortDescription":"Diodes Incorporated P6KE Series Zener TVS Diode, Unidirectional, 600W Peak Pulse, DO-204AC / DO-15 Axial, Tape & Reel, P6KE18A-T.","salesMarkdown":"## 600W Zener TVS — what the ratings mean for a 15.3V rail The P6KE18A-T: The 17.1 V minimum breakdown ensures the device does not conduct during normal operation, while the 25.2 V maximum clamping at 24 A peak pulse current (10/1000 µs waveform) defines the voltage the protected circuit must survive. For a 12 V or 15 V supply rail, this clamping window provides margin above the rail without triggering on normal ripple. The unidirectional configuration (one channel) means the TVS conducts only in reverse breakdown — it clamps positive transients above the standoff voltage. For circuits that also see negative spikes relative to ground, a bidirectional device or back-to-back pair is required. The part carries no power line protection rating — it is intended for signal or DC rail transient suppression, not AC mains surge clamping. Confirm the application does not require a mains-rated MOV or GDT. ## DO-15 axial — board-fit considerations Housed in the DO-204AC (DO-15) axial-lead through-hole package, the P6KE18A-T is a standard form factor for hand-solder or wave-solder assembly. The axial leads require bending for vertical or horizontal board mounting — allow stress relief bends near the body to avoid cracking the glass passivation during thermal cycling. The DO-15 footprint is shared across the P6KE series, so a single PCB layout serves the full voltage range. The junction temperature range spans -55°C to 175°C, covering military and industrial thermal environments — engine compartments, outdoor telecom cabinets, and avionics bays. However, this temperature rating alone does not imply radiation hardness or MIL-PRF screening; it is a standard commercial Zener TVS specified for general-purpose use. Diodes Incorporated lists the P6KE18A-T as obsolete. The P6KE series is a mature TVS family with broad voltage coverage. The procurement path for this exact part is surplus sourcing; confirm lead time and pricing per RFQ.","metaTitle":"P6KE18A-T Diodes Inc Zener TVS, 600W, DO-15","metaDescription":"P6KE18A-T TVS diode, 600W peak pulse, 15.3V standoff, 25.2V clamp, DO-15 axial. Obsolete — sourced to order against RFQ through independent distribution.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["Circuit Protection"],"specifications":{"Mfr":"Diodes Incorporated","Type":"Zener","Series":"P6KE","Package":"Tape & Reel (TR)","Applications":"General Purpose","Mounting Type":"Through Hole","Package / Case":"DO-204AC, DO-15, Axial","Product Status":"Obsolete","lifecycle_stage":"eol_hot","Power - Peak Pulse":"600W","Base Product Number":"P6KE18","Operating Temperature":"-55°C~175°C(TJ)","Power Line Protection":"No","Capacitance @ Frequency":"-","Supplier Device Package":"DO-15","Unidirectional Channels":"1","Voltage - Breakdown (Min)":"17.1V","Voltage - Clamping (Max) @ Ipp":"25.2V","Voltage - Reverse Standoff (Typ)":"15.3V","Current - Peak Pulse (10/1000µs)":"24A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/8069264fd616209624e252e56a5326bb.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Is P6KE18A-T discontinued?","answer":"Yes, Diodes Incorporated marks the P6KE18A-T as obsolete. Sourcing is through independent surplus channels — availability and pricing are confirmed per RFQ."},{"question":"Is P6KE18A-T suitable for AC mains surge protection?","answer":"No. The datasheet specifies 'Power Line Protection: No' — this is a signal or DC rail TVS, not a mains-rated surge suppressor. For AC line clamping, use a MOV or a TVS rated for power-line application."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/diodes-inc/P6KE18A-T","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/diodes-inc/P6KE18A-T when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-19T21:35:35.923Z","lastPublished":"2026-07-19T21:35:35.923Z","indexable":true}}