{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"P6KE91CA-T","brand":"Diodes Incorporated","brandSlug":"diodes-inc","productSlug":"P6KE91CA-T","canonicalUrl":"https://icboms.com/diodes-inc/P6KE91CA-T","factsUrl":"https://icboms.com/api/mcp/products/P6KE91CA-T","rawCanonicalId":null},"summary":{"shortDescription":"Diodes Incorporated P6KE91CA-T TVS Zener Diode, Bidirectional, 77.8V Standoff, 86.5V Breakdown, 125V Clamp, 600W Peak Pulse, DO-15 Axial, Tape & Reel.","salesMarkdown":"## 600W bidirectional transient suppressor — obsolete but still in the channel The P6KE91CA-T: Packaged in a through-hole DO-15 axial body (DO-204AC), it handles continuous ambient temperatures from -55°C to 175°C — suitable for industrial and automotive environments where board-level surge protection is needed on a 77.8V rail. ## What the ratings mean for your BOM The 77.8V reverse standoff (working voltage) means the diode will not conduct at normal rail voltage up to that level — it sits transparently across the line until a transient exceeds the 86.5V breakdown threshold. The 125V clamping voltage is the peak voltage the protected circuit sees under a 4.8A pulse; downstream components must survive that clamp level. Single bidirectional channel — one device protects both polarities on a single line, saving board space versus two unidirectional diodes in anti-series. ## Sourcing reality — obsolete, but available Diodes Incorporated has marked the P6KE91CA-T as Obsolete. No official successor or second-source is listed in the record. If a design-in is still open, consider pin-compatible TVS diodes in the same P6KE family with similar breakdown voltages — but no direct drop-in replacement is recorded here.","metaTitle":"Diodes P6KE91CA-T TVS, 600W, 77.8V Standoff, DO-15","metaDescription":"P6KE91CA-T bidirectional TVS diode, 600W peak pulse, 77.8V standoff, 125V clamp. Obsolete — sourced to order against RFQ. DO-15 axial, -55°C to 175°C.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["Circuit Protection"],"specifications":{"Mfr":"Diodes Incorporated","Type":"Zener","Series":"-","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":"P6KE91","Operating Temperature":"-55°C~175°C(TJ)","Power Line Protection":"No","Bidirectional Channels":"1","Capacitance @ Frequency":"-","Supplier Device Package":"DO-15","Voltage - Breakdown (Min)":"86.5V","Voltage - Clamping (Max) @ Ipp":"125V","Voltage - Reverse Standoff (Typ)":"77.8V","Current - Peak Pulse (10/1000µs)":"4.8A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.3955","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/8069264fd616209624e252e56a5326bb.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What package does P6KE91CA-T use?","answer":"Through-hole DO-15 axial (DO-204AC), supplied in Tape & Reel (TR). The supplier device package is DO-15."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/diodes-inc/P6KE91CA-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/P6KE91CA-T when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-19T21:36:19.821Z","lastPublished":"2026-07-19T21:36:19.821Z","indexable":true}}