{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1.5KE150CA-E3/51","brand":"Vishay General Semiconductor - Diodes Division","brandSlug":"vishay-general-semiconductor-diodes-division","productSlug":"1.5KE150CA-E3-51","canonicalUrl":"https://icboms.com/vishay-general-semiconductor-diodes-division/1.5KE150CA-E3-51","factsUrl":"https://icboms.com/api/mcp/products/1.5KE150CA-E3%2F51","rawCanonicalId":null},"summary":{"shortDescription":"Vishay General Semiconductor - Diodes Division TransZorb® series, TVS diode, Type Zener, Bidirectional, 1 Channel, 128V Reverse Standoff, 207V Clamp, 1500W Peak Pulse, DO-201AA/DO-27 Axial, Through Hole, Bulk.","salesMarkdown":"## Last-buy lifecycle — plan your BOM now The 1.5KE150CA-E3/51: Vishay has flagged this part as Last Buy — the last-time-buy window is open, not closed. For a production line that depends on the 1.5KE150CA-/51, this means the procurement clock is running: once the window closes, the only source will be surplus and broker channels. ## 207 V clamp at 7.2 A — what the 10/1000 µs rating means The 1.5KE150CA-/51 clamps at 207 V maximum when hit with a 7.2 A peak-pulse current in the standard 10/1000 µs waveform. That 1500 W peak-pulse rating is the product of clamp voltage and peak current — a transient that stays within this energy envelope is safely shunted without damaging the diode. The 143 V minimum breakdown voltage and 128 V reverse standoff mean the device stays transparent on a nominal 120 VAC rail but starts conducting before the rail exceeds 143 V, protecting downstream silicon rated for 200 V or less. ## Bidirectional single-channel — one part covers both polarities A single bidirectional channel handles transients of either polarity, which simplifies the BOM on AC lines or on DC rails where the return path is not referenced to ground. The DO-201AA / DO-27 axial-lead package suits through-hole assembly — the body is large enough to dissipate the pulse energy without a heatsink, and the axial leads let it sit in a wire-loop or stand-off mounting style depending on board clearance. Rated for continuous junction temperature from -55 °C to 175 °C, the 1.5KE150CA-/51 fits outdoor telecom cabinets, industrial motor drives, and under-hood automotive modules where ambient temperatures push past 85 °C. The 175 °C TJ(max) gives margin above the standard 150 °C limit — useful when the TVS sits near a hot power supply or in a sealed enclosure with limited airflow. ## Sourcing reality for a last-buy TVS As a Last Buy part, the 1.5KE150CA-/51 is available through our independent distribution channels while the Vishay window holds. For a BOM that needs this exact Vishay TransZorb, the smart move is to secure the last-buy quantity now and, in parallel, qualify a second-source TVS with matching 128 V standoff and 1500 W peak-pulse capability to cover the post-EOL gap.","metaTitle":"1.5KE150CA-E3/51 Vishay TransZorb, 1500W Bidirectional TVS","metaDescription":"Vishay 1.5KE150CA-E3/51 TransZorb bidirectional TVS diode, 1500W peak pulse, 128V standoff, 207V clamp. Last Buy — sourced to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Last Buy","categoryPath":["Circuit Protection"],"specifications":{"Mfr":"Vishay General Semiconductor - Diodes Division","Type":"Zener","Series":"TransZorb®","Package":"Bulk","Applications":"General Purpose","Mounting Type":"Through Hole","Package / Case":"DO-201AA, DO-27, Axial","Product Status":"Last Time Buy","lifecycle_stage":"unknown","Power - Peak Pulse":"1500W (1.5kW)","Base Product Number":"1.5KE150","Operating Temperature":"-55°C~175°C(TJ)","Power Line Protection":"No","Bidirectional Channels":"1","Capacitance @ Frequency":"-","Supplier Device Package":"1.5KE","Voltage - Breakdown (Min)":"143V","Voltage - Clamping (Max) @ Ipp":"207V","Voltage - Reverse Standoff (Typ)":"128V","Current - Peak Pulse (10/1000µs)":"7.2A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.8847","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/cbd949ebcf4c95d5b4ea8fdecf87536f.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Where can I buy 1.5KE150CA-/51 and get a price?","answer":"We source the 1.5KE150CA-/51 through independent distribution channels."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/vishay-general-semiconductor-diodes-division/1.5KE150CA-E3-51","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/vishay-general-semiconductor-diodes-division/1.5KE150CA-E3-51 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-20T14:34:45.345Z","lastPublished":"2026-07-20T14:34:45.345Z","indexable":true}}