{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1.5KE39CAHE3_A/D","brand":"Vishay General Semiconductor - Diodes Division","brandSlug":"vishay-general-semiconductor-diodes-division","productSlug":"1.5KE39CAHE3_A-D","canonicalUrl":"https://icboms.com/vishay-general-semiconductor-diodes-division/1.5KE39CAHE3_A-D","factsUrl":"https://icboms.com/api/mcp/products/1.5KE39CAHE3_A%2FD","rawCanonicalId":null},"summary":{"shortDescription":"Vishay General Semiconductor - Diodes Division, TransZorb® Automotive series, bidirectional TVS diode, 1.5KE39CAHE3_A/D, 1500W peak pulse power, 33.3V reverse standoff, DO-201AA axial through-hole package.","salesMarkdown":"## 1500W bidirectional TVS for 33.3V automotive rails The 1.5KE39CAHE3_A/D is a 1500W bidirectional Zener TVS diode from Vishay's TransZorb® series, rated for 33.3V reverse standoff with a breakdown voltage range starting at 37.1V. The -55°C to 175°C operating junction range covers the engine bay thermal profile with margin. ## Clamping and pulse handling The 53.9V maximum clamping voltage at 27.8A peak pulse current defines the voltage the downstream circuitry must survive. For a 33.3V rail, this gives roughly 20V of headroom above the nominal bus — typical for 12V and 24V automotive systems where load-dump and inductive kick transients can exceed 40V. The bidirectional configuration means a single device clamps both positive and negative surges — no polarity concern on AC or floating DC lines. ## Package and board integration Supplied in the DO-201AA (DO-27) axial through-hole package, the 1.5KE39CAHE3_A/D mounts with leads formed for PCB insertion or point-to-point wiring. The through-hole body handles the thermal pulse of a 1500W transient better than a comparable SMD package — the lead frame and glass passivated junction sink heat into the board copper. Packaged in Tape & Box (TB), suitable for hand-insertion or selective soldering processes. The base product number 1.5KE39 covers the full family; the HE3 suffix denotes the AEC-Q101 automotive grade with the high-reliability screening. ## Sourcing and lifecycle posture The sealed-reel packaging with consistent date codes supports lot traceability for automotive PPAP requirements.","metaTitle":"Vishay 1.5KE39CAHE3_A/D 1500W Bidirectional TVS","metaDescription":"Vishay 1.5KE39CAHE3_A/D TransZorb TVS diode, 1500W peak pulse, 33.3V reverse standoff, AEC-Q101 automotive grade. Active production, sourced per RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Circuit Protection"],"specifications":{"Mfr":"Vishay General Semiconductor - Diodes Division","Type":"Zener","Series":"Automotive, AEC-Q101, TransZorb®","Package":"Tape & Box (TB)","Applications":"Automotive","Mounting Type":"Through Hole","Package / Case":"DO-201AA, DO-27, Axial","Product Status":"Active","lifecycle_stage":"unknown","Power - Peak Pulse":"1500W (1.5kW)","Base Product Number":"1.5KE39","Operating Temperature":"-55°C~175°C(TJ)","Power Line Protection":"No","Bidirectional Channels":"1","Capacitance @ Frequency":"-","Supplier Device Package":"1.5KE","Voltage - Breakdown (Min)":"37.1V","Voltage - Clamping (Max) @ Ipp":"53.9V","Voltage - Reverse Standoff (Typ)":"33.3V","Current - Peak Pulse (10/1000µs)":"27.8A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.5346","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/cbd949ebcf4c95d5b4ea8fdecf87536f.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the closest pin-compatible alternative to 1.5KE39CAHE3_A/D in this Circuit Protection family?","answer":"The 1.5KE39CAHE3_A/D is a specific AEC-Q101 qualified variant of the 1.5KE39 base product; the non-automotive 1.5KE39CA (without the HE3 suffix) shares the same electrical ratings but lacks the automotive reliability screening. For a drop-in replacement with identical ratings, order the exact 1.5KE39CAHE3_A/D part number."},{"question":"What compliance documentation does Vishay provide for 1.5KE39CAHE3_A/D?","answer":"As an AEC-Q101 qualified automotive component, Vishay provides a PPAP (Production Part Approval Process) package and RoHS compliance documentation. The TransZorb series is also UL recognized under file E54222. Specific certificates are available upon request with the RFQ."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/vishay-general-semiconductor-diodes-division/1.5KE39CAHE3_A-D","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/1.5KE39CAHE3_A-D 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}}