{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1.5KE39CA/54","brand":"Vishay General Semiconductor - Diodes Division","brandSlug":"vishay-general-semiconductor-diodes-division","productSlug":"1.5KE39CA-54","canonicalUrl":"https://icboms.com/vishay-general-semiconductor-diodes-division/1.5KE39CA-54","factsUrl":"https://icboms.com/api/mcp/products/1.5KE39CA%2F54","rawCanonicalId":null},"summary":{"shortDescription":"Vishay General Semiconductor - Diodes Division TransZorb® TVS, Type Zener, Bidirectional, 1.5KE39CA/54, 1500W Peak Pulse, 33.3V Reverse Standoff, DO-201AA Axial, Tape & Reel.","salesMarkdown":"## Device identity and protection window The 1.5KE39CA/54: Its 33.3V reverse standoff voltage and 37.1V minimum breakdown voltage define the clamping threshold, with a maximum clamp of 53.9V at 27.8A peak pulse current. The bidirectional configuration means a single device clamps transients of either polarity — useful on AC signal lines or DC rails where the polarity could reverse during a fault. ## Package and board integration Housed in a DO-201AA (DO-27) axial-lead through-hole package, the 1.5KE39CA/54 mounts directly into a PCB or terminal block. The axial leads handle the thermal cycling of repetitive surges better than a surface-mount package of the same power rating — the lead frame conducts heat into the board copper. The Tape & Reel (TR) packaging variant (the /54 suffix) is the standard reel format for automated insertion equipment. No power-line protection is claimed — this device is intended for signal and low-voltage DC rail transient suppression, not mains AC clamping. ## Sourcing reality for an obsolete line item Vishay lists the 1.5KE39CA/54 as Obsolete. No official successor order code is recorded in the lifecycle data. If the board uses hand-insertion or low-volume assembly, the reel format still works — the parts are loose on the reel and can be cut from the carrier tape.","metaTitle":"1.5KE39CA/54 Vishay TransZorb TVS, 1500W, Bidirectional","metaDescription":"Obsolete 1.5KE39CA/54 Vishay TransZorb bidirectional TVS diode, 1500W peak pulse, 33.3V standoff, DO-201AA axial. Sourced to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["Circuit Protection"],"specifications":{"Mfr":"Vishay General Semiconductor - Diodes Division","Type":"Zener","Series":"TransZorb®","Package":"Tape & Reel (TR)","Applications":"General Purpose","Mounting Type":"Through Hole","Package / Case":"DO-201AA, DO-27, Axial","Product Status":"Obsolete","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":"$0.6800","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/cbd949ebcf4c95d5b4ea8fdecf87536f.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What package does the 1.5KE39CA/54 come in?","answer":"It is supplied in a DO-201AA (DO-27) axial-lead through-hole package, on Tape & Reel (the /54 suffix). The operating junction temperature range is -55°C to 175°C."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/vishay-general-semiconductor-diodes-division/1.5KE39CA-54","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/1.5KE39CA-54 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}}