{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1.5KE33CHE3/73","brand":"Vishay General Semiconductor - Diodes Division","brandSlug":"vishay-general-semiconductor-diodes-division","productSlug":"1.5KE33CHE3-73","canonicalUrl":"https://icboms.com/vishay-general-semiconductor-diodes-division/1.5KE33CHE3-73","factsUrl":"https://icboms.com/api/mcp/products/1.5KE33CHE3%2F73","rawCanonicalId":null},"summary":{"shortDescription":"Vishay General Semiconductor - Diodes Division, Automotive AEC-Q101 TransZorb®, TVS Zener, 1.5KE33CHE3/73, 1500W, 26.8V standoff, 47.7V clamp, bidirectional, DO-201AA axial, through hole.","salesMarkdown":"## 1500W bidirectional TVS for automotive transient protection The 1.5KE33CHE3/73: It clamps at 47.7V maximum with a 26.8V reverse standoff, making it a fit for 24V nominal automotive bus protection where transients can reach the load-dump region. The bidirectional channel means a single device protects both polarities — useful on AC-coupled lines or where the signal swings through zero. The through-hole DO-201AA axial package inserts into a drilled PCB or terminal block; the body is rated for junction temperatures from -55°C to 175°C, covering under-hood and engine-bay thermal profiles. ## Clamping voltages and current rating for BOM fit Breakdown voltage starts at 29.7V minimum, so the device begins conducting before the protected rail exceeds that threshold. With a 26.8V reverse standoff, the TVS draws negligible leakage at the nominal 24V bus voltage. ## Obsolete — sourcing through independent channels Vishay has marked the 1.5KE33CHE3/73 as obsolete. No official successor order code is recorded in the lifecycle entry. For new designs, consider the active 1.5KE series variants from Vishay or a pin-compatible TVS in the same DO-201AA footprint with matching 26.8V standoff and bidirectional polarity. Cross-reference data is maintained at quote time.","metaTitle":"1.5KE33CHE3/73 Vishay TVS, 1500W, 26.8V Standoff","metaDescription":"Vishay 1.5KE33CHE3/73 automotive AEC-Q101 TVS, 1500W peak pulse, 26.8V standoff, bidirectional, DO-201AA. Obsolete — sourced to order.","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":"Automotive, AEC-Q101, TransZorb®","Package":"Tape & Box (TB)","Applications":"Automotive","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":"1.5KE33","Operating Temperature":"-55°C~175°C(TJ)","Power Line Protection":"No","Bidirectional Channels":"1","Capacitance @ Frequency":"-","Supplier Device Package":"1.5KE","Voltage - Breakdown (Min)":"29.7V","Voltage - Clamping (Max) @ Ipp":"47.7V","Voltage - Reverse Standoff (Typ)":"26.8V","Current - Peak Pulse (10/1000µs)":"31.4A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/cbd949ebcf4c95d5b4ea8fdecf87536f.pdf","sourceUrl":null},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/vishay-general-semiconductor-diodes-division/1.5KE33CHE3-73","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/1.5KE33CHE3-73 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}}