{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"1.5KE220CA","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"1.5KE220CA","canonicalUrl":"https://icboms.com/stmicroelectronics/1.5KE220CA","factsUrl":"https://icboms.com/api/mcp/products/1.5KE220CA","rawCanonicalId":null},"summary":{"shortDescription":"STMicroelectronics 1.5KE220CA, TRANSIL™ series, bidirectional TVS diode, 1500W peak pulse power, 188V standoff, 388V clamping, DO-201 axial package.","salesMarkdown":"## What the 1500W rating means for your rail protection The STMicroelectronics 1.5KE220CA is a bidirectional transient voltage suppressor from the 1.5KE TRANSIL™ series, rated for 1500W peak pulse power over a 10/1000µs waveform. It clamps at 388V maximum from a 188V reverse standoff voltage, making it a fit for protecting 188V DC rails or AC lines in general-purpose industrial and telecom equipment. The 26A peak pulse current rating (8/20µs) gives a realistic surge-handling number for IEC 61000-4-5 coordination. ## Package and mounting — through-hole axial DO-201 Housed in a DO-201AA / DO-27 axial-lead through-hole package, the 1.5KE220CA suits point-to-point wiring or PCB mounting with drilled holes. The axial leads handle the thermal cycling of high-energy pulses better than surface-mount alternatives in some layouts, though the board real estate is larger than an SMC package. ## Capacitance and signal integrity With 312.5pF capacitance at 1MHz, this part loads high-speed data lines noticeably — it is better suited for power rails and low-frequency signal protection than for gigabit Ethernet or USB 3.x. For high-speed interfaces, a lower-capacitance TVS (e.g., the 1.5KE series' own lower-voltage siblings or a dedicated data-line protector) would be the pick.","metaTitle":"1.5KE220CA Bidirectional TVS Diode, 1500W, DO-201","metaDescription":"STMicroelectronics 1.5KE220CA bidirectional TVS diode, 1500W peak pulse power, 188V standoff, 388V clamping in DO-201 axial package.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Circuit Protection"],"specifications":{"Mfr":"STMicroelectronics","Type":"Zener","Series":"1.5KE, TRANSIL™","Package":"Cut Tape (CT); Tape & Box (TB)","Applications":"General Purpose","Mounting Type":"Through Hole","Package / Case":"DO-201AA, DO-27, Axial","Product Status":"Active","lifecycle_stage":"eol_hot","Power - Peak Pulse":"1500W (1.5kW)","Base Product Number":"1.5KE220","Operating Temperature":"-","Power Line Protection":"No","Bidirectional Channels":"1","Capacitance @ Frequency":"312.5pF @ 1MHz","Supplier Device Package":"DO-201","Voltage - Breakdown (Min)":"209V","Voltage - Clamping (Max) @ Ipp":"388V","Voltage - Reverse Standoff (Typ)":"188V","Current - Peak Pulse (10/1000µs)":"26A (8/20µs)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$1.4700","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/572f99690aeb2b0f302ed9cdcfd976ec.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/1.5KE220CA/alternatives.json"},"ai":{"faq":[{"question":"Is 1.5KE220CA bidirectional?","answer":"Yes, the 1.5KE220CA is a bidirectional TVS diode with one channel, clamping both positive and negative transients symmetrically."},{"question":"What is the peak pulse power of 1.5KE220CA?","answer":"The 1.5KE220CA is rated for 1500W peak pulse power (10/1000µs waveform), with a clamping voltage of 388V at 26A peak pulse current (8/20µs)."},{"question":"What is the capacitance of 1.5KE220CA?","answer":"The capacitance is 312.5pF at 1MHz, which is typical for a 1500W TVS in this voltage class and should be considered when protecting high-speed signal lines."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/1.5KE220CA","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/1.5KE220CA 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}}