{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"VIPER20A-22-E","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"VIPER20A-22-E","canonicalUrl":"https://icboms.com/stmicroelectronics/VIPER20A-22-E","factsUrl":"https://icboms.com/api/mcp/products/VIPER20A-22-E","rawCanonicalId":null},"summary":{"shortDescription":"STMicroelectronics VIPER™ series, VIPER20A-22-E, flyback switching regulator, 20 W output, 700 V breakdown, up to 200 kHz switching, Pentawatt-5 HV SMD staggered-lead package, surface mount.","salesMarkdown":"## Flyback regulator for isolated supplies — 20 W, 700 V breakdown The STMicroelectronics VIPER20A-22-E is a monolithic flyback switching regulator from the VIPER™ series, integrating the power switch and control logic in a single surface-mount Pentawatt-5 HV package with bent and staggered leads. It delivers up to 20 W of isolated output power and is rated for a 700 V breakdown voltage, switching at frequencies up to 200 kHz. The 20 W output power and 700 V breakdown voltage define the primary-side stress envelope — this part suits off-line flyback supplies for auxiliary and bias rails in industrial and consumer equipment. The 8 V to 15 V Vcc range and 11 V start-up threshold are standard for self-supplied converters; the built-in current limiting and over-temperature protection eliminate external sense components. ## Package reality — Pentawatt-5 HV staggered leads The Pentawatt-5 HV package uses bent and staggered leads to increase creepage distance for high-voltage applications. It is classified as surface mount, but the staggered footprint differs from a standard SOIC or DPAK — verify the PCB land pattern against the mechanical drawing before committing a replacement or rework. Sourcing is limited to independent distribution — surplus, new-old-stock, or broker lots.","metaTitle":"STMicro VIPER20A-22-E Flyback Converter, 20W, 700V, Obsolete","metaDescription":"STMicro VIPER20A-22-E flyback switching regulator, 20W output, 700V breakdown, up to 200kHz. Pentawatt-5 HV SMD.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["Power Management (PMIC / Gate Driver)"],"specifications":{"Mfr":"STMicroelectronics","Series":"VIPER™","Package":"Tube","Topology":"Flyback","Duty Cycle":"-","Mounting Type":"Surface Mount","Power (Watts)":"20 W","Package / Case":"Pentawatt-5 HV (Bent and Staggered Leads)","Product Status":"Obsolete","lifecycle_stage":"eol_hot","Control Features":"-","Fault Protection":"Current Limiting, Over Temperature","Output Isolation":"Isolated","Internal Switch(s)":"Yes","Voltage - Start Up":"11 V","Base Product Number":"VIPER20","Voltage - Breakdown":"700V","Frequency - Switching":"Up to 200kHz","Operating Temperature":"-","Supplier Device Package":"5-PENTAWATT","Voltage - Supply (Vcc/Vdd)":"8V ~ 15V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/dc35083aac10b9fba001b35a7ca87e04.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/VIPER20A-22-E/alternatives.json"},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/VIPER20A-22-E","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/VIPER20A-22-E when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-22T18:03:28.771Z","lastPublished":"2026-07-22T18:03:28.771Z","indexable":true}}