{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"SI8641BB-B-IS","brand":"Skyworks Solutions","brandSlug":"skyworks","productSlug":"SI8641BB-B-IS","canonicalUrl":"https://icboms.com/skyworks/SI8641BB-B-IS","factsUrl":"https://icboms.com/api/mcp/products/SI8641BB-B-IS","rawCanonicalId":null},"summary":{"shortDescription":"Skyworks Solutions Si864x series digital isolator, SI8641BB-B-IS, 4-channel general purpose, 150 Mbps data rate, 2500 Vrms isolation, capacitive coupling, 16-SOIC wide body, -40°C to 125°C.","salesMarkdown":"## What the 150 Mbps and 2500 Vrms ratings mean for your isolation barrier The SI8641BB-B-IS is a 4-channel general-purpose digital isolator from the Si864x family, using capacitive coupling to transfer signals across a 2500 Vrms isolation barrier at up to 150 Mbps. The 13 ns propagation delay (max) and 2.5 ns rise/fall times let it handle high-speed SPI, UART, or CAN bus signals without adding timing margin headaches — the 4.5 ns pulse-width distortion keeps the duty cycle intact through the barrier. The 35 kV/µs common-mode transient immunity (CMTI) means this part stays latched when a motor drive or inverter switches — common-mode noise that would glitch an optocoupler passes through the capacitive coupling without corrupting the data. Industrial temp range (-40°C to 125°C) covers engine bays, solar inverters, and factory-floor PLC racks. ## Channel allocation and supply flexibility Three channels on side 1, one on side 2 — unidirectional, so the data flow direction is fixed at layout time. No isolated power output — this is a signal isolator only. The 16-SOIC wide body (7.50 mm width) gives 8 mm creepage between the two sides, enough for basic functional isolation in most industrial designs. For 5 kVrms reinforced isolation, the SI8641BD-B-IS (same pinout, same speed) is the drop-in upgrade. ## Active lifecycle — no last-time-buy pressure ROHS3 compliant, no exemptions. Sourced through authorized and independent channels; availability and pricing confirmed at RFQ against your BOM quantity.","metaTitle":"Skyworks SI8641BB-B-IS Digital Isolator, 150Mbps, 2500Vrms","metaDescription":"Skyworks SI8641BB-B-IS digital isolator, 4-channel, 150 Mbps, 2500 Vrms isolation, capacitive coupling, -40°C to 125°C, 16-SOIC. Active production, ROHS3.","metaKeywords":null},"attributes":{"series":"Si864x","packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Digital Isolators"],"specifications":{"Type":"General Purpose","Series":"Si864x","Package":"Tube","Data Rate":"150Mbps","Technology":"Capacitive Coupling","Channel Type":"Unidirectional","Mounting Type":"Surface Mount","Isolated Power":"No","Package / Case":"16-SOIC (0.295\\\", 7.50mm Width)","lifecycle_stage":"eol_hot","Voltage - Supply":"2.5V ~ 5.5V","Number of Channels":"4","Voltage - Isolation":"2500Vrms","Operating Temperature":"-40°C ~ 125°C","Inputs - Side 1/Side 2":"3/1","Rise / Fall Time (Typ)":"2.5ns, 2.5ns","Supplier Device Package":"16-SOIC","Pulse Width Distortion (Max)":"4.5ns","Propagation Delay tpLH / tpHL (Max)":"13ns, 13ns","Common Mode Transient Immunity (Min)":"35kV/µs"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$4.04","stockQuantity":23,"priceTiers":[{"qty":1,"price":"$4.04000","currency":"USD"},{"qty":10,"price":"$3.63000","currency":"USD"},{"qty":25,"price":"$3.43160","currency":"USD"},{"qty":100,"price":"$2.97390","currency":"USD"},{"qty":250,"price":"$2.82144","currency":"USD"},{"qty":500,"price":"$2.53166","currency":"USD"},{"qty":1000,"price":"$2.13514","currency":"USD"},{"qty":2500,"price":"$2.02838","currency":"USD"},{"qty":5000,"price":"$1.95213","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/be2be0cd247effc5bbc93f4ca5c7a629.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Will SI8641BB-B-IS drop into a board laid out for SI8641BB-B-IU?","answer":"No — the SI8641BB-B-IU uses a 16-SSOP package (narrow body, 5.30 mm width), while the SI8641BB-B-IS is 16-SOIC wide body (7.50 mm width). The pinout and electrical specs are identical, but the footprint differs — a board spin or alternate landing pattern is required."},{"question":"What compliance documentation does Skyworks provide for SI8641BB-B-IS?","answer":"Additional documentation (REACH, UL recognition, IEC 60747-17 certification) is typically available from the manufacturer upon request — the part is designed for 2500 Vrms basic isolation per UL 1577."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/skyworks/SI8641BB-B-IS","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/skyworks/SI8641BB-B-IS when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-22T19:45:10.375Z","lastPublished":"2026-07-22T19:45:10.375Z","indexable":true}}