{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"SI8261BBD-C-IS","brand":"Skyworks Solutions","brandSlug":"skyworks","productSlug":"SI8261BBD-C-IS","canonicalUrl":"https://icboms.com/skyworks/SI8261BBD-C-IS","factsUrl":"https://icboms.com/api/mcp/products/SI8261BBD-C-IS","rawCanonicalId":null},"summary":{"shortDescription":"Skyworks Solutions SI8261BBD-C-IS automotive-grade digital isolator, capacitive coupling, 1-channel, 5000Vrms isolation, 4A peak output, 6-SOIC (7.50mm width) surface-mount package, tube.","salesMarkdown":"## Gate-drive isolator for automotive power stages The Skyworks SI8261BBD-C-IS is a single-channel digital isolator with a 4 A peak output stage, designed to drive IGBTs and MOSFETs in automotive traction inverters, DC-DC converters, and on-board chargers. Its 5000 Vrms reinforced isolation (per the 6-SOIC wide-body package) creates a galvanic barrier between the low-voltage controller domain and the high-voltage power stage, meeting the creepage and clearance requirements for 400 V and 800 V battery systems. The capacitive coupling technology delivers 35 kV/µs common-mode transient immunity, which keeps the gate drive signal clean during fast switching events — a common failure mode in motor-drive applications where the power-stage dv/dt couples back into the control side. ## Switching performance and drive capability Propagation delay is 60 ns max for low-to-high and 50 ns max for high-to-low transitions, with a pulse-width distortion ceiling of 28 ns. This asymmetry matters in dead-time budgeting: the controller must account for the longer tpLH when calculating the minimum off-time between high-side and low-side switches to avoid shoot-through. Rise and fall times are 5.5 ns and 8.5 ns typical respectively, which means the output edge rate is fast enough to minimise switching losses in the power FETs without requiring an external booster stage. The output high/low current capability — 500 mA source, 1.2 A sink — allows direct drive of medium-power IGBTs (up to about 50 A collector current class) without a separate gate-driver buffer. The output supply range of 9.4 V to 30 V covers the typical gate-drive voltages for both silicon IGBTs (15 V nominal) and SiC MOSFETs (18-20 V recommended). ## Package, approvals, and sourcing posture The supplier device package is listed as 6-SDIP Gull Wing, which is the same physical footprint as the SOIC-6 wide body; the naming difference is a manufacturer-specific designation. Safety certifications include CQC (China), CSA (Canada), UR (UL Recognized, USA), and VDE (Germany), covering the major global regulatory jurisdictions for industrial and automotive equipment. No official second-source cross-reference is maintained by the manufacturer, but the SI8261 family shares the same pinout and functional characteristics across isolation voltage variants.","metaTitle":"Skyworks SI8261BBD-C-IS Digital Isolator, 5kV, 4A, AEC-Q100","metaDescription":"Skyworks SI8261BBD-C-IS capacitive-coupling digital isolator, 5000Vrms isolation, 4A peak gate drive output, AEC-Q100 automotive grade.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Digital Isolators"],"specifications":{"Grade":"Automotive","Package":"Tube","Technology":"Capacitive Coupling","Mounting Type":"Surface Mount","Qualification":"AEC-Q100","Package / Case":"6-SOIC (0.295\\\", 7.50mm Width)","Approval Agency":"CQC, CSA, UR, VDE","lifecycle_stage":"eol_hot","Number of Channels":"1","Voltage - Isolation":"5000Vrms","Current - Peak Output":"4A","Operating Temperature":"-40°C ~ 125°C","Rise / Fall Time (Typ)":"5.5ns, 8.5ns","Supplier Device Package":"6-SDIP Gull Wing","Voltage - Output Supply":"9.4V ~ 30V","Current - Output High, Low":"500mA, 1.2A","Pulse Width Distortion (Max)":"28ns","Voltage - Forward (Vf) (Typ)":"2.8V (Max)","Current - DC Forward (If) (Max)":"30 mA","Propagation Delay tpLH / tpHL (Max)":"60ns, 50ns","Common Mode Transient Immunity (Min)":"35kV/µs"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$4.28","stockQuantity":27,"priceTiers":[{"qty":1,"price":"$4.28000","currency":"USD"},{"qty":10,"price":"$3.84600","currency":"USD"},{"qty":25,"price":"$3.63600","currency":"USD"},{"qty":100,"price":"$3.15120","currency":"USD"},{"qty":250,"price":"$2.98960","currency":"USD"},{"qty":500,"price":"$2.68256","currency":"USD"},{"qty":1000,"price":"$2.26240","currency":"USD"},{"qty":2500,"price":"$2.14928","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/914a87a51f46db2f4232cb10223c5088.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the difference between SI8261BBD-C-IS and SI8261BBC-C-IP?","answer":"Both are automotive-grade single-channel gate-drive isolators with identical switching performance (4 A peak output, 60/50 ns propagation delay, 35 kV/µs CMTI). The key difference is isolation voltage: the SI8261BBD-C-IS provides 5000 Vrms in the 6-SOIC wide-body package, while the SI8261BBC-C-IP is rated for 3750 Vrms. The pinout and footprint are the same, so a board designed for the lower-isolation variant can accept the SI8261BBD-C-IS without layout changes."},{"question":"What compliance documentation does Skyworks provide for the SI8261BBD-C-IS?","answer":"The part is ROHS3 compliant and carries safety approvals from CQC, CSA, UR, and VDE. Skyworks provides a datasheet with full electrical specifications, a qualification test report per AEC-Q100, and a RoHS/REACH declaration upon request."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/skyworks/SI8261BBD-C-IS","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/skyworks/SI8261BBD-C-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}}