{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"FOD4208SV","brand":"onsemi","brandSlug":"onsemi","productSlug":"FOD4208SV","canonicalUrl":"https://icboms.com/onsemi/FOD4208SV","factsUrl":"https://icboms.com/api/mcp/products/FOD4208SV","rawCanonicalId":null},"summary":{"shortDescription":"onsemi FOD4208SV, single-channel optoisolated triac driver, 5000 Vrms isolation, 800 V off-state voltage, 10 kV/µs minimum static dV/dt, non-zero-cross output, 6-SMD gull-wing package, tube.","salesMarkdown":"## Isolation barrier and load voltage envelope The FOD4208SV provides 5000 Vrms isolation between the LED input and the triac output, certified by cUL, FIMKO, UL, and VDE. The off-state voltage is rated at 800 V. ## Non-zero-cross switching and LED drive Unlike zero-cross optotriacs, the FOD4208SV fires the triac immediately when the LED current exceeds the 2 mA maximum trigger current, with a typical turn-on time of 60 µs. ## Package, temperature range, and procurement posture The FOD4208SV is supplied in a 6-SMD gull-wing package, shipped in tube. Sourcing is through normal distribution; the tube quantity and surface-mount footprint are standard for pick-and-place assembly. Request a quote against your BOM line for current pricing and lead time.","metaTitle":"FOD4208SV 5000 Vrms, 800 V Off-State, 10 kV/µs","metaDescription":"onsemi FOD4208SV optoisolated triac driver: 5000 Vrms isolation, 800 V off-state, 10 kV/µs dV/dt, 60 µs turn-on, non-zero-cross, 6-SMD gull wing.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Optoisolators"],"specifications":{"Package":"Tube","Output Type":"Triac","Turn On Time":"60µs","Mounting Type":"Surface Mount","Package / Case":"6-SMD, Gull Wing","Approval Agency":"cUL, FIMKO, UL, VDE","lifecycle_stage":"eol_hot","Number of Channels":"1","Static dV/dt (Min)":"10kV/µs","Current - Hold (Ih)":"500µA","Voltage - Isolation":"5000Vrms","Voltage - Off State":"800 V","Operating Temperature":"-55°C ~ 100°C","Zero Crossing Circuit":"No","Supplier Device Package":"6-SMD","Voltage - Forward (Vf) (Typ)":"1.28V","Current - DC Forward (If) (Max)":"30 mA","Current - LED Trigger (Ift) (Max)":"2mA"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$4.2","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$4.20000","currency":"USD"},{"qty":50,"price":"$2.96940","currency":"USD"},{"qty":100,"price":"$2.43210","currency":"USD"},{"qty":500,"price":"$2.05030","currency":"USD"},{"qty":1000,"price":"$1.88062","currency":"USD"},{"qty":2000,"price":"$1.80285","currency":"USD"},{"qty":5000,"price":"$1.76750","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/4508d0a74baa9082fd3b0c6c58d4edcd.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Does FOD4208SV have a zero-crossing circuit?","answer":"No — the FOD4208SV has no zero-crossing circuit. The triac fires immediately when the LED current exceeds the 2 mA trigger threshold, enabling random-turn-on or phase-angle switching."},{"question":"Can FOD4208SV be used with a 5V microcontroller?","answer":"Yes. The LED forward voltage is 1.28 V typical, so a 5 V GPIO can drive it through a series resistor. The maximum continuous LED current is 30 mA, and the trigger current is 2 mA maximum — a 270 Ω resistor from a 5 V output will provide roughly 14 mA, well within both limits."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/onsemi/FOD4208SV","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/onsemi/FOD4208SV when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-17T19:50:00.618Z","lastPublished":"2026-07-17T19:50:00.618Z","indexable":true}}