{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"IL4108-X007T","brand":"Vishay","brandSlug":"vishay","productSlug":"IL4108-X007T","canonicalUrl":"https://icboms.com/vishay/IL4108-X007T","factsUrl":"https://icboms.com/api/mcp/products/IL4108-X007T","rawCanonicalId":null},"summary":{"shortDescription":"Vishay IL4108-X007T optocoupler, triac output, 5300 Vrms isolation, 800 V off-state, 35 µs turn-on, zero-crossing circuit, surface mount 6-SMD, -55 to 100 °C.","salesMarkdown":"The IL4108-X007T is a single-channel triac-output optocoupler from Vishay, built for driving AC loads from a logic-level control side with reinforced isolation. Its 5300 Vrms isolation rating covers basic insulation for mains-referenced circuits — think motor contactors, valve actuators, and solid-state relays in industrial panels. The 800 V off-state voltage gives enough headroom for 240 VAC line switching with margin for transients, so you are not derating at the nominal line. The zero-crossing circuit turns on the triac only near the AC voltage zero, which cuts inrush current and conducted EMI on resistive loads — heaters, lamps, solenoid valves. Without it, random-phase turn-on can spike the load and stress the triac. The 35 µs turn-on time is fast enough for line-frequency switching but not for PWM; this is an on/off part, not a dimmer. ## 10 kV/µs dV/dt — why it matters in a motor drive cabinet Static dV/dt immunity is rated at a minimum 10 kV/µs. In a noisy environment — VFD output, contactor bounce, relay chatter — fast voltage edges can capacitively couple across the optocoupler barrier and trigger the triac falsely. This part's 10 kV/µs floor means it will hold off most industrial transients without an external snubber, saving PCB space and BOM cost. The 500 µA holding current is standard for triac output; it keeps the load latched once triggered until the AC current drops below that level at the zero crossing. ## Active, ROHS3, and the sourcing picture ROHS3 compliant, no exemption issues. CSA and UR approvals are on file, which simplifies safety certification for end equipment sold into North American markets.","metaTitle":"IL4108-X007T Optocoupler, Triac Output, 5300 Vrms","metaDescription":"IL4108-X007T optocoupler with triac output, 5300 Vrms isolation, 800 V off-state, zero-crossing circuit, 35 µs turn-on. Active lifecycle, ROHS3 compliant.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Optoisolators"],"specifications":{"Package":"Tape & Reel (TR); Cut Tape (CT)","Output Type":"Triac","Turn On Time":"35µs","Mounting Type":"Surface Mount","Package / Case":"6-SMD","Approval Agency":"CSA, UR","lifecycle_stage":"eol_hot","Number of Channels":"1","Static dV/dt (Min)":"10kV/µs","Current - Hold (Ih)":"500µA","Voltage - Isolation":"5300Vrms","Voltage - Off State":"800 V","Operating Temperature":"-55°C ~ 100°C","Zero Crossing Circuit":"Yes","Voltage - Forward (Vf) (Typ)":"1.16V","Current - DC Forward (If) (Max)":"60 mA","Current - LED Trigger (Ift) (Max)":"2mA","Current - On State (It (RMS)) (Max)":"300 mA"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$3.93","priceTiers":[{"qty":1,"price":"$3.93000","currency":"USD"},{"qty":10,"price":"$2.77900","currency":"USD"},{"qty":100,"price":"$2.27570","currency":"USD"},{"qty":500,"price":"$1.91850","currency":"USD"},{"qty":1000,"price":"$1.75972","currency":"USD"},{"qty":2000,"price":"$1.68695","currency":"USD"},{"qty":5000,"price":"$1.65388","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/3d733fc231feb010bf94b3e877d16d18.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/IL4108-X007T/alternatives.json"},"ai":{"faq":[{"question":"Does IL4108-X007T have a zero-crossing circuit?","answer":"Yes, the IL4108-X007T includes a zero-crossing circuit. The triac turns on only when the AC voltage is near zero, which reduces inrush current and EMI on resistive loads."},{"question":"Is IL4108-X007T surface-mount?","answer":"Yes, the mounting type is Surface Mount in a 6-SMD package."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/vishay/IL4108-X007T","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/vishay/IL4108-X007T 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}}