{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"VOD3120AB-T","brand":"Vishay","brandSlug":"vishay","productSlug":"VOD3120AB-T","canonicalUrl":"https://icboms.com/vishay/VOD3120AB-T","factsUrl":"https://icboms.com/api/mcp/products/VOD3120AB-T","rawCanonicalId":null},"summary":{"shortDescription":"Vishay VOD3120AB-T gate drive optocoupler, 1-channel, 2.5A peak output, 5300Vrms isolation, 35kV/µs CMTI, 8-SMD Gull Wing, -40°C to 105°C, ROHS3.","salesMarkdown":"## What this gate-drive optocoupler does on your board The Vishay VOD3120AB-T is a single-channel gate-drive optocoupler built for driving IGBTs and power MOSFETs in motor drives, inverters, and industrial power supplies. Its 2.5A peak output current directly drives the gate charge of medium-power switching devices without an external buffer stage. The optical coupling provides 5300Vrms of reinforced isolation between the controller-side logic and the high-voltage power stage, which is the primary spec that determines whether this part fits your isolation barrier requirements. ## 2.5A peak output — sizing the gate drive The 2.5A peak source and sink capability means this part can switch the gate of a typical IGBT module in the 50 A to 200 A range within the 35 ns typical rise and fall times. If your power device has a higher total gate charge, you will need to check the switching frequency and total drive current budget — the 500 ns maximum propagation delay keeps the switching dead-time predictable for most inverter designs. ## 35 kV/µs CMTI — why it matters for motor drives Common-mode transient immunity of 35 kV/µs minimum is the spec that separates a gate-drive optocoupler that works in a noisy inverter environment from one that glitches. In a motor-drive application, the high-side switch sees fast voltage swings at the switching node; if the optocoupler cannot reject those transients, the output can falsely trigger, causing shoot-through. This part's CMTI rating is sized for industrial drives running at moderate switching frequencies. ## Temperature range and approvals — where it goes The CQC, cUL, UL, and VDE approvals mean it carries the safety certifications required for equipment sold into North America, Europe, and China — no need to re-certify the isolation barrier yourself.","metaTitle":"VOD3120AB-T Gate Drive Optocoupler, 2.5A Peak, 5300Vrms","metaDescription":"VOD3120AB-T gate drive optocoupler: 2.5A peak output, 5300Vrms isolation, 35kV/µs CMTI. 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)","Technology":"Optical Coupling","Mounting Type":"Surface Mount","Package / Case":"8-SMD, Gull Wing","Approval Agency":"CQC, cUL, UL, VDE","lifecycle_stage":"eol_hot","Number of Channels":"1","Voltage - Isolation":"5300Vrms","Current - Peak Output":"2.5A","Operating Temperature":"-40°C ~ 105°C","Rise / Fall Time (Typ)":"35ns, 35ns","Supplier Device Package":"8-SMD","Voltage - Output Supply":"15V ~ 30V","Current - Output High, Low":"2.5A","Pulse Width Distortion (Max)":"70ns","Voltage - Forward (Vf) (Typ)":"1.37V","Current - DC Forward (If) (Max)":"20 mA","Propagation Delay tpLH / tpHL (Max)":"500ns, 500ns","Common Mode Transient Immunity (Min)":"35kV/µs"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$2.22","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$2.22000","currency":"USD"},{"qty":10,"price":"$1.48200","currency":"USD"},{"qty":100,"price":"$1.14060","currency":"USD"},{"qty":500,"price":"$1.03100","currency":"USD"},{"qty":1000,"price":"$0.88602","currency":"USD"},{"qty":2000,"price":"$0.83770","currency":"USD"},{"qty":5000,"price":"$0.81836","currency":"USD"},{"qty":10000,"price":"$0.80548","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/37bf10db658c616f3c53a6917d89827a.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the peak output current of VOD3120AB-T?","answer":"The VOD3120AB-T delivers a 2.5A peak output current for both sourcing and sinking, suitable for driving the gate of medium-power IGBTs and MOSFETs."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/vishay/VOD3120AB-T","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/vishay/VOD3120AB-T 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}}