{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"FOD3120","brand":"onsemi","brandSlug":"onsemi","productSlug":"FOD3120","canonicalUrl":"https://icboms.com/onsemi/FOD3120","factsUrl":"https://icboms.com/api/mcp/products/FOD3120","rawCanonicalId":null},"summary":{"shortDescription":"onsemi FOD3120, 1-channel optical coupling gate driver, 8-DIP (0.300\", 7.62mm) through-hole package, 3 A peak output, 5000 Vrms isolation, 35 kV/µs CMTI, -40°C to 100°C operating range.","salesMarkdown":"## 3 A peak output for direct IGBT and MOSFET gate drive The FOD3120 delivers a 3 A peak output current — enough to drive the gate of medium-power IGBTs and MOSFETs without an external boost stage. The 2 A source and 2 A sink capability keeps turn-on and turn-off edges symmetric, which simplifies dead-time budgeting in half-bridge and full-bridge topologies. Rise and fall times are 60 ns typical, and the maximum propagation delay is 400 ns with a pulse-width distortion ceiling of 100 ns. That timing consistency matters when paralleling multiple drivers for higher current modules — skew between channels stays inside the switching-loss budget. ## 5000 Vrms isolation and 35 kV/µs CMTI for industrial noise environments With 5000 Vrms isolation and a minimum common-mode transient immunity of 35 kV/µs, this optocoupler holds its output state through the fast voltage swings on the high-side gate drive in a motor inverter or switching power supply. The UL approval covers the safety spacing for reinforced insulation in mains-connected equipment. The supply voltage range of 15 V to 30 V matches the typical gate-drive bias for IGBTs and standard MOSFET drivers. The 1.5 V typical forward voltage and 25 mA maximum forward current are compatible with logic outputs through a series resistor.","metaTitle":"FOD3120 onsemi Optoisolator Gate Driver 3A 5000Vrms 8-DIP","metaDescription":"onsemi FOD3120 optocoupler gate driver: 3 A peak output, 5000 Vrms isolation, 35 kV/µs CMTI, -40°C to 100°C, 8-DIP through-hole. Active lifecycle, ROHS3.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Optoisolators"],"specifications":{"Package":"Tube","Technology":"Optical Coupling","Mounting Type":"Through Hole","Package / Case":"8-DIP (0.300\\\", 7.62mm)","Approval Agency":"UL","lifecycle_stage":"eol_hot","Number of Channels":"1","Voltage - Isolation":"5000Vrms","Current - Peak Output":"3A","Operating Temperature":"-40°C ~ 100°C","Rise / Fall Time (Typ)":"60ns, 60ns","Supplier Device Package":"8-DIP","Voltage - Output Supply":"15V ~ 30V","Current - Output High, Low":"2A, 2A","Pulse Width Distortion (Max)":"100ns","Voltage - Forward (Vf) (Typ)":"1.5V","Current - DC Forward (If) (Max)":"25 mA","Propagation Delay tpLH / tpHL (Max)":"400ns, 400ns","Common Mode Transient Immunity (Min)":"35kV/µs"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$2.41","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$2.41000","currency":"USD"},{"qty":10,"price":"$1.60900","currency":"USD"},{"qty":100,"price":"$1.23830","currency":"USD"},{"qty":500,"price":"$1.11936","currency":"USD"},{"qty":1000,"price":"$0.96195","currency":"USD"},{"qty":2000,"price":"$0.90948","currency":"USD"},{"qty":5000,"price":"$0.88849","currency":"USD"},{"qty":10000,"price":"$0.87780","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/884ffc8c9f36a8bf1ff91c4945c33aa1.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Can FOD3120 drive IGBTs directly?","answer":"Yes — the 3 A peak output and 2 A source/2 A sink capability are sufficient to drive the gate of medium-power IGBT modules and discrete IGBTs up to the 600 V / 30 A class without an external buffer. The 400 ns maximum propagation delay keeps switching losses predictable."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/onsemi/FOD3120","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/onsemi/FOD3120 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}}