{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"CNY17F4SM","brand":"onsemi","brandSlug":"onsemi","productSlug":"CNY17F4SM","canonicalUrl":"https://icboms.com/onsemi/CNY17F4SM","factsUrl":"https://icboms.com/api/mcp/products/CNY17F4SM","rawCanonicalId":null},"summary":{"shortDescription":"onsemi CNY17F4SM, single-channel DC-input transistor-output optocoupler, 4170 Vrms isolation, 160%–320% CTR at 10 mA, 6-SMD Gull Wing package, active production.","salesMarkdown":"## 4170 Vrms isolation for safety-barrier designs The CNY17F4SM from onsemi is a single-channel optocoupler built for applications that need a reinforced isolation barrier — 4170 Vrms between input and output. That rating suits it for industrial motor drives, PLC digital inputs, and medical patient-monitoring interfaces where a fault on the high-voltage side must not reach the low-voltage control logic. ## CTR range sets the LED drive budget The current transfer ratio is specified at 160% minimum to 320% maximum, measured at If = 10 mA. Output transistor can handle up to 70 V collector-emitter and 50 mA continuous current. The 400 mV Vce(sat) maximum keeps the voltage drop low when driving a downstream logic input. ## Switching speed for 10–100 kHz isolation links Typical turn-on time is 2 µs, turn-off time 3 µs, with rise and fall times of 4 µs and 3.5 µs respectively. That puts the usable data rate around 100 kHz — fine for status feedback, relay drivers, and low-speed serial isolation, but not for high-speed comms like CAN or Ethernet. The 1.35 V typical forward voltage at 10 mA LED current is standard for an infrared LED; the 60 mA absolute-maximum forward current gives headroom for transient overdrive.","metaTitle":"CNY17F4SM onsemi Optoisolator – 4170 Vrms, DC Input","metaDescription":"onsemi CNY17F4SM optocoupler: 4170 Vrms isolation, 160%–320% CTR at 10 mA, 70 V output, 6-SMD Gull Wing. Active production, available for RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Optoisolators"],"specifications":{"Mfr":"onsemi","Series":"-","Package":"Bulk","Input Type":"DC","Output Type":"Transistor","Mounting Type":"Surface Mount","Package / Case":"6-SMD, Gull Wing","Product Status":"Active","lifecycle_stage":"eol_hot","Number of Channels":"1","Base Product Number":"CNY17F4","Voltage - Isolation":"4170Vrms","Vce Saturation (Max)":"400mV","Operating Temperature":"-40°C~100°C","Rise / Fall Time (Typ)":"4µs, 3.5µs (Max)","Voltage - Output (Max)":"70V","Supplier Device Package":"6-SMD","Current - Output / Channel":"50mA","Current Transfer Ratio (Max)":"320% @ 10mA","Current Transfer Ratio (Min)":"160% @ 10mA","Voltage - Forward (Vf) (Typ)":"1.35V","Turn On / Turn Off Time (Typ)":"2µs, 3µs","Current - DC Forward (If) (Max)":"60 mA"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.8300","stockQuantity":0,"priceTiers":[{"qty":1158,"price":"$0.26000","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/dbff72ad709f03fb6695b1cadd7ed9fe.pdf","sourceUrl":null},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/onsemi/CNY17F4SM","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/onsemi/CNY17F4SM 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}}