{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"CNY17F4300W","brand":"onsemi","brandSlug":"onsemi","productSlug":"CNY17F4300W","canonicalUrl":"https://icboms.com/onsemi/CNY17F4300W","factsUrl":"https://icboms.com/api/mcp/products/CNY17F4300W","rawCanonicalId":null},"summary":{"shortDescription":"onsemi CNY17 series optoisolator, DC input, transistor output, 1 channel, 5300Vrms isolation, 160-320% CTR, 6-DIP (0.400\", 10.16mm) through-hole package, tube.","salesMarkdown":"## Obsolete — sourcing reality for this BOM line onsemi has marked the CNY17F4300W as Obsolete. For existing BOM positions, this part is sourced through independent distribution channels — quantities are lot-specific and confirmed at RFQ. Rated for 5300Vrms isolation — this is a reinforced-grade isolation barrier, suitable for primary-to-secondary separation in AC mains-powered equipment where the working voltage is 250V or below. The 160% to 320% Current Transfer Ratio range at 10mA forward current means the output transistor saturates with modest LED drive; at the minimum CTR of 160%, a 10mA input yields at least 16mA output current, which is enough to pull a logic input low or drive a low-power relay coil. The output transistor handles up to 70V Vce and 50mA continuous current per channel, with a Vce saturation floor of 300mV. The 100mA absolute-max forward current sets the LED drive ceiling — stay below 60mA continuous for reliable long-term operation through the isolation barrier. ## Speed and temperature — bench limits for the rework tech Typical turn-on time is 2µs, turn-off 3µs; rise/fall times are 1µs and 2µs respectively. This limits the practical switching frequency to about 100 kHz — above that, the output pulse width narrows until the downstream logic misses edges. For a 24V PLC input or a 5V microcontroller GPIO, the 2-3µs delay is negligible.","metaTitle":"onsemi CNY17F4300W Optoisolator, 5300Vrms, 6-DIP","metaDescription":"onsemi CNY17F4300W optoisolator, 5300Vrms isolation, 160-320% CTR, 6-DIP package. Obsolete — sourced to order against RFQ through independent distribution.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["Optoisolators"],"specifications":{"Mfr":"onsemi","Series":"-","Package":"Tube","Input Type":"DC","Output Type":"Transistor","Mounting Type":"Through Hole","Package / Case":"6-DIP (0.400\\\", 10.16mm)","Product Status":"Obsolete","lifecycle_stage":"eol_hot","Number of Channels":"1","Base Product Number":"CNY17","Voltage - Isolation":"5300Vrms","Vce Saturation (Max)":"300mV","Operating Temperature":"-55°C ~ 100°C","Rise / Fall Time (Typ)":"1µs, 2µs","Voltage - Output (Max)":"70V","Supplier Device Package":"6-DIP","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)":"100 mA"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.2060","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/e34b4a420dd134390615c9fed8bb5f31.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/CNY17F4300W/alternatives.json"},"ai":{"faq":[{"question":"What is the closest pin-compatible alternative to the CNY17F4300W?","answer":"The CNY17 series shares the same 6-DIP footprint and pinout across CTR bins, but no specific replacement order code is documented for the 'F4300W' variant. A parametric match (5300Vrms, 160-320% CTR, 70V Vce) would need to be evaluated against the BOM's required CTR and isolation specs."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/onsemi/CNY17F4300W","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/onsemi/CNY17F4300W when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-21T06:31:24.773Z","lastPublished":"2026-07-21T06:31:24.773Z","indexable":true}}