{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"CNY172FR2M","brand":"onsemi","brandSlug":"onsemi","productSlug":"CNY172FR2M","canonicalUrl":"https://icboms.com/onsemi/CNY172FR2M","factsUrl":"https://icboms.com/api/mcp/products/CNY172FR2M","rawCanonicalId":null},"summary":{"shortDescription":"onsemi CNY172FR2M Optoisolator, DC input, Transistor with Base output, 1 Channel, 7500Vpk isolation, 63-125% CTR at 10mA, 70V output, 6-SMD Gull Wing, Tape & Reel.","salesMarkdown":"## 7500Vpk isolation in a single-channel SMD optocoupler The onsemi CNY172FR2M is a single-channel optoisolator in a 6-SMD Gull Wing package, delivering 7500Vpk isolation between a DC-input LED and a phototransistor output with a base connection. This isolation rating suits it for applications where reinforced insulation is required across a safety barrier — think motor-drive feedback, industrial PSU feedback loops, or PLC digital input isolation where the working voltage stays below the 70 V output ceiling. ## CTR window and switching-speed budget A 63% floor at 10 mA If means the output sinks at least 6.3 mA, enough to pull a 5 V TTL input low through a 680 Ω pull-up. Switching speed is characterised by 1 µs typical rise and 2 µs typical fall times, with turn-on at 2 µs and turn-off at 3 µs typical. This places the part in the medium-speed band — adequate for 10-100 kHz PWM feedback or serial data at 115.2 kbps, but not for high-speed isolated communication like CAN or Ethernet. The output transistor is rated for 70 V collector-emitter maximum and 50 mA continuous current per channel, with a 400 mV typical saturation voltage at the rated forward current. This gives enough headroom to drive a 24 V PLC input or a 12 V relay coil through a base resistor. The base product number is CNY172, which shares the same 6-SMD Gull Wing footprint and 7500Vpk isolation rating across the family. If a design can tolerate a different CTR bin or output configuration, other CNY172 variants may be parametric alternatives, but no direct drop-in replacement is documented. ## Package and board-fit for the 6-SMD Gull Wing The 6-SMD Gull Wing package (supplier device package 6-SMD) is a surface-mount form factor with gull-wing leads that extend beyond the body for visual solder-joint inspection. The package is supplied in Tape & Reel (TR), compatible with standard pick-and-place equipment. The LED forward voltage is 1.35 V typical at 10 mA, with an absolute maximum forward current of 60 mA. The input is DC only — no AC drive capability. The base connection on the output side allows the designer to bias the phototransistor for faster switching or to implement a Darlington pair externally.","metaTitle":"onsemi CNY172FR2M Optoisolator, 7500Vpk, 63-125% CTR, 6-SMD","metaDescription":"onsemi CNY172FR2M single-channel optoisolator, 7500Vpk isolation, 63-125% CTR at 10 mA, 70 V output, 6-SMD Gull Wing. Obsolete — sourced to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["Optoisolators"],"specifications":{"Mfr":"onsemi","Series":"-","Package":"Tape & Reel (TR)","Input Type":"DC","Output Type":"Transistor with Base","Mounting Type":"Surface Mount","Package / Case":"6-SMD, Gull Wing","Product Status":"Obsolete","lifecycle_stage":"eol_hot","Number of Channels":"1","Base Product Number":"CNY172","Voltage - Isolation":"7500Vpk","Vce Saturation (Max)":"400mV","Operating Temperature":"-40°C ~ 100°C","Rise / Fall Time (Typ)":"1µs, 2µs","Voltage - Output (Max)":"70V","Supplier Device Package":"6-SMD","Current - Output / Channel":"50mA","Current Transfer Ratio (Max)":"125% @ 10mA","Current Transfer Ratio (Min)":"63% @ 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":"$0.6800","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/dbff72ad709f03fb6695b1cadd7ed9fe.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/CNY172FR2M/alternatives.json"},"ai":{"faq":[{"question":"What is the current transfer ratio (CTR) range for the CNY172FR2M?","answer":"The CTR is specified at 63% minimum and 125% maximum, both measured at 10 mA forward current. This range ensures the output transistor can sink enough current to drive standard logic inputs across the full temperature range."},{"question":"What package does the CNY172FR2M come in?","answer":"The CNY172FR2M is supplied in a 6-SMD Gull Wing surface-mount package, on Tape & Reel. The supplier device package code is 6-SMD."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/onsemi/CNY172FR2M","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/onsemi/CNY172FR2M when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-21T06:26:02.828Z","lastPublished":"2026-07-21T06:26:02.828Z","indexable":true}}