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onsemi CNY17F3TVM — Optoisolators

CNY17F3TVM Optoisolator, 4170Vrms, Transistor Output, Active

MPNCNY17F3TVM
Active

onsemi CNY17F3TVM, 1-channel DC-input transistor-output optocoupler, 4170Vrms isolation, 100%–200% CTR at 10 mA, -40°C to 100°C, 6-DIP through-hole package, Tube.

$0.8300Ref. price · indicative, final on quote
onsemi CNY17F3TVM datasheet (PDF)
Packaging6-DIP (0.400", 10.16mm)
RoHSROHS3 Compliant
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

CNY17F3TVM specifications
ParameterValue
Input typeDC
Output typeTransistor
MountingThrough Hole
Voltage - isolation4170Vrms
Voltage - output70V
Voltage - forward (Vf)1.35V
Current - output (Channel)50mA
Current transfer ratio200% @ 10mA
Current - DC forward (If)60 mA
Operating temperature-40°C ~ 100°C
PackageTube
Case6-DIP (0.400\", 10.16mm)
Channels1
Vce saturation400mV
Rise (Fall time)4µs, 3.5µs (Max)
Turn on (Turn off time)2µs, 3µs

Product details

Isolation voltage and CTR window for the BOM

The CNY17F3TVM provides 4170Vrms of galvanic isolation, which meets the reinforced-isolation requirement for mains-referenced circuits in industrial PSUs, motor drives, and PLC digital inputs. The current transfer ratio is specified as a min of 100% and a max of 200% at an LED forward current of 10 mA — that 2:1 spread means the pull-up resistor on the output side must be sized for the weakest unit, not the typical. Nominal is not absolute max; the datasheet's absolute-maximum table limits the LED forward current to 60 mA and the output collector current to 50 mA.

Switching speed and output drive

Turn-on time is 2 µs typical, turn-off 3 µs typical, with rise and fall times of 4 µs and 3.5 µs max respectively.

The 6-DIP through-hole package (0.400-inch body width, 10.16 mm) is the standard industrial optocoupler footprint — it mates with existing wave-solder processes and is easy to hand-rework.

Frequently asked questions

What is the closest functional second-source for the CNY17F3TVM?

The closest peer within the same family is the CNY17F3M, which shares the same isolation voltage (4170Vrms), CTR range (100%–200% at 10 mA), switching speeds, and 6-DIP package. The difference is in the ordering suffix; the 'TVM' variant is the ROHS3-compliant version from onsemi.