CNY17F-2M Optoisolator Equivalent & Substitute Parts

Part Overview

The CNY17F-2M is an optoisolator with transistor output manufactured by Everlight Electronics Co Ltd. This component provides 5000Vrms isolation voltage with a single channel configuration in a 6-DIP through-hole package. The part is currently active in production with 12400 units in stock inventory.

Equivalent and substitute parts are identified when design requirements permit tolerance of electrical parameter variations while maintaining functional compatibility within the same package category and isolation voltage class. Substitute parts are selected based on matching isolation voltage, channel count, output type, package form factor, and operating temperature range.

Key Parameters

Parameter	CNY17F-2M Value	Unit
Isolation Voltage	5000	Vrms
Number of Channels	1	—
Output Type	Transistor	—
Current Transfer Ratio (Min)	63	% @ 10mA
Current Transfer Ratio (Max)	125	% @ 10mA
Voltage - Output (Max)	80	V
Vce Saturation (Max)	300	mV
Operating Temperature Range	-55 to 110	°C
Package / Case	6-DIP (0.400", 10.16mm)	—
Mounting Type	Through Hole	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitute parts for the CNY17F-2M are grouped based on the following substitution criteria:

Primary Substitution Parameters:

Isolation voltage class (5000Vrms or equivalent)
Single channel configuration
Transistor output type
6-DIP through-hole package
Operating temperature range compatibility (-55°C minimum and 110°C maximum or higher)

Secondary Compatibility Factors:

Current transfer ratio range (determines switching characteristics)
Maximum output voltage (80V or higher)
Vce saturation voltage (affects output impedance)
Input type (DC)
Moisture sensitivity level (MSL 1 or equivalent)

Substitutes are divided into two categories:

Category A: 5000Vrms Isolation Voltage (Direct Voltage Class Match)

CNY17F-1X006 (Vishay)
CNY17F-3X006 (Vishay)

Category B: 7.5Vpk Isolation Voltage (Lower Isolation Class)

CNY17F-1XG (Isocom)
CNY17F-2XG (Isocom)
CNY17F-3XG (Isocom)
CNY17F-4XG (Isocom)

Category A parts maintain the same 5000Vrms isolation specification. Category B parts operate at a reduced isolation voltage of 7.5Vpk and are suitable only for applications where lower isolation voltage is acceptable.

Parameter Comparison

Parameter	CNY17F-2M (Everlight)	CNY17F-1X006 (Vishay)	CNY17F-3X006 (Vishay)	CNY17F-1XG (Isocom)	CNY17F-2XG (Isocom)	CNY17F-3XG (Isocom)	CNY17F-4XG (Isocom)
Manufacturer	Everlight Electronics	Vishay Semiconductor	Vishay Semiconductor	Isocom Components	Isocom Components	Isocom Components	Isocom Components
Isolation Voltage	5000 Vrms	5000 Vrms	5000 Vrms	7.5 Vpk	7.5 Vpk	7.5 Vpk	7.5 Vpk
Number of Channels	1	1	1	1	1	1	1
Output Type	Transistor	Transistor	Transistor	Transistor	Transistor	Transistor	Transistor
CTR Min @ 10mA	63%	40%	100%	40%	63%	100%	160%
CTR Max @ 10mA	125%	80%	200%	80%	125%	200%	320%
Turn On Time (Typ)	10 µs	3 µs	3 µs	3 µs	4.2 µs	4.2 µs	6 µs
Turn Off Time (Typ)	9 µs	2.3 µs	2.3 µs	18 µs	23 µs	23 µs	25 µs
Voltage - Output (Max)	80 V	70 V	70 V	70 V	70 V	70 V	70 V
Vce Saturation (Max)	300 mV	400 mV	400 mV	400 mV	400 mV	400 mV	400 mV
Voltage - Forward (Vf) (Typ)	1.65 V	1.39 V	1.39 V	1.2 V	1.2 V	1.2 V	1.2 V
Current - DC Forward (If) (Max)	60 mA	60 mA	60 mA	60 mA	60 mA	60 mA	60 mA
Operating Temperature	-55 to 110 °C	-55 to 110 °C	-55 to 110 °C	-55 to 100 °C	-55 to 100 °C	-55 to 100 °C	-55 to 100 °C
Package / Case	6-DIP (0.400", 10.16mm)	6-DIP (0.300", 7.62mm)	6-DIP (0.300", 7.62mm)	6-DIP (0.300", 7.62mm)	6-DIP (0.400", 10.16mm)	6-DIP (0.300", 7.62mm)	6-DIP (0.400", 10.16mm)
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Inventory Status	12400 Pcs	1848 Pcs	2983 Pcs	911 Pcs	3300 Pcs	779 Pcs	937 Pcs

Engineering Selection Recommendations

For 5000Vrms Isolation Requirement (Category A):

CNY17F-1X006 (Vishay) is suitable when lower current transfer ratio (40% to 80%) is acceptable and faster switching response is required. This part exhibits turn-on time of 3µs and turn-off time of 2.3µs compared to the CNY17F-2M specification of 10µs and 9µs respectively. The maximum output voltage is reduced to 70V. Package dimensions are 6-DIP (0.300", 7.62mm), which differs from the CNY17F-2M footprint of 6-DIP (0.400", 10.16mm). Operating temperature range matches at -55°C to 110°C. RoHS3 compliance and MSL 1 rating are maintained.

CNY17F-3X006 (Vishay) is suitable when higher current transfer ratio (100% to 200%) is required. This part provides faster switching with turn-on time of 3µs and turn-off time of 2.3µs. Maximum output voltage is 70V. Package dimensions are 6-DIP (0.300", 7.62mm). Operating temperature range is -55°C to 110°C. RoHS3 compliance and MSL 1 rating are maintained.

For Lower Isolation Voltage Applications (Category B):

CNY17F-2XG (Isocom) provides the closest current transfer ratio match (63% to 125%) to the CNY17F-2M. Isolation voltage is reduced to 7.5Vpk. Package dimensions are 6-DIP (0.400", 10.16mm), matching the CNY17F-2M footprint. Operating temperature range is -55°C to 100°C, which is 10°C lower at the upper limit. RoHS3 compliance and MSL 1 rating are maintained.

CNY17F-1XG (Isocom) is suitable for applications requiring lower current transfer ratio (40% to 80%) with 7.5Vpk isolation. Package dimensions are 6-DIP (0.300", 7.62mm). Operating temperature range is -55°C to 100°C.

CNY17F-3XG (Isocom) is suitable for applications requiring higher current transfer ratio (100% to 200%) with 7.5Vpk isolation. Package dimensions are 6-DIP (0.300", 7.62mm). Operating temperature range is -55°C to 100°C.

CNY17F-4XG (Isocom) is suitable for applications requiring the highest current transfer ratio (160% to 320%) with 7.5Vpk isolation. Package dimensions are 6-DIP (0.400", 10.16mm). Operating temperature range is -55°C to 100°C.

All substitute parts are RoHS3 compliant and carry MSL 1 (Unlimited) moisture sensitivity rating, matching the CNY17F-2M compliance profile.

Frequently Asked Questions (FAQ)

Q: Can CNY17F-1X006 or CNY17F-3X006 be used as direct replacements for CNY17F-2M?

A: CNY17F-1X006 and CNY17F-3X006 maintain the same 5000Vrms isolation voltage as the CNY17F-2M. However, both parts have different package dimensions (6-DIP 0.300" vs. 0.400"), which affects PCB footprint compatibility. CNY17F-1X006 has lower current transfer ratio (40% to 80% vs. 63% to 125%), while CNY17F-3X006 has higher current transfer ratio (100% to 200%). Both have reduced maximum output voltage (70V vs. 80V) and higher Vce saturation (400mV vs. 300mV). Substitution requires verification of circuit tolerance to these parameter differences.

Q: What is the key difference between Category A and Category B substitutes?

A: Category A substitutes (CNY17F-1X006, CNY17F-3X006) maintain the 5000Vrms isolation voltage specification of the CNY17F-2M. Category B substitutes (CNY17F-1XG, CNY17F-2XG, CNY17F-3XG, CNY17F-4XG) operate at 7.5Vpk isolation voltage, which is significantly lower. Category B parts are suitable only for applications where lower isolation voltage is acceptable. The choice between categories depends on the isolation voltage requirement of the application.

Q: How do package dimensions affect substitution?

A: The CNY17F-2M uses a 6-DIP package with 0.400" (10.16mm) body width. CNY17F-1X006 and CNY17F-3X006 use 6-DIP with 0.300" (7.62mm) body width. CNY17F-2XG and CNY17F-4XG use 6-DIP with 0.400" (10.16mm) body width, matching the CNY17F-2M footprint. CNY17F-1XG and CNY17F-3XG use 6-DIP with 0.300" (7.62mm) body width. PCB layout compatibility depends on the specific footprint design. Smaller package variants may fit on existing PCBs designed for the larger package, but larger package variants will not fit on PCBs designed for smaller packages.

Q: What is the significance of current transfer ratio (CTR) differences?

A: Current transfer ratio determines the optical coupling efficiency between the LED input and transistor output. The CNY17F-2M has CTR of 63% to 125% at 10mA. Lower CTR parts (40% to 80%) require higher input current to achieve the same output current. Higher CTR parts (100% to 200% or 160% to 320%) require lower input current for the same output current. Selection depends on the input drive capability and output current requirements of the application circuit.

Q: Are all substitute parts RoHS3 compliant?

A: Yes, all listed substitute parts (CNY17F-1X006, CNY17F-3X006, CNY17F-1XG, CNY17F-2XG, CNY17F-3XG, CNY17F-4XG) are RoHS3 compliant and carry MSL 1 (Unlimited) moisture sensitivity rating, matching the CNY17F-2M compliance profile.

Q: What is the operating temperature range consideration for substitution?

A: The CNY17F-2M operates from -55°C to 110°C. Vishay parts (CNY17F-1X006, CNY17F-3X006) maintain this same range. Isocom parts (CNY17F-1XG, CNY17F-2XG, CNY17F-3XG, CNY17F-4XG) operate from -55°C to 100°C, which is 10°C lower at the upper temperature limit. Substitution with Isocom parts is suitable for applications with maximum operating temperature of 100°C or lower.

Q: How do switching time specifications affect circuit performance?

A: The CNY17F-2M has turn-on time of 10µs and turn-off time of 9µs. Vishay substitutes (CNY17F-1X006, CNY17F-3X006) have faster switching with turn-on time of 3µs and turn-off time of 2.3µs. Isocom substitutes have variable switching times: CNY17F-1XG and CNY17F-2XG have turn-off times of 18µs and 23µs respectively, which are significantly slower than the CNY17F-2M. Switching speed affects the maximum frequency at which the optoisolator can operate. Faster switching parts enable higher frequency operation, while slower switching parts may limit frequency response.

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