CNY17-2X017 Optoisolator Equivalent & Substitute Parts

Part Overview

The CNY17-2X017 is an optoisolator transistor with base output manufactured by Vishay Semiconductor Opto Division. This 6-SMD surface mount component provides 5000Vrms isolation with a single channel transistor output configuration. The part is active and in production with 921 units currently in stock. Equivalent and substitute parts are identified based on matching electrical characteristics, isolation voltage, output configuration, and mechanical compatibility to support design flexibility and supply chain continuity.

Key Parameters

Parameter	CNY17-2X017
Manufacturer	Vishay Semiconductor Opto Division
Category	Optoisolators
Number of Channels	1
Voltage - Isolation	5000Vrms
Current Transfer Ratio (Min)	63% @ 10mA
Current Transfer Ratio (Max)	125% @ 10mA
Output Type	Transistor with Base
Voltage - Output (Max)	70V
Current - Output / Channel	50mA
Vce Saturation (Max)	400mV
Operating Temperature	-55°C ~ 110°C
Mounting Type	Surface Mount
Package / Case	6-SMD, Gull Wing
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the CNY17-2X017 is determined by the following critical parameters:

Primary Matching Criteria:

Voltage - Isolation: 5000Vrms (mandatory)
Number of Channels: 1 (mandatory)
Output Type: Transistor with Base (mandatory)
Mounting Type: Surface Mount (mandatory)
Package / Case: 6-SMD, Gull Wing (mandatory)
Input Type: DC (mandatory)

Secondary Compatibility Parameters:

Voltage - Output (Max): 70V or higher
Current - Output / Channel: 50mA or higher
Operating Temperature Range: Must encompass -55°C to 110°C or be compatible with application requirements
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level: 1 (Unlimited)

Electrical Performance Parameters:

Current Transfer Ratio: Minimum 63% @ 10mA acceptable; higher ratios provide design margin
Vce Saturation: 400mV or lower preferred for switching performance
Turn On / Turn Off Time and Rise / Fall Time: Timing specifications vary by manufacturer but must be evaluated against circuit requirements

Substitute parts are grouped by Current Transfer Ratio classification (63-125%, 40-80%, 100-200%, 160-320%) to enable selection based on specific circuit gain requirements.

Parameter Comparison

Part Number	Manufacturer	Voltage - Isolation	CTR Min @ 10mA	CTR Max @ 10mA	Voltage - Output (Max)	Current - Output / Channel	Vce Sat (Max)	Operating Temp	Packaging	Inventory
CNY17-2X017	Vishay	5000Vrms	63%	125%	70V	50mA	400mV	-55°C ~ 110°C	Tube	921
CNY17-2X007	Vishay	5000Vrms	63%	125%	70V	50mA	400mV	-55°C ~ 110°C	Tube	2100
CNY17-1-300E	Broadcom Limited	5000Vrms	40%	80%	70V	150mA	300mV	-55°C ~ 100°C	Tube	20039
CNY17-1S(TA)	Everlight Electronics Co Ltd	5000Vrms	40%	80%	80V	—	300mV	-55°C ~ 110°C	Tape & Reel (TR)	1668
CNY17-2-500E	Broadcom Limited	5000Vrms	63%	125%	70V	150mA	300mV	-55°C ~ 100°C	Cut Tape (CT) & Digi-Reel®	1245
CNY17-3-360E	Broadcom Limited	5000Vrms	100%	200%	70V	150mA	300mV	-55°C ~ 100°C	Tube	1420
CNY17-3-500E	Broadcom Limited	5000Vrms	100%	200%	70V	150mA	300mV	-55°C ~ 100°C	Tape & Reel (TR)	4749
CNY17-3S(TA)	Everlight Electronics Co Ltd	5000Vrms	100%	200%	80V	—	300mV	-55°C ~ 110°C	Tape & Reel (TR)	23716
CNY17-4-300E	Broadcom Limited	5000Vrms	160%	320%	70V	150mA	300mV	-55°C ~ 100°C	Tube	4300
CNY17-4-500E	Broadcom Limited	5000Vrms	160%	320%	70V	150mA	300mV	-55°C ~ 100°C	Tape & Reel (TR)	6069

Engineering Selection Recommendations

Direct Parametric Equivalent: CNY17-2X007 is a direct parametric equivalent to CNY17-2X017, manufactured by Vishay Semiconductor Opto Division with identical electrical specifications and operating temperature range. Both parts are ROHS3 compliant with MSL 1 rating. CNY17-2X007 offers higher inventory availability (2100 units).

Broadcom Limited Substitutes (CTR 63-125% Classification): CNY17-2-500E maintains the same Current Transfer Ratio range (63-125% @ 10mA) as the main part with enhanced output current capability (150mA vs 50mA) and improved Vce saturation (300mV vs 400mV). Operating temperature range is -55°C to 100°C. Available in Cut Tape & Digi-Reel® packaging. ROHS3 compliant.

Broadcom Limited Substitutes (CTR 40-80% Classification): CNY17-1-300E provides lower Current Transfer Ratio (40-80% @ 10mA) with higher output current (150mA) and lower Vce saturation (300mV). Operating temperature is -55°C to 100°C. Suitable for applications requiring lower input current or where higher output current is beneficial. ROHS3 compliant.

Broadcom Limited Substitutes (CTR 100-200% Classification): CNY17-3-360E and CNY17-3-500E offer higher Current Transfer Ratio (100-200% @ 10mA) with 150mA output current and 300mV Vce saturation. Operating temperature is -55°C to 100°C. Available in Tube and Tape & Reel packaging respectively. ROHS3 compliant. CNY17-3-500E provides highest inventory (4749 units).

Broadcom Limited Substitutes (CTR 160-320% Classification): CNY17-4-300E and CNY17-4-500E deliver highest Current Transfer Ratio (160-320% @ 10mA) with 150mA output current and 300mV Vce saturation. Operating temperature is -55°C to 100°C. Available in Tube and Tape & Reel packaging. ROHS3 compliant. CNY17-4-300E offers 4300 units in stock.

Everlight Electronics Co Ltd Substitutes: CNY17-1S(TA) and CNY17-3S(TA) are available in Tape & Reel packaging with operating temperature range -55°C to 110°C (matching main part). CNY17-1S(TA) provides 40-80% CTR with 80V maximum output voltage. CNY17-3S(TA) provides 100-200% CTR with 80V maximum output voltage and highest inventory availability (23716 units). Both are ROHS3 compliant.

All substitute parts maintain 5000Vrms isolation voltage, single channel configuration, transistor with base output type, and 6-SMD surface mount package compatibility.

Frequently Asked Questions (FAQ)

Q: Can CNY17-2X007 be used as a direct replacement for CNY17-2X017? A: Yes. CNY17-2X007 is a parametric equivalent with identical isolation voltage (5000Vrms), Current Transfer Ratio (63-125% @ 10mA), output voltage (70V max), output current (50mA), Vce saturation (400mV), and operating temperature range (-55°C to 110°C). Both are manufactured by Vishay Semiconductor Opto Division in 6-SMD Gull Wing package.

Q: What is the difference between Broadcom and Everlight substitute parts? A: Broadcom substitutes (CNY17-1-300E, CNY17-2-500E, CNY17-3-360E, CNY17-3-500E, CNY17-4-300E, CNY17-4-500E) operate at -55°C to 100°C with 50mA or 150mA output current depending on part number. Everlight substitutes (CNY17-1S(TA), CNY17-3S(TA)) operate at -55°C to 110°C (matching the main part temperature range) and are available in Tape & Reel packaging. Everlight parts feature 80V maximum output voltage versus 70V for Broadcom parts.

Q: How do Current Transfer Ratio classifications affect substitution? A: Current Transfer Ratio (CTR) determines the input-to-output current gain. The main part CNY17-2X017 has 63-125% CTR. Substitutes are available in four CTR classifications: 40-80% (lower gain, higher input current required), 63-125% (direct match), 100-200% (higher gain, lower input current required), and 160-320% (highest gain). Selection depends on circuit design requirements for input current and switching characteristics.

Q: Are all substitute parts ROHS3 compliant? A: Yes. All listed substitute parts are ROHS3 compliant with Moisture Sensitivity Level 1 (Unlimited), matching the main part CNY17-2X017 compliance status.

Q: What packaging options are available? A: The main part CNY17-2X017 is supplied in Tube packaging. Substitute parts are available in Tube, Tape & Reel (TR), and Cut Tape (CT) & Digi-Reel® packaging options. Packaging selection depends on production volume and assembly equipment compatibility.

Q: Can I use CNY17-4-300E if my circuit requires lower input current? A: Yes. CNY17-4-300E has the highest Current Transfer Ratio (160-320% @ 10mA), meaning it requires the lowest input current to achieve the same output current compared to other substitutes. However, verify that the higher gain does not introduce instability in your specific circuit topology.

Q: What is the inventory status for high-volume applications? A: CNY17-3S(TA) from Everlight offers the highest inventory (23716 units), followed by CNY17-1-300E from Broadcom (20039 units). For Vishay parts, CNY17-2X007 provides 2100 units. Inventory levels support different production scales and lead time requirements.

Q: Are there differences in switching speed between substitutes? A: Yes. Turn On / Turn Off Time and Rise / Fall Time vary by manufacturer. Vishay CNY17-2X017 specifies 3µs and 2.3µs turn-on/off with 2µs rise/fall times. Broadcom parts specify 5µs rise/fall times. Everlight parts specify 10µs and 9µs turn-on/off with 6µs and 8µs rise/fall times. Verify timing compatibility with your circuit requirements.

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