SFH600-2X006 Equivalent & Substitute Parts

Part Overview

The SFH600-2X006 is a single-channel optoisolator transistor with base output manufactured by Vishay Semiconductor Opto Division. This 6-DIP through-hole component provides 5300Vrms isolation and is designed for DC input applications requiring galvanic isolation with transistor output capability. The part is classified as Last Time Buy, indicating production discontinuation. Equivalent and substitute parts are necessary to ensure design continuity and maintain supply chain reliability for applications currently utilizing this component.

Key Parameters

Parameter	Value
Manufacturer Part Number	SFH600-2X006
Manufacturer	Vishay Semiconductor Opto Division
Category	Optoisolators
Package / Case	6-DIP (0.400", 10.16mm)
Number of Channels	1
Voltage - Isolation	5300Vrms
Current Transfer Ratio (Min)	100% @ 10mA
Current Transfer Ratio (Max)	200% @ 10mA
Output Type	Transistor with Base
Voltage - Output (Max)	70V
Current - Output / Channel	50mA
Operating Temperature	-55°C ~ 100°C
Mounting Type	Through Hole
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the SFH600-2X006 is determined by the following critical parameters:

Isolation Voltage: 5300Vrms or higher
Number of Channels: Single channel (1)
Output Type: Transistor with Base output
Package: 6-DIP through-hole configuration
Current Transfer Ratio Range: 100% to 200% @ 10mA
Maximum Output Voltage: 70V or higher
Output Current Capability: 50mA per channel
Operating Temperature Range: -55°C to 100°C minimum
Input Type: DC
Compliance: ROHS3 Compliant, MSL 1

Substitute parts are grouped into two categories:

Category A - Direct Vishay Equivalents: Parts from the same manufacturer (SFH601-3X016) that maintain identical electrical performance within the specified parameter ranges.

Category B - Cross-Manufacturer Alternatives: Isocom Components CNY17 series parts (CNY17-1G, CNY17-1XG, CNY17-2G, CNY17-2XG, CNY17-3XG, CNY17-4G, CNY17-4XG, CNY17-5G, CNY17-5XG) that meet or exceed the isolation voltage, output type, and package requirements while offering varying current transfer ratios to accommodate different application needs.

Parameter Comparison

Parameter	SFH600-2X006	SFH601-3X016	CNY17-1G	CNY17-1XG	CNY17-2G	CNY17-2XG	CNY17-3XG	CNY17-4G	CNY17-4XG	CNY17-5G	CNY17-5XG
Manufacturer	Vishay	Vishay	Isocom	Isocom	Isocom	Isocom	Isocom	Isocom	Isocom	Isocom	Isocom
Voltage - Isolation	5300Vrms	5000Vrms	5300Vrms	5300Vrms	5300Vrms	5300Vrms	5300Vrms	5300Vrms	5300Vrms	5300Vrms	5300Vrms
Number of Channels	1	1	1	1	1	1	1	1	1	1	1
Current Transfer Ratio (Min)	100% @ 10mA	100% @ 10mA	40% @ 10mA	40% @ 10mA	63% @ 10mA	63% @ 10mA	100% @ 10mA	160% @ 10mA	160% @ 10mA	200% @ 10mA	200% @ 10mA
Current Transfer Ratio (Max)	200% @ 10mA	200% @ 10mA	80% @ 10mA	80% @ 10mA	125% @ 10mA	125% @ 10mA	200% @ 10mA	320% @ 10mA	320% @ 10mA	400% @ 10mA	400% @ 10mA
Output Type	Transistor with Base	Transistor with Base	Transistor with Base	Transistor with Base	Transistor with Base	Transistor with Base	Transistor with Base	Transistor with Base	Transistor with Base	Transistor	Transistor with Base
Voltage - Output (Max)	70V	100V	70V	70V	70V	70V	70V	70V	70V	70V	70V
Current - Output / Channel	50mA	50mA	50mA	50mA	50mA	50mA	50mA	50mA	50mA	50mA	50mA
Operating Temperature	-55°C ~ 100°C	-55°C ~ 100°C	-55°C ~ 100°C	-55°C ~ 100°C	-55°C ~ 100°C	-55°C ~ 100°C	-55°C ~ 100°C	-55°C ~ 100°C	-55°C ~ 100°C	-55°C ~ 100°C	-55°C ~ 100°C
Package / Case	6-DIP (0.400", 10.16mm)	6-DIP (0.400", 10.16mm)	6-DIP (0.400", 10.16mm)	6-DIP (0.300", 7.62mm)	6-DIP (0.400", 10.16mm)	6-DIP (0.300", 7.62mm)	6-DIP (0.300", 7.62mm)	6-DIP (0.400", 10.16mm)	6-DIP (0.400", 10.16mm)	6-DIP (0.400", 10.16mm)	6-DIP (0.400", 10.16mm)
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	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	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

SFH601-3X016 (Vishay Semiconductor Opto Division) is the primary manufacturer-recommended substitute. This part maintains Active product status, ensuring long-term availability and supply chain stability. It meets all isolation voltage, output type, and package requirements. The isolation voltage specification of 5000Vrms is lower than the original 5300Vrms but remains within acceptable margins for most applications. Current transfer ratio performance is identical (100% to 200% @ 10mA). Maximum output voltage capability is enhanced to 100V, providing additional design margin.

CNY17-3XG (Isocom Components 2004 LTD) provides an exact electrical match to the SFH600-2X006, with identical current transfer ratio specifications (100% to 200% @ 10mA) and 5300Vrms isolation voltage. This part is Active status with robust inventory availability. The package footprint differs (0.300" vs 0.400" DIP width), requiring PCB layout verification before implementation.

CNY17-1G and CNY17-1XG offer lower current transfer ratios (40% to 80% @ 10mA) and are suitable only for applications where reduced gain is acceptable or where input current is higher than the original design specification.

CNY17-2G and CNY17-2XG provide intermediate current transfer ratios (63% to 125% @ 10mA) and serve applications requiring moderate gain characteristics.

CNY17-4G and CNY17-4XG deliver higher current transfer ratios (160% to 320% @ 10mA) for applications requiring increased output current or lower input drive requirements.

CNY17-5G and CNY17-5XG offer the highest current transfer ratios (200% to 400% @ 10mA). CNY17-5G uses transistor output without base connection, while CNY17-5XG includes base output, matching the original part's configuration.

All substitute parts maintain ROHS3 compliance and MSL 1 rating, ensuring regulatory and environmental compatibility with the original component.

Frequently Asked Questions (FAQ)

Q: Can SFH601-3X016 be used as a direct replacement for SFH600-2X006?

A: SFH601-3X016 is the manufacturer-recommended substitute and meets all critical electrical parameters. The isolation voltage is 5000Vrms versus 5300Vrms on the original part. For applications where 5000Vrms isolation is sufficient, this part provides full compatibility. Package dimensions and pin configuration are identical (6-DIP, 0.400" width).

Q: What is the difference between CNY17-3XG and CNY17-3G variants?

A: The primary difference is package width. CNY17-3XG uses a 0.300" (7.62mm) DIP width, while CNY17-3G uses a 0.400" (10.16mm) width. Both parts have identical electrical specifications. PCB layout and socket compatibility must be verified before selection.

Q: How do current transfer ratios affect substitution compatibility?

A: Current transfer ratio determines the relationship between input LED current and output transistor current. The SFH600-2X006 specifies 100% to 200% @ 10mA. Substitutes with lower ratios (CNY17-1 series at 40-80%) require higher input current to achieve the same output current. Substitutes with higher ratios (CNY17-4 and CNY17-5 series) require lower input current. Circuit design must accommodate these differences through input current adjustment.

Q: Are all substitute parts available in the same 6-DIP package?

A: All substitute parts use 6-DIP through-hole packaging. However, package width varies between 0.300" and 0.400" DIP. The SFH600-2X006 and most CNY17 variants use 0.400" width. CNY17-1XG, CNY17-2XG, and CNY17-3XG use 0.300" width. PCB socket and layout compatibility must be confirmed for narrow-body variants.

Q: What is the isolation voltage requirement for my application?

A: The SFH600-2X006 provides 5300Vrms isolation. SFH601-3X016 provides 5000Vrms, and all CNY17 series parts provide 5300Vrms. If your application requires 5300Vrms minimum, SFH601-3X016 may not be suitable. All CNY17 variants meet the original 5300Vrms specification.

Q: Can I use CNY17-5G instead of CNY17-5XG?

A: CNY17-5G provides transistor output without base connection, while CNY17-5XG includes base output. The SFH600-2X006 requires transistor with base output. CNY17-5XG is the correct variant for direct substitution. CNY17-5G is suitable only if your circuit design does not require base access.

Q: What compliance certifications apply to all substitute parts?

A: All substitute parts listed are ROHS3 compliant and carry MSL 1 (Unlimited) moisture sensitivity rating. All parts are REACH Unaffected and classified under ECCN EAR99 for export purposes.

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