SFH601-1X016 Equivalent & Substitute Parts

Part Overview

The SFH601-1X016 is a single-channel optoisolator with transistor output and base connection, manufactured by Vishay Semiconductor Opto Division. It provides 5300Vrms isolation voltage in a 6-DIP through-hole package. The part is classified as obsolete, making equivalent substitutes necessary for new designs and ongoing production requirements. Substitute parts must maintain compatibility across isolation voltage, output configuration, package type, and electrical performance parameters.

Key Parameters

Parameter	SFH601-1X016
Manufacturer	Vishay Semiconductor Opto Division
Category	Optoisolators
Product Status	Obsolete
Number of Channels	1
Voltage - Isolation	5300Vrms
Current Transfer Ratio (Min)	40% @ 10mA
Current Transfer Ratio (Max)	80% @ 10mA
Output Type	Transistor with Base
Voltage - Output (Max)	100V
Current - Output / Channel	50mA
Mounting Type	Through Hole
Package / Case	6-DIP (0.400", 10.16mm)
Operating Temperature	-55°C ~ 100°C
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the SFH601-1X016 is determined by the following critical parameters:

Package Compatibility: All substitutes must use 6-DIP (0.400", 10.16mm) through-hole packaging to ensure direct board-level compatibility.

Isolation Voltage: The main part specifies 5300Vrms isolation. Substitutes with equal or higher isolation voltage (5300Vrms or 7500Vpk) are electrically compatible, as higher isolation provides equivalent or superior performance.

Output Configuration: The main part features transistor output with base connection. Substitutes must maintain this output type to preserve circuit functionality and signal control characteristics.

Input Type: All parts operate with DC input, ensuring consistent drive requirements.

Current Transfer Ratio Range: The main part specifies 40–80% @ 10mA. Substitutes with 63–125% @ 10mA provide higher transfer efficiency while maintaining functional compatibility.

Electrical Ratings: Maximum output voltage (100V), forward voltage characteristics, saturation voltage, and operating temperature range (-55°C ~ 100°C) define the operational envelope for direct substitution.

Compliance: All substitutes must maintain ROHS3 compliance and MSL Level 1 (Unlimited) moisture sensitivity rating.

Parameter Comparison

Parameter	SFH601-1X016	CNY17-1M-V	SFH601-1G	SFH601-2G	SFH601-3G	SFH601-4G	SFH601-5G
Manufacturer	Vishay	Everlight Electronics	Isocom	Isocom	Isocom	Isocom	Isocom
Product Status	Obsolete	Active	Active	Active	Active	Active	Active
Voltage - Isolation	5300Vrms	5000Vrms	7500Vpk	5300Vrms	7500Vpk	5300Vrms	7500Vpk
Current Transfer Ratio (Min)	40% @ 10mA	40% @ 10mA	63% @ 10mA	63% @ 10mA	63% @ 10mA	63% @ 10mA	63% @ 10mA
Current Transfer Ratio (Max)	80% @ 10mA	80% @ 10mA	125% @ 10mA	125% @ 10mA	125% @ 10mA	125% @ 10mA	125% @ 10mA
Turn On Time (Typ)	3µs	10µs	3µs	4.2µs	4.2µs	6µs	6µs
Turn Off Time (Typ)	2.3µs	9µs	18µs	23µs	23µs	25µs	25µs
Output Type	Transistor with Base	Transistor with Base	Transistor with Base	Transistor with Base	Transistor with Base	Transistor	Transistor with Base
Voltage - Output (Max)	100V	80V	100V	100V	100V	100V	100V
Voltage - Forward (Vf) (Typ)	1.25V	1.65V (Max)	1.2V	1.2V	1.2V	1.2V	1.2V
Vce Saturation (Max)	400mV	300mV	400mV	400mV	400mV	400mV	400mV
Operating Temperature	-55°C ~ 100°C	-55°C ~ 110°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 (0.400", 10.16mm)	6-DIP (0.400", 10.16mm)	6-DIP (0.400", 10.16mm)	6-DIP (0.400", 10.16mm)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Primary Substitutes (Matched Isolation Voltage):

SFH601-2G and SFH601-4G maintain the 5300Vrms isolation specification of the original part. Both are manufactured by Isocom with active product status, ensuring long-term availability and supply chain stability. SFH601-2G includes base output configuration identical to the main part. SFH601-4G omits the base connection but retains transistor output functionality.

Alternative Substitutes (Higher Isolation Voltage):

SFH601-1G, SFH601-3G, and SFH601-5G provide 7500Vpk isolation, exceeding the 5300Vrms requirement. These parts are suitable for applications requiring enhanced isolation margin. All three maintain active product status and ROHS3 compliance.

Secondary Alternative (Different Manufacturer):

CNY17-1M-V, manufactured by Everlight Electronics, provides 5000Vrms isolation with active product status. This part is suitable for applications where isolation voltage tolerance permits operation below the original 5300Vrms specification. The part features improved saturation voltage (300mV vs. 400mV) and extended operating temperature range (-55°C ~ 110°C).

Compliance Consideration:

All substitute parts maintain ROHS3 compliance and MSL Level 1 rating, meeting regulatory and environmental requirements equivalent to the original part.

Frequently Asked Questions (FAQ)

Q: Can SFH601-4G be used as a direct replacement for SFH601-1X016?

A: SFH601-4G is electrically compatible in terms of isolation voltage (5300Vrms), package type (6-DIP), and output voltage rating (100V). However, SFH601-4G lacks the base connection present in the original part. If the circuit design requires base control functionality, SFH601-2G is the appropriate substitute. If base control is not required, SFH601-4G is suitable.

Q: What is the difference between 5300Vrms and 7500Vpk isolation specifications?

A: Both specifications define isolation voltage but use different measurement standards. 5300Vrms is the RMS (root mean square) value, while 7500Vpk is the peak voltage value. Parts rated at 7500Vpk provide equivalent or superior isolation performance compared to 5300Vrms specifications and are compatible substitutes.

Q: Does CNY17-1M-V meet the isolation voltage requirement?

A: CNY17-1M-V provides 5000Vrms isolation, which is slightly lower than the original 5300Vrms specification. This part is suitable for applications where the circuit design tolerates isolation voltage at or above 5000Vrms. For applications requiring strict adherence to 5300Vrms or higher, SFH601-2G, SFH601-4G, SFH601-1G, SFH601-3G, or SFH601-5G are recommended.

Q: Are all substitute parts available in the same packaging?

A: Yes. All substitute parts use 6-DIP (0.400", 10.16mm) through-hole packaging, ensuring direct board-level compatibility without layout modifications.

Q: What is the impact of different Current Transfer Ratio ranges on circuit performance?

A: The original part specifies 40–80% CTR @ 10mA. Substitute parts with 63–125% CTR provide higher transfer efficiency, resulting in improved signal transmission and reduced input current requirements. Circuit designs must account for this increased efficiency in input drive calculations.

Q: Which substitute offers the best long-term availability?

A: All substitute parts carry active product status, indicating current manufacturing and distribution. SFH601-2G and SFH601-4G, manufactured by Isocom, and CNY17-1M-V, manufactured by Everlight Electronics, all maintain established supply chains suitable for production applications.

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