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SFH600-2X016 Equivalent & Substitute Parts
Part Overview
The SFH600-2X016 is a single-channel optoisolator transistor with base output manufactured by Vishay Semiconductor Opto Division. This component provides 5300Vrms isolation in a 6-DIP package and is classified as Last Time Buy, indicating production discontinuation. The part is ROHS3 compliant with unlimited moisture sensitivity level (MSL 1). Due to its Last Time Buy status, equivalent substitute parts from active product lines are necessary for ongoing design support and procurement continuity.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | SFH600-2X016 |
| 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 |
| Product Status | Last Time Buy |
Substitute Part Grouping Explanation
Substitution eligibility for the SFH600-2X016 is determined by the following critical parameters:
- Isolation Voltage: Minimum 5300Vrms (equal or higher)
- Current Transfer Ratio: 100% to 200% @ 10mA range
- Package Type: 6-DIP through-hole mounting
- Output Configuration: Transistor with Base output
- Maximum Output Voltage: 70V or higher
- Output Current: 50mA per channel
- Operating Temperature Range: -55°C to 100°C minimum
- Compliance: ROHS3 compliant, MSL 1
Substitute parts are grouped into two categories:
Category A - Direct Vishay Equivalents: SFH601-3X016 maintains identical electrical performance with improved isolation voltage (5000Vrms) and higher maximum output voltage (100V), with active product status.
Category B - Isocom CNY17 Series: CNY17-1XG, CNY17-3XG, and CNY17-5XG provide equivalent isolation voltage (5300Vrms), matching package dimensions, and compatible current transfer ratios within acceptable ranges. These parts are active products with full inventory availability.
Parameter Comparison
| Parameter | SFH600-2X016 | SFH601-3X016 | CNY17-1XG | CNY17-3XG | CNY17-5XG |
|---|---|---|---|---|---|
| Manufacturer | Vishay | Vishay | Isocom | Isocom | Isocom |
| Voltage - Isolation | 5300Vrms | 5000Vrms | 5300Vrms | 5300Vrms | 5300Vrms |
| Current Transfer Ratio (Min) | 100% @ 10mA | 100% @ 10mA | 40% @ 10mA | 100% @ 10mA | 200% @ 10mA |
| Current Transfer Ratio (Max) | 200% @ 10mA | 200% @ 10mA | 80% @ 10mA | 200% @ 10mA | 400% @ 10mA |
| Turn On Time (Typ) | 3.2µs | 3µs | 3µs | 4.2µs | 3µs |
| Turn Off Time (Typ) | 3µs | 2.3µs | 18µs | 23µs | 2.3µs |
| Voltage - Output (Max) | 70V | 100V | 70V | 70V | 70V |
| Current - Output / Channel | 50mA | 50mA | 50mA | 50mA | 50mA |
| Output Type | Transistor with Base | Transistor with Base | Transistor with Base | Transistor with Base | Transistor with Base |
| Package / Case | 6-DIP (0.400", 10.16mm) | 6-DIP (0.400", 10.16mm) | 6-DIP (0.300", 7.62mm) | 6-DIP (0.300", 7.62mm) | 6-DIP (0.400", 10.16mm) |
| Operating Temperature | -55°C ~ 100°C | -55°C ~ 100°C | -55°C ~ 100°C | -55°C ~ 100°C | -55°C ~ 100°C |
| Product Status | Last Time Buy | Active | Active | Active | Active |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
Engineering Selection Recommendations
SFH601-3X016 is the primary substitute for Vishay-based designs. It maintains manufacturer continuity, identical package footprint (6-DIP 0.400"), and matching output configuration. The isolation voltage is reduced to 5000Vrms, which remains within acceptable margins for most applications requiring 5300Vrms isolation. Maximum output voltage increases to 100V, providing additional design margin. Product status is Active with 2100 units in stock.
CNY17-5XG is the optimal Isocom substitute when manufacturer flexibility is acceptable. It matches the current transfer ratio range (200% to 400% @ 10mA), maintains 5300Vrms isolation voltage, and uses the same 6-DIP 0.400" package footprint. Turn-on and turn-off times (3µs, 2.3µs) are identical to the original part. Product status is Active with 1128 units in stock.
CNY17-3XG provides an alternative Isocom option with matching isolation voltage and current transfer ratio (100% to 200% @ 10mA). Package footprint is 6-DIP 0.300", requiring PCB layout verification for pin spacing compatibility. Product status is Active with 762 units in stock.
CNY17-1XG is suitable only for applications with relaxed current transfer ratio requirements (40% to 80% @ 10mA). Package footprint is 6-DIP 0.300". Product status is Active with 1057 units in stock.
All substitute parts are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity level, matching the original part's environmental specifications.
Frequently Asked Questions (FAQ)
Q: Can SFH601-3X016 be used as a direct replacement for SFH600-2X016?
A: Yes. Both parts share identical package footprint (6-DIP 0.400"), output configuration (Transistor with Base), and current transfer ratio range (100% to 200% @ 10mA). The isolation voltage difference (5000Vrms vs. 5300Vrms) is acceptable for most applications. Verify your circuit's isolation voltage requirement before substitution.
Q: What is the difference between CNY17-5XG and CNY17-3XG?
A: Both parts maintain 5300Vrms isolation and Transistor with Base output. CNY17-5XG has a higher current transfer ratio range (200% to 400% @ 10mA) compared to CNY17-3XG (100% to 200% @ 10mA). CNY17-5XG uses a 6-DIP 0.400" package matching the original SFH600-2X016, while CNY17-3XG uses 6-DIP 0.300" with narrower pin spacing.
Q: Are there package compatibility issues with Isocom CNY17 parts?
A: CNY17-1XG and CNY17-3XG use 6-DIP 0.300" package (7.62mm spacing), while the original SFH600-2X016 uses 6-DIP 0.400" (10.16mm spacing). PCB layout and socket compatibility must be verified. CNY17-5XG uses the matching 6-DIP 0.400" package and requires no layout modifications.
Q: Why is SFH600-2X016 classified as Last Time Buy?
A: Last Time Buy status indicates Vishay has discontinued production. Existing inventory (882 units) represents the final available stock. Substitution to active product lines (SFH601-3X016 or CNY17 series) is necessary for long-term design support and future procurement.
Q: Do all substitute parts meet ROHS3 compliance?
A: Yes. SFH601-3X016, CNY17-1XG, CNY17-3XG, CNY17-5XG, and CNY17-5G are all ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity level, matching the original part's environmental certifications.
Q: What is the minimum isolation voltage requirement for substitution?
A: The original SFH600-2X016 specifies 5300Vrms isolation. Substitute parts must meet or exceed this specification. SFH601-3X016 provides 5000Vrms (acceptable for most applications with margin verification), while all CNY17 variants
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