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Product Detailed Parameters
- Description：OPTOISO 4.47KV 1CH TRANS 4-DIP
- Series：SFH617A
- Mfr：Isocom Components 2004 LTD
- Package：Tube
- Number of Channels：1
- Voltage - Isolation：4470Vrms
- Current Transfer Ratio (Min)：63% @ 10mA
- Current Transfer Ratio (Max)：125% @ 10mA
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：4µs, 3µs
- Input Type：DC
- Output Type：Transistor
- Voltage - Output (Max)：70V
- Current - Output / Channel：50mA
- Voltage - Forward (Vf) (Typ)：1.65V (Max)
- Current - DC Forward (If) (Max)：50 mA
- Vce Saturation (Max)：400mV
- Operating Temperature：-30°C ~ 100°C
- Mounting Type：Through Hole
- Package / Case：4-DIP (0.400", 10.16mm)
- Supplier Device Package：4-DIP
- Grade：-
- Qualification：-
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Overview
The SFH617A-2XG is a single-channel transistor output optocoupler manufactured by Isocom Components 2004 LTD. It features an infrared LED coupled to an NPN silicon phototransistor in a 4-pin DIP package. Key electrical parameters include a maximum forward voltage of 1.65V, a collector-emitter saturation voltage of 400mV, and a reverse voltage of 6V. The device supports a maximum input current of 60mA and a maximum collector current of 50mA. It provides an isolation voltage of 4470Vrms and operates within a temperature range of -55°C to +110°C.
Feature Summary
- Provides galvanic isolation between high-voltage and low-voltage circuits using an infrared LED and NPN phototransistor configuration.
- Designed for through-hole mounting in standard 4-pin DIP packages suitable for general-purpose signal transmission.
- Capable of handling significant voltage differences with specified isolation ratings for safety compliance.
Applications
- Electrical isolation between microcontroller interfaces and high-voltage power stages
- Signal transmission in industrial control systems requiring component-level isolation
- Switching applications in AC motor control circuits
Procurement Notes
Verify the specific suffix designation against the manufacturer's latest documentation to ensure compatibility with required insulation and packaging standards. Confirm that the 4-pin DIP form factor aligns with existing PCB footprints. Cross-reference the isolation voltage rating with system safety requirements to guarantee adequate creepage and clearance distances are maintained in the final design implementation.
Selection Notes
Select this component when a single-channel NPN phototransistor output is required for cost-effective isolation. Ensure the application does not exceed the 50mA collector current limit or the 60mA forward current specification. Consider the thermal operating range of -55°C to +110°C for environmental suitability. Verify that the 4470Vrms isolation rating meets the specific safety standards mandated by the end-product regulatory framework.
Part Context
This part belongs to the SFH617 series of transistor output optocouplers from Isocom Components 2004 LTD. The series utilizes silicon technology for reliable signal coupling. The '2XG' suffix typically denotes specific packaging or compliance variations within the product line, distinct from other pin counts or output types like triac or logic gate outputs found in related models.
Replacement Considerations
The VO617A-4X016 from Vishay Semiconductors is listed as a recommended alternative. Both devices offer transistor output configurations in DIP packages. Verify that the replacement's current transfer ratio and switching speed characteristics match the original circuit requirements before substitution.
