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Product Detailed Parameters
- Description：OPTOISOLTR 5.3KV 1CH TRANS 4-DIP
- Series：SFH617G-2
- Mfr：Isocom Components 2004 LTD
- Package：Tube
- Number of Channels：1
- Voltage - Isolation：5300Vrms
- Current Transfer Ratio (Min)：63% @ 10mA
- Current Transfer Ratio (Max)：125% @ 10mA
- Turn On / Turn Off Time (Typ)：3µs, 2.3µs
- Rise / Fall Time (Typ)：2µs, 2µs
- Input Type：DC
- Output Type：Transistor
- Voltage - Output (Max)：70V
- Current - Output / Channel：-
- Voltage - Forward (Vf) (Typ)：1.65V
- 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 SFH617G-2 is a single-channel optically coupled isolator manufactured by Isocom Components 2004 LTD. It integrates an infrared light-emitting diode with an NPN silicon phototransistor within a space-efficient dual in-line package (DIP). The device provides electrical isolation with a rated voltage of 5300Vrms. It supports a maximum forward current of 50 mA and operates within a temperature range of -30°C to 100°C. The component features a reverse voltage rating of 6V and is designed for general-purpose signal isolation applications.
Feature Summary
- Integrates an infrared LED with an NPN silicon phototransistor for optical signal transmission
- Provides high-voltage electrical isolation between input and output circuits
- Utilizes a compact dual in-line package design for efficient board space utilization
Applications
- General-purpose signal isolation in electronic circuits
- Interface switching between microprocessors and peripheral devices
- Isolation in industrial control systems requiring galvanic separation
Procurement Notes
Verify the specific manufacturer designation, as Isocom Components 2004 LTD may operate under different corporate structures or branding compared to historical records. Confirm that the received component matches the SFH617G-2 part number exactly, ensuring the package type and pin configuration align with the four-pin DIP specification. Request official datasheets directly from authorized suppliers to validate technical parameters against current manufacturing standards.
Selection Notes
Select this component when a single-channel isolation solution with moderate speed requirements is needed. Ensure the application voltage does not exceed the 5300Vrms isolation rating. Consider the thermal operating range of -30°C to 100°C for environmental compatibility. Verify that the NPN phototransistor output characteristics meet the load requirements of the receiving circuitry without exceeding the specified current limits.
Part Context
The SFH617G-2 belongs to the SFH617 series of optocouplers from Isocom Components 2004 LTD. This series typically includes variants such as SFH617A-2X and SFH617G-3, which share similar structural designs but may differ in specific electrical characteristics or packaging configurations. The series is characterized by the integration of infrared emitters and silicon phototransistors in standard DIP packages.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Cross-referencing with other manufacturers requires independent verification of electrical parameters and pinout compatibility.
