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Product Detailed Parameters
- Description：OPTOISOLTR 5.3KV 1CH TRANS 4-DIP
- Series：SFH617G
- Mfr：Isocom Components 2004 LTD
- Package：Tube
- Number of Channels：1
- Voltage - Isolation：5300Vrms
- Current Transfer Ratio (Min)：40% @ 10mA
- Current Transfer Ratio (Max)：80% @ 10mA
- Turn On / Turn Off Time (Typ)：3µs, 18µs
- Rise / Fall Time (Typ)：2µs, 11µs
- Input Type：DC
- Output Type：Transistor
- Voltage - Output (Max)：70V
- Current - Output / Channel：-
- 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 SFH617G-1 is a single-channel optoisolator manufactured by Isocom Components. It integrates an infrared light-emitting diode with an NPN silicon phototransistor in a space-efficient dual in-line package. The device provides electrical isolation between input and output circuits, rated at 5300Vrms. It supports through-hole mounting and accepts DC input current. Key performance metrics include a maximum forward voltage of 1.65V, a typical rise time of 2µs, and a typical fall time of 11µs. The unit features a maximum input current rating of 60mA.
Feature Summary
- Integrates an infrared LED with an NPN silicon phototransistor for signal transfer
- Provides high-voltage electrical isolation between input and output circuits
- Designed for space-efficient installation using a dual in-line package
Applications
- Signal isolation between digital logic circuits
- Switching applications requiring galvanic isolation
- Industrial control systems needing circuit protection
Procurement Notes
Verify the specific suffix designation to ensure compatibility with required pin configurations and lead styles. Confirm that the operating temperature range aligns with the target application environment. Cross-reference the datasheet specifications against system requirements for isolation voltage and current transfer ratio before finalizing component selection.
Selection Notes
Select this component when a single-channel isolation solution with NPN transistor output is required. Consider the 5300Vrms isolation rating for safety compliance in mains-connected designs. Evaluate the 2µs rise time against switching speed requirements. Ensure the DIP package dimensions fit within the available PCB real estate constraints.
Part Context
This part belongs to the SFH617G series of optically coupled isolators from Isocom Components. The series utilizes standard NPN silicon phototransistor technology paired with infrared emitters. These devices are engineered for general-purpose isolation tasks, offering a balance of performance and reliability for electronic circuit design.
Replacement Considerations
Cross-reference with industry-standard equivalents such as the CNY17F-1XG or SFH617G-2/3/4 variants if pinout or channel count adjustments are necessary. Verify functional equivalence regarding isolation voltage and current transfer ratios before substitution.
