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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)：100% @ 10mA
- Current Transfer Ratio (Max)：200% @ 10mA
- Turn On / Turn Off Time (Typ)：4.2µs, 23µs
- Rise / Fall Time (Typ)：3µs, 14µs
- 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-3 is a single-channel optocoupler manufactured by Isocom Components. It integrates an infrared LED with an NPN silicon phototransistor in a space-efficient dual in-line package. Key electrical parameters include a maximum collector-emitter voltage of 70V and an isolation voltage of 5300 Vrms. Typical switching characteristics feature a rise time of 3µs and a fall time of 14µs, with turn-on/turn-off times of 4.2µs and 23µs respectively. The device supports DC input and operates within standard through-hole mounting configurations.
Feature Summary
- Integrates an infrared light emitting diode with an NPN silicon photo transistor for signal isolation
- Provides high electrical isolation capability suitable for separating circuits with different potential levels
- Designed for space-efficient installation using a dual in-line package format
Applications
- General purpose signal isolation in electronic circuits
- Interface between microprocessors and peripheral devices
- Switching applications requiring galvanic separation
Procurement Notes
Verify the specific manufacturer designation and component marking against official Isocom documentation to ensure authenticity. Confirm that the required isolation voltage and switching speed parameters align with your circuit design requirements before finalizing procurement decisions.
Selection Notes
Select this component when a single-channel transistor output optocoupler is required with moderate switching speeds. Ensure the 70V collector-emitter voltage rating meets the load requirements and verify that the 5300 Vrms isolation level satisfies safety standards for the intended application environment.
Part Context
The SFH617G series consists of optically coupled isolators featuring infrared LEDs and NPN silicon phototransistors. This family offers drop-in replacements for industry-standard parts, providing a streamlined supply chain solution for designers seeking reliable optoelectronic components with established performance characteristics.
Replacement Considerations
Cross-reference with other single-channel NPN phototransistor optocouplers in DIP packages if availability is constrained. Verify pinout compatibility and electrical parameter equivalence to ensure functional interchangeability without redesigning the host circuit.
