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Product Detailed Parameters
- Description：OPTOISO 7.5KV TRANS W/BASE 6-DIP
- Series：SFH600-3
- Mfr：Isocom Components 2004 LTD
- Package：Tube
- Number of Channels：1
- Voltage - Isolation：7500Vpk
- Current Transfer Ratio (Min)：63% @ 10mA
- Current Transfer Ratio (Max)：125% @ 10mA
- Turn On / Turn Off Time (Typ)：4.2µs, 23µs
- Rise / Fall Time (Typ)：3µs, 14µs
- Input Type：DC
- Output Type：Transistor with Base
- Voltage - Output (Max)：70V
- Current - Output / Channel：-
- Voltage - Forward (Vf) (Typ)：1.2V
- Current - DC Forward (If) (Max)：60 mA
- Vce Saturation (Max)：400mV
- Operating Temperature：-55°C ~ 100°C
- Mounting Type：Through Hole
- Package / Case：6-DIP (0.400", 10.16mm)
- Supplier Device Package：6-DIP
- Grade：-
- Qualification：-
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Overview
The SFH600-3G is a single-channel optocoupler from Isocom Components, featuring an infrared LED coupled to an NPN silicon phototransistor with a base lead. It utilizes a 6-pin DIP package for through-hole mounting. Key electrical specifications include a maximum forward voltage of 1.65V and a peak input current of 60 mA. The device offers a high isolation voltage of 5.3 kVrms (7500 Vpk). Typical performance metrics include a rise time of 2µs and a fall time of 11µs. The current transfer ratio ranges from a minimum of 200% to a maximum of 400%, ensuring reliable signal transmission across the isolation barrier.
Feature Summary
- Integrates an infrared emitting diode with an NPN silicon phototransistor output stage
- Provides enhanced isolation capability via a dedicated base terminal on the phototransistor
- Designed for robust signal coupling in digital and analog circuits
Applications
- Industrial control systems requiring galvanic isolation
- Microcontroller interface circuits for noise immunity
- Power supply feedback loops
Procurement Notes
Verify the specific suffix '3G' against manufacturer documentation to confirm pinout configuration and internal transistor base connection. Ensure the selected package variant matches the required PCB footprint. Cross-reference datasheet parameters such as CTR and isolation voltage with system requirements before finalizing procurement orders.
Selection Notes
Select this component when a phototransistor output with a base terminal is required for improved switching speed or sensitivity. Compare the 5.3 kVrms isolation rating against safety standards applicable to the target application. Evaluate the 60 mA maximum input current limit to ensure appropriate drive circuit design.
Part Context
This part belongs to the SFH600 series of optically coupled isolators manufactured by Isocom Components. The series typically includes variants with different output configurations and packaging options. These devices are designed to replace older generations of optocouplers while maintaining compatibility with standard DIP footprints.
Replacement Considerations
Direct substitutes may include other SFH600 series variants with similar pinouts. Verify functional equivalence regarding the presence of the base terminal and matching isolation voltage ratings before substitution.
