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Product Detailed Parameters
- Description：OPTOISO 7.5KV 1CH TRANS W/BASE
- Series：SFH609-3
- Mfr：Isocom Components 2004 LTD
- Package：Tube
- Number of Channels：1
- Voltage - Isolation：7500Vpk
- 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 with Base
- Voltage - Output (Max)：90V
- 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：Surface Mount
- Package / Case：6-SMD, Gull Wing
- Supplier Device Package：-
- Grade：-
- Qualification：-
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Overview
The SFH609-3SM is a single-channel optocoupler featuring an infrared LED input and an NPN phototransistor output. It provides electrical isolation with a maximum insulation voltage of 2800 Vrms. The device operates within a temperature range of -55°C to +100°C. Key electrical parameters include a minimum collector-emitter breakdown voltage of 70 V, a typical current transfer ratio of 40%, and a maximum forward current of 60 mA. The component is housed in a surface-mount DIP-6 package.
Feature Summary
- Provides galvanic isolation between input and output circuits using optical transmission.
- Features an NPN phototransistor output stage for digital signal switching applications.
- Designed for surface-mount assembly to facilitate automated PCB manufacturing processes.
Applications
- Digital signal isolation in industrial control systems
- Interface circuits for microcontrollers and logic families
- Switching power supply feedback loops
Procurement Notes
Verify the specific suffix 'SM' confirms the surface-mount variant against the standard through-hole SFH609-3. Confirm RoHS compliance status and UL recognition file numbers directly from the manufacturer's datasheet before finalizing procurement specifications.
Selection Notes
Select this component when surface-mount packaging is required for single-channel isolation. Ensure the 70 V collector-emitter voltage rating meets the load requirements. Verify that the 40% current transfer ratio is sufficient for the intended logic level translation or switching speed needs.
Part Context
This part belongs to the SFH600 series of optocouplers manufactured by Isocom Components. The series includes various lead forms and output configurations. The SFH609-3 specifically denotes the transistor output variant with defined electrical characteristics suitable for general-purpose isolation tasks.
FAQ
What is the maximum operating temperature for the SFH609-3SM?
The maximum operating temperature is 100°C.
Does the SFH609-3SM support AC input signals directly?
No, it uses an infrared LED input which requires DC current driving; it is not designed for direct AC input without rectification.
