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Product Detailed Parameters
- Description：OPTOISO 7.5KV 1CH TRANS W/BASE
- Series：SFH600-4
- 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)：6µs, 25µs
- Rise / Fall Time (Typ)：4.6µs, 15µs
- 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：Surface Mount
- Package / Case：6-SMD, Gull Wing
- Supplier Device Package：-
- Grade：-
- Qualification：-
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Overview
The SFH600-4SM is a single-channel optoisolator manufactured by Isocom Components 2004 LTD. It features an infrared light emitting diode coupled with a NPN silicon phototransistor output. The device provides high isolation voltage of 7500Vpk and operates with a forward current up to 60 mA. It is housed in a 6-pin DIP package, suitable for surface mount or through-hole applications depending on the specific variant configuration.
Feature Summary
- Integrates an infrared LED with a NPN silicon phototransistor for signal isolation
- Provides high voltage isolation capability between input and output circuits
- Designed for reliable digital signal transmission in compact packages
Applications
- General purpose signal isolation in industrial control systems
- Interface circuits for microcontrollers and logic families
- Power supply feedback loops requiring galvanic isolation
Procurement Notes
Verify the exact suffix designation against official Isocom Components documentation to confirm pinout and isolation ratings. Ensure the selected variant matches the required package type and voltage specifications for the target application circuit design.
Selection Notes
Select this component when high isolation voltage is required alongside standard NPN phototransistor output characteristics. Consider the 60 mA forward current limit and package constraints during PCB layout planning to ensure adequate creepage and clearance distances are maintained.
Part Context
This part belongs to the SFH600 series of optocouplers from Isocom Components. The series typically includes variants with different isolation ratings and package options. The SFH600-4SM specifically denotes a version with 7500Vpk isolation, distinguishing it from lower-rated siblings like the SFH600-0XSM which offers 5300Vrms.
Replacement Considerations
Direct substitutes may include other SFH600 series variants such as SFH600-4 or SFH600-4XSM if isolation ratings and pinouts are compatible. Verify electrical parameters and physical dimensions before substitution.
