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Product Detailed Parameters
- Description：OPTOISOLTR 5.3KV 1CH TRANS 6-DIP
- Series：SFH601-4
- Mfr：Isocom Components 2004 LTD
- Package：Tube
- Number of Channels：1
- Voltage - Isolation：5300Vrms
- 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
- Voltage - Output (Max)：100V
- 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 SFH601-4G is a single-channel optocoupler from Isocom Components, featuring an infrared LED input and an NPN silicon phototransistor output. It utilizes a 6-pin DIP package for through-hole mounting. Key electrical parameters include a maximum forward voltage of 1.65V at 60mA input current, and a typical rise time of 2µs with a fall time of 11µs. The device offers high isolation capability with a rated isolation voltage of 5300Vrms (7500V peak). Current transfer ratio specifications range from a minimum of 200% to a maximum of 400%, ensuring reliable signal transmission across the isolation barrier.
Feature Summary
- Provides galvanic isolation between input and output circuits using an infrared LED and NPN phototransistor configuration.
- Features high current transfer ratio performance suitable for efficient signal coupling in digital applications.
- Designed with robust insulation properties to withstand high transient voltages between isolated sides.
Applications
- General-purpose digital signal isolation in industrial control systems
- Interface circuits for microcontrollers and logic families requiring electrical separation
- Power supply feedback loops for voltage regulation and monitoring
Procurement Notes
Verify the specific suffix '4G' against official Isocom Components documentation to confirm pinout and parameter alignment. Ensure the procurement source provides valid traceability for this component variant. Cross-reference the manufacturer part number with authorized distributor listings to confirm authenticity and compliance with current manufacturing standards before finalizing orders.
Selection Notes
Select this component when a single-channel NPN output optocoupler with high CTR is required. The 5300Vrms isolation rating makes it suitable for applications demanding significant voltage separation. Consider the 6-pin DIP package constraints for PCB layout. Compare the 200-400% CTR range against circuit requirements to ensure adequate drive capability without excessive input current.
Part Context
The SFH601-4G belongs to the SFH600/SFH601 series of optically coupled isolators manufactured by Isocom Components. This series typically combines an infrared emitting diode with a silicon NPN phototransistor. Isocom positions these devices as replacements for standard industry types, often providing alternative sourcing for components no longer produced by original manufacturers. The series is designed for general-purpose isolation tasks.
Replacement Considerations
Official substitutes may include other SFH601 variants or compatible NPN output optocouplers with similar 5300Vrms isolation and DIP-6 packaging. Verify pin compatibility and CTR ranges before substitution. Consult Isocom Components documentation for approved equivalent part numbers within their portfolio.
