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Product Detailed Parameters
- Description：OPTOISO 7.5KV 1CH TRANS W/BASE
- Series：SFH609-1
- Mfr：Isocom Components 2004 LTD
- Package：Tube
- Number of Channels：1
- Voltage - Isolation：7500Vpk
- Current Transfer Ratio (Min)：40% @ 10mA
- Current Transfer Ratio (Max)：80% @ 10mA
- Turn On / Turn Off Time (Typ)：3µs, 18µs
- Rise / Fall Time (Typ)：2µs, 11µs
- 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 SFH609-1SM is a single-channel transistor output optocoupler manufactured by Isocom Components. It features a phototransistor output with a base terminal for improved switching performance and high isolation capability of 5300 Vrms. The device operates within a temperature range of -40°C to 100°C and utilizes a surface-mount 6-SMD (gull-wing) package. Key electrical characteristics include a maximum collector-emitter voltage of 70V, a typical forward voltage of 1.2V, and a current transfer ratio ranging from 100% to 300% at a forward current of 10mA.
Feature Summary
- Provides galvanic isolation between input and output circuits via an internal LED and phototransistor.
- Includes a base terminal on the phototransistor to facilitate faster switching speeds and reduced storage time.
- Designed for surface-mount assembly in compact electronic systems requiring reliable signal transmission.
Applications
- Industrial control systems requiring isolated signal interfacing
- Communication equipment for data line isolation
- Power supply feedback loops for voltage regulation
Procurement Notes
Verify the specific suffix 'SM' confirms the surface-mount gull-wing package variant rather than through-hole DIP. Confirm that the manufacturer designation aligns with Isocom Components or authorized equivalents, as sourcing channels may list different primary manufacturers for identical specifications. Ensure compliance with RoHS directives if required for the target application environment.
Selection Notes
Select this component when a surface-mount footprint is mandatory and base-driven phototransistor outputs are needed for enhanced speed. Compare the 5300 Vrms isolation rating against system safety requirements. Evaluate the 100-300% CTR range to ensure adequate drive capability for the downstream load without exceeding maximum forward current limits.
Part Context
This part belongs to the SFH609 series of transistor output optocouplers. The series is characterized by high isolation voltages and robust performance in industrial environments. The 'SM' suffix specifically denotes the surface-mount configuration, distinguishing it from standard DIP versions while maintaining similar electrical parameters.
Replacement Considerations
Cross-reference with other single-channel transistor output optocouplers featuring base terminals and surface-mount packages. Verify compatibility regarding pinout configuration, isolation voltage ratings, and current transfer ratio ranges before substitution.
