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Product Detailed Parameters
- Description：OPTOISOLTR 5.3KV 1CH TRANS 4-SMD
- Series：SFH618A-3
- Mfr：Isocom Components 2004 LTD
- Package：Tape & Reel (TR),Cut Tape (CT)
- Number of Channels：1
- Voltage - Isolation：5300Vrms
- Current Transfer Ratio (Min)：100% @ 1mA
- Current Transfer Ratio (Max)：200% @ 1mA
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：4µs, 3µs
- Input Type：DC
- Output Type：Transistor
- Voltage - Output (Max)：55V
- Current - Output / Channel：50mA
- Voltage - Forward (Vf) (Typ)：1.5V (Max)
- Current - DC Forward (If) (Max)：50 mA
- Vce Saturation (Max)：400mV
- Operating Temperature：-30°C ~ 100°C
- Mounting Type：Surface Mount
- Package / Case：4-SMD, Gull Wing
- Supplier Device Package：4-SMD
- Grade：-
- Qualification：-
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Overview
The SFH618A-3XSMT&R is a surface mount optocoupler from Isocom Components, featuring a single channel with a phototransistor output. It utilizes a Surface Mount PDIP package containing four pins. The device supports a maximum forward current of 50 mA and provides an isolation voltage of 5 kVrms (or 5300 Vrms). Technical specifications indicate a typical rise time of 2 µs and a typical fall time of 11 µs. The component operates with DC input current and offers a maximum current transfer ratio of 100%.
Feature Summary
- Integrates a single-channel phototransistor output for signal transmission across electrical isolation barriers.
- Designed for surface mount assembly using a compact four-pin PDIP case style.
- Provides high-voltage isolation capability between input and output circuits.
Applications
- General purpose signal isolation in electronic circuits
- Interface applications requiring galvanic separation
- Digital signal transmission systems
Procurement Notes
Verify the specific manufacturer designation against official Isocom Components documentation to ensure accuracy. Confirm that the SMD variant matches the required footprint and pin configuration for the target PCB layout. Cross-reference the isolation voltage rating and current transfer ratio requirements with the system design specifications before finalizing procurement.
Selection Notes
Select this component when a surface mount solution is required for single-channel isolation. Ensure the design accommodates the 4-pin SMD footprint and the specified maximum forward current limits. Verify that the phototransistor output characteristics align with the load requirements of the receiving circuitry.
Part Context
This part belongs to the SFH618 series of optocouplers manufactured by Isocom Components. It represents a surface mount version of the standard DIP optocoupler family, adapted for automated assembly processes while maintaining similar electrical performance characteristics regarding isolation and switching speeds.
Replacement Considerations
The SFH618A-3XSM is listed as a related product within the same manufacturer's portfolio. Verify compatibility through official datasheets before substitution.
