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Product Detailed Parameters
- Description：OPTOISOLTR 5.3KV 1CH TRANS 4-SMD
- Series：-
- Mfr：Vishay Semiconductor Opto Division
- Package：Tube
- 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)：6µs, 5.5µs
- Rise / Fall Time (Typ)：3.5µs, 5µs
- Input Type：DC
- Output Type：Transistor
- Voltage - Output (Max)：55V
- Current - Output / Channel：50mA
- Voltage - Forward (Vf) (Typ)：1.1V
- Current - DC Forward (If) (Max)：60 mA
- Vce Saturation (Max)：400mV
- Operating Temperature：-55°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-3X017 is a single-channel surface-mount phototransistor optocoupler from Vishay. It features an NPN phototransistor output with a maximum collector current of 100 mA and a collector-emitter voltage of 55 V. The device provides high isolation capability with a rated voltage of 5300 Vrms. Electrical characteristics include a typical forward voltage of 1.5 V, a rise time of 3.5 μs, and a fall time of 5 μs. It operates within a temperature range of -55°C to +100°C and complies with RoHS standards.
Feature Summary
- Provides galvanic isolation between input and output circuits using infrared LED and phototransistor technology.
- Designed for surface-mount assembly in compact four-pin packages.
- Supports high isolation voltage ratings suitable for safety-critical applications.
Applications
- General-purpose signal isolation in industrial control systems
- Interface circuits for microprocessors and logic gates
- Power supply feedback loops
Procurement Notes
Verify the specific suffix X017 against official datasheets to confirm package type and CTR binning. Ensure compliance with RoHS directives if required by project specifications. Confirm availability through authorized distributors as lead times may vary. Cross-reference pinout diagrams during PCB layout to prevent installation errors.
Selection Notes
Select this component when surface-mount packaging is required for space-constrained designs. Consider the 100 mA collector current limit for load driving capabilities. Evaluate the 5300 Vrms isolation rating against system safety requirements. Compare switching speeds with alternative models if faster response times are necessary for high-frequency applications.
Part Context
This part belongs to the SFH618A series of transistor-output optocouplers. The series offers various current transfer ratio options and package configurations. The SFH618A-3X017 specifically denotes the surface-mount variant with defined electrical parameters. It is distinct from through-hole versions like the SFH618A-5.
Replacement Considerations
Direct substitutes include other Vishay SFH618A variants with matching SMD packages and similar CTR ranges. Verify pin compatibility and isolation voltage ratings before substitution. Alternative manufacturers may offer functionally equivalent parts requiring schematic review.
