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Product Detailed Parameters
- Description：OPTOISOLTR 5.3KV 1CH TRANS 4-SMD
- Series：-
- Mfr：Vishay Semiconductor Opto Division
- Package：Tape & Reel (TR),Cut Tape (CT)
- Number of Channels：1
- Voltage - Isolation：5300Vrms
- Current Transfer Ratio (Min)：250% @ 1mA
- Current Transfer Ratio (Max)：500% @ 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-5X017T is a single-channel surface-mount phototransistor optocoupler from Vishay. It features an isolation voltage of 5300Vrms and a typical rise time of 3.5μs with a fall time of 5μs. The device supports a maximum collector current of 50mA and a collector-emitter voltage of 55V. Current transfer ratio ranges from 250% to 500%. Operating temperature spans -55°C to +100°C, with power dissipation at 150mW.
Feature Summary
- High isolation voltage capability for safety-critical applications
- Low coupling capacitance for high-speed signal integrity
- Surface-mount package design for automated assembly
Applications
- Industrial control systems requiring galvanic isolation
- Signal transmission across isolated ground planes
- Power supply feedback loops
Procurement Notes
Verify the specific suffix X017T against official Vishay documentation to confirm tape-and-reel packaging configuration. Ensure component authenticity through authorized distribution channels. Cross-reference datasheet revisions to confirm parameter consistency. Validate RoHS compliance status prior to integration into regulated assemblies.
Selection Notes
Select this model when high isolation voltage and low parasitic capacitance are required in a compact surface-mount form factor. Compare current transfer ratio requirements against load conditions. Evaluate thermal management needs within the 150mW dissipation limit. Consider operating temperature range compatibility with the target environment.
Part Context
This component belongs to the SFH618A series, which includes DIP and SMD variants. The SFH618A family is characterized by high current transfer ratios and robust isolation performance. The SMD version facilitates PCB space optimization while maintaining electrical characteristics comparable to through-hole alternatives.
Replacement Considerations
SFH618A-5X016 serves as a through-hole alternative within the same series. SFH618A-4X016 offers different current transfer ratio specifications. Verify pinout compatibility and mechanical dimensions before substitution.
