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EL817S2(TU)-FVG
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Product Detailed Parameters
- Description：OPTOISOLATOR 5KV 1CH TRANS 4-SMD
- Series：EL817-G
- Mfr：Everlight Electronics Co Ltd
- Package：Tape & Reel (TR)
- Number of Channels：1
- Voltage - Isolation：5000Vrms
- Current Transfer Ratio (Min)：200% @ 5mA
- Current Transfer Ratio (Max)：400% @ 5mA
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：6µs, 8µs
- Input Type：DC
- Output Type：Transistor
- Voltage - Output (Max)：80V
- Current - Output / Channel：50mA
- Voltage - Forward (Vf) (Typ)：1.2V
- Current - DC Forward (If) (Max)：60 mA
- Vce Saturation (Max)：200mV
- Operating Temperature：-55°C ~ 110°C
- Mounting Type：Surface Mount
- Package / Case：4-SMD, Gull Wing
- Supplier Device Package：4-SMD
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Overview
The EL817S2(TU)-FVG is a single-channel transistor output optocoupler manufactured by Everlight Electronics. It integrates an infrared emitting diode with a phototransistor detector in a compact surface-mount package. The device provides high isolation voltage of 5000 Vrms between input and output circuits. Key electrical parameters include a minimum current transfer ratio (CTR) of 80% at IF=5mA and VCE=5V, with a maximum CTR of 160%. The collector-emitter breakdown voltage is 35V, and the maximum forward current is 50mA. It operates within a temperature range of -55°C to +110°C.
Feature Summary
- High isolation voltage capability of 5000 Vrms for safe circuit separation
- Compact surface-mount packaging suitable for automated assembly
- Wide operating temperature range extending up to 110°C
- RoHS compliant and lead-free construction
Applications
- Signal isolation in industrial control systems
- Power supply feedback loops
- Microcontroller interface circuits
- Communication equipment signal transmission
Procurement Notes
Verify the specific suffix TU-FVG against official Everlight documentation to confirm tape-and-reel packaging and compliance status. Ensure the procurement channel sources genuine Everlight components to guarantee electrical parameter consistency and reliability standards are met for critical applications.
Selection Notes
Select this component when a surface-mount transistor output optocoupler with 5000 Vrms isolation is required. Consider the 80-160% CTR range for signal amplification needs. Verify that the SOP-4 footprint matches the PCB design constraints and that the 110°C max operating temperature suits the environmental conditions.
Part Context
This part belongs to the EL817 series, a widely used family of photocouplers. The S2 designation typically indicates a surface-mount variant, while TU-FVG specifies the tape-and-reel packaging format and regulatory compliance. It serves as a standard solution for galvanic isolation in compact electronic designs.
Replacement Considerations
Publicly documented substitutes include EL817S2(C)(TA)G, EL817S2(C)(TB)-FG, EL817S2(C)(TB)-FVG, EL817S2(C)(TB)-VG, EL817S2(TB)-FG, and EL817S2(TB)-VG. Verify pinout compatibility and electrical specifications before substitution.
