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EL817(S1)(C)(TU)-VG
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Product Detailed Parameters
- Description：OPTOISOLATOR 5KV 1CH TRANS 4-SMD
- Series：-
- 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 EL817(S1)(C)(TU)-VG is a single-channel transistor output optocoupler manufactured by Everlight Electronics. It integrates an infrared emitting diode with an NPN phototransistor detector in a compact surface-mount package. The device provides high isolation voltage of 5000 Vrms between input and output circuits, ensuring reliable signal transmission in electrically noisy environments. Key electrical parameters include a collector-emitter breakdown voltage of 35V minimum, a maximum forward current of 60mA, and a dark current of 100nA maximum. The unit operates within a temperature range of -55°C to +110°C and complies with RoHS standards.
Feature Summary
- High isolation voltage capability for safe circuit separation
- Compact surface-mount design for space-constrained applications
- Wide operating temperature range for diverse environmental conditions
Applications
- Signal isolation in industrial control systems
- Power supply feedback loops
- Microcontroller interface circuits
Procurement Notes
Verify the specific suffix VG against official Everlight documentation to confirm pinout and packaging details. Ensure compatibility with existing PCB footprints and reflow soldering profiles. Confirm availability status as distribution channels may vary. Cross-reference safety approvals such as UL or VDE if required for end-product certification.
Selection Notes
Select this component when high isolation voltage and small form factor are critical. Compare current transfer ratio specifications against load requirements. Verify thermal management needs given the wide operating temperature range. Ensure the NPN phototransistor output matches the receiving circuit logic levels.
Part Context
This part belongs to the EL817 series of optocouplers, widely used for general-purpose isolation. The S1 designation typically indicates a specific lead pitch or package variation compared to standard DIP versions. The TU suffix often denotes tape and reel packaging for automated assembly processes.
Replacement Considerations
Direct substitutes include other EL817 variants from Everlight or equivalent transistor-output optocouplers from manufacturers like Vishay or Sharp. Verify pin compatibility and isolation ratings before substitution.
