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EL817(S1)(D)(TD)-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)：300% @ 5mA
- Current Transfer Ratio (Max)：600% @ 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)(D)(TD)-VG is a single-channel transistor output optocoupler manufactured by Everlight Electronics Co Ltd. It integrates an infrared emitting diode with an NPN phototransistor detector in a compact surface-mount package. The device provides high isolation voltage between input and output circuits, ensuring reliable signal transmission while maintaining electrical safety standards for industrial applications.
Feature Summary
- Integrates an infrared LED coupled to an NPN phototransistor for DC input signal isolation
- Provides high insulation voltage capability between the input emitter and output collector-emitter terminals
- Designed for surface-mount assembly using a compact small outline package format
Applications
- Industrial control systems requiring galvanic isolation
- Signal isolation in microcontroller interfacing circuits
- Power supply feedback loop isolation
Procurement Notes
Verify the specific suffix VG against official Everlight documentation to confirm pinout configuration and compliance status. Ensure the selected variant matches the required surface-mount footprint and thermal characteristics for the target PCB design before finalizing procurement orders.
Selection Notes
Select this component when a surface-mount solution is preferred over traditional DIP packages for space-constrained designs. Confirm that the NPN phototransistor output type aligns with the downstream circuit requirements and that the operating temperature range meets the environmental conditions of the intended application.
Part Context
This part belongs to the EL817 series of optocouplers, which are widely used for general-purpose isolation tasks. The S1 designation typically indicates a specific creepage distance or packaging variation within the series, while the TD suffix denotes tape-and-reel packaging for automated assembly processes.
Replacement Considerations
Direct substitutes include other EL817 series variants such as EL817(S)(D)-V or EL817S1(D)(TU)-G, provided they match the required isolation voltage and package dimensions. Verify pin compatibility and electrical parameters before substituting.
