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EL357NC-VG
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Product Detailed Parameters
- Description：OPTOISO 3.75KV 1CH TRANS 4-SOP
- Series：-
- Mfr：Everlight Electronics Co Ltd
- Package：Tube
- Number of Channels：1
- Voltage - Isolation：3750Vrms
- Current Transfer Ratio (Min)：200% @ 5mA
- Current Transfer Ratio (Max)：400% @ 5mA
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：3µs, 4µs
- 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)：50 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-SOP (2.54mm)
- Grade：-
- Qualification：-
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Overview
The EL357NC-VG is a single-channel phototransistor output optocoupler manufactured by Everlight Electronics Co Ltd. It integrates an infrared emitting diode and a phototransistor detector within a compact 4-pin SOP package. The device provides electrical isolation with a rated isolation voltage of 3750Vrms. Key electrical parameters include a maximum collector-emitter saturation voltage of 200mV, a typical forward voltage of 1.2V, and a DC forward current rating of 50mA. The unit supports a load voltage of 80V and operates within a temperature range of -55°C to +110°C.
Feature Summary
- Provides high-voltage electrical isolation between input and output circuits using infrared LED and phototransistor technology.
- Features a compact surface-mount SOP-4 package designed for efficient space utilization in dense circuit layouts.
- Ensures stable signal transmission through digital logic interfaces and impedance transformation applications.
Applications
- Digital logic signal transmission and level shifting
- Power supply control and switching circuits
- Electrical insulation isolation between distinct system components
Procurement Notes
Verify the specific suffix configuration against official Everlight documentation to ensure compatibility with required isolation ratings and packaging standards. Confirm RoHS compliance status and moisture sensitivity levels prior to integration into production workflows.
Selection Notes
Select this component for applications requiring robust galvanic isolation in compact form factors. Ensure the operating environment remains within the specified thermal limits and that the input current does not exceed the maximum DC forward current rating to maintain device longevity.
Part Context
This part belongs to the EL357 series of phototransistor optocouplers from Everlight. The series is characterized by small footprint designs suitable for modern electronics manufacturing. The NC variant specifically denotes the standard phototransistor output configuration within this product line.
Replacement Considerations
Cross-reference with EL357N(C)(TA)-VG or EL357N(C)(TA)-G for equivalent performance specifications. Verify pinout compatibility and isolation voltage ratings before substituting in existing designs.
