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EL357N(TA)-VG
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Product Detailed Parameters
- Description：OPTOISO 3.75KV 1CH TRANS 4-SOP
- Series：-
- Mfr：Everlight Electronics Co Ltd
- Package：Tape & Reel (TR)
- Number of Channels：1
- Voltage - Isolation：3750Vrms
- Current Transfer Ratio (Min)：50% @ 5mA
- Current Transfer Ratio (Max)：600% @ 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 EL357N(TA)-VG is a single-channel transistor output optocoupler manufactured by Everlight Electronics Co Ltd. It features a compact SOP-4 surface mount package with a 2.54mm pitch. The device provides an isolation voltage of 3750Vrms between input and output circuits. Key electrical parameters include a collector-emitter voltage of 80V, a maximum DC forward current of 50mA, and a typical forward voltage of 1.2V. The unit exhibits a saturation voltage of 200mV maximum 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 SOP-4 surface mount package designed for dense PCB layouts.
- Delivers fast switching response times suitable for signal transmission applications.
Applications
- Industrial control systems requiring circuit isolation
- Communication equipment signal interfaces
- Power supply feedback loops
Procurement Notes
Verify the specific suffix designation (such as A, B, or C) when ordering, as these variants may indicate differences in Current Transfer Ratio bins or packaging configurations. Confirm that the required isolation voltage and thermal operating range align with the target application's safety standards and environmental conditions before finalizing procurement.
Selection Notes
Select this component for applications necessitating robust galvanic isolation in a small form factor. Ensure the design accounts for the specified 80V collector-emitter voltage limit and the 50mA forward current constraint. Evaluate the required Current Transfer Ratio bin if precise gain control is critical for the circuit performance.
Part Context
This part belongs to the EL357N-G series of optocouplers from Everlight. The series is characterized by ultra-small SOP packages and high reliability. Variants such as EL357N(A)(TA)-VG and EL357N(C)(TA)-VG share the same fundamental architecture but may differ in specific electrical parameter ranges or packaging quantities.
Replacement Considerations
Cross-reference with other single-channel transistor output optocouplers in SOP-4 packages. Verify compatibility regarding isolation voltage ratings, pinout configuration, and thermal characteristics before substituting.
