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EL357NF-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)：150% @ 5mA
- Current Transfer Ratio (Max)：300% @ 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 EL357NF-VG is a single-channel transistor output optocoupler manufactured by Everlight Electronics. It integrates an infrared emitting diode and an NPN phototransistor detector within a compact SOP-4 surface-mount package with a 2mm body thickness. The device provides electrical isolation between input and output circuits, featuring a rated isolation voltage of 3750Vrms. Key electrical parameters include a forward voltage of 1.2V, a collector-emitter saturation voltage of 100mV at specified currents, and a total power dissipation of 200mW. The component supports a wide operating temperature range from -55°C to +110°C.
Feature Summary
- Provides high-voltage electrical isolation via infrared optical coupling between input and output circuits.
- Utilizes a compact SOP-4 SMD package designed for dense PCB layout applications.
- Ensures stable signal transmission across a wide industrial temperature range.
Applications
- Industrial control systems requiring circuit isolation
- Communication equipment signal interfaces
- Power supply feedback loops
Procurement Notes
Verify the specific suffix configuration against official Everlight documentation to confirm pinout and performance specifications. Ensure compatibility with existing PCB footprints and thermal management requirements. Confirm RoHS compliance status through current datasheets. Validate that the component meets the required isolation voltage ratings for the target application safety standards before procurement.
Selection Notes
Select this component when a single-channel transistor output isolator is required in a small form factor. Consider the 3750Vrms isolation rating for safety-critical applications. Evaluate the switching speed characteristics against system timing requirements. Ensure the operating temperature range aligns with the environmental conditions of the final assembly.
Part Context
This part belongs to the EL357N series of optocouplers from Everlight Electronics. The series is designed for general-purpose isolation tasks where space constraints are significant. The SOP-4 packaging allows for automated assembly processes. The product line emphasizes reliability and consistent current transfer ratios for precise signal coupling.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source material. Verify cross-references using official manufacturer substitution guides or authorized distributor databases to ensure functional equivalence.
