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EL357N(F)(TA)-G
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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)：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 EL357N(F)(TA)-G is a single-channel phototransistor output optocoupler from Everlight Electronics. It integrates an infrared emitting diode and a phototransistor detector within a compact 4-pin SOP surface-mount package with a 2.54mm pitch. The device provides high electrical isolation with a rated voltage of 3750Vrms between input and output circuits. Key electrical parameters include a maximum collector-emitter saturation voltage of 200mV at specified test conditions, a DC forward current limit of 50mA, and a typical forward voltage drop of 1.2V. The unit supports a load voltage of 80V and operates reliably across a wide temperature range from -55°C to +110°C.
Feature Summary
- Provides robust electrical isolation between input and output circuits using infrared photoelectric conversion technology.
- Features a compact four-pin small outline package designed for efficient space utilization on printed circuit boards.
- Ensures stable signal transmission through high current transfer ratio characteristics suitable for digital switching applications.
Applications
- Industrial control systems requiring signal isolation
- Communication equipment interface circuits
- Power supply feedback loops
Procurement Notes
Verify the specific suffix designation against official Everlight documentation to confirm exact performance tolerances and packaging specifications. Ensure compatibility with existing board layouts regarding the SOP-4 footprint dimensions. Confirm RoHS compliance status and safety certifications such as UL or VDE are required for the target application environment before finalizing procurement orders.
Selection Notes
Select this component when high isolation voltage and compact form factor are prioritized for signal transmission. Consider the operating temperature range and current transfer ratio requirements relative to the driving circuit capabilities. Evaluate the package type suitability for automated assembly processes and spatial constraints within the electronic enclosure design.
Part Context
This part belongs to the EL357N-G series of phototransistor optocouplers manufactured by Everlight Electronics. The series is engineered for general-purpose isolation tasks in modern electronics. The specific model variant denotes particular manufacturing revisions or packaging configurations within the broader product family line.
Replacement Considerations
Direct substitutes within the same series include EL357N(C)(TA)-G and EL357N(B)(TA)-G. Verify pinout compatibility and electrical parameter equivalence before swapping components in existing designs.
