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EL354N-G
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Product Detailed Parameters
- Description：OPTOISO 3.75KV 1CH TRANS 4-SOP
- Series：EL354N-G
- Mfr：Everlight Electronics Co Ltd
- Package：Bulk
- Number of Channels：1
- Voltage - Isolation：3750Vrms
- Current Transfer Ratio (Min)：20% @ 1mA
- Current Transfer Ratio (Max)：300% @ 1mA
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：18µs, 18µs (Max)
- Input Type：AC, DC
- Output Type：Transistor
- Voltage - Output (Max)：80V
- Current - Output / Channel：-
- Voltage - Forward (Vf) (Typ)：1.2V
- Current - DC Forward (If) (Max)：50 mA
- Vce Saturation (Max)：200mV
- Operating Temperature：-55°C ~ 100°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 EL354N-G is a single-channel optocoupler manufactured by Everlight Electronics. It features an AC input configuration with two infrared emitting diodes connected in inverse parallel, optically coupled to a phototransistor detector. The device utilizes a 4-pin SOP surface-mount package. Key electrical parameters include a collector-emitter voltage of 80V and an insulation voltage of 3750Vrms. The current transfer ratio (CTR) ranges from 20% to 300% at a forward current of 1mA.
Feature Summary
- AC input capability enabled by dual inverse-parallel infrared emitting diodes
- High isolation voltage for safe separation of high and low voltage circuits
- Compact four-pin SOP surface-mount packaging for dense PCB layouts
Applications
- Signal isolation in industrial control systems
- Power supply feedback loops
- Communication equipment interface isolation
Procurement Notes
Verify the specific suffix and tape-and-reel specifications against the manufacturer's latest datasheet before ordering. Confirm that the required CTR bin matches the design constraints. Ensure the SOP4 footprint dimensions align with the PCB layout. Check for RoHS compliance markings if environmental regulations apply to the final assembly.
Selection Notes
Select this component when AC signal detection or rectification within the isolator is required without external components. The dual-diode input structure simplifies circuit design for AC applications. Consider the 80V output voltage rating for compatibility with downstream logic levels. Evaluate the 3750Vrms isolation rating against system safety standards.
Part Context
This part belongs to Everlight's EL354N-G series of phototransistor output optocouplers. The series is designed for general-purpose isolation applications requiring robust performance in compact packages. The AC input variant distinguishes itself from standard DC input models by integrating internal rectification capabilities.
Replacement Considerations
Direct replacements must match the 4-pin SOP package, 80V Vceo, and 3750Vrms isolation rating. Verify pinout compatibility and CTR characteristics. Consult official substitution lists from Everlight for validated equivalents.
