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EL3H7(C)(EA)-G
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Product Detailed Parameters
- Description：OPTOISO 3.75KV 1CH TRANS 4-SSOP
- Series：-
- Mfr：Everlight Electronics Co Ltd
- Package：Tape & Reel (TR)
- 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)：5µs, 3µs
- 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-SOIC (0.173", 4.40mm Width)
- Supplier Device Package：4-SSOP
- Grade：-
- Qualification：-
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Overview
The EL3H7(C)(EA)-G is a single-channel transistor output optocoupler manufactured by Everlight Electronics. It features an NPN phototransistor output and provides 3750 Vrms isolation voltage. The device operates within a temperature range of -55°C to +110°C. Key electrical parameters include a collector-emitter voltage of 80V, a maximum forward current of 50mA, and a typical rise/fall time of 5µs/3µs. The component is available in surface-mount packaging.
Feature Summary
- Provides high-voltage electrical isolation between input and output circuits
- Utilizes an NPN phototransistor for signal transmission
- Designed for wide industrial operating temperature ranges
Applications
- Industrial control systems requiring signal isolation
- Consumer appliances with safety isolation needs
- Computer peripheral interface circuits
Procurement Notes
Verify the specific suffix (C)(EA) against the manufacturer datasheet to confirm package type and tape/reel specifications. Ensure RoHS compliance status matches project requirements. Confirm availability through authorized distributors as supply may be restricted. Validate that the 3750 Vrms isolation rating meets system safety standards.
Selection Notes
Select this component when a single-channel transistor output is required with high isolation voltage. Consider the 4-pin SSOP/SOIC package dimensions for PCB layout constraints. Evaluate the 50mA forward current limit against drive circuit capabilities. Ensure the operating temperature range covers the intended environmental conditions.
Part Context
This part belongs to the EL3H7 series of transistor output optocouplers from Everlight Electronics. The series is designed for general-purpose isolation applications. Variations in suffixes typically denote differences in packaging format or specific binning criteria for current transfer ratio.
Replacement Considerations
Direct substitutes include other EL3H7 variants such as EL3H7-G or EL3H7(A)-G, provided the package and electrical characteristics match. Verify pinout compatibility before substitution.
