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EL3H7(K)-VG
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Product Detailed Parameters
- Description：OPTOISO 3.75KV 1CH TRANS 4-SSOP
- Series：-
- Mfr：Everlight Electronics Co Ltd
- Package：Tube
- Number of Channels：1
- Voltage - Isolation：3750Vrms
- Current Transfer Ratio (Min)：160% @ 10mA
- Current Transfer Ratio (Max)：320% @ 10mA
- 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(K)-VG is a single-channel transistor output optocoupler manufactured by Everlight Electronics. It integrates an infrared emitting diode and an NPN phototransistor within a compact SSOP-4 package. The device provides electrical isolation with a rated insulation voltage of 3750 Vrms. Key electrical parameters include a maximum collector-emitter voltage of 80V, a maximum DC forward current of 50mA, and a typical forward voltage of 1.2V. The unit supports an operating temperature range from -55°C to +110°C.
Feature Summary
- Provides high-voltage electrical isolation between input and output circuits
- Integrates infrared LED and NPN phototransistor for signal transmission
- Designed for surface-mount assembly in compact form factors
Applications
- Digital logic signal transmission and level shifting
- Power supply control and switching circuits
- Electrical isolation between system components
- Impedance transformation in electronic interfaces
Procurement Notes
Verify the specific suffix designation against official Everlight documentation to confirm exact performance grades and packaging configurations. Ensure compatibility with required isolation standards and thermal management specifications for the target application environment before finalizing procurement decisions.
Selection Notes
Select this component when high-density surface-mount isolation is required. Consider the 3750 Vrms insulation rating and wide operating temperature range for robust industrial applications. Verify that the NPN phototransistor output characteristics align with the downstream circuit requirements.
Part Context
This part belongs to the EL3H7 series of single-channel optocouplers. The series offers various packaging options and performance grades tailored for different isolation needs. The EL3H7-K variant specifically denotes a particular binning or packaging configuration within the broader product family.
Replacement Considerations
Cross-reference with other Everlight EL3H7 variants such as EL3H7-G or EL3H7(TA)-VG for pin-compatible alternatives. Verify that substitute parts meet identical insulation voltage and thermal specifications.
