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EL3H7(C)(EA)-VG
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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)-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 4-pin SSOP package. The device provides electrical isolation with a rated insulation voltage of 3750 Vrms. It supports a maximum collector-emitter voltage of 80V and a continuous forward current of 50mA. The component operates reliably across an extended temperature range from -55°C to +110°C, ensuring stability in demanding industrial environments.
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 PCB layouts
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 EA against official Everlight documentation to confirm exact Current Transfer Ratio (CTR) binning and packaging configuration. Ensure compatibility with existing footprint designs, as variations exist within the EL3H7 family. Confirm RoHS compliance status through the manufacturer's latest datasheet before finalizing procurement specifications.
Selection Notes
Select this component when high isolation voltage and wide operating temperature ranges are required. The NPN phototransistor output suits applications needing standard digital interface compatibility. Consider the SSOP-4 package constraints for board space limitations. Verify CTR requirements match the specific EA variant specifications provided in the official datasheet.
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 requiring robust performance. The EL3H7(C)(EA)-VG specifically denotes the C binning for CTR characteristics and EA packaging type. It shares the core architectural features of the broader EL3H7 family while offering specific parameter tolerances.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source material. Cross-referencing requires consulting official Everlight replacement guides or distributor equivalence databases for verified alternatives.
