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EL3H7(D)-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)：300% @ 5mA
- Current Transfer Ratio (Max)：600% @ 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(D)-VG is a single-channel transistor output optocoupler manufactured by Everlight Electronics Co Ltd. It features an NPN phototransistor output and provides 3750 Vrms insulation voltage. The device operates within a temperature range of -55°C to +110°C. Key electrical parameters include a maximum collector-emitter voltage of 80V, a maximum collector current of 50mA, and a typical forward voltage of 1.2V at a maximum DC forward current of 50mA.
Feature Summary
- Provides galvanic isolation between input and output circuits using infrared LED and phototransistor technology.
- Designed for high safety requirements with fixed internal spacing between chips.
- Supports impedance transformation and signal transmission across isolated boundaries.
Applications
- Digital logic signal transmission and conversion
- Power supply control and switching circuits
- Electrical insulation isolation between circuits and systems
Procurement Notes
Verify the specific suffix configuration against official Everlight documentation to ensure correct CTR binning and packaging type. Confirm RoHS compliance status and lead times through authorized distributors as availability may vary. Cross-reference datasheet revisions to match design-in requirements precisely.
Selection Notes
Select this component when high-speed digital isolation is required alongside robust voltage withstand capabilities. Ensure the operating temperature range meets environmental constraints. Verify that the phototransistor output characteristics align with the load requirements of the receiving circuitry.
Part Context
This part belongs to the EL3H7 series of ultra-small SSOP optocouplers. It integrates an infrared emitting diode and an NPN phototransistor in a compact surface-mount package. The series is designed for applications requiring reliable electrical isolation in space-constrained environments.
Replacement Considerations
Consult official manufacturer substitution lists for verified equivalents. Generic replacements may differ in CTR ranges or isolation ratings. Validate pinout compatibility and thermal performance before integrating alternative components into existing designs.
