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EL3H7-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)：50% @ 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 Everlight EL3H7-VG is a single-channel phototransistor output optocoupler featuring a 4-pin SSOP package. It provides an isolation voltage of 3750 Vrms and supports a maximum collector-emitter voltage of 80V with a continuous collector current of 50mA. The device operates within a temperature range of -55°C to +110°C, ensuring reliability in demanding environments.
Feature Summary
- High isolation voltage capability for safe signal transmission across potential barriers
- Compact surface-mount packaging suitable for space-constrained designs
- Wide operating temperature range for industrial applications
Applications
- Industrial control systems requiring galvanic isolation
- Signal transmission between microcontrollers and high-voltage circuits
- Power supply feedback loops
Procurement Notes
Verify the specific suffix (e.g., B, C, D) against the datasheet to confirm Current Transfer Ratio (CTR) grades and packaging options. Ensure the selected variant matches the required isolation standards and thermal performance for the target application environment.
Selection Notes
Select based on the required CTR bin and package type. The base model EL3H7-VG indicates the series; specific performance characteristics like CTR ranges vary by suffix. Confirm compatibility with PCB footprint requirements for the 4-SSOP form factor.
Part Context
This component belongs to the EL3H7 series of ultra-small phototransistor optocouplers manufactured by Everlight Electronics. The series is designed for general-purpose isolation tasks where small footprint and high isolation voltage are critical design parameters.
Replacement Considerations
Direct replacements include variants such as EL3H7(B)(TA)-VG or EL3H7(C)(TB)-VG. Verify pinout compatibility and electrical specifications before substitution.
