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EL3H7(E)-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)：100% @ 5mA
- Current Transfer Ratio (Max)：200% @ 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(E)-VG is a single-channel transistor output optocoupler manufactured by Everlight Electronics Co Ltd. It features an NPN phototransistor output and provides an isolation voltage of 3750 Vrms. The device operates within a temperature range of -55°C to +110°C. It is supplied in a tube package with a factory pack quantity of 100 units. The current transfer ratio (CTR) is specified at 100-200%. This component is currently listed as obsolete or end-of-life.
Feature Summary
- Provides high-voltage electrical isolation between input and output circuits
- Utilizes an NPN phototransistor for signal transmission
- Designed for operation across extended industrial temperature ranges
Applications
- General purpose digital signal isolation
- Microcontroller interface circuits
- Industrial control systems requiring galvanic isolation
Procurement Notes
Verify component status carefully as this part is marked as obsolete or end-of-life. Confirm availability through authorized distributors or secondary markets, noting that direct new production supply may be unavailable. Ensure any sourced units match the specific EL3H7(E)-VG designation to guarantee correct packaging and performance characteristics.
Selection Notes
Select this component when a standard NPN output optocoupler with 3750 Vrms isolation is required. Consider the 100-200% CTR range for logic level interfacing. Verify that the tube packaging format aligns with assembly requirements. Evaluate alternative active parts if long-term supply stability is critical for the design lifecycle.
Part Context
This device belongs to the EL3H7 family of ultra-small SSOP optocouplers from Everlight. The family includes various suffixes indicating different CTR bins and packaging options such as tape and reel. The EL3H7(E)-VG specifically denotes the E-bin CTR range in tube packaging.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Due to the obsolete status, engineering change orders should be initiated to qualify equivalent active components with matching isolation voltage and pinout compatibility.
