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EL3H7(B)(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)：130% @ 5mA
- Current Transfer Ratio (Max)：260% @ 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(B)(EA)-VG is a single-channel transistor output optocoupler manufactured by Everlight Electronics Co Ltd. It features an NPN phototransistor output and provides an insulation voltage of 3750 Vrms. The device operates within a temperature range of -55°C to +110°C. It utilizes a compact 4-pin SSOP package, specifically identified as SOIC4_175MIL in some documentation, with a unit weight of 260 mg. The component offers a collector-emitter voltage rating of 80V.
Feature Summary
- Provides high-voltage electrical isolation between input and output circuits
- Utilizes a compact surface-mount SSOP package for space-constrained designs
- Features an NPN phototransistor output stage
Applications
- High-voltage isolation applications
- General purpose signal isolation
- Industrial control systems
Procurement Notes
Verify the specific suffix (EA) against official Everlight datasheets to confirm pinout and packaging dimensions, as variations exist within the EL3H7 family. Confirm availability status through authorized distributors, as supply levels may fluctuate. Ensure the selected variant matches the required operating temperature range and isolation voltage specifications for the target application environment.
Selection Notes
Select this component when a small form factor is required alongside robust isolation capabilities. The NPN output configuration suits standard digital switching interfaces. Verify that the 80V collector-emitter voltage meets the load requirements. Consider the wide operating temperature range for environments subject to thermal stress.
Part Context
This part belongs to the EL3H7 series of ultra-small optocouplers from Everlight. The series is characterized by its compact footprint and high isolation voltage ratings. Variants within the series differ primarily in packaging styles and specific electrical parameter tolerances, such as current transfer ratio ranges.
Replacement Considerations
Direct substitutes include other variants within the EL3H7 family, such as EL3H7(B)(TA)-VG or EL3H7E-VG, provided the package and electrical characteristics are compatible. Cross-referencing with similar 4-pin SSOP transistor output optocouplers from other manufacturers requires careful verification of pinouts and isolation ratings.
