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EL3H7(H)(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)：40% @ 10mA
- Current Transfer Ratio (Max)：80% @ 10mA
- 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(H)(EA)-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 belongs to the 40-80 CTR (Current Transfer Ratio) bin specification. The component is supplied in a Reel packaging format.
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
- Industrial control systems requiring galvanic isolation
- Signal transmission in noisy electrical environments
- Power supply feedback loops
Procurement Notes
Verify the specific Current Transfer Ratio (CTR) bin, as the suffix indicates the 40-80 range. Confirm the Reel packaging configuration matches assembly requirements. Ensure the operating temperature range aligns with system thermal constraints. Cross-reference the datasheet for pinout compatibility with existing PCB layouts.
Selection Notes
Select this component when high isolation voltage is required alongside standard NPN output characteristics. Consider the extended temperature range for harsh environments. Verify that the 40-80 CTR bin meets the drive current requirements of the downstream circuitry. Compare package dimensions against available board space.
Part Context
This part is part of the EL3H7 family of ultra-small SSOP optocouplers from Everlight. The family offers various CTR bins and packaging options. The EL3H7 series is designed for compact applications where space is limited but reliable isolation is critical. Other variants may differ in CTR or packaging style.
Replacement Considerations
Check for direct substitutes within the EL3H7 series with different CTR bins if performance margins allow. Verify pinout compatibility before substituting with other manufacturers' similar 4-pin SSOP optocouplers.
