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EL3H4(TA)-G
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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),Cut Tape (CT)
- Number of Channels：1
- Voltage - Isolation：3750Vrms
- Current Transfer Ratio (Min)：20% @ 1mA
- Current Transfer Ratio (Max)：300% @ 1mA
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：6µs, 8µs
- Input Type：AC, DC
- Output Type：Transistor
- Voltage - Output (Max)：80V
- Current - Output / Channel：-
- Voltage - Forward (Vf) (Typ)：1.2V
- Current - DC Forward (If) (Max)：50 mA
- Vce Saturation (Max)：200mV
- Operating Temperature：-55°C ~ 100°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 EL3H4(TA)-G is a single-channel transistor output optoisolator manufactured by Everlight Electronics. It features a 4-SSOP surface-mount package with a width of 4.40mm. The device provides an isolation voltage of 3750Vrms and supports an output voltage of up to 80V. Electrical characteristics include a maximum forward current of 50mA, a typical rise time of 6µs, and a fall time of 8µs. Operating temperatures range from -55°C to 100°C.
Feature Summary
- Provides high-voltage electrical isolation between input and output circuits
- Utilizes a compact four-pin SSOP surface-mount package for space-efficient PCB integration
- Features fast switching speeds suitable for digital signal transmission
Applications
- Digital signal isolation in communication interfaces
- Microcontroller input/output protection
- Power supply feedback loops
Procurement Notes
Verify the specific suffix TA-G against the manufacturer's latest datasheet to confirm pinout and electrical tolerances. Ensure the component meets required safety certifications such as UL approval for the intended application environment. Cross-reference the package dimensions with the PCB footprint library to prevent assembly errors.
Selection Notes
Select this component when a low-profile surface-mount solution is required for galvanic isolation. Consider the 3750Vrms isolation rating and 80V output capability for compatibility with system voltage levels. Evaluate the 6µs/8µs switching times against the signal frequency requirements of the target circuit design.
Part Context
This part belongs to the EL3H4 series of phototransistor output optocouplers. The series offers various packaging options including DIP and SOP variants. The EL3H4(TA)-G specifically denotes the tape-and-reel version in the SSOP package format, designed for automated surface-mount assembly processes.
Replacement Considerations
Compatible substitutes within the same family include EL3H4(A)(TA)-G and EL3H4(B)(TA)-VG. Verify that alternative parts maintain identical pin configurations and electrical specifications before substitution.
