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EL3H4(A)(EA)-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)
- Number of Channels：1
- Voltage - Isolation：3750Vrms
- Current Transfer Ratio (Min)：50% @ 1mA
- Current Transfer Ratio (Max)：150% @ 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(A)(EA)-G is a single-channel transistor output optocoupler manufactured by Everlight Electronics. It features an NPN phototransistor output and provides 3750 Vrms isolation voltage. The device operates within a temperature range of -55°C to 100°C. Key electrical parameters include a maximum collector-emitter saturation voltage (Vce) of 200mV, a maximum output voltage of 80V, and a power dissipation of 200mW. The component is housed in a surface-mount 4-SOIC package with a width of 4.40mm.
Feature Summary
- Provides high-voltage electrical isolation between input and output circuits
- Utilizes an NPN phototransistor for signal transmission
- Designed for surface-mount assembly in compact layouts
Applications
- General-purpose digital signal isolation
- Microcontroller interface circuits
- Low-speed data communication links
Procurement Notes
Verify the specific suffix EA against the manufacturer's current datasheet to confirm active status and compliance details. Ensure the 4-SOIC footprint matches the target PCB design. Confirm that the 200mW power dissipation rating meets the thermal requirements of the final application environment.
Selection Notes
Select this component when a single channel with moderate speed and high isolation voltage is required. The NPN output type suits standard logic interfacing. Consider the -55°C to 100°C operating range for industrial or automotive environments. Verify compatibility with available drive currents for the internal LED.
Part Context
This part belongs to the EL3H4 series of transistor output optocouplers from Everlight. The series is characterized by its small form factor and reliability in isolating low-power control signals. The EL3H4(A)(EA)-G variant specifically denotes the A-series performance characteristics and EA packaging configuration within this product line.
Replacement Considerations
Check for direct pin-compatible substitutes within the same family, such as EL3H4-G or EL3H4(A)(TA)-G, ensuring identical isolation ratings and package dimensions. Cross-reference functional equivalents from other manufacturers only if electrical parameters match exactly.
