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EL3H7(D)(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)：300% @ 5mA
- Current Transfer Ratio (Max)：600% @ 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(D)(EA)-G 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. Key electrical parameters include a current transfer ratio ranging from 300% to 600% at a forward current of 5mA, a collector-emitter saturation voltage maximum of 200mV, and a typical rise/fall time of 5µs/3µs. It is housed in a 4-SSOP package.
Feature Summary
- Provides high isolation voltage between input and output terminals for circuit protection
- Utilizes an NPN phototransistor output configuration for signal transmission
- Features CSA approval for safety compliance in industrial applications
Applications
- Industrial control systems requiring galvanic isolation
- Signal transmission across isolated ground planes
- Microcontroller interface circuits with high voltage separation needs
Procurement Notes
Verify the specific suffix EA against the manufacturer's latest datasheet to confirm packaging and material specifications. Ensure compatibility with surface mount assembly processes given the SSOP form factor. Cross-reference RoHS status with current regulatory requirements before integration into final designs.
Selection Notes
Select this component when a compact 4-pin SSOP footprint is required alongside high isolation voltage capabilities. Consider the specified current transfer ratio range for logic level interfacing. Verify thermal management requirements for operation near the upper limit of the specified temperature range.
Part Context
This part belongs to the EL3H7-G series of transistor output optocouplers. The series is characterized by its small outline package design and robust isolation performance. It serves as a standard solution for isolating low-voltage digital signals from higher voltage analog or power circuits in space-constrained environments.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Designers should consult official cross-reference lists or contact the manufacturer directly for validated equivalent components.
