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EL3H7(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% @ 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(EA)-G is a single-channel transistor output optocoupler manufactured by Everlight Electronics. 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 (CTR) ranging from 50% to 600% at a forward current of 5mA. The component is supplied in a tape and reel packaging format with a factory pack quantity of 5000 units.
Feature Summary
- Provides high-voltage electrical isolation between input and output circuits
- Utilizes an NPN phototransistor for signal transmission
- Designed for wide industrial operating temperature environments
Applications
- Industrial control systems requiring galvanic isolation
- Signal transmission across isolated power domains
- Microcontroller interface circuits for noise immunity
Procurement Notes
Verify the specific suffix EA against the manufacturer's latest datasheet to confirm package type and CTR binning. Ensure compatibility with automated pick-and-place equipment due to the reel packaging configuration. Cross-reference RoHS compliance status with current regulatory requirements before finalizing procurement orders.
Selection Notes
Select this component when a single channel with moderate speed and high isolation voltage is required. The wide CTR range accommodates various logic levels. Verify that the NPN output configuration matches the receiving circuit design. Consider thermal management capabilities given the extended operating temperature range specified for industrial applications.
Part Context
This part belongs to the EL3H7 series of transistor output optocouplers. The series is characterized by compact surface-mount packaging and robust isolation performance. Variants within the family differ primarily in packaging style, CTR specifications, and environmental certifications, allowing designers to choose based on specific assembly and performance needs.
Replacement Considerations
Direct substitutes may include other EL3H7 variants with matching pinouts but different CTR ranges or packaging. Verify functional equivalence regarding isolation voltage and output type before substitution.
