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EL3H7(E )(EA)(ICM-1)-VG
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Product Detailed Parameters
- Description：OPTOISO 3.75KV 1CH TRANS 4-SSOP
- Series：EL3H7-G
- Mfr：Everlight Electronics Co Ltd
- Package：Tape & Reel (TR)
- Number of Channels：1
- Voltage - Isolation：3750Vrms
- Current Transfer Ratio (Min)：100% @ 5mA
- Current Transfer Ratio (Max)：200% @ 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(E)(EA)(ICM-1)-VG 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 collector-emitter saturation voltage of 200 mV, a maximum collector current of 50 mA, and a rise/fall time of 18 µs. The component is housed in a compact SSOP-4 package.
Feature Summary
- Provides high-voltage electrical isolation between input and output circuits
- Features fast switching performance with defined rise and fall times
- Designed for operation across extended industrial temperature ranges
Applications
- Industrial automation control systems
- Power supply feedback loops
- Microcontroller interface isolation
Procurement Notes
Verify the specific Current Transfer Ratio (CTR) bin associated with the ICM-1 suffix against the manufacturer's datasheet before procurement. Confirm that the SSOP-4 package dimensions match the target PCB footprint. Ensure the operating voltage requirements align with the device's maximum ratings to prevent breakdown during system integration.
Selection Notes
Select this component when high isolation voltage is required alongside fast switching speeds. The NPN phototransistor output is suitable for digital signal transmission. Consider the thermal management capabilities if operating near the upper temperature limit. Verify compatibility with the driving circuit's forward current requirements to ensure optimal CTR performance.
Part Context
This part belongs to the EL3H7 series of transistor output optocouplers from Everlight. The series is characterized by its small form factor and robust isolation capabilities. Variations within the series typically differ by CTR bins and packaging options, allowing designers to select components tailored to specific sensitivity and throughput requirements.
Replacement Considerations
Direct replacements may include other EL3H7 variants with matching CTR specifications. Verify pinout compatibility and package dimensions when substituting. Ensure the replacement device meets or exceeds the 3750 Vrms isolation requirement and operates within the same temperature range.
