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EL3H7(I)(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)
- Number of Channels：1
- Voltage - Isolation：3750Vrms
- Current Transfer Ratio (Min)：63% @ 10mA
- Current Transfer Ratio (Max)：125% @ 10mA
- 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(I)(TA)-G is a single-channel transistor output optocoupler manufactured by Everlight Electronics. It features an NPN phototransistor output and provides 3750 Vrms insulation voltage for signal isolation. The device operates within a temperature range of -55°C to +110°C. Official documentation indicates a Current Transfer Ratio (CTR) specification of 63-125% at a forward current of 5mA. The component utilizes a tube packaging format.
Feature Summary
- Provides electrical isolation between input and output circuits using infrared LED technology
- Features an NPN phototransistor output stage for digital or analog signal transmission
- Designed with high insulation voltage capability to protect sensitive circuitry
Applications
- Industrial control systems requiring signal isolation
- Communication equipment interface circuits
- Microcontroller input/output isolation
Procurement Notes
Verify the specific CTR binning requirements against the manufacturer's datasheet, as the EL3H7 series offers multiple performance grades. Confirm that the tube packaging aligns with your assembly line capabilities. Ensure the operating temperature range meets your environmental specifications. Cross-reference the ordering suffix to confirm compatibility with your design constraints.
Selection Notes
Select this component when a standard NPN output optocoupler with moderate speed and high isolation voltage is required. Consider the specific CTR range needed for your logic levels. Evaluate the thermal management requirements given the wide operating temperature range. Compare package dimensions against available PCB space constraints.
Part Context
This part belongs to the EL3H7 series of transistor output optocouplers from Everlight Electronics. The series includes various CTR bins and packaging options such as tape-and-reel and tube formats. These components are widely used in general-purpose isolation applications where cost-effectiveness and reliability are prioritized over high-speed switching characteristics.
Replacement Considerations
Check for direct substitutes within the EL3H7 family with different CTR ratings or packaging. Verify pinout compatibility before replacing with other brands. Ensure the replacement maintains the same 3750 Vrms isolation rating and NPN output configuration.
