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EL814S(A)(TA)
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Product Detailed Parameters
- Description：OPTOISOLATOR 5KV 1CH TRANS 4-SMD
- Series：-
- Mfr：Everlight Electronics Co Ltd
- Package：Tape & Reel (TR)
- Number of Channels：1
- Voltage - Isolation：5000Vrms
- Current Transfer Ratio (Min)：50% @ 1mA
- Current Transfer Ratio (Max)：150% @ 1mA
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：7µs, 11µs
- 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)：60 mA
- Vce Saturation (Max)：200mV
- Operating Temperature：-55°C ~ 110°C
- Mounting Type：Surface Mount
- Package / Case：4-SMD, Gull Wing
- Supplier Device Package：4-SMD
- Grade：-
- Qualification：-
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Overview
The EL814S(A)(TA) is a single-channel optocoupler featuring an AC input configuration with two infrared emitting diodes connected in inverse parallel, optically coupled to an NPN phototransistor detector. It provides high isolation voltage of 5000 Vrms between input and output circuits. The device supports a wide operating temperature range from -55°C to 110°C and offers a collector-emitter breakdown voltage of 80V. Packaged in a compact surface-mount 4-pin format, it ensures reliable signal transmission across isolated boundaries while maintaining compliance with RoHS standards.
Feature Summary
- AC input response capability utilizing dual inverse-parallel infrared LEDs for direct AC signal coupling
- High isolation voltage rating of 5000 Vrms ensuring robust electrical separation between input and output sides
- Wide operating temperature range spanning from -55°C to 110°C for diverse environmental applications
Applications
- Direct AC line monitoring and detection circuits
- Solid-state relay driver interfaces requiring AC input compatibility
- Industrial control systems needing galvanic isolation for AC signals
- Power supply feedback loops involving AC sensing
Procurement Notes
Verify the specific suffix designations against the manufacturer's current datasheet revision to ensure correct package type and tape/reel specifications. Confirm that the requested variant matches the required insulation voltage ratings and thermal characteristics for the intended application environment before finalizing orders.
Selection Notes
Select this component when AC input detection is required without external rectification circuitry. Ensure the system design accommodates the specified collector-emitter voltage limits and operates within the defined temperature range. Verify that the surface-mount footprint aligns with the PCB layout constraints and assembly processes.
Part Context
This part belongs to the EL814 series by Everlight Electronics, designed specifically for applications requiring AC input response. The series utilizes a phototransistor output structure to provide isolation. The EL814S(A)(TA) variant specifically denotes the surface-mount package configuration within this family, offering a compact solution for modern electronic assemblies.
Replacement Considerations
Equivalent parts include other AC-input transistor output optocouplers with similar 5000 Vrms isolation ratings. Check pinout compatibility and CTR specifications when substituting.
