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EL817(S1)(C)(TA)-G
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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)：200% @ 5mA
- Current Transfer Ratio (Max)：400% @ 5mA
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：6µs, 8µs
- 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)：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
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Overview
The EL817(S1)(C)(TA)-G is a single-channel transistor output optocoupler manufactured by Everlight Electronics. It integrates an infrared emitting diode with an NPN phototransistor detector to provide electrical isolation between input and output circuits. The device features a surface-mount package designed for compact applications. Key electrical specifications include a maximum collector-emitter voltage of 35V, a maximum collector current of 50mA, and a forward voltage of 1.4V. It supports a high isolation voltage of 5000 Vrms and operates within a temperature range of -55°C to +110°C.
Feature Summary
- Provides high-voltage electrical isolation between input and output circuits using optical coupling technology.
- Integrates an infrared LED emitter with an NPN phototransistor detector for signal transmission.
- Compliant with RoHS standards and lead-free manufacturing processes.
Applications
- Signal isolation in industrial control systems
- Power supply feedback loops
- Communication interface isolation
Procurement Notes
Verify the specific suffix (TA) against the manufacturer's official datasheet to confirm pinout orientation and tape-and-reel specifications. Ensure the component meets required safety certifications such as UL or VDE for the intended application environment. Cross-reference the part number with authorized distributors to confirm availability and authenticity.
Selection Notes
Select this component when a surface-mount solution is required for galvanic isolation in low-power DC signaling applications. Consider the 5000 Vrms isolation rating and the -55°C to +110°C operating temperature range for environmental suitability. Verify that the NPN phototransistor output configuration matches the circuit design requirements.
Part Context
This component belongs to the EL817 series of optocouplers from Everlight Electronics. The series typically includes various packaging options such as DIP and SMD variants. The EL817 family is widely used for general-purpose isolation tasks due to its reliability and standardized pin configurations across different package types.
Replacement Considerations
Potential substitutes include other EL817 series variants with compatible pinouts, such as EL817(S1)(C)(TU)-G, provided the package dimensions and electrical characteristics align with the design constraints. Always verify compatibility with the original component's safety approvals and thermal ratings.
