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EL817(S)(C)(TD)-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(S)(C)(TD)-G is a single-channel transistor output optocoupler manufactured by Everlight Electronics. It integrates an infrared emitting diode optically coupled to an NPN phototransistor in a compact surface-mount package. The device provides electrical isolation with a rated insulation voltage of 5000 Vrms and supports a wide operating temperature range from -55°C to +110°C. Key electrical characteristics include a collector-emitter breakdown voltage of 35V, a maximum collector current of 50mA, and a forward voltage of approximately 1.4V at the specified test conditions.
Feature Summary
- Provides high-voltage electrical isolation between input and output circuits
- Features a compact surface-mount form factor for automated assembly
- Ensures reliable signal transmission via direct optical coupling
Applications
- Signal isolation in industrial control systems
- Interface circuits for microcontrollers and logic devices
- Power supply feedback loops
Procurement Notes
Verify the specific suffix codes against the manufacturer's official datasheet to confirm pinout orientation and lead configuration. Ensure the selected variant matches the required surface-mount footprint and thermal specifications for the target application environment before finalizing procurement.
Selection Notes
Select this component when a small surface-mount profile is required alongside standard transistor output characteristics. Confirm that the 5000 Vrms isolation rating meets the safety standards of the end equipment. Verify compatibility with the system's voltage levels and current requirements for both the LED input and phototransistor output stages.
Part Context
This part belongs to the EL817 series, a widely recognized family of optocouplers. The series typically offers variants in both DIP and SMD packages. The specific model denotes a surface-mount version with defined electrical parameters suitable for general-purpose isolation tasks in consumer and industrial electronics.
Replacement Considerations
Cross-reference with other EL817 series variants such as EL817S(C)(TU) or EL817S(D)(TU) to verify package dimensions and pin assignments. Ensure any substitute maintains the same CTR range and isolation voltage ratings.
