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EL817(S1)(TU)-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)：50% @ 5mA
- Current Transfer Ratio (Max)：600% @ 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)(TU)-G is a transistor output optocoupler manufactured by Everlight Electronics Co Ltd. It features an NPN phototransistor output and supports DC input signals. The device provides electrical isolation with a rated insulation voltage of 5000 Vrms. It is designed for surface mount applications using a 4-SMD package configuration. Key electrical characteristics include a maximum collector-emitter voltage of 35V and a continuous collector current of 50mA. The component operates within a temperature range of -55°C to +110°C.
Feature Summary
- Provides galvanic isolation between input and output circuits
- Utilizes an NPN phototransistor for signal transmission
- Supports high voltage isolation requirements
Applications
- Signal isolation in industrial control systems
- Power supply feedback loops
- Microcontroller interface circuits
Procurement Notes
Verify the specific CTR binning suffix (A, B, or C) required for your design, as the base model EL817(S1)(TU)-G may refer to a family or require specific ordering codes for defined gain ranges. Confirm the exact package variant and tape/reel specifications with the manufacturer or authorized distributors before finalizing procurement orders.
Selection Notes
Select this component when surface mount assembly is required for isolated switching applications. Ensure the design accounts for the 50mA collector current limit and the 35V breakdown voltage. Verify that the operating temperature range meets the environmental conditions of the target application.
Part Context
This part belongs to the EL817 series of optocouplers from Everlight. The S1 designation typically indicates a surface mount package variant, distinguishing it from through-hole DIP versions. The TU suffix often denotes tape and reel packaging suitable for automated assembly processes.
Replacement Considerations
Compatible substitutes include other 4-pin surface mount transistor output optocouplers with similar isolation ratings and pin configurations. Verify pinout compatibility and electrical parameters such as CTR and isolation voltage when selecting alternatives.
