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EL817(S1)(D)(TB)-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)：300% @ 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)(D)(TB)-G is a single-channel transistor output optocoupler manufactured by Everlight Electronics. It features an infrared emitting diode optically coupled to an NPN phototransistor detector. The device provides high isolation voltage of 5000 Vrms between input and output circuits. It is designed for surface mount applications in a compact SMD package. The component supports DC input signals and offers standard current transfer characteristics suitable for general-purpose signal isolation tasks.
Feature Summary
- Provides electrical isolation between input and output circuits using optical coupling technology
- Features an NPN phototransistor output configuration for digital signal transmission
- Designed for surface mount assembly to facilitate automated PCB manufacturing processes
Applications
- Signal isolation in industrial control systems
- Input/output interface isolation in consumer electronics
- Power supply feedback loop isolation
Procurement Notes
Verify the specific suffix codes against official Everlight documentation to confirm package type, tape/reel specifications, and compliance status. Confirm availability as distribution channels may vary. Ensure the selected variant matches the required isolation voltage and current transfer ratio specifications for the target application circuit design.
Selection Notes
Select this component when surface mount packaging is required for the EL817 series functionality. Verify that the NPN phototransistor output aligns with the receiving circuit requirements. Check that the 5000 Vrms isolation rating meets the safety standards of the intended equipment. Confirm operating temperature range compatibility with the environmental conditions of the deployment site.
Part Context
This part belongs to the EL817 series of photocouplers from Everlight Electronics. The series includes various DIP and SMD variants with different lead configurations and packaging options. The EL817 family is widely recognized for its reliability in providing galvanic isolation in electronic circuits across multiple industries.
Replacement Considerations
Direct substitutes include other EL817 SMD variants such as EL817(S1)(D)(TU)-G or EL817(S1)(C)(TB)-G, provided pinout and electrical parameters match. Cross-brand replacements require verification of CTR, isolation voltage, and package dimensions.
