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EL817(S1)(C)(TB)-VG
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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)(TB)-VG is a single-channel transistor output optocoupler manufactured by Everlight Electronics. It features an infrared emitting diode optically coupled to an NPN phototransistor detector, providing electrical isolation with a maximum insulation voltage of 5000 Vrms. The device utilizes a surface-mount package configuration designated as S1 (TB), which corresponds to a low-profile lead form supplied in tape and reel packaging. Key electrical parameters include a collector-emitter breakdown voltage of 35 V minimum, a maximum forward current of 50 mA, and a nominal current transfer ratio of 200%. The component supports a wide operating temperature range from -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 for DC signal transmission.
- Designed for surface-mount assembly with a compact low-profile lead form factor.
Applications
- Signal isolation in industrial control systems
- Interface circuits for microcontrollers and logic devices
- Power supply feedback loops
Procurement Notes
Verify the specific suffix VG against the manufacturer's official documentation to confirm compliance status and environmental certifications. Confirm that the TB tape and reel packaging format aligns with automated assembly requirements. Check current availability status as distribution channels may indicate restricted supply or end-of-life conditions for this specific variant.
Selection Notes
Select this component when a surface-mount solution with low-profile leads is required for space-constrained designs. Ensure the circuit design accommodates the 5000 Vrms isolation rating and the 35 V collector-emitter voltage limit. Verify that the NPN phototransistor output type matches the downstream logic interface requirements compared to PNP alternatives.
Part Context
This part belongs to the EL817 series of transistor output optocouplers produced by Everlight Electronics. The series is widely recognized for its reliability in providing galvanic isolation. The specific model combines the standard EL817 electrical characteristics with a specialized surface-mount package and tape-and-reel delivery method suitable for high-volume manufacturing processes.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source material. Consult the manufacturer's official replacement guide for verified equivalents.
