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EL817(S1)(TB)
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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)：4µs, 3µs
- Input Type：DC
- Output Type：Transistor
- Voltage - Output (Max)：35V
- 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)(TB) is a transistor output optocoupler manufactured by Everlight Electronics Co Ltd. It features a single channel with an NPN phototransistor output and DC input type. The device provides high isolation capability with a rated insulation voltage of 5000 Vrms. It is available in surface mount packaging formats including Reel and Cut Tape configurations. The component weighs approximately 260 mg per unit and belongs to the Transistor Output Optocouplers product category under the broader Optocouplers sub-category.
Feature Summary
- Provides electrical isolation between input and output circuits using optical transmission
- Features an NPN phototransistor output stage for signal switching applications
- Supports high voltage isolation requirements up to 5000 Vrms
Applications
- Industrial control systems requiring signal isolation
- Power supply feedback loops
- Communication equipment interface isolation
Procurement Notes
Verify current availability status as distribution channels may indicate limited or restricted supply conditions. Confirm specific suffix variations such as (G) or (V) against official datasheets to ensure correct package and compliance attributes match design requirements before ordering.
Selection Notes
Select this component when high isolation voltage is required in a compact surface mount form factor. Ensure circuit design accommodates the NPN phototransistor output characteristics and verify thermal management within the specified operating temperature range for reliable long-term performance in isolated environments.
Part Context
This part belongs to the EL817 series of optocouplers produced by Everlight Electronics. The series includes various package options and compliance variants designed for general-purpose isolation tasks. The S1 designation typically indicates specific performance grading or binning within the standard EL817 family lineup.
Replacement Considerations
Check for direct substitutes like EL817(S1)(TA)-G or EL817(S1)(D)(TB)-G which share similar electrical specifications but may differ in packaging or compliance markings. Verify pinout compatibility and isolation ratings before substituting.
