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EL817(S1)(A)(TU)-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)：80% @ 5mA
- Current Transfer Ratio (Max)：160% @ 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)(A)(TU)-VG is a single-channel transistor output optocoupler manufactured by Everlight Electronics Co Ltd. It features an NPN phototransistor output and provides electrical isolation with a rated insulation voltage of 5000 Vrms. The component is designed for DC input applications and is available in surface-mount packaging formats including Reel and Cut Tape configurations.
Feature Summary
- Provides galvanic isolation between input and output circuits using optical transmission
- Integrates an infrared emitting diode with an NPN phototransistor detector
- Supports high-voltage isolation requirements for signal integrity
Applications
- Industrial control systems requiring signal isolation
- Power supply feedback loop isolation
- Communication equipment interface protection
Procurement Notes
Verify the specific suffix (A)(TU)-VG against official Everlight documentation to confirm pinout, CTR binning, and RoHS compliance status. Confirm availability as distribution channels may list this part as discontinued or limited stock. Ensure the selected package variant matches the intended PCB footprint requirements before ordering.
Selection Notes
Select this component when a compact SMD solution is required for isolating low-power digital signals. Verify that the 35V collector-emitter voltage rating meets the load requirements. Check the current transfer ratio specifications if precise gain linearity is necessary for the application circuit design.
Part Context
This device belongs to the EL817 family of optocouplers, which are widely used for general-purpose isolation. The specific (S1) designation typically indicates a particular current transfer ratio bin or performance grade within the series, distinguishing it from standard variants.
Replacement Considerations
Direct replacements include other EL817 variants such as EL817(S)(C)(TU) or EL817S1(C)(TU)-G, provided the pinout and isolation ratings are compatible. Verify mechanical dimensions and electrical characteristics against the original datasheet before substitution.
