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EL817S(C)(TA)-V
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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)：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 EL817S(C)(TA)-V is a single-channel transistor output optocoupler manufactured by Everlight Electronics. It integrates an infrared emitting diode with a phototransistor detector in a surface-mount 4-SMD package. The device provides high isolation voltage of 5000 Vrms and supports an operating temperature range from -55°C to +110°C. Key electrical parameters include a collector-emitter breakdown voltage of 35 V, maximum forward current of 50 mA, and typical current transfer ratio ranging from 200% to 600%. It complies with RoHS standards and holds UL and VDE approvals.
Feature Summary
- High isolation voltage capability between input and output circuits
- Compact surface-mount package design for automated assembly
- Wide operating temperature range suitable for industrial environments
- Compliant with international safety standards including UL and VDE
Applications
- Signal isolation in microprocessor systems
- Switching power supply feedback loops
- Industrial control circuit isolation
- Communication interface signal transmission
Procurement Notes
Verify the specific CTR binning code (C) required for your application, as performance varies within the specified range. Confirm the tape-and-reel packaging format matches your pick-and-place equipment specifications. Ensure the component meets all relevant regional compliance requirements for your final product deployment.
Selection Notes
Select this component when surface-mount technology is required for space-constrained designs. Consider the CTR variation when designing bias networks to ensure reliable switching across the full temperature range. Verify that the 50 mA forward current limit aligns with your drive circuit capabilities.
Part Context
This part belongs to the EL817 series, a widely used family of optocouplers. The S suffix indicates a surface-mount variant, while the TA designation typically refers to the specific reel packaging configuration. The C binning specifies the current transfer ratio group, distinguishing it from other performance grades within the same package type.
Replacement Considerations
Direct replacements include EL817(S)(C)-V and EL817(S1)(C)(TU)-V from Everlight. Cross-manufacturer equivalents such as PC817 or FOC-817SC-F may be considered if pin compatibility and electrical characteristics are verified against the original datasheet.
