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EL817S(C)(TU)(ELEU)
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Product Detailed Parameters
- Description：OPTOISOLATOR 5KV 1CH TRANS 4-DIP
- Series：EL817
- 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：Through Hole
- Package / Case：4-DIP (0.300", 7.62mm)
- Supplier Device Package：4-DIP
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Overview
The EL817S(C)(TU)(ELEU) is a transistor output optocoupler manufactured by Everlight Electronics Co Ltd. It features a single channel configuration with an isolation voltage rating of 5000Vrms. The device utilizes a 4-DIP package, specifically designed for surface mount or through-hole integration depending on the specific variant suffix interpretation, though documentation cites 4-DIP (0.300 inch pitch). This component serves as an electrical isolation barrier between input and output circuits.
Feature Summary
- Provides galvanic isolation between input control signals and output loads using light transmission.
- Features a phototransistor output stage suitable for digital signal switching applications.
- Designed with a compact 4-pin DIP form factor to facilitate standard PCB mounting.
Applications
- Signal isolation in microcontroller interfacing circuits
- Switching power supply feedback loops
- Industrial control system input/output modules
Procurement Notes
Verify the exact package type against the manufacturer's latest datasheet, as sources indicate both 4-DIP and 4-SMD variations within the EL817S family. Confirm that the (TU) and (ELEU) suffixes align with your required reel packaging and lead-free compliance standards before finalizing orders.
Selection Notes
Select this component when high isolation voltage is required for single-channel applications. Ensure the collector-emitter voltage and current transfer ratio specifications meet the load requirements. Compare against the broader EL817 series if alternative pinouts or CTR grades are acceptable for the design.
Part Context
This part belongs to the EL817 series of phototransistor optocouplers from Everlight. The series is widely used for general-purpose isolation. The specific model denotes a transistor output type with defined insulation characteristics, distinct from triac or logic-output variants within the same product line.
Replacement Considerations
Check for direct equivalents such as the PC817 series or HCPL-2630 depending on speed and CTR requirements. Verify pin compatibility and isolation voltage ratings before substituting with other manufacturers' components.
