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EL817(S1)(D)(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)：300% @ 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)(D)(TA)-V is a single-channel transistor output optocoupler manufactured by Everlight Electronics. It integrates an infrared emitting diode with an NPN phototransistor detector in a surface-mount package. The device provides high isolation voltage of 5000 Vrms between input and output circuits. Key electrical parameters include a collector-emitter breakdown voltage of 35 V, maximum forward current of 50 mA, and nominal current transfer ratio ranging from 300% to 600%. Operating temperature range spans from -55°C to +110°C.
Feature Summary
- High isolation voltage capability for safe circuit separation
- Compact surface-mount design for space-constrained applications
- Wide operating temperature range for diverse environmental conditions
Applications
- Industrial control systems requiring galvanic isolation
- Signal transmission across isolated ground planes
- Power supply feedback loops for voltage regulation
Procurement Notes
Verify the specific suffix configuration against official Everlight documentation to ensure correct packaging and compliance status. Confirm availability through authorized distributors as lead times may vary. Check RoHS and UL recognition details directly from the datasheet before integration into production designs.
Selection Notes
Select this component when surface-mount technology is required for standard DIP-4 equivalent functionality. Ensure the 5000 Vrms isolation rating meets system safety requirements. Verify that the NPN phototransistor output characteristics align with the receiving circuit's logic levels and drive capabilities.
Part Context
This part belongs to the EL817 series of optocouplers, which are widely used for general-purpose signal isolation. The SMD variant offers a footprint alternative to traditional through-hole DIP packages while maintaining similar electrical performance profiles within the family.
Replacement Considerations
Direct substitutes include other 4-pin SMD transistor output optocouplers with comparable isolation ratings. Verify pinout compatibility and CTR ranges when considering alternatives from different manufacturers.
