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EL817(S)(TA)-G
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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)：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(S)(TA)-G is a single-channel transistor output optocoupler manufactured by Everlight Electronics. It features an NPN phototransistor output and provides 5000 Vrms isolation voltage between input and output circuits. The device utilizes a surface-mount 4-SMD package configuration, specifically designed for DC input applications. Key electrical characteristics include a collector-emitter voltage of 35V and a maximum output current of 50mA per channel. The component operates within a temperature range of -55°C to 110°C.
Feature Summary
- Provides galvanic isolation via infrared LED and NPN phototransistor architecture
- Supports high insulation voltage ratings for safety-critical signal transmission
- Designed for direct interface with digital logic and microcontroller inputs
Applications
- Signal isolation in industrial control systems
- Power supply feedback loops
- Communication interface isolation
Procurement Notes
Verify the specific suffix codes against official Everlight documentation to ensure correct packaging and compliance status. Confirm availability through authorized distributors as lead times may vary. Check RoHS compliance details directly from the datasheet before integration into regulated products.
Selection Notes
Select this component when high isolation voltage and compact surface-mount form factors are required. Ensure the NPN output type matches the receiving circuit requirements. Verify thermal management capabilities within the specified operating temperature range for the intended application environment.
Part Context
This part belongs to the EL817 series of optocouplers, widely used for general-purpose isolation tasks. The 'S' indicates surface mount packaging, while '(TA)' typically denotes specific tape and reel packaging configurations. It serves as a modern replacement for through-hole variants in space-constrained designs.
Replacement Considerations
Equivalent parts include other 4-SMD transistor output optocouplers with similar isolation ratings. Verify pinout compatibility and electrical parameters such as CTR and breakdown voltages before substitution.
