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EL817(S1)(C)(TD)-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)：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：Surface Mount
- Package / Case：4-SMD, Gull Wing
- Supplier Device Package：4-SMD
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Overview
The EL817(S1)(C)(TD)-VG is a single-channel transistor output optocoupler manufactured by Everlight Electronics. It integrates an infrared emitting diode with an NPN phototransistor detector to provide electrical isolation between input and output circuits. The device features a surface-mount package configuration designed for compact PCB layouts. It supports DC input signals and offers high isolation voltage capabilities suitable for various industrial applications. The component operates within a wide temperature range, ensuring reliability in demanding environments.
Feature Summary
- Provides galvanic isolation between input and output circuits using optical coupling technology
- Features an NPN phototransistor output for digital signal transmission
- Designed with a compact surface-mount package for automated assembly
Applications
- Industrial control systems requiring signal isolation
- Computer peripheral interface circuits
- Power supply feedback loops
Procurement Notes
Verify the specific suffix codes against the manufacturer's official datasheet to confirm pinout compatibility and packaging type. Ensure that the ordering information matches the exact variant required for your design, as suffixes often denote differences in tape-and-reel specifications or regulatory approvals. Cross-reference the part number with current availability status from authorized distributors.
Selection Notes
Select this component when a surface-mount solution is required for isolating low-voltage digital signals. Consider the collector-emitter breakdown voltage and current transfer ratio requirements of your circuit design. Verify that the operating temperature range meets your application's environmental conditions. Ensure the isolation voltage rating exceeds the maximum potential difference between the isolated domains.
Part Context
This part belongs to the EL817 series of optocouplers, which are widely used for general-purpose isolation tasks. The series typically includes both through-hole and surface-mount variants. The EL817 family is known for its cost-effectiveness and reliability in consumer and industrial electronics. This specific model represents the surface-mount version with specific packaging and compliance markings.
Replacement Considerations
Compatible substitutes include other EL817 series surface-mount variants such as EL817(S)(C)(TU) or equivalent parts from other manufacturers like PC817 in SOP-4 packages. Verify pin compatibility and electrical parameters before substitution.
