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EL817(S)(TB)-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)：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)(TB)-VG is a single-channel transistor output optocoupler manufactured by Everlight Electronics Co Ltd. It features an infrared emitting diode optically coupled to an NPN phototransistor detector, housed in a surface-mount 4-SMD package. The device provides high isolation voltage of 5000 Vrms between input and output circuits. It operates within a temperature range of -55°C to +110°C and supports a maximum forward current of 60 mA. The component is RoHS compliant and holds multiple international safety approvals including UL, VDE, SEMKO, NEMKO, DEMKO, FIMKO, CSA, and CQC.
Feature Summary
- High isolation voltage capability of 5000 Vrms between input and output channels
- Wide operating temperature range extending up to +110°C for industrial environments
- Compact surface-mount 4-pin SMD package design for automated assembly
- Comprehensive global safety certifications including UL, VDE, and CSA recognition
Applications
- Industrial control systems requiring galvanic isolation
- Signal transmission across isolated ground planes
- Switching power supply feedback loops
- Microcontroller interface circuits with voltage level shifting
Procurement Notes
Verify the specific suffix configuration against the manufacturer datasheet to ensure compatibility with required packaging formats such as tape and reel or cut tape. Confirm that the selected variant meets all necessary regional safety standards and compliance requirements for the intended application environment before finalizing procurement orders.
Selection Notes
Select this component when surface-mount technology integration is required alongside high-voltage isolation capabilities. Ensure the circuit design accommodates the specified collector-emitter breakdown voltage and current transfer ratio characteristics. Verify that the thermal management strategy supports operation within the defined temperature limits for reliable long-term performance.
Part Context
This part belongs to the EL817 series of optocouplers, which utilize an infrared LED coupled to a phototransistor. The series offers various configurations including DIP and SMD packages with different current transfer ratios. The EL817(S)(TB)-VG specifically denotes the surface-mount variant optimized for modern PCB assembly processes while maintaining robust electrical isolation properties.
Replacement Considerations
Compatible substitutes include other EL817 series variants such as EL817(S)(C)(TB)-VG or EL817(S)(D)(TB)-VG, provided they match the required current transfer ratio specifications and package dimensions for direct board replacement.
