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Product Detailed Parameters
- Description：OPTOISOLATOR 5.3KV TRIAC 1CH
- Series：-
- Mfr：Vishay Semiconductor Opto Division
- Package：Tube
- Output Type：Triac
- Zero Crossing Circuit：No
- Number of Channels：1
- Voltage - Isolation：5300Vrms
- Voltage - Off State：800 V
- Static dV/dt (Min)：10kV/µs
- Current - LED Trigger (Ift) (Max)：2mA
- Current - On State (It (RMS)) (Max)：300 mA
- Current - Hold (Ih)：500µA
- Turn On Time：35µs
- Voltage - Forward (Vf) (Typ)：1.16V
- Current - DC Forward (If) (Max)：60 mA
- Operating Temperature：-55°C ~ 100°C
- Mounting Type：Surface Mount
- Package / Case：6-SMD
- Supplier Device Package：-
- Approval Agency：CQC, CSA, cUR, UR
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Overview
The IL4208-X009 is a phototriac output optocoupler featuring a gallium arsenide infrared LED coupled to a triac detector. It provides high isolation voltage of 5300 Vrms and supports a maximum continuous output current of 300 mA with an off-state voltage of 800 V. The device operates without a zero-crossing circuit, offering a turn-on time of 35 µs and a minimum static dV/dt of 10 kV/µs. It functions within a temperature range of -55°C to +100°C and utilizes a 6-SMD gull wing package.
Feature Summary
- High isolation voltage capability for robust electrical separation
- Low input current requirement for efficient drive
- High static dV/dt immunity for noise resistance
- Wide operating temperature range for harsh environments
Applications
- Solar equipment isolation
- Smart meter interfaces
- Smart grid communication systems
Procurement Notes
Verify the specific suffix against official Vishay documentation to confirm pinout and packaging variations. Ensure the selected variant matches the required surface mount configuration. Cross-reference certification marks such as UL or CSA if regulatory compliance is mandatory for the end application. Confirm RoHS status directly from the manufacturer's latest release notes.
Selection Notes
Select this component when high dv/dt immunity and low input current are critical for system efficiency. The absence of a zero-crossing circuit makes it suitable for phase-control applications requiring fast response. Verify that the 800 V off-state voltage meets the load requirements. Ensure the SMD footprint aligns with the PCB design constraints.
Part Context
This part belongs to the Vishay IL420 series of high-isolation optocouplers designed for industrial and energy applications. The series emphasizes reliability in high-voltage environments. The IL4208-X009 specifically addresses the need for compact surface-mount solutions with triac outputs for AC load control.
Replacement Considerations
Consult Vishay datasheets for direct pin-compatible alternatives within the IL420 family. Verify electrical parameters such as isolation voltage and current transfer ratio before substitution.
