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Product Detailed Parameters
- Description：OPTOISOLATOR 5KV TRIAC 1CH 6-SMD
- Series：-
- Mfr：Vishay Semiconductor Opto Division
- Package：Tube
- Output Type：Triac
- Zero Crossing Circuit：No
- Number of Channels：1
- Voltage - Isolation：5000Vrms
- Voltage - Off State：800 V
- Static dV/dt (Min)：1kV/µs
- Current - LED Trigger (Ift) (Max)：5mA
- Current - On State (It (RMS)) (Max)：100 mA
- Current - Hold (Ih)：400µA (Typ)
- Turn On Time：-
- Voltage - Forward (Vf) (Typ)：1.2V
- Current - DC Forward (If) (Max)：50 mA
- Operating Temperature：-40°C ~ 110°C
- Mounting Type：Surface Mount
- Package / Case：6-SMD, Gull Wing
- Supplier Device Package：6-SMD
- Approval Agency：CQC, cUL, UL, VDE
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Overview
The VOT8125AB is a non-zero crossing optoisolator featuring a GaAs infrared LED coupled to a photosensitive TRIAC in a surface-mount DIP-6 package. It provides 5000Vrms isolation and supports an 800V repetitive peak off-state voltage. The device delivers a maximum on-state current of 100 mA with high input sensitivity, requiring a typical trigger current of 5 mA. It exhibits a high static dV/dt rating of 1000 V/µs and operates within a temperature range of -40°C to +100°C.
Feature Summary
- Non-zero switching operation for precise timing control
- High static dV/dt immunity of 1000 V/µs
- High input sensitivity with low trigger current requirements
Applications
- Solid-state relay driver circuits
- Motor control systems
- Industrial process control interfaces
Procurement Notes
Verify the specific suffix (e.g., -VT, -T) against the datasheet to confirm packaging type and reel specifications. Ensure the selected variant matches the required lead-free and RoHS compliance standards. Confirm that the 800V voltage rating and 100mA current capacity align with the target application's electrical demands before procurement.
Selection Notes
Select this component when non-zero crossing behavior is acceptable or required for the load switching application. The 100 mA output current limits suitability to low-power loads compared to higher-current triac outputs. Verify that the 5000Vrms isolation voltage meets the safety requirements of the system interface. Consider the SMD package constraints for PCB layout and thermal management.
Part Context
This device belongs to Vishay’s VOT8125A family of optotriacs, designed for general-purpose AC load switching. The family includes variants with different packaging options such as DIP and SMD configurations. These components are engineered to provide reliable galvanic isolation between control logic and AC power stages in compact electronic designs.
Replacement Considerations
Check for direct substitutes within the VOT8125A series, such as VOT8125AD or VOT8125AG, which may offer identical electrical characteristics but differ in packaging or certification. Verify pinout compatibility and isolation voltage ratings when considering alternative manufacturers' parts.
