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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)：10mA
- 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 VOT8123AB-V is a single-channel Triac output optocoupler manufactured by Vishay Semiconductor Opto Division. It features a 5000Vrms isolation voltage and an 800V blocking voltage (VDRM). The device operates without a zero-crossing circuit, making it suitable for phase control applications. It supports a maximum RMS on-state current of 100mA and requires a maximum LED trigger current of 10mA. The component is housed in a compact 6-SMD surface-mount package and is rated for operation between -40°C and +110°C.
Feature Summary
- High static dV/dt immunity of 1kV/µs for noise isolation
- Non-zero-crossing design for precise phase firing control
- Robust 5000Vrms insulation barrier for safety compliance
Applications
- Industrial equipment motor control
- Home appliance power regulation
- Solid-state relay implementations
Procurement Notes
Verify the specific suffix 'V' indicates the tube packaging format as documented in official Vishay catalogs. Confirm that the 6-SMD footprint matches the target PCB layout requirements. Ensure the non-zero-crossing characteristic aligns with the system's phase-control logic to prevent unintended triggering or timing errors during procurement validation.
Selection Notes
Select this component when high noise immunity and fast switching are required without the delay associated with zero-crossing circuits. The 800V rating suits medium-voltage AC loads. Consider the 100mA current limit for low-power applications. The SMD-6 package offers space efficiency compared to DIP alternatives while maintaining high isolation standards for sensitive industrial environments.
Part Context
This part belongs to the VOT8123 series of Triac output optocouplers from Vishay. It shares architectural similarities with the VOT8026A and VOT8123A models but distinguishes itself through its specific surface-mount packaging and detailed electrical ratings. The series is designed to expand Vishay's portfolio for compact, high-reliability isolation solutions in modern electronic designs.
Replacement Considerations
The VOT8123AB-T3 serves as a tape-and-reel variant of the same functional device. Verify pinout compatibility and thermal characteristics when substituting between different packaging formats within the VOT8121/VOT8123 family.
