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Product Detailed Parameters
- Description：OPTOISOLTR 5.3KV TRIAC 1CH 4-SMD
- Series：-
- Mfr：Vishay Semiconductor Opto Division
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Type：Triac
- Zero Crossing Circuit：Yes
- Number of Channels：1
- Voltage - Isolation：5300Vrms
- 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：-55°C ~ 110°C
- Mounting Type：Surface Mount
- Package / Case：4-SMD, Gull Wing
- Supplier Device Package：4-SMD
- Approval Agency：CQC, cUL, UL, VDE
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Overview
The VOT8024AB-VT is a PhotoTRIAC output optocoupler featuring an integrated zero-crossing detection circuit. It provides high isolation with an insulation voltage of 5300 Vrms and supports a peak off-state blocking voltage (VDRM) of 800 V. The device operates with a forward current (If) of 50 mA and a forward voltage (Vf) of 1.2 V, dissipating up to 250 mW. It functions within a temperature range of -55°C to +110°C and utilizes a 4-SMD surface-mount package.
Feature Summary
- Integrated zero-crossing detection circuit for precise AC switching
- High input sensitivity combined with low trigger current requirements
- Robust electrical isolation rated at 5300 Vrms
- Surface-mount SMD-4 packaging for compact board integration
Applications
- Solid-state relay (SSR) driver circuits
- AC motor speed control systems
- Lighting dimmer applications
- General-purpose AC load switching
Procurement Notes
Verify the specific suffix 'VT' indicates tape-and-reel packaging when sourcing. Confirm that the component meets required safety certifications such as VDE or UL for the intended application environment. Ensure the operating temperature range aligns with system thermal constraints. Cross-reference the manufacturer part number with official datasheets to confirm pinout compatibility.
Selection Notes
Select this component for applications requiring phase-independent AC switching due to its zero-crossing feature. Consider the 800 V blocking voltage capability for standard mains voltage applications. Evaluate the 5300 Vrms isolation rating against system safety standards. Compare input sensitivity requirements with available drive currents from the controlling logic interface.
Part Context
This component belongs to Vishay's VOT8024Ax series of PhotoTRIAC optocouplers. It shares architectural similarities with the VOT8121Ax series but differs in specific electrical characteristics and packaging options. The series is designed for efficient AC power control with minimal external components.
Replacement Considerations
Publicly confirmed substitute part numbers are not provided in the source documentation. Verify functional equivalence with other Vishay VOT8024 variants or comparable industry-standard zero-crossing TRIAC optocouplers by cross-referencing datasheet parameters.
