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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-VT3 is a zero-crossing PhotoTRIAC optocoupler manufactured by Vishay Semiconductor Opto Division. It integrates a GaAs infrared LED with a photosensitive TRIAC featuring an integrated zero-crossing detection circuit, packaged in a compact 4-SMD surface-mount configuration. The device provides high isolation voltage of 5300 Vrms and supports a peak repetitive off-state voltage (VDRM) of 800 V. Key electrical parameters include a maximum forward current (If) of 50 mA, a forward voltage (Vf) of 1.2 V, and a maximum trigger current of 5 mA. It operates within a temperature range of -55°C to +110°C and includes certification for VDE standards.
Feature Summary
- Integrated zero-crossing detection circuit minimizes electromagnetic interference during switching
- High insulation voltage capability ensures safe isolation between control and load circuits
- Compact SMD-4 package design reduces board space requirements
- Certified compliance with VDE safety standards for industrial applications
Applications
- Solid-state relay driver circuits
- Motor speed control systems
- Lighting dimmer controls
Procurement Notes
Verify the specific suffix VT3 indicates tape-and-reel packaging when sourcing components. Confirm that the VDE certification requirement is met for your target market regulations. Ensure the 800V blocking voltage aligns with your AC line voltage specifications. Check for RoHS compliance status if environmental regulations apply to your assembly process.
Selection Notes
Select this component when zero-crossing switching is required to reduce noise in AC power control applications. The 5300 Vrms isolation rating suits high-voltage industrial environments. Consider the 4-SMD footprint for automated surface-mount assembly lines. Verify that the 50 mA input current drive capability matches your microcontroller or logic output stages.
Part Context
This part belongs to the VOT8024 series of PhotoTRIAC optocouplers from Vishay. It shares functional similarities with the VOT8024AB but differs in packaging format. The VT3 suffix typically denotes reel packaging for high-volume surface-mount production. It serves as a direct replacement for legacy DIP-4 versions where board space is constrained.
Replacement Considerations
- VOT8024AB-T3
FAQ
What is the purpose of the zero-crossing circuit in this device?
The zero-crossing circuit delays triggering until the AC voltage waveform crosses zero, reducing electromagnetic interference and inrush current.
Does the VOT8024AB-VT3 support VDE certification?
Yes, the datasheet confirms VDE certification for this specific variant.
