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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-VT2 is a zero-crossing phototriac output optocoupler in an SMD-4 package. It features a PhotoTriac output rated for 800V off-state voltage and 100mA on-state current. The device includes an integrated zero-voltage crossing detector with a 180-degree VDE compliance angle. Electrical isolation is rated at 5300Vrms. Key parameters include a maximum forward current of 50mA, forward voltage of 1.2V, power dissipation of 250mW, and high static dV/dt of 1000V/μs. Operating temperature range spans from -55°C to +110°C.
Feature Summary
- Integrated zero-voltage crossing detector for reduced electromagnetic interference
- High static dV/dt rating of 1000 V/μs for noise immunity
- Space-saving surface-mount SMD-4 package design
- High input sensitivity with 5 mA trigger current
Applications
- Solid-state relay driver circuits
- AC motor control systems
- Lighting dimmer applications
Procurement Notes
Verify the specific suffix VT2 indicates the reel packaging format and 180-degree zero-crossing characteristic as documented by Vishay. Confirm RoHS compliance status through official datasheets. Ensure the procurement source provides valid traceability documentation matching the manufacturer's part identification standards.
Selection Notes
Select this component when zero-crossing switching is required to minimize electrical noise in AC load control. The 800V blocking voltage suits general mains-level applications. Verify that the 100mA output current meets the gate drive requirements of the connected triac or SCR. The SMD-4 footprint must align with the target PCB layout constraints.
Part Context
This device belongs to Vishay’s family of zero-crossing phototriac optocouplers. It integrates an infrared emitting diode with a silicon photo-triac and signal processing circuitry. The VOT8024AB-VT2 variant specifically denotes the tape-and-reel packaging configuration with defined zero-crossing timing characteristics for industrial AC switching.
Replacement Considerations
Check VOT8024AB-VT1 for identical functionality with different packaging. Verify VOT8024AB for tube-packaged equivalents. Ensure substitute parts maintain the 180-degree zero-crossing angle and 5300Vrms isolation rating.
