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Product Detailed Parameters
- Description：OPTOISOLTR 5.3KV TRIAC 1CH 6-SMD
- Series：-
- Mfr：Vishay Semiconductor Opto Division
- Package：Tape & Reel (TR)
- Output Type：Triac
- Zero Crossing Circuit：No
- Number of Channels：1
- Voltage - Isolation：5300Vrms
- Voltage - Off State：800 V
- Static dV/dt (Min)：5kV/µs
- Current - LED Trigger (Ift) (Max)：2mA
- Current - On State (It (RMS)) (Max)：300 mA
- Current - Hold (Ih)：-
- Turn On Time：-
- Voltage - Forward (Vf) (Typ)：1.2V
- Current - DC Forward (If) (Max)：60 mA
- Operating Temperature：-55°C ~ 100°C
- Mounting Type：Surface Mount
- Package / Case：6-SMD, Gull Wing
- Supplier Device Package：6-SMD
- Approval Agency：BSI, cUR, FIMKO, UR, VDE
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Overview
The VO4258H-X017T is a non-zero-crossing phototriac output optocoupler manufactured by Vishay Semiconductor Opto Division. It features a single channel with an 800V blocking voltage and a maximum continuous output current of 300 mA. The device provides 5300 Vrms isolation voltage and operates within a temperature range of -55°C to +100°C. Packaged in a 6-SMD surface-mount configuration, it utilizes a low trigger current of 2 mA for efficient control.
Feature Summary
- Non-zero-crossing triac output design for flexible phase control applications
- High dV/dt immunity to prevent false triggering in noisy environments
- Low input forward current requirement for reduced power consumption
- Robust insulation capability with high isolation voltage rating
Applications
- Solid-state relay (SSR) circuits
- AC motor speed control systems
- Lighting dimmer controls
- Heater control interfaces
Procurement Notes
Verify the specific suffix X017T confirms the 6-SMD package variant distinct from the standard PDIP version. Confirm RoHS compliance status directly with the manufacturer datasheet as packaging options may vary. Ensure the non-zero-crossing characteristic aligns with your AC switching requirements rather than zero-crossing alternatives.
Selection Notes
Select this component when phase-angle control is required without the delay associated with zero-crossing detection. The 800V blocking voltage suits general AC line applications. Verify that the 300mA output current meets load requirements. Consider thermal management if operating near the upper temperature limit of 100°C.
Part Context
This part belongs to Vishay's phototriac output optocoupler family designed for AC power switching. Unlike zero-crossing variants, this model allows immediate turn-on upon signal application, making it suitable for precise timing control in industrial and consumer AC loads.
Replacement Considerations
Direct pin-compatible replacements include other Vishay non-zero-crossing triac optocouplers such as the VO4258 series variants. Verify equivalent isolation voltage and current ratings before substitution.
