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Product Detailed Parameters
- Description：OPTOISOLTR 5.3KV TRIAC 1CH 6-DIP
- Series：-
- Mfr：Vishay Semiconductor Opto Division
- Package：Tube
- 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)：1.6mA
- 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：Through Hole
- Package / Case：6-DIP (0.300", 7.62mm)
- Supplier Device Package：6-DIP
- Approval Agency：BSI, cUR, FIMKO, UR
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Overview
The VO4258D is a single-channel Triac and SCR output optocoupler manufactured by Vishay Semiconductor Opto Division. It features a non-zero-crossing PhotoTriac output capable of blocking up to 800 V in the off-state. The device provides an isolation voltage of 5300 Vrms between input and output circuits. It operates with a maximum forward current of 60 mA and supports a continuous output current of 300 mA. The unit is housed in a PDIP-6 package and functions within a temperature range of -55°C to +100°C.
Feature Summary
- Non-zero-crossing PhotoTriac output for phase-angle control applications
- High insulation voltage rating of 5300 Vrms
- Low input trigger current capability
- Robust static dV/dt performance
Applications
- Solid-state relays
- Motor control systems
- Lighting dimmers
- Heater control circuits
Procurement Notes
Verify the specific suffix 'D' corresponds to the PDIP-6 through-hole package variant when ordering. Confirm RoHS compliance status via the official datasheet, as manufacturing updates may occur. Ensure the non-zero-crossing characteristic aligns with the target application requirements, distinguishing it from zero-crossing variants like the VO4158 series.
Selection Notes
Select this component for applications requiring precise phase-angle control where zero-crossing switching is undesirable. The high blocking voltage suits mains-powered loads. Consider the PDIP-6 form factor for through-hole assembly processes. Evaluate thermal management needs given the 600 mW power dissipation limit at elevated temperatures.
Part Context
This part belongs to the Vishay VO425x family of phototriac optocouplers. Unlike the VO4158 series which includes zero-crossing circuitry, the VO4258 series is designed for random-phase triggering. It shares similar electrical characteristics with other members like the VO4258H and VO4258M, differentiated primarily by trigger current specifications and packaging options.
Replacement Considerations
Direct substitutes include VO4258H and VO4258M, noting differences in trigger current ratings. Surface-mount equivalents such as the VO4258D-X007T offer identical electrical performance in a 6-SMD package.
