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Product Detailed Parameters
- Description：OPTOISOLTR 3.75KV TRIAC 1CH 4SOP
- Series：WL-OCTR
- Mfr：Würth Elektronik
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Type：Triac
- Zero Crossing Circuit：Yes
- Number of Channels：1
- Voltage - Isolation：3750Vrms
- Voltage - Off State：600 V
- Static dV/dt (Min)：1kV/µs
- Current - LED Trigger (Ift) (Max)：15mA
- Current - On State (It (RMS)) (Max)：-
- Current - Hold (Ih)：450µA (Typ)
- Turn On Time：-
- Voltage - Forward (Vf) (Typ)：1.24V
- Current - DC Forward (If) (Max)：60 mA
- Operating Temperature：-40°C ~ 100°C
- Mounting Type：Surface Mount
- Package / Case：4-SMD, Gull Wing
- Supplier Device Package：4-SOP
- Approval Agency：CQC, cULus, cURus, UL, VDE
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Overview
The Würth Elektronik part number 14230614500 is a Triac and SCR Output Optocoupler belonging to the WL-OCTR series. It features a Zero Crossing (ZC) detection mechanism and is housed in a 4-pin SOP package. The device provides an isolation voltage of 3.75 kVrms and supports a peak repetitive off-state voltage of 600 V. It is designed for applications requiring reliable signal isolation with precise switching characteristics.
Feature Summary
- Zero crossing detection for reduced electromagnetic interference
- High isolation voltage rating for safety-critical circuits
- Triac output configuration for AC load control
Applications
- Solid state relays
- AC motor control systems
- Lighting dimmer circuits
Procurement Notes
Verify the specific datasheet version for the WL-OCTR series to confirm pinout compatibility and thermal derating curves. Ensure that the selected operating temperature range aligns with the component's specified limits. Cross-reference the package dimensions against the PCB footprint design to guarantee mechanical fit during assembly.
Selection Notes
Select this component when zero-crossing switching is required to minimize inrush current and noise in AC applications. The 600 V rating suits standard mains voltage environments. Consider the SOP package constraints for board space and verify that the CTR specifications meet the drive requirements of the connected triac or SCR load.
Part Context
This optocoupler is part of Wurth Elektronik’s WL-OCTR family, which specializes in isolated switching solutions. The series integrates an infrared emitting diode with a triac output detector on a single chip. This integration allows for compact designs in power electronics where galvanic isolation is mandatory for user safety and system protection.
Replacement Considerations
Consult official Wurth Elektronik documentation for direct cross-references within the WL-OCTR series. Verify that any substitute maintains the same 3.75 kVrms isolation and 600 V blocking voltage ratings. Ensure the replacement also offers zero-crossing functionality to preserve circuit performance.
