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Product Detailed Parameters
- Description：OPTOISOLATR 5KV TRIAC 1CH 4DIPSL
- 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：5000Vrms
- Voltage - Off State：400 V
- Static dV/dt (Min)：1kV/µs
- Current - LED Trigger (Ift) (Max)：10mA
- Current - On State (It (RMS)) (Max)：-
- Current - Hold (Ih)：237µA (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-DIP-SL
- Approval Agency：CQC, cULus, cURus, UL, VDE
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Overview
The Würth Elektronik 14230424300 is a WL-OCTR series optocoupler featuring a Triac output. It provides electrical isolation with a rated voltage of 5 kVrms and supports a peak repetitive off-state voltage of 400 V. The device operates in zero-crossing mode and utilizes a 4-pin DIP-SL package. Input current specifications include a value of 10 mA, ensuring reliable switching for AC load control applications while maintaining high isolation integrity.
Feature Summary
- Zero-crossing Triac output for reduced electromagnetic interference during switching
- High isolation voltage rating of 5 kVrms for safety-critical circuits
- Compact 4-pin DIP-SL package design for space-constrained PCB layouts
Applications
- Solid state relay (SSR) driver circuits
- AC motor speed control systems
- Lighting dimmer applications
Procurement Notes
Verify the specific suffix and packaging configuration against the manufacturer's latest datasheet before ordering. Confirm that the 5 kVrms isolation rating meets the safety requirements of the target application environment. Ensure compatibility with the 400 V peak off-state voltage limit for the intended AC load. Check for any RoHS or REACH compliance documentation required by regional regulations.
Selection Notes
Select this component when zero-crossing detection is required to minimize inrush currents and noise in AC switching applications. The 400 V rating suits low-to-medium voltage AC loads. Consider the DIP-SL footprint for through-hole assembly processes. Evaluate the 5 kVrms isolation barrier for galvanic separation needs between control and power stages.
Part Context
This part belongs to the WL-OCTR series from Würth Elektronik, designed specifically for Triac and SCR output optoisolator applications. The series emphasizes high isolation performance and reliable switching characteristics for industrial and consumer electronics. The zero-crossing feature distinguishes it from random-phase variants, offering improved signal integrity in sensitive AC control environments.
Replacement Considerations
Consult official Wurth Elektronik substitution guides for compatible alternatives within the WL-OCTR family. Verify pinout compatibility and isolation voltage ratings when considering cross-brand replacements. Ensure the substitute device maintains the zero-crossing functionality if EMI reduction is critical.
