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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：No
- Number of Channels：1
- Voltage - Isolation：3750Vrms
- Voltage - Off State：600 V
- Static dV/dt (Min)：1kV/µs
- Current - LED Trigger (Ift) (Max)：5mA
- Current - On State (It (RMS)) (Max)：-
- Current - Hold (Ih)：257µA (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 14230534500 is a Triac and SCR output optocoupler belonging to the WL-OCTR series. It features a PhotoTriac output without a zero-crossing circuit, suitable for random phase applications. The device provides high isolation with an insulation voltage of 3750 Vrms. Key electrical parameters include a peak repetitive off-state voltage (VDRM) of 600 V, a maximum trigger current of 5 mA, and a forward current of 60 mA. It operates within a temperature range of -40°C to +100°C and is housed in a SOP-4 surface-mount package.
Feature Summary
- Random-phase triac output capability for precise AC power control
- High isolation voltage ensuring safety in mains-connected circuits
- Compact SOP-4 surface-mount packaging for automated assembly
Applications
- Solid state relays
- AC motor speed controllers
- Lighting dimmer circuits
Procurement Notes
Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status via official documentation. Ensure storage conditions adhere to moisture sensitivity levels specified in the datasheet. Validate pinout compatibility with target PCB footprint prior to integration.
Selection Notes
Select this component when random phase triggering is required rather than zero-crossing switching. Consider the 600 V blocking voltage limit for load compatibility. Evaluate thermal management requirements given the 330 mW power dissipation rating. Ensure the SOP-4 package fits within spatial constraints of the design.
Part Context
This part belongs to the WL-OCTR series of optocouplers designed for industrial and consumer AC control applications. It integrates an infrared LED with a light-sensitive triac in a single encapsulation. The series emphasizes compactness and reliability for isolating low-voltage control signals from high-voltage AC loads.
Replacement Considerations
Consult official Wurth Elektronik substitution guides for verified alternatives. Cross-reference pinouts and electrical ratings carefully. Generic equivalents may lack specific isolation or trigger characteristics.
