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Product Detailed Parameters
- Description：OPTOISO 3.75KV TRIAC 1CH 4DIP GW
- Series：APT
- Mfr：Panasonic Electric Works
- Package：Tube
- Output Type：Triac
- Zero Crossing Circuit：Yes
- Number of Channels：1
- Voltage - Isolation：3750Vrms
- Voltage - Off State：600 V
- Static dV/dt (Min)：500V/µs
- Current - LED Trigger (Ift) (Max)：10mA
- Current - On State (It (RMS)) (Max)：50 mA
- Current - Hold (Ih)：3.5mA
- Turn On Time：100µs (Max)
- Voltage - Forward (Vf) (Typ)：1.21V
- Current - DC Forward (If) (Max)：50 mA
- Operating Temperature：-40°C ~ 100°C
- Mounting Type：Surface Mount
- Package / Case：4-SMD, Gull Wing
- Supplier Device Package：4-DIP Gull Wing
- Approval Agency：cUR, VDE
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Overview
The APT1231A is a phototriac optocoupler manufactured by Panasonic Electric Works. It features a 4-DIP Gull Wing package and provides an isolation voltage of 5000Vrms. The device supports a peak repetitive off-state voltage of 600V. Key electrical parameters include a maximum turn-on time of 100µs, a typical forward voltage of 1.21V, and a maximum DC forward current of 50mA. The operating temperature range extends from -40°C to 100°C.
Feature Summary
- Provides high-voltage isolation between input and output circuits via optical coupling.
- Designed for triac and SCR output applications with robust switching capabilities.
- Utilizes a compact surface-mount compatible DIP package for efficient board integration.
Applications
- Solid-state relay driver circuits
- AC load switching systems
- Industrial control interfaces
Procurement Notes
Verify the component status as Not Recommended for New Designs (NRND) before procurement. Confirm that the 4-SMD Gull Wing package matches the target PCB footprint. Ensure the 600V blocking voltage and 5000Vrms isolation rating meet the specific circuit requirements. Check for RoHS compliance documentation if required by the manufacturing process.
Selection Notes
Select this component when a phototriac output is required for AC switching applications. The 600V rating suits standard mains voltage levels. Consider the 100µs turn-on time for timing-sensitive designs. Verify thermal management needs within the -40°C to 100°C operating range. Compare against other Panasonic APT series devices for pin compatibility.
Part Context
The APT1231A belongs to the Panasonic APT series of phototriac optocouplers. This series is engineered for reliable isolation in power control environments. The device integrates an infrared emitting diode with a light-sensitive triac output. It is part of Panasonic's broader portfolio of electronic components for industrial and consumer electronics.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source data. Consult official Panasonic documentation or distributor cross-reference tools for equivalent components.
