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Product Detailed Parameters
- Description：OPTOISOLTR 3.75KV TRIAC 1CH 4DIP
- 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：Through Hole
- Package / Case：4-DIP (0.400", 10.16mm)
- Supplier Device Package：4-DIP
- Approval Agency：cUR, VDE
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Overview
The APT1231W is a single-channel optoisolator manufactured by Panasonic Electric Works, featuring a triac output configuration. It provides electrical isolation with a voltage rating of 5000Vrms and supports an off-state voltage of 600V. The device operates within a temperature range of -40°C to +100°C and includes a zero-crossing circuit for noise reduction. Maximum continuous output current is rated at 100mA, with a maximum trigger current of 10mA. It utilizes a 4-DIP through-hole package.
Feature Summary
- Integrates a zero-crossing detection circuit to minimize electromagnetic interference during switching events
- Provides high-voltage isolation capability suitable for demanding signal transmission applications
- Features a robust triac output stage designed for AC load control
Applications
- AC motor speed control systems
- Solid-state relay driver circuits
- Industrial automation signal isolation
Procurement Notes
Verify the specific datasheet version to confirm exact isolation voltage ratings and thermal characteristics. Ensure that the selected component matches the required zero-crossing functionality for the target application. Cross-reference manufacturer specifications against system requirements before finalizing procurement decisions.
Selection Notes
Select this component when high-voltage isolation and low-noise AC switching are required. The integrated zero-crossing feature makes it suitable for applications sensitive to electromagnetic interference. Consider the through-hole mounting requirement and operating temperature range when designing the PCB layout.
Part Context
This part belongs to Panasonic's APT series of photo-triac couplers. The series offers various package options and types, including random and zero-cross variants. The APT1231W specifically addresses applications requiring reliable isolation and controlled AC power switching in industrial environments.
Replacement Considerations
Consult official Panasonic documentation for direct substitutes. Verify pinout compatibility and electrical parameters such as isolation voltage and output current capacity before considering alternative components.
FAQ
Does the APT1231W include a zero-crossing circuit?
Yes, the APT1231W features an integrated zero-crossing circuit to reduce switching noise.
What is the maximum operating temperature for this component?
The maximum operating temperature is +100°C.
