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Product Detailed Parameters
- Description：OPTOISOLATOR 5KV TRIAC 1CH 4-DIP
- Series：APT
- Mfr：Panasonic Electric Works
- Package：Tape & Reel (TR)
- Output Type：Triac
- Zero Crossing Circuit：No
- Number of Channels：1
- Voltage - Isolation：5000Vrms
- Voltage - Off State：600 V
- Static dV/dt (Min)：500V/µs
- Current - LED Trigger (Ift) (Max)：10mA
- Current - On State (It (RMS)) (Max)：100 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 Panasonic Electric Works APT1221AZ is a single-channel optoisolator featuring a Triac output. It provides high isolation with a voltage rating of 5000Vrms and supports an off-state voltage of 600V. The device handles a maximum RMS on-state current of 100mA and requires a maximum DC forward input current of 50mA. Key electrical characteristics include a typical forward voltage of 1.21V, a minimum static dV/dt of 500V/µs, and a maximum turn-on time of 100µs. It operates within a temperature range of -40°C to 100°C.
Feature Summary
- Provides galvanic isolation between control circuits and high-voltage loads via optical coupling.
- Features a random-phase Triac output suitable for AC power switching applications without zero-crossing detection.
- Designed for surface mount installation in a compact 4-DIP gull wing package.
Applications
- Solid state relay driver circuits
- AC motor speed control systems
- Lighting dimmer modules
Procurement Notes
Verify the specific suffix 'AZ' matches the required packaging configuration, as Panasonic utilizes suffixes to denote tape-and-reel or cut-tape formats rather than functional changes. Confirm that the 4-DIP gull wing package aligns with the target PCB footprint. Ensure the supplier source is authorized to guarantee component authenticity and traceability for industrial safety certifications.
Selection Notes
Select this component when random-phase triggering is required for AC loads, distinguishing it from zero-crossing variants. The 5000Vrms isolation rating suits high-noise environments. Verify that the 100mA output current capacity meets the load requirements. Consider the 600V blocking voltage for standard mains applications. Ensure the SMD mounting style fits the assembly process constraints.
Part Context
This part belongs to the APT series of phototriac couplers from Panasonic Electric Works. These devices are engineered for reliable AC power control in consumer and industrial electronics. The series offers various isolation voltages and output configurations to support diverse switching needs while maintaining compact form factors for modern circuit board designs.
Replacement Considerations
APT1221AX is listed as a substitute part number by Panasonic Industry.
FAQ
Does the APT1221AZ include a zero-crossing circuit?
No, the APT1221AZ features a random-phase output, meaning it triggers immediately upon receiving the input signal regardless of the AC line voltage phase.
What is the maximum operating temperature for this optoisolator?
The device is rated for operation up to 100°C.
