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Product Detailed Parameters
- Description：TRIAC SENS GATE 600V 4A TO202-3
- Series：-
- Mfr：STMicroelectronics
- Package：Tube
- Triac Type：Logic - Sensitive Gate
- Voltage - Off State：600 V
- Current - On State (It (RMS)) (Max)：4:00 AM
- Voltage - Gate Trigger (Vgt) (Max)：1.3 V
- Current - Non Rep. Surge 50, 60Hz (Itsm)：20A, 21A
- Current - Gate Trigger (Igt) (Max)：3 mA
- Current - Hold (Ih) (Max)：3 mA
- Configuration：Single
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Through Hole
- Package / Case：TO-202 No Tab
- Supplier Device Package：TO-202-3
- Grade：-
- Qualification：-
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Overview
The Z0402MF 1AA2 is a bidirectional triac manufactured by STMicroelectronics, designed for AC power switching applications. It features a TO-202 through-hole package with three pins. Key electrical parameters include a rated repetitive off-state voltage (VDRM) of 600 V and an on-state current rating of 4.0 A. The device supports a non-repetitive surge current of 21 A. Gate trigger specifications are defined by a maximum gate trigger voltage (VGT) of 1.3 V and a maximum gate trigger current (IGT) of 3 mA. The component operates within a junction temperature range of -40°C to +125°C.
Feature Summary
- Four-quadrant triggering capability for reliable gate control across all voltage polarities.
- High thermal stability with a maximum junction temperature rating of 125°C.
- Robust surge handling capacity suitable for inductive load switching.
Applications
- Solid-state relays
- Motor speed control circuits
- Lighting dimmer switches
Procurement Notes
This component is listed as End-of-Life (EOL) by the manufacturer. Verification of availability requires checking authorized distributors for remaining stock or obsolete inventory. Designers should confirm the authenticity of any sourced units due to the discontinuation status. Alternative sourcing strategies must account for potential supply chain constraints associated with discontinued parts.
Selection Notes
Select this part when a 4A RMS current rating and 600V blocking voltage are required in a TO-202 package. Ensure the application circuit provides sufficient gate drive current exceeding 3mA for reliable turn-on. Verify that the peak transient voltages in the system remain below the 600V VDRM limit. Consider the thermal management requirements given the 125°C maximum operating temperature.
Part Context
The Z0402MF 1AA2 belongs to the Z04 series of triacs from STMicroelectronics. This series includes variants such as the Z0409MF 1AA2 and Z0402MH, which share similar electrical characteristics but may differ in packaging or specific manufacturing batches. The MF suffix typically denotes the specific pin configuration and internal structure standard for this product line.
Replacement Considerations
Direct replacements include other STMicroelectronics triacs from the Z04 series with matching 4A/600V ratings. Cross-manufacturer equivalents must be verified for identical pinout compatibility and electrical parameters. Due to the EOL status, substitute components should be evaluated for long-term availability and performance equivalence in the target application.
