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The Z0409MF 1AA2 is a 4 A triac from STMicroelectronics, rated for 600 V repetitive peak off-state voltage. It features a maximum holding current of 10 mA and a gate trigger current of 10 mA. The device operates within a junction temperature range of -40 °C to +125 °C. It utilizes a TO-202 through-hole package with dimensions of 10.1 mm length, 4.5 mm width, and 7.3 mm height. The component supports an RMS on-state current of 4 A and can handle a non-repetitive peak on-state current of 21 A.
Verify the specific suffix '1AA2' against official STMicroelectronics documentation to confirm exact manufacturing lot codes and compliance status. Ensure the procurement channel provides valid traceability for the TO-202 package variant. Cross-reference the part number with current ECOPACK2 standards to confirm halogen-free and lead-free plating specifications before finalizing orders.
Select this component when a 4 A RMS current rating and 600 V blocking voltage are required for through-hole mounting. The TO-202 package offers higher thermal dissipation compared to surface-mount alternatives like DPAK. Verify that the 10 mA gate trigger current aligns with the driving circuit capabilities for the intended application environment.
This triac belongs to the Z04 series designed for general-purpose AC switching applications. It serves as a robust alternative to surface-mount variants by providing a larger thermal mass through its TO-202 housing. The device is engineered for durability in high-vibration environments typical of industrial machinery and consumer electronics.
The Z0409MH 1AA2 is a confirmed substitute offering identical electrical ratings but housed in an IPAK through-hole package. Both devices share the same 4 A current and 600 V voltage specifications.