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P0111MN 5AA4 is listed in the Scrs range at ChipApex. The manufacturer field lists STMicroelectronics. Its product description is SCR 600V 800MA SOT223. Review the specifications below when checking this part for your BOM.
The P0111MN 5AA4 is a sensitive high immunity silicon controlled rectifier (SCR) manufactured by STMicroelectronics. It features an RMS on-state current of 0.8 A and offers voltage ratings of 400 V or 600 V. The device utilizes a SOT-223 surface-mount package with a tape and reel 7-inch packing mode. Electrical characteristics include a gate trigger current range of 4 µA to 25 µA, a maximum gate trigger voltage of 0.8 V, and a holding current maximum of 5 mA. It operates within a junction temperature range of -40 °C to +125 °C.
Verify the specific voltage rating required for the application, as the series supports both 400 V and 600 V options. Confirm that the SOT-223 package dimensions align with the target PCB footprint. Ensure the design accommodates the specified thermal resistance values for the chosen mounting conditions. Check compliance requirements against ECOPACK specifications if environmental standards are mandated.
Select this component when the circuit requires low gate drive current to activate the SCR. Consider the 600 V rating if higher blocking voltage is necessary compared to the 400 V variant. Evaluate the thermal management strategy based on the junction-to-ambient resistance provided for the SOT-223 package. Ensure the dV/dt immunity meets the transient voltage expectations of the load circuit.
This part belongs to the P011xx series of sensitive SCRs designed for robust performance in control circuits. The series includes variants with different sensitivity levels and voltage ratings, packaged in TO-92 or SOT-223 formats. The P0111MN 5AA4 specifically denotes the 600 V version in the SOT-223 surface-mount configuration.
P0111DN 5AA4 serves as a direct substitute within the same series offering identical electrical characteristics and packaging.
Explore related parts through Thyristors, Discrete Semiconductor Products, all product categories, ChipApex homepage.

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