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MAC12SN is listed in the Triacs range at ChipApex. The manufacturer field lists onsemi. Its product description is TRIAC SENS GATE 800V 12A TO220. Review the specifications below when checking this part for your BOM.
The MAC12SN is a silicon bidirectional thyristor (Triac) manufactured by onsemi, designed for full-wave AC load control in industrial and consumer applications. It features a sensitive gate architecture compatible with microcontrollers and logic circuits. The device supports a peak repetitive off-state voltage of 800 V and an on-state RMS current rating of 12 A at a case temperature of 70°C. It withstands a non-repetitive surge current of 90 A and operates within a junction temperature range of -40°C to +110°C. Packaged in a rugged TO-220AB (Case 221A), it includes glass passivated junctions for reliability.
Verify the specific ordering suffix 'N' corresponds to the 800V blocking voltage variant, as the 'M' suffix denotes 600V. Confirm RoHS compliance status via official documentation. Ensure thermal management meets the specified junction-to-case resistance requirements for the intended application environment.
Select the MAC12SN when an 800V blocking voltage is required, distinguishing it from the 600V MAC12SM variant. Evaluate the 12A RMS current rating against the maximum load requirements at the expected case temperature. Consider the sensitive gate characteristics for compatibility with existing logic-level drive circuits.
The MAC12SN belongs to the MAC12SxG family of sensitive gate Triacs produced by onsemi. This series is engineered for general-purpose AC power switching. The component utilizes a standard TO-220AB package, facilitating through-hole mounting and heat dissipation for medium-power applications.
MAC12SM: Identical package and current ratings but rated for 600V instead of 800V. Verify voltage requirements before substitution.
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