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The MPQ7051 is a bipolar junction transistor (BJT) array manufactured by onsemi. It integrates four discrete transistors within a single package, specifically configured as two NPN and two PNP complementary pairs. The device supports a maximum collector-emitter voltage of 150V and handles a continuous collector current of 500mA. It features a transition frequency of 50MHz and a power dissipation rating of 750mW. The component is designed for through-hole mounting in a 14-pin PDIP package.
Verify the specific manufacturer origin, as the MPQ7051 designation has been associated with both Fairchild Semiconductor and onsemi following their merger. Ensure the datasheet corresponds to the 14-PDIP through-hole package variant rather than other potential form factors. Confirm that the 150V/500mA ratings align with your circuit requirements before finalizing procurement.
Select this component when space efficiency is required for complementary BJT pairs. The 14-PDIP package suits prototyping and legacy through-hole designs. Ensure thermal management accommodates the 750mW dissipation limit. Verify that the 50MHz frequency response meets the speed requirements of the target application.
This part belongs to the family of dual or quad bipolar transistor arrays. It serves as a compact alternative to using four separate discrete transistors, reducing board space and assembly complexity. The complementary NPN/PNP configuration is standard for driving loads in both directions without external level shifting.
Public confirmed substitute part numbers are not available in the provided documentation.