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The PMP4201Y-QX is a dual NPN bipolar junction transistor (BJT) manufactured by Nexperia. It features a maximum collector-emitter voltage (VCEO) of 45 V and a continuous collector current (IC) of 100 mA. The device utilizes a SOT363-3 (SC-88) surface-mount package with a power dissipation rating of 300 mW. Key electrical parameters include a collector-base voltage (VCBO) of 50 V, an emitter-base voltage (VEBO) of 6 V, and a DC current gain (hFE) ranging from 200 to 400 at 2 mA. The transition frequency (fT) is 250 MHz, and the operating temperature range spans from -65°C to +150°C.
Verify the specific suffix 'QX' against official Nexperia documentation to confirm it denotes the AEC-Q101 qualified variant. Ensure the ordering part number matches the exact tape-and-reel quantity specified in the datasheet. Confirm RoHS compliance status directly with the manufacturer or authorized distributor before finalizing procurement orders.
Select this component when space-constrained designs require matched NPN pairs in a SC-88 package. The high hFE matching ratio makes it suitable for analog signal processing where gain consistency between transistors is critical. Verify that the 100 mA current limit and 300 mW power dissipation meet the thermal requirements of the target application environment.
This component belongs to Nexperia's portfolio of small-signal matched transistors designed for compact electronic systems. It serves as the NPN counterpart to the PNP/PNP PMP4501Y series. The QX suffix typically indicates automotive-grade qualification under AEC-Q101 standards, distinguishing it from standard commercial variants within the same electrical specification family.
Direct substitutes include the PMP4201V (SOT666 package) and PMP4201Y (standard commercial grade). Ensure pinout compatibility between SC-88 and alternative packages like SOT666. Verify that replacement parts maintain the required hFE matching ratio and AEC-Q101 qualification if automotive reliability is mandatory.