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The PMBT3906YS-QX is a PNP/PNP general-purpose double transistor manufactured by Nexperia USA Inc. It is housed in a SOT363 (SC-88) very small Surface-Mounted Device plastic package. The device features a collector-emitter voltage of 40 V and a maximum collector current of 200 mA. It is qualified to the AEC-Q101 standard for automotive applications. The component supports a maximum operating junction temperature of 150 °C and includes an NPN/NPN complement, the PMBT3904YS.
Verify the specific suffix against official Nexperia documentation to confirm exact marking codes and tape-and-reel specifications. Ensure the selected distributor provides traceability for AEC-Q101 qualified components. Confirm that the ordering information matches the required automotive grade standards before finalizing procurement.
Select this component when space-constrained designs require dual PNP transistors with automotive qualification. Compare against the single-transistor PMBT3906M or other packages like SOT666 if lead geometry differs. Verify compatibility with the intended NPN/NPN complement PMBT3904YS for matched pair requirements in differential or push-pull configurations.
This part belongs to the PMBT3906 family of general-purpose switching transistors. It serves as the PNP/PNP variant within the series, complementing the PMBT3904YS (NPN/NPN) and PMBT3946YPN (NPN/PNP). The QX suffix typically denotes specific packaging or marking variations within the Nexperia portfolio.
Direct replacements include the PMBT3906VS in the SOT666 package or the PMBT3906M in the SOT883 package. Verify pinout compatibility and thermal characteristics when substituting between different SMD packages.