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The PDTC144WMB,315 is a PNP resistor-equipped transistor (RET) manufactured by Nexperia. It integrates a single PNP bipolar junction transistor with built-in bias resistors in a compact DFN1006-3 (SOT883) surface-mount package. The device features a typical base resistor (R1) of 47 kOhms and an emitter-base resistor (R2) of 22 kOhms, resulting in a standard resistor ratio of approximately 2.13. Key electrical ratings include a maximum collector-emitter voltage (VCEO) of 50 V and a continuous collector current (IC) of 100 mA. The component supports a maximum junction temperature of 150°C and operates within a temperature range of -65°C to +150°C.
Verify the specific suffix 'B' against official Nexperia documentation, as standard listings typically reference the 'WM' variant for this package. Confirm RoHS compliance status and ensure the ordering code matches the intended DFN1006-3 footprint. Cross-reference the manufacturer's latest datasheet to validate availability and any potential packaging changes before finalizing procurement.
Select this component when a PNP configuration with a 47k/22k resistor ratio is required in a minimal footprint. Ensure the 50V voltage rating and 100mA current capacity meet the load requirements. Verify that the thermal performance of the DFN1006-3 package is sufficient for the application's power dissipation limits.
This part belongs to the PDTC144W series of PNP resistor-equipped transistors from Nexperia. It shares identical electrical characteristics with variants such as the PDTC144WT and PDTC144WU but utilizes the distinct DFN1006-3 (SOT883) package format. This series is designed to replace discrete resistor networks in digital logic interfaces.
Direct substitutes include other PDTC144W series variants like the PDTC144WT or PDTC144WU if package compatibility allows. Alternative RETs with matching 47k/22k ratios and PNP polarity should be verified for pinout and voltage/current specifications.