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The PDTD143EU-QF is a single NPN resistor-equipped transistor (RET) manufactured by Nexperia. It features an integrated base resistor of 4.7 kOhms and an emitter resistor of 10 kOhms, providing a typical resistance ratio of 1. The device supports a collector-emitter voltage (VCEO) of 50 V and a continuous collector current of 100 mA. It operates within a temperature range of -65 °C to +150 °C and is housed in the SOT-323-3 surface-mount package.
Verify the specific suffix 'QF' against official Nexperia documentation to confirm it denotes automotive qualification or specific tape-and-reel packaging variations. Ensure the ordering part number matches the exact electrical specifications required for the target application before finalizing procurement orders.
Select this component when a compact NPN solution with built-in biasing is required. Compare the 100 mA current rating and 50 V breakdown voltage against load requirements. Consider the SOT-323 footprint constraints and thermal dissipation capabilities relative to similar RET packages like SOT-23.
This part belongs to the PDTC/PDTA/PDTD series of resistor-equipped transistors from Nexperia. These devices combine bipolar junction transistors with internal resistors to replace multiple discrete components. The EU suffix typically indicates the SOT-323 package variant within this product family.
Direct substitutes include other NPN RETs with similar 50V/100mA ratings and 4.7k/10k resistor values, such as the PDTC143E series or equivalent parts from other manufacturers offering SOT-323 packaged digital transistors.