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The DDTC123YUA-TP is a pre-biased NPN digital transistor manufactured by Micro Commercial Components (MCC). It integrates an NPN bipolar junction transistor with two internal bias resistors within a compact SOT-323 surface-mount package. The device features a collector-emitter breakdown voltage of 50 V and a continuous collector current rating of 100 mA. Internal resistance values include a base resistor (R1) of 2.2 kΩ and an emitter-base resistor (R2) of 10 kΩ. The component supports a maximum power dissipation of 200 mW and operates at frequencies up to 250 MHz, with a minimum DC current gain (hFE) of 80.
Verify the specific suffix 'TP' against the manufacturer's official documentation to confirm compliance with halogen-free or RoHS standards, as packaging variations may exist. Ensure the ordering part number matches the exact electrical specifications required for the target application before procurement.
Select this component when a single NPN switch with integrated pull-up and pull-down resistors is required. Compare the 2.2 kΩ input resistance and 10 kΩ emitter-base resistance against load requirements. Verify that the SOT-323 footprint aligns with the PCB layout constraints and thermal management needs.
This part belongs to the DTC123 series of pre-biased transistors from MCC. It serves as a discrete solution replacing multiple external components. The 'DDTC' prefix indicates a dual-resistor configuration, distinguishing it from single-resistor variants like the DTC123 series.
Publicly confirmed substitute part numbers are not available in the provided source material.