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The PDTA124TU,115 is a single NPN Resistor-Equipped Transistor (RET) manufactured by Nexperia. It integrates an NPN bipolar junction transistor with built-in bias resistors in a compact SOT-323 (SC-70) surface-mount package. Key electrical parameters include a collector-emitter breakdown voltage of 50 V and a continuous collector current of 100 mA. The device features typical base resistor (R1) and emitter resistor (R2) values of 22 kΩ each, resulting in a standard resistance ratio of 1. It operates within a temperature range of -65°C to +150°C and complies with RoHS standards.
Verify the specific suffix TU against official Nexperia documentation to confirm the exact tape-and-reel packaging configuration and manufacturing lot details. Ensure compatibility with automated pick-and-place equipment specifications for the SOT-323 footprint. Cross-reference the manufacturer part number with authorized distributor catalogs to confirm current production status and lead time estimates prior to ordering.
Select this component when a single NPN switching element with integrated biasing is required to reduce board space and assembly steps. Compare the 22 kΩ internal resistance values against external resistor alternatives to determine if the fixed ratio meets the specific drive requirements. Verify that the 50 V voltage rating and 100 mA current capacity exceed the maximum operational loads in the target application circuit.
This part belongs to the PDTA/PDTC series of Resistor-Equipped Transistors from Nexperia. These components are designed to replace discrete transistor-resistor combinations, simplifying schematic design and reducing component count. The SOT-323 package is widely used in mobile and handheld devices where minimal footprint is critical.
Direct functional equivalents include PDTC124EU and PDTC124TT, which share identical electrical characteristics and pinout configurations. Verify package compatibility and resistor tolerance specifications before substituting.