PDTA143XQCZ

Overview

The PDTA143XQC is a PNP Resistor-Equipped Transistor (RET) from Nexperia, housed in an ultra-small DFN1412D-3 (SOT8009) leadless package with side-wettable flanks. It integrates bias resistors R1 and R2 to simplify circuit design. Key electrical parameters include a collector-emitter voltage of -50 V, an output current of -100 mA, and a total power dissipation of 360 mW at 25 °C on a 35 µm copper PCB. The typical DC current gain is 50 at -10 mA, with a transition frequency of 180 MHz. Built-in resistors are typically 4.7 kΩ for R1 and 10 kΩ for R2.

Feature Summary

• Integrates built-in bias resistors to reduce component count and assembly costs
• Ultra-small DFN1412D-3 package with side-wettable flanks for improved solder joint inspection
• Low profile height of 0.5 mm suitable for space-constrained designs

Applications

• Digital applications
• Controlling IC inputs
• Switching loads

Procurement Notes

Verify the specific ordering code against the manufacturer's official database to ensure availability and correct revision status. Confirm that the DFN1412D-3 footprint matches the target PCB layout, paying attention to the side-wettable flank requirements for reliable reflow soldering. Check for any automotive qualification markings if the application requires AEC-Q101 compliance, as this specific part number is not explicitly marked as qualified in the provided data sheet.

Selection Notes

Select the PDTA143XQC when a compact PNP switching solution with integrated base biasing is required. The 4.7 kΩ input resistor and 10 kΩ emitter-base resistor provide a specific bias ratio suitable for standard logic interface levels. Consider the thermal resistance values when designing for high ambient temperatures or limited copper area, as the small package size impacts heat dissipation capabilities compared to larger packages.

Part Context

This component belongs to the PDTA143X/123J/143Z/114Y/124XQC series, which shares the same DFN1412D-3 package but varies in internal resistor values. The NPN complement for this device is the PDTC143XQC. The series is designed to replace discrete transistor and resistor combinations, offering a cost-effective alternative to older series like BC857 in digital switching applications.

Replacement Considerations

Direct pin-compatible replacements within the same series include PDTA123JQC, PDTA143ZQC, PDTA114YQC, and PDTA124XQC, though their internal resistor ratios differ. For NPN functionality, the PDTC143XQC serves as the complementary device. Ensure any substitute maintains the required R1/R2 ratio for the specific biasing needs of the circuit.