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Product Detailed Parameters
- Description：TRANS PREBIAS
- Series：PDTC143XQA
- Mfr：NXP USA Inc.
- Package：Bulk
- Resistors Included：R1 and R2
- Transistor Type：NPN - Pre-Biased
- Current - Collector (Ic) (Max)：100 mA
- Voltage - Collector Emitter Breakdown (Max)：50 V
- Resistor - Base (R1)：4.7 kOhms
- Resistor - Emitter Base (R2)：10 kOhms
- DC Current Gain (hFE) (Min) @ Ic, Vce：50 @ 10mA, 5V
- Vce Saturation (Max) @ Ib, Ic：100mV @ 500µA, 10mA
- Current - Collector Cutoff (Max)：1µA
- Frequency - Transition：230 MHz
- Power - Max：280 mW
- Grade：Automotive
- Qualification：AEC-Q101
- Mounting Type：Surface Mount
- Package / Case：3-XDFN Exposed Pad
- Supplier Device Package：DFN1010D-3
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Overview
The PDTC143XQA is a 50 V, 100 mA NPN Resistor-Equipped Transistor (RET) housed in a leadless DFN1010D-3 (SOT1215) package with visible solderable side pads. It integrates an NPN transistor with built-in bias resistors: R1 is typically 4.7 kΩ and R2 is typically 10 kΩ. The device features a collector-emitter voltage of 50 V, output current capability of 100 mA, and total power dissipation up to 280 mW at 25°C on a standard footprint. It operates within a junction temperature range of -55°C to +150°C and is qualified under AEC-Q101 standards.
Feature Summary
- Built-in bias resistors simplify circuit design and reduce component count
- AEC-Q101 qualified for automotive applications
- Ultra-thin package height of 0.37 mm suitable for space-constrained designs
- Visible and solderable side pads facilitate Automatic Optical Inspection (AOI)
Applications
- Digital switching loads
- Controlling IC inputs
- Cost-saving alternative for BC847/BC857 series in digital applications
Procurement Notes
Verify the manufacturer origin, as the datasheet is published by Nexperia while the input brand lists NXP USA Inc. Confirm the specific suffix 'QA' corresponds to the AEC-Q101 qualified version in the DFN1010D-3 package. Ensure compatibility with the required marking code '11 01' for production identification.
Selection Notes
Select this RET when a compact NPN switch with integrated base drive is needed. The 4.7 kΩ input resistor suits moderate drive currents. Verify that the 50 V collector-emitter rating meets the circuit's maximum voltage stress. Consider the low thermal resistance on multi-layer PCBs for high-power density designs.
Part Context
This component belongs to the PDTC143X/123J/143Z/114YQA family of 50 V NPN resistor-equipped transistors. All variants share the same DFN1010D-3 package and general electrical characteristics but differ in internal bias resistor values. The PDTC143XQA specifically pairs a 4.7 kΩ R1 with a 10 kΩ R2.
Replacement Considerations
Public confirmed substitutes include PDTA143XQA (PNP complement). Other family members like PDTC123JQA or PDTC143ZQA are pin-compatible but have different resistor ratios.
