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PDTC143XT from NXP,NXP Semiconductors

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PDTC143XT

Manufacturer: NXP

NPN resistor-equipped transistors; R1 = 4.7 k惟, R2 = 10 k惟

Partnumber Manufacturer Quantity Availability
PDTC143XT NXP 3000 In Stock

Description and Introduction

NPN resistor-equipped transistors; R1 = 4.7 k惟, R2 = 10 k惟 The **PDTC143XT** is a versatile **NPN resistor-equipped transistor (RET)** designed for switching and amplification applications in electronic circuits. This compact surface-mount device integrates a bias resistor network, simplifying circuit design by reducing external component count.  

Featuring a built-in **10 kΩ base resistor** and a **47 kΩ base-emitter resistor**, the PDTC143XT ensures stable operation in low-power digital and analog circuits. Its **50 V collector-emitter voltage (VCEO)** and **100 mA continuous collector current (IC)** make it suitable for signal conditioning, logic level shifting, and driving small loads such as LEDs or relays.  

The transistor is housed in a **SOT-23 (SC-59) package**, offering space efficiency for modern PCB layouts. Its **low saturation voltage** enhances energy efficiency, while the integrated resistors improve noise immunity and reduce board complexity.  

Common applications include **interface circuits, sensor modules, and consumer electronics**, where reliability and compactness are essential. Engineers favor the PDTC143XT for its ease of integration and consistent performance across industrial and commercial environments.  

With its balanced specifications and robust design, the PDTC143XT remains a practical choice for designers seeking a cost-effective, space-saving transistor solution.

Application Scenarios & Design Considerations

NPN resistor-equipped transistors; R1 = 4.7 k惟, R2 = 10 k惟

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