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PDTC123JU from PHILIPS

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PDTC123JU

Manufacturer: PHILIPS, NXP

PDTC123J series; NPN resistor-equipped transistors; R1 = 2.2 kOhm, R2 = 47 kOhm

Partnumber Manufacturer Quantity Availability
PDTC123JU PHILIPS, NXP 27000 In Stock

Description and Introduction

PDTC123J series; NPN resistor-equipped transistors; R1 = 2.2 kOhm, R2 = 47 kOhm The **PDTC123JU** is a versatile **NPN bipolar junction transistor (BJT)** designed for general-purpose amplification and switching applications. This surface-mount device features a compact **SOT-323** package, making it suitable for space-constrained PCB designs.  

With a **maximum collector current (Ic)** of 100 mA and a **collector-emitter voltage (Vceo)** of 50 V, the PDTC123JU offers reliable performance in low-power circuits. Its integrated **base-emitter resistor (R1 = 10 kΩ, R2 = 10 kΩ)** simplifies biasing, reducing external component count and improving circuit efficiency.  

The transistor exhibits a **DC current gain (hFE)** ranging from 100 to 400, ensuring stable signal amplification. Its fast switching characteristics make it ideal for digital logic interfaces, sensor drivers, and signal conditioning circuits. Additionally, the PDTC123JU operates effectively within a **temperature range of -55°C to +150°C**, accommodating various environmental conditions.  

Engineers favor this component for its **low saturation voltage**, which minimizes power loss in switching applications. Whether used in consumer electronics, industrial controls, or IoT devices, the PDTC123JU provides a cost-effective solution for compact, energy-efficient designs.  

For detailed specifications, always refer to the manufacturer’s datasheet to ensure compatibility with your application requirements.

Application Scenarios & Design Considerations

PDTC123J series; NPN resistor-equipped transistors; R1 = 2.2 kOhm, R2 = 47 kOhm

Alternative Part Number

  • DTC123JU --: Same NPN digital transistor with built-in 4.7k/47k bias resistors, direct functional equivalent in a different series naming.
  • MMUN2233LT1G --: NPN digital transistor with comparable bias resistor network, suitable replacement for switching and interface circuits.
  • KRC103S --: NPN digital transistor with integrated bias resistors, similar electrical characteristics and pinout for general-purpose switching.
  • DTC123JU --: Same NPN digital transistor with 4.7k base and 47k emitter resistors, direct functional equivalent in SOT-323.
  • MMUN2233LT1G --: NPN bias resistor transistor with comparable 4.7k/47k resistor values, widely available SOT-23 alternative.
  • KRC103S --: NPN digital transistor with built-in bias resistors matching the 4.7k/47k configuration, suitable drop-in replacement.

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