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PDTC144WK

Manufacturer: Philips, NXP

PDTC144W series; NPN resistor-equipped transistors; R1 = 47 kOhm, R2 = 22 kOhm

Partnumber Manufacturer Quantity Availability
PDTC144WK Philips, NXP 462873 In Stock

Description and Introduction

PDTC144W series; NPN resistor-equipped transistors; R1 = 47 kOhm, R2 = 22 kOhm # Introduction to the PDTC144WK Electronic Component  

The PDTC144WK is a versatile digital transistor designed for switching and amplification applications in electronic circuits. Combining a resistor-equipped bipolar transistor (RBT) in a compact SOT-323 package, this component simplifies circuit design by integrating bias resistors, reducing external component count and board space requirements.  

With an NPN configuration, the PDTC144WK features built-in base and emitter resistors, ensuring stable operation while minimizing power consumption. It is commonly used in low-power switching applications, signal amplification, and interface circuits in consumer electronics, industrial controls, and communication devices.  

Key specifications include a collector current (IC) rating of 100 mA, a collector-emitter voltage (VCEO) of 50 V, and a typical DC current gain (hFE) ranging from 100 to 400. The integrated resistors provide consistent performance, making the component reliable for automated assembly processes.  

Due to its small footprint and efficiency, the PDTC144WK is ideal for space-constrained designs where simplicity and reliability are essential. Engineers often select this component for its ease of integration and cost-effective performance in digital and analog circuits.  

For detailed application guidelines, always refer to the manufacturer’s datasheet to ensure proper usage within specified operating conditions.

Application Scenarios & Design Considerations

PDTC144W series; NPN resistor-equipped transistors; R1 = 47 kOhm, R2 = 22 kOhm

Alternative Part Number

  • DDTC144WKA-7-F --: NPN digital transistor with built-in 47k/10k bias resistors, same SOT-23 package and equivalent switching function.
  • MMUN2214LT1G --: NPN bias resistor transistor with comparable 47k/10k resistor network, SOT-23 package, suitable direct substitute.
  • RN142S --: NPN digital transistor with integrated bias resistors in SOT-23, functionally similar for switching applications.
  • DTC144WK --: Same NPN digital transistor with built-in 47k/47k bias resistors, direct functional equivalent in a different series naming.
  • MMUN2214LT1G --: NPN bias resistor transistor with 10k/47k network, widely available SOT-23 alternative suitable for similar switching applications.
  • KRC104S --: NPN digital transistor with integrated bias resistors in SOT-23, commonly used as a cross-reference for DTC144 series parts.
  • DTC144WK --: Digital transistor with built-in bias resistors (NPN, 47k/47k), functionally equivalent to PDTC144WK and widely available.
  • MMUN2214LT1G --: NPN digital transistor with integrated bias resistors in SOT-23, a common cross-reference for the PDTC144 series.
  • RN142S --: NPN digital transistor with built-in bias resistors in SOT-23, suitable as a functional replacement for PDTC144WK.

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