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PDTC144VK from PHILIPS

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PDTC144VK

Manufacturer: PHILIPS, NXP

PDTC144V series; NPN resistor-equipped transistors; R1 = 47 kOhm, R2 = 10 kOhm

Partnumber Manufacturer Quantity Availability
PDTC144VK PHILIPS, NXP 63000 In Stock

Description and Introduction

PDTC144V series; NPN resistor-equipped transistors; R1 = 47 kOhm, R2 = 10 kOhm The PDTC144VK is a versatile NPN resistor-equipped transistor (RET) designed for general-purpose switching and amplification applications. This compact surface-mount device integrates a bias resistor network, simplifying circuit design by reducing external component count. With a built-in 10 kΩ base resistor and 10 kΩ base-emitter resistor, it ensures stable operation while minimizing board space requirements.  

Featuring a maximum collector current of 100 mA and a collector-emitter voltage of 50 V, the PDTC144VK is well-suited for low-power digital and analog circuits. Its small SOT-23 package makes it ideal for space-constrained designs, such as portable electronics, sensors, and signal conditioning modules. The integrated resistors enhance noise immunity and improve switching performance, making it a reliable choice for interfacing microcontrollers or logic circuits with higher-voltage loads.  

Key specifications include a low saturation voltage, ensuring efficient switching, and a high current gain (hFE) for effective signal amplification. The PDTC144VK is RoHS-compliant, meeting modern environmental standards. Engineers and designers appreciate its ease of use, consistent performance, and cost-effectiveness in applications requiring compact, reliable transistor solutions. Whether used in consumer electronics, industrial controls, or automotive systems, this component delivers dependable functionality in a minimal footprint.

Application Scenarios & Design Considerations

PDTC144V series; NPN resistor-equipped transistors; R1 = 47 kOhm, R2 = 10 kOhm

Alternative Part Number

  • DTC144VKA --: NPN digital transistor with built-in 47k/10k bias resistors, same 144V configuration and SOT-23 package, direct functional replacement.
  • MMUN2214LT1G --: NPN bias resistor transistor with equivalent 47k/10k resistor network in SOT-23, widely available and electrically compatible.
  • KRC104S --: NPN digital transistor with matching 47k/10k bias resistors and SOT-23 footprint, suitable as a drop-in substitute.
  • DTC144VKA --: NPN digital transistor with built-in 47k/10k bias resistors, functionally equivalent to PDTC144VK and widely available.
  • MMUN2214LT1G --: NPN bias resistor transistor with similar 47k/10k resistor network, suitable drop-in replacement in most switching circuits.
  • KRC104S --: NPN digital transistor with integrated bias resistors matching the 47k/10k configuration, good cost-effective alternative.

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