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PDTA123EK from PHILIPS

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PDTA123EK

Manufacturer: PHILIPS, NXP

PDTA123E series; PNP resistor-equipped transistors; R1 = 2.2 kOhm, R2 = 2.2 kOhm

Partnumber Manufacturer Quantity Availability
PDTA123EK PHILIPS, NXP 87000 In Stock

Description and Introduction

PDTA123E series; PNP resistor-equipped transistors; R1 = 2.2 kOhm, R2 = 2.2 kOhm The **PDTA123EK** is a versatile NPN bipolar junction transistor (BJT) designed for general-purpose amplification and switching applications. Housed in a compact SOT-23 surface-mount package, this component is well-suited for space-constrained designs in consumer electronics, industrial controls, and communication systems.  

With a maximum collector current of **100mA** and a collector-emitter voltage rating of **50V**, the PDTA123EK offers reliable performance in low-power circuits. Its high current gain (hFE) of **100 to 400** ensures efficient signal amplification, while a low saturation voltage enhances energy efficiency in switching operations.  

The transistor features an integrated resistor between the base and emitter, simplifying circuit design by reducing external component count. This built-in biasing network makes the PDTA123EK particularly useful in digital logic interfaces and driver stages.  

Key specifications include a power dissipation of **200mW** and an operating temperature range of **-55°C to +150°C**, ensuring stability across various environmental conditions. Engineers favor this component for its consistency, compact footprint, and ease of integration into automated assembly processes.  

Whether used in signal conditioning, load switching, or as a buffer, the PDTA123EK provides a cost-effective and reliable solution for modern electronic designs.

Application Scenarios & Design Considerations

PDTA123E series; PNP resistor-equipped transistors; R1 = 2.2 kOhm, R2 = 2.2 kOhm

Alternative Part Number

  • DDTA123ECA-7-F --: PNP digital transistor with built-in 2.2k/2.2k bias resistors, same SOT-23 package and electrical function as the original.
  • MMUN2113LT1G --: PNP bias resistor transistor with 2.2k/2.2k resistors in SOT-23, a direct functional equivalent widely available.
  • RN2113MFV --: PNP digital transistor with 2.2k/2.2k bias resistors, suitable SOT-23 replacement with comparable ratings.
  • DDTA123ECA-7-F --: PNP digital transistor with 2.2k/2.2k bias resistors, functionally equivalent to PDTA123EK and widely available.
  • MMUN2113LT1G --: PNP digital transistor with built-in bias resistors, similar 2.2k/2.2k configuration and SOT-23 package, good drop-in candidate.
  • RN2302 --: PNP transistor with built-in 2.2k/2.2k bias resistors in SOT-23, suitable alternative for switching applications.

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