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PN2905A from NS,National Semiconductor

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PN2905A

Manufacturer: NS

PNP small signal general purpose amplifier & switch .

Partnumber Manufacturer Quantity Availability
PN2905A NS 3645 In Stock

Description and Introduction

PNP small signal general purpose amplifier & switch . **Introduction to the PN2905A Transistor**  

The PN2905A is a widely used PNP bipolar junction transistor (BJT) designed for general-purpose amplification and switching applications. Known for its reliability and performance, this transistor is commonly employed in low-power circuits, signal processing, and driver stages.  

With a collector current rating of up to 600 mA and a collector-emitter voltage (VCE) of 60 V, the PN2905A is suitable for a variety of electronic designs. Its moderate gain (hFE) range ensures stable operation in both linear and switching configurations. The device is housed in a TO-92 package, making it compact and easy to integrate into circuit boards.  

Key features include low saturation voltage and fast switching speeds, enhancing efficiency in switching applications. Additionally, the PN2905A is often paired with its NPN counterpart, the 2N2222 or PN2222A, in complementary amplifier stages.  

Engineers and hobbyists favor the PN2905A for its cost-effectiveness and versatility in consumer electronics, audio amplifiers, and power management circuits. Proper heat dissipation and current limiting should be considered to ensure optimal performance and longevity.  

Overall, the PN2905A remains a fundamental component in modern electronics, valued for its simplicity and effectiveness in diverse circuit designs.

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