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PN2904A from NS,National Semiconductor

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PN2904A

Manufacturer: NS

PNP small signal general purpose amplifier & switch .

Partnumber Manufacturer Quantity Availability
PN2904A NS 4500 In Stock

Description and Introduction

PNP small signal general purpose amplifier & switch . The **PN2904A** is a widely used PNP bipolar junction transistor (BJT) designed for general-purpose amplification and switching applications. Known for its reliability and performance, this component is commonly employed in low-power circuits, signal processing, and control systems.  

With a collector current rating of **600 mA** and a collector-emitter voltage (**V_CEO**) of **40 V**, the PN2904A offers sufficient capability for many electronic designs. Its complementary NPN counterpart, the **2N3904**, makes it a versatile choice for push-pull amplifier configurations. The transistor features a moderate current gain (**h_FE**) ranging from **100 to 300**, ensuring stable operation in various circuit conditions.  

Housed in a **TO-92** package, the PN2904A is compact and easy to integrate into breadboards or printed circuit boards (PCBs). Its low saturation voltage and fast switching speed make it suitable for both analog and digital applications. Engineers and hobbyists frequently use it in audio amplifiers, signal inverters, and driver circuits.  

When designing with the PN2904A, proper biasing and heat dissipation should be considered to maximize efficiency and longevity. Its cost-effectiveness and availability further contribute to its popularity in electronic projects. Whether for prototyping or production, the PN2904A remains a dependable choice in transistor-based designs.

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