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PN2907A from NSC,National Semiconductor

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PN2907A

Manufacturer: NSC, PH, National, FAIRCHILD, NS/FSC, FSC, NS

Leaded Small Signal Transistor General Purpose

Partnumber Manufacturer Quantity Availability
PN2907A NSC, PH, National, FAIRCHILD, NS/FSC, FSC, NS 199808 In Stock

Description and Introduction

Leaded Small Signal Transistor General Purpose The **PN2907A** is a widely used PNP bipolar junction transistor (BJT) designed for general-purpose amplification and switching applications. Known for its reliability and cost-effectiveness, this component is commonly employed in low-power circuits, signal processing, and driver stages.  

With a collector current rating of **600 mA** and a collector-emitter voltage (**VCE**) of **60 V**, the PN2907A is suitable for a variety of electronic designs. Its complementary NPN counterpart, the **2N2222A**, makes it a versatile choice for push-pull configurations. The transistor features a moderate current gain (**hFE**) ranging from **50 to 300**, ensuring stable performance across different operating conditions.  

Encased in a **TO-92** package, the PN2907A is compact and easy to integrate into circuit boards. Its low saturation voltage and fast switching speeds enhance efficiency in switching applications. Engineers and hobbyists frequently use it in power management, audio amplifiers, and signal inversion circuits.  

When designing with the PN2907A, proper biasing and heat dissipation should be considered to maximize performance and longevity. Its robust construction and consistent electrical characteristics make it a dependable choice for both prototyping and production environments.  

For detailed specifications, always refer to the manufacturer's datasheet to ensure proper application within circuit parameters.

Application Scenarios & Design Considerations

Leaded Small Signal Transistor General Purpose

Alternative Part Number

  • 2N2907A --: PNP general-purpose transistor with nearly identical Vceo, Ic, and hFE specs; widely available and pin-compatible.
  • MMBT2907A --: SMD version of the 2907A PNP transistor with equivalent electrical characteristics, suitable for surface-mount replacement.
  • BC557 --: Common PNP transistor with comparable voltage and current ratings; acceptable substitute for many low-power switching and amplifier applications.

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