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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.
  • 2N2907A --: Classic PNP general-purpose transistor with the same 60V/600mA ratings and TO-92 package; widely available and a direct functional equivalent.
  • MMBT2907A --: SMD version of the 2907A PNP transistor with identical electrical characteristics, suitable when a surface-mount SOT-23 package can be used.
  • BC557 --: Common PNP general-purpose transistor with comparable voltage and current ratings; a practical substitute for many low-power switching and amplifier applications.
  • 2N2907A --: Classic PNP general-purpose transistor with nearly identical Vceo, Ic, and gain specs; widely available and pin-compatible TO-18 package.
  • MMBT2907A --: SMD SOT-23 version of the 2907A PNP transistor, same electrical characteristics, suitable for surface-mount replacement.
  • BC557 --: Common PNP general-purpose transistor with comparable voltage and current ratings, usable as a functional substitute in many low-power circuits.
  • 2N2907A --: Same PNP transistor family and identical electrical ratings (60V, 600mA), widely available and a direct functional replacement.
  • MMBT2907A --: SMD version of the 2907A PNP transistor with equivalent characteristics, suitable when a surface-mount package is acceptable.
  • BC557 --: General-purpose PNP transistor with comparable voltage and current ratings, usable as an alternative in many low-power switching and amplifier circuits.
  • 2N2907A --: PNP general-purpose transistor with nearly identical voltage and current ratings, widely available and a direct functional substitute.
  • MMBT2907A --: SMD PNP transistor with the same 60V/600mA class ratings, suitable for surface-mount replacement of the through-hole PN2907A.
  • BC557 --: Common PNP small-signal transistor with comparable current gain and voltage rating, usable in most low-power switching and amplifier circuits.
  • 2N2907A --: Classic PNP general-purpose transistor with nearly identical Vceo, Ic and gain 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 general-purpose transistor with comparable voltage and current ratings, usable in many low-power switching and amplifier circuits.
  • 2N2907A --: Classic PNP general-purpose transistor with the same JEDEC 2N2907A specification, widely available and a direct electrical replacement for the PN2907A.
  • MMBT2907A --: SMD PNP transistor with equivalent 60V/600mA ratings and similar gain, suitable when a surface-mount package is acceptable.
  • BC557 --: Common PNP general-purpose transistor with comparable voltage and current ratings, usable as a functional substitute in many low-power circuits.
  • 2N2907A --: Same PNP general-purpose transistor with identical 60V/600mA ratings in a TO-18 metal can, widely available and a direct functional substitute.
  • MMBT2907A --: SMD SOT-23 version of the 2907A PNP transistor with equivalent electrical characteristics, suitable when board space or assembly method allows surface mount.
  • BC557 --: Common PNP general-purpose transistor with comparable voltage and current ratings, usable as a lower-cost alternative in many non-critical switching and amplifier circuits.

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