

NPN and PNP Transistors – 2N3904, 2N3906, 2N4403, 2N2907, 2N4401, 2N2222, PN2222, 2N5551, 2N5401
$1.03 – $1.52
2n3904 2n3906 2n4403 2n2907 2n4401 2n2222 Pn2222 2n5551 2n5401 General Purpose Transistor
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Product Information
2N3904 (NPN)
General-purpose NPN transistor with a maximum current of around 200mA and a voltage rating of 40V. Often used for amplification and switching applications.
2N3906 (PNP)
Complementary to the 2N3904, this is a general-purpose PNP transistor with similar specifications.
2N4403 (PNP)
Medium-power PNP transistor with a maximum current of about 600mA and a voltage rating of 40V. Commonly used in audio amplifier circuits.
2N2907 (PNP)
General-purpose PNP transistor with a maximum current of around 600mA and a voltage rating of 40V. Used in a variety of applications.
2N4401 (NPN)
Medium-power NPN transistor, complementary to the 2N4403. Similar specifications, commonly used in audio amplifier circuits.
2N2222 (NPN)
Versatile NPN transistor with a maximum current of around 800mA and a voltage rating of 30V. Widely used in various electronic circuits.
PN2222 (NPN)
Similar to 2N2222, a general-purpose NPN transistor with comparable specifications.
2N5551 (NPN)
Higher current NPN transistor with a maximum current of around 600mA and a voltage rating of 160V. Suitable for various amplification applications.
2N5401 (PNP)
Higher current PNP transistor, complementary to 2N5551. Similar specifications, commonly used in amplifier circuits.
Choosing the Right Transistor
The best transistor for your project depends on several factors, including:
- Application: Are you amplifying audio, switching power, driving a motor, or something else?
- Voltage and Current Requirements: How much voltage and current does your circuit need to handle?
- Gain: How much signal amplification do you need?
- Package Type: Do you need a specific package type for space constraints or heat dissipation?
By considering these factors and comparing the specifications of each transistor, you can choose the most suitable option for your project. Additionally, remember that datasheets for these transistors are readily available online, offering detailed specifications and application guidance.
We hope this helps! If you have any other questions about these transistors, or electronics in general, please feel free to contact us.
Appearance



| Length | 2N2222(100 pieces), 2N2907(100 pieces), 2N3904(100 pieces), 2N3906(100 pieces), 2N4401(100 pieces), 2N4403(100 pieces), 2N5401(100 pieces), 2N5551(100 pieces), PN2222(100 pieces) |
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