What are the key specifications of the 2N3904?

It features a VCEO of 40V, a continuous collector current of 200mA, and a DC current gain (hFE) between 100 and 300 at 10mA.

What is the 2N3904 used for?

It is primarily used in general-purpose amplifier circuits and low-power switching applications.

What should engineers review before using the 2N3904?

Engineers should verify the thermal dissipation limits (625mW) and ensure the operating voltage stays within the 40V VCEO rating.

What should sourcing teams check before buying 2N3904?

Check lifecycle (Active), compliance data, distributor availability, and approved-source coverage. Current sourcing signal: low; readiness: easy.

What is the pinout of 2N3904?

Use the 2N3904 datasheet for the official pinout diagram and pin names. In PartGenie, ask Datasheet AI about 2N3904 pinout to locate pins, power rails, and interface signals before layout.

2N3904 Datasheet, Specs, Alternatives & ECAD | JSMSEMI

AI summary

The 2N3904 is a standard, widely-used NPN bipolar junction transistor designed for general-purpose amplification and switching tasks.

Best for

General purpose amplification
Low-power switching

Avoid if

High-power or high-voltage applications

Check before use

Thermal management
Pinout configuration

Key specifications

VCEO: 40 V
IC: 200 mA
hFE: 100-300
fT: 300 MHz

Compliance & Environment

RoHS: -
REACH: -
MSL: -
ECCN: -
HTSUS: -

Application

General Purpose

Datasheet

afadd0f2b71506f4eb095a9f92bbf999_2N3904.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for 2N3904: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol

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PCB Footprint

Land pattern for PCB layout

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3D Model

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Where to Buy

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Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

The 2N3904 is a silicon NPN transistor in a TO-92 package, commonly used for general-purpose signal amplification and switching.

AI summary

Best for

Avoid if

Check before use

Key specifications

Compliance & Environment

Application

Datasheet

CAD Models

Where to Buy

Alternative components

Design and risk insights

Questions & answers

What is the 2N3904?+×

What are the key specifications of the 2N3904?+×

What is the 2N3904 used for?+×

What should engineers review before using the 2N3904?+×

What should sourcing teams check before buying 2N3904?+×

What is the pinout of 2N3904?+×