Complete Guide to Transistor 2N3904 with 2N3904 Data Sheet

Transistors are imperative components in cutting edge electronics, utilized for exchanging and amplification purposes. One of the first predominant transistors in electronic circuits is the 2N3904, a broadly utilized NPN bipolar crossing point transistor (BJT). This coordinate will donate a comprehensive graph of the 2N3904 transistor, tallying its pinout, details, and applications. We are going moreover look at its datasheet and clarify how to utilize it successfully in your ventures.

Transistor 2n3904 curso de electronica

Table of Contents

• What is the 2N3904 Transistor?
• 2N3904 Data Sheet
• Applications of 2N3904
• Circuit using 2N3904 to control LED
• Using 2N3904 in IC Circuits
• Purchasing the 2N3904 Transistor
• Comparing 2N3904 with Other Transistors
• Conclusion
• Commonly Asked Questions

What is the 2N3904 Transistor?

The 2N3904 may be a small-signal, low-power NPN transistor arranged for general-purpose trading and heightened. This transistor is well-known for its tall speed, making it suitable for applications in sound, RF circuits, and other low-current, low-power assignments. Its reputation stems from its reasonableness and wide availability, making it a go-to choice for pros and engineers alike.

2N3904 Pinout

To effectively cement the 2N3904 into your circuits, it's pivotal to actuate it its pinout setup. The 2N3904 pinout comprises of three terminals: the emitter (E), the base (B), and the collector (C). These pins are arranged as follows:

Understanding the 2N3904 pinout is basic when wiring the transistor in your circuit. Miswiring the pins could lead to improper operation or even damage the transistor.

2N3904 Data Sheet

The 2N3904 spec sheet contains all the vital electrical characteristics and operational limits. It's essential to refer to the datasheet before using the transistor in a new design. The spec sheet gives point by point data on parameters like greatest evaluations, warm resistance, and more, guaranteeing the proper usage of the gadget.

Specifications of 2N3904

The 2N3904 has particular characteristics that make it appropriate for different applications. The taking after key determinations are imperative when planning circuits:

Detailed Breakdown

Applications of 2N3904

The 2N3904 transistor is broadly utilized over different spaces due to its flexibility. Below are some common applications:

1. Switching Circuits

The NPN 2N3904 is an amazing choice for low-current exchanging applications. By applying a little base current, the transistor can switch bigger streams at the collector, making it reasonable for controlling little engines, transfers, or LEDs.

2. Amplification

The 2N3904 transistor is frequently utilized as an amplifier in sound and signal-processing circuits. It can open up powerless signals within the millivolt run to usable levels for advance preparing.

3. Oscillators and Timers

Given its tall recurrence reaction, the 2N3904 is utilized in RF oscillators, crystal oscillators, and other timing circuits. Its capacity to handle frequencies up to 300MHz makes it a staple in these high-speed circuits.

4. Voltage Regulators

The 2N3904 can moreover be utilized in voltage regulation circuits, guaranteeing a steady yield voltage by controlling current stream.

Circuit using 2N3904 to control LED

Base Resistor Calculation: When utilizing the 2N3904 to control an LED, you would like to restrain the base current. A 1kΩ resistor between the base and the control signal can offer assistance constrain the base current to secure levels.

Emitter Grounding: The emitter stick is associated to ground, and the collector is associated to the LED, which is encourage associated to a positive voltage source. When a control flag is connected to the base, current streams through the LED, enlightening it.

LED Circuit

This simple example demonstrates how versatile the 2N3904 is for basic switching tasks in low-power applications.

Using 2N3904 in IC Circuits

The 2N3904 ic (integrated circuit) implementation is common in IC design, where it may be embedded in logic gates, amplifiers, and switching circuits. Due to its low power consumption, the 2N3904 is ideal for use in ICs that prioritize efficiency over power.

Amplifier Circuit

The circuit could be a 2N3904 amplifier with two 2N3904 and one 2SC1815 transistors. It increases signals, fueled by a 9V supply, and yields to a speaker, perfect for low-power sound enhancement.

Switch Circuit

This circuit shows a 2N3904 transistor controlling a relay. The input signal through resistor RB switches the transistor ON/OFF, activating the relay and powering the load. A flywheel diode protects against voltage spikes from the relay.

Purchasing the 2N3904 Transistor

2N3904 DigiKey

When sourcing components, DigiKey is one of the preeminent trusted suppliers. You'll find the 2N3904 transistor recorded on 2N3904 DigiKey, along side its nitty dirty judgments and asking choices. DigiKey gives a dependable source for both little and huge orders, and their item pages incorporate datasheets and reference materials.

2N3904 Amazon

Alternatively, for hobbyists and those looking for smaller quantities, 2N3904 Amazon offers a wide selection of transistor packs. These may come in combination kits with other components, making it convenient for prototyping.

2N3904 Price

The 2N3904 price is generally low, regularly extending from many cents to a dollar per unit, depending on the source and amount requested. Bulk buys can diminish the taken a toll essentially, making this transistor an economical choice for numerous ventures.

Comparing 2N3904 with Other Transistors

Although the 2N3904 is widely used, there are alternative NPN transistors available. Below is a quick comparison with similar transistors:

For applications requiring higher power, the 2N2222 may be more reasonable. In any case, the 2N3904 remains a favorite for its adjust of taken a toll, execution, and accessibility.

Conclusion

The 2N3904 could be a flexible and broadly accessible NPN transistor reasonable for a extend of applications. From amplification to exchanging, it's a imperative component in numerous low-power circuits. By understanding its pinout, insinuating to the 2N3904 spec sheet, and sourcing it from trusted merchants like 2N3904 DigiKey and 2N3904 Amazon, you will be able profitably connect this transistor into your plans.

Whether you're working on a cutting edge wander or optimizing an existing one, the 2N3904 gives solid execution at an reasonable cost. It's no ponder this transistor may be a staple within the toolkit of numerous engineers and electronics devotees alike.

Commonly Asked Questions

What are the most employments of the 2N3904 transistor?

The 2N3904 is basically utilized for low-power flag intensification and exchanging in sound speakers, RF circuits, and Driven drivers.

How to test a 2N3904 transistor with a multimeter?

Set the multimeter to diode mode, put the positive lead on the base and negative on the emitter. A voltage drop of 0.6-0.7V ought to show up, and the invert perusing ought to be unbounded.

What is the most extreme current of the 2N3904?

The greatest collector current of the 2N3904 is 200mA. Surpassing this may harm the transistor.

What is the greatest intersection temperature of the 2N3904?

The maximum intersection temperature of the 2N3904 is 150°C. Surpassing this could cause harm.