2N3055

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2N3055

TRANS NPN 70V 15A TO-3

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  • Mfr. Partie #2N3055
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  • En stock6290

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Spécifications

Part Status Active
Base Product Number 2N3055
Transistor Type NPN
Current - Collector (Ic) (Max) 15 A
Voltage - Collector Emitter Breakdown (Max) 70 V
Vce Saturation (Max) @ Ib, Ic 2V @ 3.3A, 10A
Current - Collector Cutoff (Max) 1mA
DC Current Gain (hFE) (Min) @ Ic, Vce 20 @ 4A, 4V
Power - Max 6 W
Operating Temperature -65°C ~ 200°C (TJ)
Mounting Type Through Hole
Package TO-204AA, TO-3
Supplier Device Package TO-3
Packaging Bulk

Vue d'ensemble

Description

The 2N3055 is a widely used NPN power transistor, originally developed in the 1960s by RCA. It is known for its durability and high power-handling capability, making it a popular choice in various applications, including audio amplifiers, power regulators, and motor drivers. The transistor can handle a maximum collector current of 15A and a collector-emitter voltage of up to 60V, with a power dissipation rating of 115W when adequately heat-sinked.
With a β (current gain) typically ranging from 20 to 70, the 2N3055 is ideal for high-power applications where efficiency and reliability are crucial. Its robust construction allows it to operate in challenging environments, and it can be mounted on heat sinks due to its thermal characteristics.
The 2N3055 is often used in complementary push-pull amplifier configurations and is a staple in both hobbyist and professional electronic projects. Despite newer alternatives, it remains a go-to component for many designers due to its proven performance and availability.

Features

The 2N3055 is a high-power NPN bipolar junction transistor (BJT) widely used in various electronic applications. Key features include:
1. Power Rating: Capable of handling a maximum collector current (Ic) of 15 A and a maximum collector-emitter voltage (Vce) of 60 V, making it suitable for high-power applications.

2. Gain: Offers a DC current gain (hFE) ranging from 20 to 70, providing sufficient amplification for most applications.
3. Thermal Stability: Designed with a low thermal resistance, allowing for efficient heat dissipation and performance stability under varying temperatures.
4. Package: Typically available in a metal can package (TO-3), enhancing heat dissipation.
5. Applications: Commonly used in power amplifiers, voltage regulation, and as a driving transistor in power supply circuits.
6. Frequency Response: While not suited for high-frequency applications, it operates well in audio and switching applications.
Overall, the 2N3055 is a robust choice for power electronics, recognized for its reliability and performance in various circuits.

Package

The 2N3055 is packaged in a TO-3 metal can type enclosure, which provides good thermal performance and durability. This package features three terminals for connection and is designed for high power applications, allowing for efficient heat dissipation.

Pinout

The 2N3055 is a popular NPN power transistor typically housed in a TO-3 metal can package. It features three pins:
1. Collector (C) - This is the main current-carrying terminal. It collects the current from the load.
2. Base (B) - This terminal controls the transistor's operation. A small input current to the base allows a larger current to flow from collector to emitter.
3. Emitter (E) - This terminal emits the current to the output load.
In summary, the 2N3055 has three pins: Collector, Base, and Emitter, facilitating its role in amplifying and switching applications in power electronics.

Manufacturer

The 2N3055 is a power transistor originally manufactured by Motorola, which is now part of NXP Semiconductors. Motorola was a major American telecommunications company known for its role in the development of semiconductors, electronics, and communications technology. The 2N3055, introduced in the 1960s, is widely used in audio amplifiers and power supply applications due to its robustness and ability to handle high currents and voltages. Today, various companies produce compatible versions or equivalents of the 2N3055, but its legacy remains tied to the original manufacturer, Motorola, which contributed significantly to the electronics industry and semiconductor technology.

Application

The 2N3055 is a power transistor commonly used in audio amplifiers, power supplies, and motor control applications. It can also be found in linear and switching regulators, high-speed switching applications, and as output devices in various electronic circuits. Its robustness and ability to handle high current and voltage make it suitable for industrial and consumer electronics.

Equivalent

Equivalent products to the 2N3055 transistor include the MJ2955, TIP3055, BD139, and MJE2955. These transistors are often used interchangeably in similar applications, such as power amplifiers and voltage regulators, due to their comparable specifications. Always check the datasheet for specific characteristics and compatibility in your circuit.

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