What is 2N3055?
It has a maximum collector current rating of 15 amperes and a maximum collector-emitter voltage rating of 60 volts. It is designed for use in medium-power linear and switching applications, and has a low collector-emitter saturation voltage and a high current gain.
The 2N3055 is widely used in audio power amplifiers, where it is often paired with a complementary PNP transistor such as the MJ2955. It is also used in power supplies, voltage regulators, and other applications where high current and voltage ratings are required.
Part Number: 2N3055
Function: 15A, 60V, 115W, NPN Silicon Power Transistor
Package: TO−204AA (TO−3) Type
Manufacturer: ON Semiconductor
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Description
Complementary silicon power transistors are designed for general−purpose switching and amplifier applications.
Advantages Vs Disadvantages
Advantages:
1. High current rating of 15 amperes allows it to handle high-power applications
2. High current gain allows for efficient power amplification
3. Low collector-emitter saturation voltage reduces power dissipation
4. Wide availability and low cost
5. Robust and reliable design
Disadvantages:
1. Limited maximum voltage rating of 60 volts
2. Low switching speed limits its use in high-frequency applications
3. Requires a heatsink to dissipate heat generated during operation
4. Large physical size compared to newer power transistors
Pinouts
Features
1. DC Current Gain − hFE= 20 -70 @ IC= 4 Adc
2. Collector−Emitter Saturation Voltage : VCE(sat)= 1.1 Vdc (Max) @ IC= 4 Adc
3. Excellent Safe Operating Area
4. Pb−Free Package is Available
MAXIMUM RATINGS
1. Collector-Emitter Voltage : VCEO = 60 Vdc
2. Collector-Emitter Voltage : VCER = 70 Vdc
3. Collector-Base Voltage : VCB = 100 Vdc
4. Emitter-Base Voltage : VEB = 7 Vdc
5. Collector Current-Continuous : IC = 15 Adc
6. Base Current : IB = 7 Adc
7. Total Power Dissipation @ TC = 25°C : PD = 115 W
Reference Site: https://en.wikipedia.org/wiki/2N3055
Similar Parts
1. MJ2955: Complementary PNP transistor
2. TIP3055: Similar NPN power transistor with higher maximum voltage rating
3. MJE3055: Higher current rating and higher maximum voltage rating than this transistor
2N3055 Datasheet PDF
Other data sheets are available within the file: 2N3055G, 2N3055H, MJ2955 ( PNP )
