2n3055 transistor
2n3055 specification
- It is an bipolar NPN BJT Transistor
- DC Current Gain range is 20 to 70hFE
- Collector current (IC) is 15A
- Collector to base Voltage (VCB) is 100V
- Collector to emitter voltage (VCE) (RBE = 100Ω) is 70v
- Collector to emitter voltage (VCE) (IB = 0) is 60v
- Emitter to base voltage (VEB) is 7V
- Base Current (IB) is 7A
- Transition frequency (FT) is 2.5MHz
2n3055 pinout
| Pin Number | Pin Name | Description |
|---|---|---|
| Pin Number1 | Pin NameBase | DescriptionThe base terminal triggers the device |
| Pin Number2 | Pin NameEmitter | DescriptionCurrent flow through the emitter |
| Pin Number3 | Pin NameCollector (TAB) or case | DescriptionCurrent flows through the collector |
2n3055 pinout diagram
- The pinout connection of the 2n3055 transistor is a little bit different from other transistors.
- In the 2n3055 transistor, there is only two terminals are present for the base and emitter third terminal is the body or case of the transistor.
2n3055 package
- The package used at the 2n3055 transistor is TO-3, the material used to make this package is metal.
- The heat resistance and conductivity are higher in this transistor package.
- The holes on the package are used to attach the heat sink and the package itself acts as a heat sink on the operation.
- This package makes this transistor powerful applications.
If you need the datasheet in pdf please click this link
2n3055 transistor Description
- The 2n3055 transistor is a medium power transistor device and due to this reason, they had wide applications in power electronics.
- The peak current gain on the 2n3055 transistor is 20 to 70hFE, and this is an important value at amplifier circuits.
- The maximum collector current at 2n3055 transistor is 15A, which means the maximum load current allowed on this transistor, the current indicate it is a power transistor.
- The peak base current of this transistor is 7A, the maximum allowable bias voltage on the trigger terminal.
- The power dissipation on the transistor is 115W, this particular value indicates the power dissipation at this transistor device.
- The transition frequency on this transistor is 2.5MHZ, it is an important factor in transistor switching applications.
- The maximum junction temperature on the 2n3055 transistor is 200°C.
2n3055 transistor datasheet
If you need the datasheet in pdf please click this link
2n3055 Equivalent
- The transistor equivalent for 2n3055 is 2n6673, 2n6675, 2n3055a, 2n5881, BD130 and BD182.
- Each one in this transistor’s list is the perfect equivalent for 2n3055, every important aspect of the transistor is matched with 2n3055.
- The MJE2955 is the PNP equivalent for the 2n3055 transistor.
2n3055 vs 2n3773 vs tip3055 vs 2n3771
This below compares each of the identical transistors, such as 2n3055 vs 2n3773, 2n3055 vs 2n3773, 2n3055 vs tip3055 and 2n3055 vs 2n3771. The electrical aspects of each transistors are been compare for better understanding.
| 2n3055 | 2n3773 | Tip3055 | 2n3771 | |
|---|---|---|---|---|
| Collector to base voltage (VCB) | 2n3055100V | 2n3773100V | Tip3055100V | 2n377150V |
| Collector to emitter voltage (VCE)(RBE= 100Ω) | 2n305570V | 2n3773160V | Tip305570V | 2n377150V |
| Collector to emitter voltage (VCE) (IB = 0) | 2n305560V | 2n3773140V | Tip305560V | 2n377140V |
| Emitter to base voltage (VEB) | 2n30557V | 2n37737V | Tip30557V | 2n37715V |
| Collector current (IC) | 2n305515A | 2n377330A | Tip305515A | 2n377130A |
| Power dissipation | 2n3055115W | 2n3773150W | Tip305590W | 2n3771150W |
| Junction temperature (TJ) | 2n3055200°C | 2n3773200°C | Tip3055150°C | 2n3771200°C |
| Transition frequency (FT) | 2n30552.5MHZ | 2n37734MHZ | Tip30552.5MHZ | 2n37710.2MHz |
| Noise (N) | 2n3055– | 2n3773– | Tip3055– | 2n3771– |
| Gain (hFE) | 2n305520 to 70hFE | 2n37735 to 60hFE | Tip30555 to 70hFE | 2n377115 to 60hFE |
| Package | 2n3055TO-3 | 2n3773TO-3 | Tip3055TO-247 | 2n3771TO-3 |
2n3055 transistor uses
- Power switching applications
- Amplifier circuits
- Regulator circuits
- Inverter and ups circuits
- SMPS
- PWM circuits
- Signal amplifier circuits
2n3055 transistor amplifier circuit diagram
The figure shows the amplifier circuit using 2n3055 transistor. It is a push-pull amplifier circuit, along with 2n3055, 2n3904, and 2n33904 transistor is used for amplification. This is a 100watt amplifier with high current output. Multiple amplification stages make a strong amplified audio signal at the output.
2n3055 regulator circuit
The figure shows the regulator circuit using a 2n3055 transistor. This is a 12v/1A voltage regulator, initially, the fixed 12v voltage will be set with the 12v Zener diode. Then after the Zener section, the signal reaches the transistor, which will increase the level current of the signal. We can increase the current much higher using some modifications to the circuit.
2n3055 inverter circuit
This is a circuit of inverter using 2n3055 transistor, it is a mini model of a professional inverter circuit. Two 2n3055 transistors are been connected in bridge form for works as the power switch. The speed switching operation of the 2n3055 transistor makes an alternative signal from a DC signal.
2n3055 price
- The 2n3055 transistor is a medium power transistor, which had more applications on power electronic circuits.
- The price for 2n3055 is 329rupees for 5pieces or 4.5USD dollars.
