Hello, readers welcome to a new post. Here we will discuss Introduction to BC177 Transistor. The transistor is a three-terminal electronic component that is base emitter and collector. IT is the main part of different switches and amplifier circuits. It comes in two configurations NPN and PNP. PNP has two P regions and has one N region. While in NPN confirmation there is two N and one P region.
It has PN junction that has to cross by the electron and holes to perform the electric conduction. In this post we will discuss the BC177 Transistor that is PNP configured. SO let get started
Introduction to BC177 Transistor
- BC177 comes in T0-19 packing created with metallic substances. It correspondent transistor is BC177B.
- BC177 is mostly preferred for Tvs signal receiver circuits driver circuits and less noise inputs.
- The value of current given at the collector and emitter is minus fifty volts and the collector current is one hundred milliamperes.
- It is the best option for high-frequency applications and is also used for less power-consuming loads. Its metallic casing makes it useful for different projects.
- It is preferred for switching circuits since it has less cost. It is also employed in power amplifier circuits.
- The highest current of value minus two hundred milliamperes follows in it for saturation state.
- If base current is off transistor is in off state and this stage is called the cut-off region and zero current across collector-emitter junction.
- It is considered as current control device
BC177 Transistor Pinout
- It has three pinouts
- EMitter: It releases the electrons to other parts
- Base: It work as control of the transistor
- Collector: Current goest out from this part and larger then other two
BC177 Transistor Features
- The main features of this transistor are described here
- Its packaging is TO-18
- The value of operating temperature is minus sixty-five to one seventy-five
- Vits noise value if two decibel
- The transition frequency is two hundred megahertz
- Curent gain is one twenty-five o five hundred
- IC is -o.1 ampers
- VEB is -5 volts
- It comes in a PNP configuration
- VBE voltage value is -5V. and collector dissipation is 0.3 Watt
- 200MHZ is the transition frequency and the noise range is 2 to 10 dB.
- Higest operating junction temperature is 175 °Centigrade with a collector capacitance is 5pF
- Its operating temperature value is -65 to – 200°C.
BC177 ABSOLUTE MAXIMUM RATINGS
- Different parameters of BC177 are discussed here.
BC177 Transistor Applications
- Applications of the BC177 transistor are explained here.
- Used as a signal amplifier
- Sound systems applications
- Relay driver has this module.
- Used in microphones
- Used as switch
BC177 Working
- In the biased state of BC177, it has -200 mA of current about the CE junction, called the saturation state.
- For loads using more than 200 mA of current, it can affect the circuit. If the current supply at base terminals is disconnected, transistors will be off, and this state is called the cut-off region and not the current flow in the collector-emitter junction.
- The BC177 transistor has a gain value of 125 to 500 that is used for defining the amplification features of transistors. Peak current is provided of 200 mA.
- To turn on the transistor, BC177 needed some amount of current. The base current value is less than 10 mA and runs on when the base is connected with GND and turns off when a positive voltage is connected with the base.
- When ON, the switch transistor is connected to the base pin with the ground, and the transistor will be on base voltage, becoming more in the base turn-off voltage range of 0.7 to 0.9 volts.
- These transistor base pins are not floating, which can cause some issues in the circuit. To solve the problem, make pullup resistors for pulling up transistors to base VCC.
How to use BC177 Transistor Safely?
- For using a BC177 transistor in a circuit in safe condition, it is referred to use a transistor less than 20 percent of its maximum rating. Its maximum collector current is 100 mA. The high collector-to-emitter voltage is -45V, not using>-36V load.
- Storing and working conditions for these transistors are >-65 °C and< 150°C temperature.
Read also
- Transistor Symbols | Definition, Terminals & Operating Condition
- Difference between Vacuum Tube and Transistor
- Siren Circuit using 2N2907 Transistor
- Introduction to BC847 Transistor
- Introduction to BC177 Transistor
That is all about the BC177 transistor all details has been explained if you have any further queries ask in comments thanks for reading have a good day.
