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PN2907 Transistor Pinout, Features, Equivalent, Applications & other Details:

PN2907 PNP Bipolar Junction Transistor is mainly used for amplification and switching purposes. TO-92 metal case silicon Planar PNP transistor
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PN2907 Transistor Pinout, Features, Equivalent, Applications & other Details:

PN2907 PNP Transistor Pinout, Features, Equivalent, Applications & other Details:

PNP (positive-Negative-positive) Bipolar Junction Transistor (BJT) is mainly used for amplification and switching purposes. TO-92 metal case silicon Planar Epitaxial PNP transistor. It encompasses low leakage current, high breakdown voltage, and low capacity which makes it useful over a wide current range. I'll try to touch every aspect related to this transistor so you can get an idea of what it does and what are its main applications. Let's get started.

PN2907 Transistor Pinout
PN2907 PNP Transistor:

There are 2 P-type semiconductor materials used in these types of transistors. These elements are separated by a thin N-type semiconductor layer. The bulk of charge carriers in these transistors are holes, with electrons making up the minority.

  1. The transistor will turn on when the base terminal is pulled to LOW in contrast to the emitter terminal.
  2. In this transistor, current travels from the emitter terminal to the collector terminal.
PN2907 Pin Configuration:
Pin No Pin Name
1 Enitter
2 Base
3 Collector

Read Also:

PN2907 Key Features:

  • Max Curreunt: 200 mA
  • Low voltage: 40v
  • Max Transition Frequency (ft): 200 MHz
  • Minimum & Maximum DC Current Gain (hFE): 35 to 300
PN2907 Specifications:
Max Collector Current (IC): Max Collector-Emitter Voltage (vCE): Max Collector-Base Voltage (vCB): Max Emitter-Base Voltage (vEB): Max Operating Temperature:
800mA 40V 60V 5V -65 to +150 °C

PN2907 Replacement & Alternate:

PN2907 with the PN2907A, 2N2907, 2N5763, 2N2907A, 2N4401, 2N2905, 2N2906

Safe Operating Guide Lines:

The safe operating area (SOA) is defined as the regions in which a transistor can operate without self-damage or degradation. A range of a transistorʼs usability is limited by the maximum ratings such as the maximum voltage, maximum current, and maximum collector power dissipation. Transistors in high-power amplifiers or circuits driving inductive loads might be degraded or damaged even when they are used within individual maximum ratings. This is attributable to the secondary breakdown of the transistor.

PN2907 Operational Status:

Tn has 2 Role statuses: Forward Bias & Reverse Bias.
Role 1: In the status of the forward bias, the current can pass when the collector and emitter are connected.
Role 2: While in the status of the reverse bias, it acts as a disconnect switch and current cannot pass.


Transistors have a wide range of applications in electronics and other industries. Here are some common applications of transistors:

  1. Switches: They can turn a device on-off or control the flow of current in a circuit. Transistors can also be used as switches in electronic circuits.
  2. Amplifiers: They can amplify a weak signal and provide a stronger output signal. Transistors are commonly used as amplifiers in audio systems, televisions, radios, and other electronic devices.
  3. Oscillators: They can produce a signal at a specific frequency, which is useful in applications such as radio communications. Transistors can be used to generate oscillations in electronic circuits.
  4. Power supplies: They can also be used to switch between different power sources. Transistors can be used in power supply circuits to regulate voltage or current.
  5. Digital circuits: They can store and process information in binary form, which is the basis of digital electronics. Transistors are used extensively in digital circuits, such as microprocessors and memory devices.
  6. Lighting: They can also be used in dimmer switches to adjust the brightness of incandescent lights. Transistors can be used to control the brightness of LED lights.
  7. Motor control: They can also be used in robotics and other automated systems. Transistors can be used to control the speed of motors in industrial equipment, such as pumps and fans.
  8. Solar cells: They can regulate the flow of current and maximize the efficiency of the solar cell. Transistors can be used in solar cells to convert sunlight into electricity.

You can download this datasheet for PN2907 PNP Transistor from the link give below

PN2907 Tansistor Datasheet 90 KB
Frequently Asked Questions:
What is a transistor?

A transistor is a semiconductor device that is used to amplify or switch electronic signals. It consists of three layers of doped semiconductor material and has three terminals: emitter, base, and collector.

What is a power transistor?

A power transistor is a type of transistor that is designed to handle high voltage and current levels. It is used in power supply circuits, motor control circuits, and other high-power applications.

What is the difference between a BJT and an FET?

The main difference between a BJT and an FET is that a BJT controls the flow of current through the base terminal using a small current. whereas an FET controls the flow of current through a semiconductor channel using an electric field.

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