MPSA92 PNP Bipolar Transistor: What is a Bipolar Transistor and How does It Work?

Introduction of MPSA92 Transistor

MPSA92, a high voltage PNP bipolar transistor, is designed for use in general-purpose amplifier applications. It can handle loads as high as 300V and has a minimal VBE trigger (VBE) that is just 5V. This feature is suitable for electronic devices that operate at 5V. Along with having the highest voltage rating of 300V, they also operate at a high speed of 50MHz, with an output capacitance that is low, at 3pF. However, the downside is its lower current gain of only 50 hfe and a low collector current of 500mA.

Features of MPSA92 Transistor

High Voltage PNP Transistor

Collector-Emitter voltage (VCE): 300 V

Collector-Base voltage (VCB): 300V

Emitter Base Voltage (VBE): 5V

Continuous Collector current (IC): 500mA

DC Current Gain (hFE), typically 40 when IC=10mA

Transition Frequency: 50MHz

The MPSA92 series could be used to make seals that are Pb-Free.

MPSA92 Pinout

Below is the MPSA92 Pinout:



Package / Case – TO-226-3, TO-92-3

Supplier Device Package – TO-92-3


Operating Temperature –   -55°C~150°C TJ

Where to Use the MPSA92 Transistor?

The MPSA92 transistor is general use and is suitable for general-purpose amplifier applications.

MPSA92 Equivalent:

You also could use MPSA43, NTE288, KST92 (SMD), 2SA1371, or 2SC3468 as MPSA92 equivalent. You could find them on easybom.

Everything You Need to Know About Bipolar Transistors in Electronics

What is a bipolar transistor and how does it work?

A bipolar transistor, also known as a bistable switch, is a type of electronic component that can be switched between two states. In its own state, the transistor conducts current and in its off state, it does not conduct current. They are used in switching applications such as amplifiers and oscillators. They are also used to convert electric power into mechanical power for use in electric motors and generators.

Difference of a PNP & NPN bipolar transistor

APNP bipolar transistor is a two-terminal device that has both positive and negative terminals on the same piece of silicon. An NPN bipolar transistor is a three-terminal device that has one positive and one negative terminal on each of the two pieces of silicon.

A PNP bipolar transistor is used for low voltage applications, while an NPN bipolar transistor is used for high voltage applications. A current gain value refers to the ratio of the current flowing through a device to its output power.

The difference between these transistors lies in their basic structure, which determines their function in different applications.

Package Dimensions

Below is the picture of the 2D Model and Dimensions from the MPSA92 Transistor Datasheet will be useful to know the package type and dimensions.

MPSA92 Transistor Datasheet

Download the MPSA92 transistor datasheet below:


In short, the MPSA92 high voltage PNP bipolar transistor can deal with high load. It is general use and is suitable for low power amplifiers, high voltage and low current switching, and as well as audio or other signal amplifiers.

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