MPSA42-AP Discrete Semiconductor Products

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

MPSA42-AP is a bipolar junction transistor (BJT) developed by Motorola, Inc. It is categorized as a single transistor due to its structure and design. Its development gave rise to several application fields such as oscillators, high-frequency switching, and amplifier circuits.

The MPSA42-AP is a general-purpose amplifier transistor with a TO-92 plastic package. It has three leads, base, collector and emitter, which are connected internally. It is a PNP type BJT with a maximum collector-emitter voltage rating of 80V and a maximum power dissipation of 250mW.

The MPSA42-AP is unique in its ability to have very low forward voltage drop values (VCEof about 0.4V). Its collector-base voltage drop is incredibly low, allowing for higher current gains (hfe). Furthermore, the MPSA42-AP has an excellent noise immunity and is designed to provide resonance-free operation. It also features high gain at high frequencies, and is suitable for most amplifier circuits.

The device\'s working principle is based on the operation of a simple BJT. Applying a voltage to the emitter-base junction results in the injection of electrons into the base region which, in turn, creates an active region in the P-type material. As a consequence, the collector current increases, leading to increased current gain. This mechanism is explained further by the CE-CB phase diagram, which is largely unaffected by the MPSA42-AP\'s high frequency behavior.

When combined with other BJTs to form a solid-state relay, the MPSA42-AP can prove immensely useful. By using an MPSA42-AP as the driving component of the relay, engineers have the ability to switch large currents with relatively low supply voltage without consuming too much power. The MPSA42-AP is also often used in amplifier circuits as a low-noise driver element.

The MPSA42-AP transistor is a great tool for engineers. Its low voltage drop, high gain, and wide variety of applications make it an ideal choice for low-power amplifier and switching circuits. With its wide range of features, the MPSA42-AP is an invaluable asset in modern transistor technology.

The specific data is subject to PDF, and the above content is for reference