BD534 Discrete Semiconductor Products

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The BD534 is an NPN bipolar junction transistor (BJT) manufactured by NXP Semiconductors. It is one of the most common BJT devices used in numerous applications and is also known as the 2SC1421.

With a maximum collector current (Ic) of 220mA and a maximum collector-emitter voltage (Vce) of 40V, the BD534 offers robust performance for general purpose applications such as audio amplifiers, switching, signal amplification, voltage regulation, or power driver circuits. It has an amplification factor (Hfe) of 150-250, and a maximum power rating of 1 Watt.

The BD534 is available in three packages, the TO-92, the TO-220AB, and the SOT-143. The TO-92 package is ideal for applications with limited space, while the TO-220AB and SOT-143 packages offer higher heat dissipation and improved power handling, respectively. The device also features a low saturation voltage and low power consumption.

The BD534 is a low noise and low power device that can be used in a wide range of applications due to its flexible operating characteristics. The device is capable of providing excellent signal to noise ratios in audio amplifiers and receivers, as well as providing controlled switching in applications such as switching regulated power supplies.

In addition to its general purpose applications, the BD534 is also heavily used for its power output in voltage regulation applications. The device is capable of providing regulation in the range of 6V-20V, making it well suited for use in controllers, adjustable voltage regulators, and switching converters. The low saturation voltage and low power consumption of the BD534 make it an ideal choice for these applications.

The working principle of the BD534 is based on the design of a BJT. It consists of two active parts, the emitter and the collector, and a controlling part, the base. When a voltage is applied to the base, it allows current to flow between the emitter and the collector. This current flow is referred to as collector current. The current is then amplified through the transistor, providing an output current which is larger than the input current. This amplified output current is then used in various applications.

The BD534’s use in a wide range of applications is a testament to its versatility and reliability. The device’s flexibility in terms of package type and power handling make it an ideal choice for numerous applications, from audio amplifiers to voltage regulation.

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