Datasheet D882 describes a versatile NPN bipolar junction transistor (BJT) commonly used in a wide range of electronic applications. Understanding this datasheet is crucial for any engineer or hobbyist looking to utilize this transistor effectively in circuit designs.
Datasheet D882 The Workhorse Transistor Explained
The D882 transistor, meticulously detailed in Datasheet D882, is a silicon NPN epitaxial planar transistor. This simply means it’s built using specific materials and manufacturing processes that give it particular electrical characteristics. It’s primarily designed for medium power amplification and switching applications. Think of it as a tiny electronic switch or amplifier that can control larger currents or boost weak signals. Its popularity stems from its good current handling capability and relatively low saturation voltage, making it an efficient choice for many circuits. The transistor is commonly found in TO-126 packages, which facilitate easy mounting and heat dissipation.
Datasheet D882 provides a wealth of information, including absolute maximum ratings, electrical characteristics, and typical performance curves. Among the key parameters you’ll find are:
- Collector-Emitter Voltage (VCEO): The maximum voltage that can be applied between the collector and emitter without damaging the transistor.
- Collector Current (IC): The maximum current that can flow through the collector.
- Power Dissipation (PD): The maximum power the transistor can safely dissipate as heat.
- DC Current Gain (hFE): The ratio of collector current to base current, indicating the transistor’s amplification capability.
These transistors are used in a lot of ways. Here are some application to consider:
- Audio Amplifiers: Amplifying audio signals in radios, stereos, and other audio equipment.
- Power Supplies: As a switching element in voltage regulators and power converters.
- Motor Control: Controlling the speed and direction of small DC motors.
- Relay Drivers: Providing the necessary current to activate relays. Choosing the right transistor depends on the specific requirements of your circuit, so understanding the information within Datasheet D882 is key.
To fully understand and utilize the capabilities of the D882 transistor, it’s essential to consult the official datasheet. It will provide you with all the necessary technical specifications, characteristics, and application notes.