ON Semiconductor 2SD1904R NPN Transistor

The 2SD1904R is a robust NPN bipolar junction transistor (BJT) from ON Semiconductor, designed for high-speed switching applications. This transistor is a preferred choice for designers due to its high current and voltage handling capabilities, making it suitable for a variety of power management and amplification tasks in commercial and industrial electronic equipment.

Key Features

• High Voltage Capacity: The 2SD1904R is capable of withstanding collector-emitter voltages up to 80V, making it suitable for circuits operating at higher voltages.
• High Current Rating: With a collector current rating of up to 2A, this transistor can handle significant current loads, which is essential for power switching applications.
• Low Saturation Voltage: It offers a low collector-emitter saturation voltage, which helps in reducing power loss and improving efficiency in switching operations.
• Fast Switching Speed: The device features fast switching times, which is critical for applications where rapid on-off cycles are necessary, such as in power supplies and motor controls.
• Complementary PNP Type: ON Semiconductor also offers a complementary PNP type transistor, allowing for easy implementation in push-pull, class B, and other amplifier configurations.

Applications

The 2SD1904R is versatile and can be used in a wide range of applications. Some common uses include:

• Power supply circuits
• DC-DC converters
• Motor controllers
• Audio amplifiers
• Switching regulators

Reliability and Packaging

ON Semiconductor is known for its commitment to quality, and the 2SD1904R is no exception. It is packaged in a TO-126 type, which is designed for optimal heat dissipation and durability. This packaging, combined with the transistor's inherent thermal stability, ensures reliable performance even under challenging conditions.

Whether you are designing power supplies, amplifiers, or any other circuit requiring a high-performance NPN transistor, the 2SD1904R from ON Semiconductor is an excellent choice that promises efficiency, reliability, and high-speed operation.