BD438STU

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

The BD438STU transistor is a Darlington device that is a combination of two bipolar junction transistors (BJT). Both transistors used in this device belong to a PNP or NPN type. Together, they form a powerful transistor which allows the BD438STU some unique characteristics, including high current gain and power rating.

In terms of application field, the BD438STU is specifically designed to control various electrical loads such as DC and solenoid motors, general-purpose amplifier stages, computer peripheral circuit control, and other audio power circuits. Furthermore, it can also be used in voltage regulators, instrumentation amplifiers, and protection circuits that require high-current gain and reliable performance.

As for the working principle, the BD438STU utilizes the two transistors to achieve a higher current gain compared to the use of a single transistor. When this device is activated, the input current, which passes from one transistor to the other, generates a much higher output current. This higher current gain makes the BD438STU more capable of controlling high power loads than most transistors.

The power rating for the BD438STU is also rather impressive. It has a DC current gain of up to 500 and a maximum operating temperature of 150 degrees Celsius. Furthermore, this device can handle power ratings up to 20 watts at a 10 kHz switching frequency.

To conclude, the BD438STU is a very reliable, dual transistor device that can enable a powerful current gain, even when controlling high power loads. Its versatile application field and high power rating make it a great choice when looking for a reliable and efficient transistor.

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