Category: Bi-polar Transistor (BJT)

The BF872 is a PNP high-voltage transistor designed for stable amplification in demanding circuits. This article explains the BF872 pinout, features, specifications, working principle, applications, and suitable alternatives in a clear and practical format. Introduction The BF872 is a high-voltage PNP bipolar junction transistor intended for low-current amplification where negative supply rails are used. Its […]

The BF871 is an NPN high-voltage transistor suitable for reliable voltage amplification applications. This guide covers the BF871 pinout, features, specifications, working principle, applications, and compatible alternatives for practical circuit design. Introduction The BF871 is a high-voltage NPN bipolar junction transistor designed for low-current, high-voltage amplification tasks. It is commonly used in analog signal stages […]

The BF869 is an NPN high-voltage transistor designed for stable operation in high-voltage amplification circuits. This article explains the BF869 pinout, key features, datasheet specifications, working principle, applications, and suitable alternatives to help you use it correctly in electronic designs. Introduction The BF869 is a high-voltage NPN bipolar junction transistor intended for low-current voltage amplification […]

The BF472 is a PNP high-voltage transistor designed for stable amplification in negative high-voltage circuits. This article explains the BF472 pinout, key features, datasheet specifications, working principle, applications, and suitable alternatives, giving a complete technical overview. Introduction The BF472 is a high-voltage PNP bipolar junction transistor intended for low-current voltage amplification and signal processing tasks. […]

The BF470 is a PNP high-voltage transistor developed for stable operation in high-voltage amplification circuits. This article explains the BF470 pinout, core features, datasheet specifications, working principle, applications, and suitable alternatives to help you use it correctly in electronic designs. Introduction The BF470 is a high-voltage PNP bipolar junction transistor designed for low-current voltage amplification […]

The BF471 is an NPN high-voltage transistor designed for stable operation in high-voltage amplification circuits. This article explains the BF471 pinout, features, electrical specifications, working principle, applications, and suitable equivalents to give a complete understanding of this device. Introduction The BF471 is a high-voltage NPN bipolar junction transistor intended for voltage amplification and signal processing […]

The BF469 is an NPN high-voltage transistor designed for reliable amplification in high-voltage electronic circuits. This article explains the BF469 pinout, key features, electrical specifications, working principle, applications, and suitable equivalents to help engineers and hobbyists use it correctly. Introduction The BF469 is a high-voltage NPN bipolar junction transistor intended for low-to-moderate current amplification where […]

The BF458 is an NPN high-voltage transistor designed for high-voltage amplification and switching applications. This article explains the BF458 pinout, key features, electrical specifications, working principle, applications, and suitable equivalents in a clear, consistent format. Introduction The BF458 is a high-voltage NPN bipolar junction transistor commonly used in video amplifiers, power supply circuits, and high-voltage […]

The BF459 is an NPN high-voltage transistor widely used in high-voltage amplification and power handling circuits. This article provides a complete overview of the BF459 pinout, features, specifications, working operation, applications, and equivalent transistors for practical circuit design. Introduction The BF459 is a high-voltage NPN bipolar junction transistor designed for applications requiring higher voltage handling […]