Shenzhen HJL Electronics Co., Ltd.
Shenzhen HJL Electronics Co., Ltd.

Bipolar transistors have become an integral part of modern electronics, enabling a wide range of applications across various industries. These tiny electronic devices are capable of performing essential functions that have revolutionized the way we communicate, compute, and control electrical circuits. In this blog, we will explore the function and uses of bipolar transistors, focusing on their significance in electronics.

Types of Bipolar Transistors

Mobile Marketing Status Configuration VRRM(V) max. IF(A) max. VF (V) max IFSM(A) max. IR(uA) max. trr (ns) max TJ(°C) max. TJ(°C) min. ECCN(US) Compliance
2PD601AQW Active 150 -55 EAR99
2PD601ARW Active 150 -55 EAR99
2PD601ASW Active 150 -55 EAR99
2SA1012(TO-220AB) Active 150 -55 EAR99
2SA1012(TO-252) Active 150 -55 EAR99
2SA1013 Active 150 -55 EAR99
2SA1015 Active 125 -55 EAR99
2SA1020 Active 150 -55 EAR99
2SA1036 Active 150 -55 EAR99
2SA1037 Active 150 -55 EAR99
2SA1037-3L Active 150 -55 EAR99
2SA1162 Active 150 -55 EAR99
2SA1179 Active 150 -55 EAR99
2SA1201 Active 150 -55 EAR99
2SA1213 Active 150 -55 EAR99
2SA1225(TO-251) Active 150 -55 EAR99
2SA1225(TO-252) Active 150 -55 EAR99
2SA1235A Active 125 -55 EAR99
2SA1576A Active 150 -55 EAR99
2SA1577 Active 150 -55 EAR99
2SA1661 Active 150 -55 EAR99
2SA1727 Active 150 -55 EAR99
2SA1740 Active 150 -55 EAR99
2SA1774 Active 150 -55 EAR99
2SA1797 Active 150 -55 EAR99
2SA2018 Single 150 -55 EAR99
2SA2029 Active 150 -55 EAR99
2SA2119K Active 150 -55 EAR99
2SA2153 Active 150 -55 EAR99
2SA733 Active 150 -55 EAR99

FAQs about Bipolar Transitor

  • How Many Types Of Bipolar Transistors Are There?

    Bipolar transistors are semiconductor devices that consist of three layers of alternating materials, namely P-type and N-type silicon. These layers are commonly referred to as the emitter, base, and collector regions. Bipolar transistors are known for their ability to amplify and switch electronic signals, making them highly versatile for a variety of applications.


    The most common type of bipolar transistor is the bipolar junction transistor (BJT). This transistor operates by regulating the flow of charge carriers between its different layers. By controlling this flow, bipolar transistors can amplify weak signals, enabling their transmission across long distances without significant degradation.

  • Functions of Bipolar Transitor

    One of the primary uses of bipolar transistors is in signal amplification. With their ability to amplify weak electrical signals, bipolar transistors have found applications in audio amplifiers, radio frequency (RF) circuits, and telecommunications equipment. In audio amplifiers, bipolar transistors receive a weak signal from an audio source and boost its magnitude, allowing for louder sound reproduction on speakers. Similarly, RF circuits utilize bipolar transistors to strengthen radio signals, ensuring efficient transmission and reception in devices such as cell phones and broadcast receivers.

HJL Electronics provides affordable and highly reliable electronics component made in China!
Waiting for your inquiry!