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. On this page, as one of the most professional transistors suppliers, we will explore the function and uses of bipolar transistors, focusing on their significance in electronics.

Types of Bipolar Transistors

Product 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
2SA812 Active 150 -55 EAR99
2SB1132 Active 150 -55 EAR99
2SB624 Active 150 -55 EAR99
2SC1623 Active 150 -55 EAR99
2SC1815 Active 150 -55 EAR99
2SC2383 Active 150 -55 EAR99
2SC2873 Active 150 -55 EAR99
2SC3356 Active 150 -55 EAR99
2SC4672 Active 150 -55 EAR99
2SD1664 Active 150 -55 EAR99
2SD965A Active 150 -55 EAR99
A44 Active 150 -55 EAR99
B772 Active 150 -55 EAR99
BC807-40 Active 150 -55 EAR99
BC817-40 Active 150 -55 EAR99
BC846B Active 150 -55 EAR99
BC847C Active 150 -55 EAR99
BC856A Active 150 -55 EAR99
BCX53-16 Active 150 -65 EAR99
BCX56-16 Active 150 -65 EAR99
CXT5401 Active 150 -65 EAR99
CXT5551 Active 150 -65 EAR99
D882 Active 150 -55 EAR99
FMMT558 Active 150 -55 EAR99
FMMT591 Active 150 -55 EAR99
MMBT2222A Active Single 150 -55 EAR99
MMBT2907A Active 150 -55 EAR99
MMBT3904 Active 150 -65 EAR99
MMBT3904T Active 150 -55 EAR99
MMBT3906 Active 150 -65 EAR99
MMBT4401 Active Single 150 -55 EAR99
MMBT4403 Active 150 -55 EAR99
MMBT5401 Active 150 -55 EAR99
MMBT5551 Active 150 -55 EAR99
MMBTA44 Active 150 -55 EAR99
MMBTA92 Active 150 -55 EAR99
MMBTA94 Active 150 -40 EAR99
MMST3904 Active 150 -55 EAR99
MMST3906 Active 150 -55 EAR99
MMST5401 Active 150 -55 EAR99
MMST5551 Active 150 -55 EAR99
PXT2222A Active 150 -65 EAR99
PXT2907A Active 150 -65 EAR99
PXT3904 Active 150 -65 EAR99
PXT8050 Active 150 -55 EAR99
PXT8550 Active 150 -55 EAR99
S8050 Active 150 -55 EAR99
S8550 Active 150 -55 EAR99
S9012 Active 150 -55 EAR99
S9013 Active 150 -55 EAR99
S9014 Active 150 -55 EAR99
S9015 Active 150 -55 EAR99
S9018 Active 150 -55 EAR99
SS8050 SOT-23 Active 150 -55 EAR99
SS8050 SOT-89 Active 150 -55 EAR99
SS8550 SOT-23 Active 150 -55 EAR99
SS8550 SOT-89 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!