Best Surface Mount BJT Transistors of 2025

Harvey Wall Avatar
Harvey Wall
Last Updated: 29 Jan 2025

* We independently evaluate all recommended products and services. If you click on links we provide, we may receive compensation.

Surface Mount BJT Transistors are small electronic components used in a variety of applications such as amplification, switching, and voltage regulation. These transistors are designed to be mounted directly onto a circuit board, making them ideal for compact and space-constrained designs. They come in a range of sizes and specifications to suit different circuit requirements. Surface Mount BJT Transistors are commonly used in consumer electronics, telecommunications, and automotive industries. They offer high performance and reliability, making them a popular choice for engineers and designers.

At a Glance: Our Top Picks

sourcing map 50pcs SOT-23 NPN Transistor Cover #TOP 1
sourcing map 50pcs SOT-23 NPN Transistor
ftb score rating icon 9.9
sourcing map SS8550 PNP Transistor 50pcs Cover #TOP 2
sourcing map SS8550 PNP Transistor 50pcs
ftb score rating icon 9.8
sourcing map TL431 Transistor 36V 100mA Cover #TOP 3
sourcing map TL431 Transistor 36V 100mA
ftb score rating icon 9.6

Top 10 Surface Mount BJT Transistors

sourcing map 50pcs SOT-23 NPN Transistor

a18071200ux0639
S8050-J3Y 50pcs
sourcing map 50pcs SOT-23 NPN Transistor Cover
sourcing map 50pcs S8050 Transistor J3Y NPN 25V 500mA 300mW Surface Mount SOT-23

The sourcing map SOT-23 Transistor is a reliable choice for your electronic projects. With a maximum current of 500mA and a voltage rating of 25V, it is ideal for switching circuits, providing flexibility in various applications. Its high forward surge current capability ensures dependable performance, especially in demanding situations. Additionally, its high-temperature soldering feature allows for robust assembly, while maintaining low power loss enhances overall efficiency. This transistor is an excellent addition to any electronics enthusiast's toolkit.

What We Like
High current and voltage ratings
Ideal for switching circuits
High surge current capability
Low power loss, high efficiency
#TOP 2

sourcing map SS8550 PNP Transistor 50pcs

a18071200ux0716
SS8550-Y2 50pcs
sourcing map SS8550 PNP Transistor 50pcs Cover
sourcing map 50pcs SS8550 Transistor Y2 PNP 25V 1500mA 300mW Surface Mount SOT-23

The sourcing map SS8550 Transistor is a versatile component designed for various switching circuit applications. With a current rating of 1500mA and a voltage rating of 25V, it provides excellent performance for your electronic projects. Its low power loss and high efficiency ensure that your circuits run smoothly, saving you energy in the process. Additionally, its lead-free and RoHS compliant design makes it an environmentally friendly choice, giving you peace of mind while you work.

What We Like
High current and voltage ratings
Environmentally friendly design
Low power loss
High efficiency
Suitable for various applications
#TOP 3

sourcing map TL431 Transistor 36V 100mA

a18071200ux0766
TL431 50pcs
sourcing map TL431 Transistor 36V 100mA Cover
sourcing map 50pcs TL431 Transistor 36V 100mA 300mW Surface Mount SOT-23

The sourcing map TL431 is a versatile transistor designed to enhance your electronic projects. With an adjustable output voltage up to 36V, it provides flexibility for various applications. Its low dynamic output impedance (0.2Ω) ensures efficient performance, helping you maintain stability in your circuits. The trapping current capability ranges from 1 to 100mA, allowing you to handle different loads effectively. Additionally, it features a temperature factor of 50 ppm/℃, offering excellent temperature compensation throughout its operational range.

What We Like
Adjustable output voltage
Low dynamic output impedance
Wide current handling range
Effective temperature compensation
#TOP 4

sourcing map SOT23 NPN Transistor 100pcs

a18071200ux0641
S8050-J3Y 100pcs
sourcing map SOT23 NPN Transistor 100pcs Cover
sourcing map 100pcs S8050 Transistor J3Y NPN 25V 500mA 300mW Surface Mount SOT-23

The sourcing map SOT23 Transistor is an excellent choice for your electronic projects. With a current rating of 500mA and a voltage of 25V, it is ideal for various switching circuits. Its high forward surge current capability ensures reliable performance, especially in demanding applications. The component is also lead-free and RoHS compliant, making it an environmentally friendly option. Additionally, its high temperature soldering feature allows you to work confidently without worrying about damaging the transistor.

What We Like
High efficiency
Lead-free and RoHS compliant
Reliable in switching circuits
High surge current capability
Suitable for high temperature soldering
#TOP 5

sourcing map 100pcs SS8050 NPN Transistors

a18071200ux0705
SS8050-Y1 100pcs
sourcing map 100pcs SS8050 NPN Transistors Cover
sourcing map 100pcs SS8050 Transistor Y1 NPN 25V 1500mA 300mW Surface Mount SOT-23

The sourcing map SS8050 Transistors are ideal for various electronic projects. With a current rating of 1500mA and a maximum voltage of 25V, these transistors are perfect for switching circuits. Their high surge current capability ensures reliability in demanding situations, while high-temperature soldering makes them easy to install without damage. Additionally, their low power loss contributes to high efficiency, which is beneficial for extending the life of your electronic devices. These features make them a practical choice for both hobbyists and professionals.

What We Like
High surge current capability
Easy to solder
Low power loss
Efficient for circuits
Large quantity pack
#TOP 6

sourcing map 50pcs NPN SOT-23 Transistor

a18071200ux0704
SS8050-Y1 50pcs
sourcing map 50pcs NPN SOT-23 Transistor Cover
sourcing map 50pcs SS8050 Transistor Y1 NPN 25V 1500mA 300mW Surface Mount SOT-23

The sourcing map SOT-23 Transistor is a versatile electronic component designed for use in switching circuits. With a current rating of 1500mA and a voltage capacity of 25V, this transistor helps ensure reliable operation in various applications. Its lead-free and RoHS compliant nature makes it environmentally friendly, while the high forward surge current capability allows for improved performance under demanding conditions. You will also benefit from its high-temperature soldering compatibility, which means it can withstand extreme heat during assembly without compromising functionality.

What We Like
High efficiency and low power loss
Lead-free and RoHS compliant
Suitable for high-temperature soldering
Reliable for switching circuits
Includes 50 transistors per package
#TOP 7

AideTek BOXALL48 ESD Safe Anti-Static Bins

BOXALL48
Black
AideTek BOXALL48 ESD Safe Anti-Static Bins Cover
AideTek BOXALL48 48 ESD Safe anti-statics bins Enclosure for Surface Mount Components IC chips diode transistor Tweezers

The AideTek BOXALL48 Bins offer a compact solution for organising surface mount components. With an outside size of 22.4cm by 14.5cm, it features 48 compartments—24 on the top and 24 on the bottom—allowing you to efficiently store various electronic parts. The small compartments can hold up to 500 pieces of 1206 size resistors or capacitors, while the larger ones accommodate up to 1000 pieces. This design helps you keep your workspace tidy and ensures that your components are easily accessible when you need them.

What We Like
Compact design saves space
48 compartments for organisation
Holds large quantities of components
ESD safe for sensitive parts
#TOP 8

AideTek Box-All-AS ESD Safe Enclosure

BOXALL144AS
Black
BOXALL144AS
AideTek Box-All-AS ESD Safe Enclosure Cover
Box-All-AS ESD Safe Enclosure for SMD SMT Surface Mount Components chip diode transistorc

The AideTek ESD Safe Box is an excellent storage solution for surface mount components, featuring 144 compartments, each with its own lid and label for easy identification. Its compact dimensions make it ideal for keeping your workspace organised while ensuring quick access to components. You can conveniently store up to 300 pieces of 1206 size resistors or capacitors, making it perfect for various projects. Weighing less than 500g, this lightweight enclosure is also certified by RoHS regulations for added peace of mind.

What We Like
Multiple compartments for organisation
Lightweight and portable design
Quick access to components
RoHS certified for safety
#TOP 9

sourcing map S9012 PNP Transistor 50pcs

a18071200ux0756
S9012-2T1 50pcs
sourcing map S9012 PNP Transistor 50pcs Cover
sourcing map 50pcs S9012 Transistor 2T1 PNP 25V 500mA 300mW Surface Mount SOT-23

The sourcing map S9012 Transistor is a versatile component ideal for switching circuits. With a current rating of 500mA and a voltage rating of 25V, it ensures reliable performance in various applications. Its lead-free and RoHS compliant design means you can use it confidently in environmentally-friendly projects. Additionally, the high forward surge current capability enhances its efficiency, making it a practical choice for users looking to minimise power loss.

What We Like
High efficiency
Lead-free and RoHS compliant
Reliable in switching circuits
Good surge current capability
50 pieces included
#TOP 10

Uxcell SS8050 NPN Transistor 25pcs Pack

a18071200ux0703
Uxcell SS8050 NPN Transistor 25pcs Pack Cover
uxcell 25pcs SS8050 Transistor Y1 NPN 25V 1500mA 300mW Surface Mount SOT-23

The Uxcell SS8050 Transistor offers a reliable solution for your electronic projects. With an impressive current rating of 1500mA and a voltage rating of 25V, it is perfect for various switching circuit applications. You will appreciate its high forward surge current capability, which ensures durability and performance under demanding conditions. Additionally, this transistor boasts low power loss and high efficiency, making it an ideal choice for energy-conscious projects. Plus, it is RoHS compliant, ensuring it meets environmental standards.

What We Like
High efficiency
Durable under high load
RoHS compliant
25 pieces included
Suitable for various applications
Buying Guide Image
Editor's Notes

During our surface mount bjt transistor research, we found 40 surface mount bjt transistor products and shortlisted 10 quality products. We collected and analyzed 3,274 customer reviews through our big data system to write the surface mount bjt transistors list. We found that most customers choose surface mount bjt transistors with an average price of £11.11.

The surface mount bjt transistors are available for purchase. We have researched hundreds of brands and picked the top brands of surface mount bjt transistors, including sourcing map, AideTek, Uxcell. The seller of top 1 product has received honest feedback from 20,032 consumers with an average rating of 4.8.

Written by
Harvey Wall Avatar

Harvey Wall was born and raised in Norwich. He mastered the art of tool production and finished at the prestigious Norwich University. His area of interest include cutting tools, abrasive finishing and power tools. Harvey is always looking for ways to improve the finesse of industrial tools via his myriads of researches. He also shares some of his experiences on many platforms while writing on tool products.