Best TO-220 BJT Transistors of 2026

Name: JZK 50pcs Positive Voltage Regulator Kit
Brand: JZK

Harvey Wall

Last Updated: 2 Feb 2026

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TO-220 BJT transistors are electronic components used to amplify and switch electronic signals. They are commonly used in power supplies, motor control circuits, and audio amplifiers. These transistors come in a compact package that can be easily mounted to a heatsink for efficient thermal management. They are available in a range of specifications to meet various voltage and current requirements. These transistors are a reliable and cost-effective solution for a wide range of electronic applications.

At a Glance: Our Top Picks

#TOP 1

JZK 50pcs Positive Voltage Regulator Kit

9.8

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#TOP 2

10pcs MJE15032 MJE15033 TO-220 Bipolar Junction Transistor Assortment

9.7

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#TOP 3

eMagTech 20pcs TIP41C 100V 6A Triode TO-220 Large Chip In-line Power Transistor Silicon NPN Transistor

9.5

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Top 10 TO-220 BJT Transistors

#TOP 1

JZK 50pcs Positive Voltage Regulator Kit

JZK
M470694U

JZK 50pcs Positive voltage regulators, 10 values LM317T L7805 L7806 L7808 L7809 L7810 L7812 L7815 L7818 L7824, TO-220 adjustable triode transistors power supply assortment kit

The JZK Voltage Regulator Assortment includes 50 high-quality transistors across 10 different values, providing a versatile selection for your electronic projects. Each transistor is clearly marked with its value, eliminating any confusion during use. The kit comes in a convenient plastic box, making organisation easy. With an output current of 1.2 A to 1.5 A, these reliable regulators are perfect for DIY enthusiasts and can also be used in repairs or various electrical appliances.

9.8

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What We Like

Variety of voltage options
Clear markings for easy identification
Convenient storage box included
Reliable output current range
Ideal for DIY and repairs

#TOP 2

10pcs MJE15032 MJE15033 TO-220 Bipolar Junction Transistor Assortment

CHANZON
TRD-DGKIT10-TO-220-10

10pcs MJE15032 MJE15033 (5pcs MJE15032 + 5pcs MJE15033) TO-220 Bipolar Junction Transistor Assortment - BJT PNP + NPN New Original

Features

2SA940 Voltage: -150V Current:-1.5A, 2SC2073 Voltage: 150V Current: 1.5A
Overview: 5 Pcs NPN 2SA 940 And 5 Pcs PNP 2SC 2073 TO220 Power Transistors Kit
Transistors Triode Assorted Set For Electronic DIY Project

9.7

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#TOP 3

eMagTech 20pcs TIP41C 100V 6A Triode TO-220 Large Chip In-line Power Transistor Silicon NPN Transistor

eMagTech
726-BI

eMagTech 20pcs TIP41C 100V 6A Triode TO-220 Large Chip In-line Power Transistor Silicon NPN Transistor for Audiov Power Linear Switching Applications

Features

Suitable For Audio, Power Linear And Switching Applications,such As Electronic Ballast And Switching Mode Power Supply.
The Transistor Is A Semiconductor Device Used To Amplify And Switch Electronic Signals,widely Embedded In Integrated Circuits.
Stable Performance, Suitable For Electronics Professionals And Hobbyists, And Also A Good Replacement For Damaged Products.

9.5

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#TOP 4

Chanzon 10pcs 2SA940 2SC2073 TO-220 Bipolar Junction Transistor Assortment

CHANZON
TRD-DGKIT9-TO-220-10

Chanzon 10pcs 2SA940 2SC2073 (5pcs PNP 2SA940 + 5pcs NPN 2SC2073) TO-220 Bipolar Junction Transistor Assortment - BJT PNP + NPN

Features

Versatile Applications: Suitable For A Variety Of Electronic Projects, From Audio Amplifiers To Signal Processing Circuits.
Comprehensive Assortment: Includes 5pcs PNP 2SA940 And 5pcs NPN 2SC2073 Transistors, Offering Both Types In One Convenient Package.
Package: Pack Of 10pcs, Delivered In An Anti-Static Bag That Provides Electrostatic Protection, ESD Safety, And Long Shelf Life.

9.5

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#TOP 5

Chanzon TIP32C TO-220 PNP Power Bipolar Junction Transistor Five Point

CHANZON
TIP32C-TO-220-3L-10

Chanzon TIP32C TO-220 PNP Power Bipolar Junction Transistor (Pack of 10pcs) Five Point

Features

Transistor Polarity: PNP Bipolar Junction Transistor.
Transistor Type: Medium Power Complementary Silicon PNP Transistor.
Specification: Manage VCBO Up To 100V, VCEO Up To 100V, VEBO Up To 5V, IC Up To 3A And PC Up To 40W.

9.4

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#TOP 6

YINETTECH 20pcs TIP42C PNP Transistor Switching Amplifier TO-220 Low Power Transistor Electronic DIY Project Microwave Communication Circuit Charging Circuit

YINETTECH
630-BF

YINETTECH 20pcs TIP42C PNP Transistor Switching Amplifier TO-220 Low Power Transistor Electronic DIY Project Microwave Communication Circuit Charging Circuit

Features

Widely Used: TIP42C TO-220 Transistors Are Widely Used In Electronic DIY Projects, Amplifiers, Solar Panels, Charging Circuits, Product Development, Student Experiments, Switching Power Supplies, Converters, Microwave Communication Circuits, And Other Circuits.
Model: TIP42C ; Length: 29mm; Voltage: 100V.
Reliable Performance: High Transmission Surge Current Capability, High-Temperature Welding, Low Power Consumption, High Efficiency

9.2

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#TOP 7

Chanzon 10pcs 2SA1837 2SC4783 TO-220 Bipolar Junction Transistor Assortment

CHANZON
TRD-DGKIT8-TO-220-10

Chanzon 10pcs 2SA1837 2SC4783 (5pcs PNP 2SA1837 + 5pcs NPN 2SC4783) TO-220 Bipolar Junction Transistor Assortment - BJT PNP + NPN

Features

Versatile Applications: Suitable For A Variety Of Electronic Projects, From Audio Amplifiers To Signal Processing Circuits.
Comprehensive Assortment: Includes 5pcs NPN 2SA1837 And 5pcs PNP 2SC4783 Transistors, Offering Both Types In One Convenient Package.
Package: Pack Of 10pcs, Delivered In An Anti-Static Bag That Provides Electrostatic Protection, ESD Safety, And Long Shelf Life.

9.2

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#TOP 8 Best Power BJT Transistor

AUKENIEN BJT Transistor Kit with 250pcs

AUKENIEN
AKN-BJT-10
BJT-10

AUKENIEN BJT Transistor Assortment Kit 10 Values 250pcs NPN PNP Power General Transistors 2N2222 2N2907 2N3904 2N3906 A1015 BC327 BC337 C1815 S8050 S8550 TO-92

The AUKENIEN Transistor Kit is an excellent choice for anyone needing a reliable assortment of power transistors. This kit includes both NPN and PNP types, ensuring versatility for various projects. With high dielectric strength, you can expect improved safety and performance in your circuits. The fast switching speed allows you to create more efficient designs, making your electronic projects run smoother. Additionally, the large power dissipation capability means these transistors can handle demanding tasks, giving you confidence in their durability and effectiveness.

9.1

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What We Like

High-quality materials
Versatile NPN and PNP types
Fast switching speed
Large power dissipation
Convenient storage case

#TOP 9

Innfeeltech 50 Pcs 2N3904 NPN PNP Power Transistors

Innfeeltech
DC16-012
2N3904

Innfeeltech 50 Pcs BJT Power Transistors Values 2N3904 NPN Power General Purpose Transistors

The Innfeeltech 2N3904 Transistors offer a pack of 50 general-purpose transistors, combining both NPN and PNP types for versatile use. These transistors provide high dielectric strength, which means you can rely on them to resist electrical breakdowns, ensuring durability in your circuits. Their fast switching speed allows for efficient performance in various applications, saving you time and improving overall device responsiveness. Additionally, they handle large power dissipation, so you can use them confidently in power-demanding tasks without worrying about overheating or failure.

8.9

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What We Like

Includes 50 transistors
High dielectric strength
Fast switching speed
Supports large power dissipation
Includes both NPN and PNP types

#TOP 10

Chanzon BT137-600E TO-220 Bidirectional Triac Thyristor Transistor

CHANZON
BT137-600E-TO-220-10

Chanzon BT137-600E TO-220 Bidirectional Triac Thyristor Transistor (Pack of 10pcs)

Features

Transistor Polarity: None (as It's A Bidirectional Triac).
Thyristor Type: Bidirectional Triac Thyristor Transistor With Optimal Performance.
Specifications: Designed To Handle A Repetitive Peak Off-State Voltage (VDRM) Of 600V, An On-State RMS Current (IT(RMS)) Of 8A, A Non-Repetitive Surge Peak On-State Current (ITSM) Of 65A, An On-State Peak Voltage (VTM) Of 1.65V, A Gate Trigger Current (IGT) Of 10mA, And A Gate Trigger Voltage (VGT) Of 1V. It Also Maintains A Current (IH) Of 25mA.

8.7

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Editor's Notes

During our to-220 bjt transistor research, we found 90 to-220 bjt transistor products and shortlisted 10 quality products. We collected and analyzed 4,743 customer reviews through our big data system to write the to-220 bjt transistors list. We found that most customers choose to-220 bjt transistors with an average price of £20.00.

The to-220 bjt transistors are available for purchase. We have researched hundreds of brands and picked the top brands of to-220 bjt transistors, including JZK, CHANZON, eMagTech, YINETTECH, AUKENIEN.

Written by

Harvey Wall

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.