Best High-Voltage Transistors

What Are the Best High-Voltage Transistors?
Explore 10 easy-to-compare options in TO-92, TO-220, and DIP-18 packages to find the right fit for your next project.

High-voltage transistors are essential for powering demanding electronics. Whether you’re building switching power supplies, display systems, or audio circuits, the right transistor ensures reliable performance.

Choose from TO-92, TO-220, or DIP-18 packages to fit your project needs. These components handle high voltage and current with ease, making them perfect for professionals and enthusiasts alike.

List of Top 10 High-Voltage Transistors

Title	Best For	Price
Minidodoca 31 Kinds 580pcs Assorted Type General Purpose TO92 Transistors PNP NPN Bipolar Power Transistor Assortment Kit 2n7000 Mosfet,BC517 Darlington,A42 High Voltage Transistors 2n2222A 2n3904	This transistor kit is perfect for electronics hobbyists and DIYers. It’s ideal for small projects or repairs.	View on Amazon (paid link)
50PCS MPS A06 MPSA06 NPN High Voltage Transistor TO-92	This 50-piece set of MPSA06 transistors is perfect for anyone working on high-voltage projects. It’s ideal for display circuits, CRT systems, and power supplies needing reliable performance.	View on Amazon (paid link)
Bridgold 10pcs E13009 NPN High Voltage Power Transistor TO-220.	The Bridgold 10pcs E13009 NPN High Voltage Power Transistor TO-220 is perfect for electronics enthusiasts and professionals. It’s ideal for projects needing high voltage and fast switching, like electronic ballasts or power supplies.	View on Amazon (paid link)
ALLECIN ULN2803 ULN2803APG High-Voltage High-Current Eight-Way Darlington Transistor Arrays NPN IC DIP-18 (Pack of 10pcs)	The ALLECIN ULN2803 is perfect for hobbyists and professionals working on electronic projects. It’s ideal for anyone needing high-voltage, high-current control in experiments or applications like motors, relays, or LED displays.	View on Amazon (paid link)
50Pairs BF422 BF423 PNP NPN High Voltage Transistor TO-92	This product is perfect for electronics enthusiasts and professionals who need high-voltage transistors for TV and monitor deflection circuits. It’s ideal for video output stages and high-voltage power supply regulation.	View on Amazon (paid link)
20PCS TO-220 BU406 High Voltage Transistor	This 20PCS TO-220 BU406 High Voltage Transistor is perfect for anyone working on CRT displays, television sets, or high voltage switching projects. It’s ideal for horizontal deflection circuits and high voltage applications.	View on Amazon (paid link)
12pcs ULN2803 ULN2803APG Darlington Transistor Arrays IC	This product is perfect for electronics enthusiasts and DIY project lovers. It’s great for anyone working with LED displays, motors, or relays.	View on Amazon (paid link)
10PCS MJE15030 TO-220 MJE15030G NPN Power Bipolar Transistor IC	This product is perfect for anyone working on power supplies, switching applications, or power circuits. It’s ideal for projects needing high voltage and reliable switching.	View on Amazon (paid link)
10pieces 2N3771 TO3 High Power Silicon Power Transistors NPN	This product is perfect for anyone needing high-power transistors for projects like amplifiers, power supplies, or motor control. With 10 pieces, it’s great for DIY enthusiasts or professionals working on electronics.	View on Amazon (paid link)
MJ15024 to-3 Silicone Audio Power Output Transistor Compatible with Top Brands (2-Pack)	This MJ15024 TO-3 Silicone Audio Power Output Transistor is perfect for anyone needing a reliable, high-performance replacement part for their audio equipment. It’s ideal for DIY enthusiasts, technicians, or anyone upgrading their sound systems.	View on Amazon (paid link)

Detailed Reviews

We rank the best ten high-voltage transistors with care. We check power, speed, and value for each part. Short reviews show where each one works best. Read on to find the right part for your needs.

1. Minidodoca 31 Kinds 580pcs Assorted Type General Purpose TO92 Transistors PNP NPN Bipolar Power Transistor Assortment Kit 2n7000 Mosfet,BC517 Darlington,A42 High Voltage Transistors 2n2222A 2n3904

Minidodoca 31 Kinds 580pcs Assorted Type General Purpose TO92 Transistors PNP NPN Bipolar Power Transistor Assortment Kit 2n7000 Mosfet,BC517 Darlington,A42 High Voltage Transistors 2n2222A 2n3904

The Minidodoca Transistor Kit is a must-have for electronics enthusiasts and professionals. It offers a wide variety of transistors, including PNP and NPN types, all in one convenient package.

This kit includes 580 pieces of high-quality transistors, covering 31 different values. You’ll find popular models like 2N2222A, BC547, and 2N3904, as well as specialized types such as Darlington and high-voltage transistors.

With its TO-92 package form, these transistors are easy to work with. The kit even includes tweezers for hassle-free component handling, making it a complete solution for your electronics projects.

Pros	Cons
Get 580 pieces in one big kit. Find 31 useful types for any project. Includes handy tweezers for easy work. Build fast with trusted transistor models.	No clear labeling or storage details Small parts are easy to mix or lose Some transistor types may be limited in quantity

Perfect For:

This transistor kit is perfect for electronics hobbyists and DIYers. It’s ideal for small projects or repairs.

Ready to Purchase?

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2. 50PCS MPS A06 MPSA06 NPN High Voltage Transistor TO-92

The MPSA06 is a high-voltage NPN transistor in a TO-92 package. It comes in a pack of 50 pieces, perfect for bulk needs. This transistor is designed for higher voltage tasks than regular ones.

It works well in display circuits and CRT deflection systems. Its high collector-emitter voltage rating makes it ideal for high-voltage switching.

Common uses include television circuits and monitor systems. It’s also great for high-voltage power supplies, offering reliable performance in tough applications.

Pros	Cons
Handles high voltage with ease for tough jobs. Great for displays and CRT systems. Strong performance at higher voltages. Ideal for TVs and monitors.	Limited power for strong applications Handles lower current than big transistors Uses older TO-92 package style

Perfect For:

This 50-piece set of MPSA06 transistors is perfect for anyone working on high-voltage projects. It’s ideal for display circuits, CRT systems, and power supplies needing reliable performance.

Ready to Purchase?

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3. Bridgold 10pcs E13009 NPN High Voltage Power Transistor TO-220.

The Bridgold E13009 is a high-voltage transistor in a TO-220 package. It comes in a pack of 10 pieces, perfect for multiple projects. This component is built to handle tough jobs.

It boasts high switching speed, ideal for electronic ballast and switching power supplies. Its reliable performance ensures smooth operation in demanding circuits.

With excellent current handling and high power dissipation, it’s a dependable choice for high-performance applications.

Pros	Cons
High voltage capability for demanding circuits Fast switching speed for efficient performance Ideal for electronic ballast and power supply High power dissipation handles heavy loads Reliable current characteristics for stable operation	May need a heat sink at high power Can fail if voltage limits are exceeded Uses more space than a small chip

Perfect For:

The Bridgold 10pcs E13009 NPN High Voltage Power Transistor TO-220 is perfect for electronics enthusiasts and professionals. It’s ideal for projects needing high voltage and fast switching, like electronic ballasts or power supplies.

Ready to Purchase?

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4. ALLECIN ULN2803 ULN2803APG High-Voltage High-Current Eight-Way Darlington Transistor Arrays NPN IC DIP-18 (Pack of 10pcs)

This DIP-18 chip has eight NPN Darlington switches in one small unit. Each channel handles 50 V and 500 mA and includes a clamp diode.

Use it for relays, solenoids, DC motors, lights, and LED displays. The inputs work with many types of logic. The pack includes 10 ICs, so check the specs before buying.

Pros	Cons
High-voltage power drives your projects smoothly Strong 500mA output handles real-world loads Works everywhere for easy design flexibility Universal logic input fits almost any system Built-in diodes protect circuits effortlessly	High power loss can warm the chip during heavy use. 500 mA limit may not suit larger motors or lamps. Large through-hole design takes more space than small chips.

Perfect For:

The ALLECIN ULN2803 is perfect for hobbyists and professionals working on electronic projects. It’s ideal for anyone needing high-voltage, high-current control in experiments or applications like motors, relays, or LED displays.

Ready to Purchase?

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5. 50Pairs BF422 BF423 PNP NPN High Voltage Transistor TO-92

This set has 50 pairs of BF422 NPN and BF423 PNP transistors. The small TO-92 parts can work with high voltage in TVs and monitors.

TVs use them in video output stages. Monitors use them in deflection circuits. They can help manage high-voltage power supplies.

Pros	Cons
50 pairs come ready for circuit builds. High voltage support handles demanding jobs. PNP and NPN types fit many circuit needs. Small TO-92 case saves board space. Works in TVs, monitors, and power supplies.	PNP and NPN types may be easy to mix up. TO-92 package limits heat dissipation in demanding circuits. High voltage use requires careful circuit protection.

Perfect For:

This product is perfect for electronics enthusiasts and professionals who need high-voltage transistors for TV and monitor deflection circuits. It’s ideal for video output stages and high-voltage power supply regulation.

Ready to Purchase?

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6. 20PCS TO-220 BU406 High Voltage Transistor

This high voltage transistor drives CRT television horizontal deflection circuits. It handles high voltage switching in display systems efficiently.

The BU406 features excellent high voltage performance. Switching characteristics remain adequate for demanding applications. It operates well in television sets and display equipment.

Designed specifically for deflection circuits, this NPN transistor delivers reliable results. It ensures clear picture quality in CRT displays. The component meets high voltage requirements effectively.

Pros	Cons
20-piece pack offers a ready supply. High-voltage design supports demanding circuits. Fast switching helps manage power changes. TO-220 package supports easy mounting and cooling. Made for CRT deflection and high-voltage use.	Made mainly for older CRT TVs Needs careful heat and power control Not a fit for modern flat screens

Perfect For:

This 20PCS TO-220 BU406 High Voltage Transistor is perfect for anyone working on CRT displays, television sets, or high voltage switching projects. It’s ideal for horizontal deflection circuits and high voltage applications.

Ready to Purchase?

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7. 12pcs ULN2803 ULN2803APG Darlington Transistor Arrays IC

The ULN2803APG Darlington Transistor Arrays IC is a powerful tool for your electronic projects. It handles high voltage and current, making it reliable for various uses. The 12-piece pack ensures you have enough for multiple projects.

This IC works with LED displays, motors, and relays, offering flexible integration. It comes in easy-to-store plastic boxes, keeping your workspace organized.

Pros	Cons
50V rating supports higher voltage circuits. 500mA output drives many useful loads. Eight channels control separate loads from one chip. Works with many common logic circuits. 12-chip set provides parts for multiple projects.	500mA output may require careful heat management. 50V limit restricts higher-voltage use. DIP-18 package needs careful handling and assembly.

Perfect For:

This product is perfect for electronics enthusiasts and DIY project lovers. It’s great for anyone working with LED displays, motors, or relays.

Ready to Purchase?

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8. 10PCS MJE15030 TO-220 MJE15030G NPN Power Bipolar Transistor IC

Power your next project with 10 MJE15030G NPN transistors. Each one comes in a TO-220 case for high-voltage circuits.

Get good high-voltage performance. Use the transistors in switching power supplies. They also fit many power circuits.

Each part is made for steady power use. The set works in high-voltage switching jobs. Check the voltage and pin layout before use.

Pros	Cons
High voltage power for demanding applications. Efficient switching in power supplies. Reliable performance for high-voltage circuits. Versatile use in power electronics.	Not for low-voltage use, only high-voltage projects. Limited to NPN type, no PNP option. Specific use, not versatile for all circuits.

Perfect For:

This product is perfect for anyone working on power supplies, switching applications, or power circuits. It’s ideal for projects needing high voltage and reliable switching.

Ready to Purchase?

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9. 10pieces 2N3771 TO3 High Power Silicon Power Transistors NPN

Get ten strong parts. These are NPN transistors. They do hard work.

Trust this power. Build your circuit.

Pros	Cons
High power for demanding projects. Reliable 2N3771 NPN transistors for efficient use. Bulk pack of 10 pieces saves time and money. 40V, 30A, 150W for versatile applications.	Limited to specific applications, not universal. No built-in protection features included. Bulk purchase may be excessive for small projects.

Perfect For:

This product is perfect for anyone needing high-power transistors for projects like amplifiers, power supplies, or motor control. With 10 pieces, it’s great for DIY enthusiasts or professionals working on electronics.

Ready to Purchase?

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10. MJ15024 to-3 Silicone Audio Power Output Transistor Compatible with Top Brands (2-Pack)

Get clear, strong sound with this MJ15024 audio transistor. It meets OEM standards for solid, long-lasting use.

It handles high-voltage, high-power audio work. The TO-3 metal case helps it stay cool. The two-pack works with many top-brand audio systems.

Pros	Cons
Durable and reliable for long-lasting performance. High-voltage power for audio amplification. TO-3 package ensures excellent heat dissipation. OEM standards met for premium quality.	Hard to fit in small spaces. Only two pieces in each pack. Needs an extra heat part.

Perfect For:

This MJ15024 TO-3 Silicone Audio Power Output Transistor is perfect for anyone needing a reliable, high-performance replacement part for their audio equipment. It’s ideal for DIY enthusiasts, technicians, or anyone upgrading their sound systems.

Ready to Purchase?

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Buying Guide

High-voltage transistors are key for powering demanding electronics. Pick the right one for reliable performance.

Choosing the best high-voltage transistor can be fun and rewarding. Here’s what to look for:

Type: Decide between PNP or NPN based on your circuit needs.
Package: Choose TO-92, TO-220, or DIP-18 for the right fit.
Voltage Rating: Ensure it handles the high voltage your project requires.
Current Handling: Check if it can manage the current your circuit needs.
Application: Match the transistor to your use, like power supplies or audio circuits.
Quantity: Buy in packs for bulk needs or single pieces for small projects.
Brand: Pick trusted brands for reliable performance.
Special Features: Look for Darlington pairs or high-speed switching if needed.