Best SMD Zener Diodes of 2026

Harvey Wall Avatar
Harvey Wall
Last Updated: 2 Feb 2026

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SMD Zener Diodes are electronic components that are used to regulate voltage in circuits. They are designed to maintain a constant voltage level, regardless of variations in current and temperature. These diodes come in small surface-mount packages, making them ideal for use in compact electronic devices such as mobile phones, cameras, and laptops. SMD Zener Diodes are known for their high accuracy and reliability, and they are widely used in the electronics industry. They are available in various wattage ratings and voltage ranges, making them versatile and suitable for a wide range of applications.

At a Glance: Our Top Picks

Fasizi 220PCS 1206 SMD Zener Diode Kit Cover #TOP 1
Fasizi 220PCS 1206 SMD Zener Diode Kit
ftb score rating icon 9.9
Chanzon 34 Values 0.5W SMD Zener Diode Assorted Kit 2V 2.2V 2.4V 2.7V 3V 3.3V 3.6V 3.9V 4.3V 4.7V 5.1V 5.6V 6.2V 6.8V 7.5V 8.2V 9.1V 10V 11V 12V 13V 15V 16V 18V 20V 22V 24V 27V 30V 33V 36V 39V 43V 47V Cover #TOP 2
Chanzon 34 Values 0.5W SMD Zener Diode Assorted Kit 2V 2.2V 2.4V 2.7V 3V 3.3V 3.6V 3.9V 4.3V 4.7V 5.1V 5.6V 6.2V 6.8V 7.5V 8.2V 9.1V 10V 11V 12V 13V 15V 16V 18V 20V 22V 24V 27V 30V 33V 36V 39V 43V 47V
ftb score rating icon 9.8
DollaTek 300Pcs Zener Diode Assortment Kit Cover #TOP 3
DollaTek 300Pcs Zener Diode Assortment Kit
ftb score rating icon 9.6

Top 10 SMD Zener Diodes

#TOP 1

Fasizi 220PCS 1206 SMD Zener Diode Kit

ELB0255
Fasizi 220PCS 1206 SMD Zener Diode Kit Cover
Fasizi 220PCS 1206 SMD Zener Diode Kit Assortment LL34 0.5W 1/2W 3V-51V 22 Models Each of the 10PCS

The Fasizi Zener Diode Kit offers a comprehensive assortment of 220 pieces, featuring 22 different values of 1206 SMD Zener diodes, with 10 pieces of each value. With voltage ratings ranging from 3V to 51V, this kit is ideal for both beginner hobbyists and experienced electronics professionals. The well-organised components allow users to easily find the right diode for their projects, enhancing efficiency. Additionally, all products are rigorously tested for stability, consistency, and reliability, ensuring you can trust their performance in your electronic applications.

What We Like
Wide variety of diode values
Ideal for beginners and experts
Organised and easy to use
Tested for reliability
#TOP 2

Chanzon 34 Values 0.5W SMD Zener Diode Assorted Kit 2V 2.2V 2.4V 2.7V 3V 3.3V 3.6V 3.9V 4.3V 4.7V 5.1V 5.6V 6.2V 6.8V 7.5V 8.2V 9.1V 10V 11V 12V 13V 15V 16V 18V 20V 22V 24V 27V 30V 33V 36V 39V 43V 47V

34 Values (Each 10pcs Total 340pcs)
Chanzon 34 Values 0.5W SMD Zener Diode Assorted Kit 2V 2.2V 2.4V 2.7V 3V 3.3V 3.6V 3.9V 4.3V 4.7V 5.1V 5.6V 6.2V 6.8V 7.5V 8.2V 9.1V 10V 11V 12V 13V 15V 16V 18V 20V 22V 24V 27V 30V 33V 36V 39V 43V 47V Cover
Chanzon 34 Values 0.5W SMD Zener Diode Assorted Kit 2V 2.2V 2.4V 2.7V 3V 3.3V 3.6V 3.9V 4.3V 4.7V 5.1V 5.6V 6.2V 6.8V 7.5V 8.2V 9.1V 10V 11V 12V 13V 15V 16V 18V 20V 22V 24V 27V 30V 33V 36V 39V 43V 47V

Features
Lead-Free / RoHS Compliant Electronics Component / LL-34 Surface Mount
SMD 0.5 Watt Zener Diodes Assortment Set (Pack Of 34 Values Each 10 Pieces Total 340 Pieces)
Zener Voltage: 2 / 2.2 / 2.4 / 2.7 / 3 / 3.3 / 3.6 / 3.9 / 4.3 / 4.7 / 5.1 / 5.6 / 6.2 / 6.8 / 7.5 / 8.2 / 9.1 / 10 / 11 / 12 / 13 / 15 / 16 / 18 / 20 / 22 / 24 / 27 / 30 / 33 / 36 / 39 / 43 / 47 Volts
ZMM2V0 ZMM2V2 ZMM2V4 ZMM2V7 ZMM3V0 ZMM3V3 ZMM3V6 ZMM3V9 ZMM4V3 ZMM4V7 ZMM5V1 ZMM5V6 ZMM6V2 ZMM6V8 ZMM7V5 ZMM8V2 ZMM9V1 ZMM10V ZMM11V ZMM12V ZMM13V ZMM15V ZMM16V ZMM18V ZMM20V ZMM22V ZMM24V ZMM27V ZMM30V ZMM33V ZMM36V ZMM39 ZMM43 ZMM47
See Picture 4-7 For Specifications Datasheet
#TOP 3

DollaTek 300Pcs Zener Diode Assortment Kit

DollaTek 300Pcs Zener Diode Assortment Kit Cover
DollaTek 300Pcs (2V ~ 39V) 30 values 1/2W 0.5W Zener Diode set mixed assortment KIT

The DollaTek Zener Diode Kit offers a comprehensive assortment of 300 pieces, including 30 different voltage values, with 10 diodes for each type. This variety ensures that you have the right component for various applications, providing convenience in your projects. Each diode is RoHS certified, ensuring they are lead-free and environmentally friendly, while also offering high precision and stability. Additionally, the clear labelling of each diode allows for easy organisation, helping you find the right part without the hassle of deciphering colour bands.

What We Like
Wide range of voltage values
High precision and stability
RoHS certified, lead-free
Easy organisation with labels
#TOP 4

Chanzon SMD Zener Diode 0.5W 16V ZMM16V ZMM16 LL-34 0.5 Watt 16 Volt Silicon Glass Zener Diodes

ZMM16V x 100 Pieces
Chanzon SMD Zener Diode 0.5W 16V ZMM16V ZMM16 LL-34 0.5 Watt 16 Volt Silicon Glass Zener Diodes Cover
(Pack of 100 Pieces) Chanzon SMD Zener Diode 0.5W 16V ZMM16V ZMM16 LL-34 (SOD-80 MiniMELF / 1206) 0.5 Watt 16 Volt Silicon Glass Zener Diodes

Features
Lead-Free / RoHS Compliant Electronics Component / Through Hole
ZMM 16V SOD-80 (DO-213AC) 500mW - 16 V
Surface Mount SMT Zener Voltage Diodes
See Picture 2-7 For Specifications Datasheet
Pack In A ESD Bag With Main Specs Label,for Long Time Protection And Indetification.
#TOP 5

Chanzon SMD Zener Diode 0.5W 15V ZMM15V ZMM15 LL-34 0.5 Watt 15 Volt Silicon Glass Zener Diodes

ZMM15V x 100 Pieces
Chanzon SMD Zener Diode 0.5W 15V ZMM15V ZMM15 LL-34 0.5 Watt 15 Volt Silicon Glass Zener Diodes Cover
(Pack of 100 Pieces) Chanzon SMD Zener Diode 0.5W 15V ZMM15V ZMM15 LL-34 (SOD-80 MiniMELF / 1206) 0.5 Watt 15 Volt Silicon Glass Zener Diodes

Features
Lead-Free / RoHS Compliant Electronics Component / Through Hole
ZMM 15V SOD-80 (DO-213AC) 500mW - 15 V
Surface Mount SMT Zener Voltage Diodes
See Picture 2-7 For Specifications Datasheet
Pack In A ESD Bag With Main Specs Label,for Long Time Protection And Indetification.
#TOP 6

Chanzon SMD Zener Diode 0.5W 2.4V ZMM2V4 LL-34 0.5 Watt 2.4 Volt Silicon Glass Zener Diodes

ZMM2V4 x 100 Pieces
Chanzon SMD Zener Diode 0.5W 2.4V ZMM2V4 LL-34 0.5 Watt 2.4 Volt Silicon Glass Zener Diodes Cover
(Pack of 100 Pieces) Chanzon SMD Zener Diode 0.5W 2.4V ZMM2V4 LL-34 (SOD-80 MiniMELF / 1206) 0.5 Watt 2.4 Volt Silicon Glass Zener Diodes

Features
Lead-Free / RoHS Compliant Electronics Component / Through Hole
ZMM 2V4 SOD-80 (DO-213AC) 500mW - 2.4 V
Surface Mount SMT Zener Voltage Diodes
See Picture 2-7 For Specifications Datasheet
Pack In A ESD Bag With Main Specs Label,for Long Time Protection And Indetification.
#TOP 7

70pcs SMD Diode Pack by Reland Sun

70pcs SMD Diode Pack by Reland Sun Cover
Reland Sun 70pcs 7 Values SMD Diode Pack Electronic Components Kit 10pcs Each Value M1(1N4001) M4(1N4004) M7(1N4007) SS14 US1M RS1M SS34

The Reland Sun Diode Pack includes seven different values of diodes, with ten pieces of each type. This variety allows you to easily select the appropriate diode for your electronic projects. The M1 (1N4001), M4 (1N4004), and M7 (1N4007) diodes are perfect for rectification tasks, ensuring reliable performance. Additionally, the SS14, RS1M, US1M, and SS34 diodes cater to diverse circuit needs, providing versatility and convenience for your work. Having this assortment on hand makes it easier for you to tackle any electronic challenge.

What We Like
Comprehensive variety of diodes
Includes popular diode types
Convenient pack size
Suitable for various projects
Reliable performance
#TOP 8

50Pcs 0.5W SMD Zener Diodes LL34

708310525847
2.4V
50Pcs 0.5W SMD Zener Diodes LL34 Cover
50Pcs 0.5W SMD Zener Diode LL34 LL-34 ZMM (2.4V)

The Reland Sun Zener Diodes are a pack of 50 pieces, each with a power rating of 0.5W. These diodes are designed to help regulate voltage in your electronic projects, ensuring stable operation. With the LL34 model, they are particularly useful for applications requiring precise voltage clamping. Their surface-mount design makes them easy to incorporate into various circuit boards, providing you with convenience and efficiency in your designs.

What We Like
High power rating
Pack of 50 pieces
Surface-mount design
Voltage regulation
#TOP 9

Chanzon SMD Zener Diode 0.5W 2V ZMM2V0 LL-34 0.5 Watt 2 Volt Silicon Glass Zener Diodes

ZMM2V0 x 100 Pieces
Chanzon SMD Zener Diode 0.5W 2V ZMM2V0 LL-34 0.5 Watt 2 Volt Silicon Glass Zener Diodes Cover
(Pack of 100 Pieces) Chanzon SMD Zener Diode 0.5W 2V ZMM2V0 LL-34 (SOD-80 MiniMELF / 1206) 0.5 Watt 2 Volt Silicon Glass Zener Diodes

Features
Lead-Free / RoHS Compliant Electronics Component / Through Hole
ZMM 2V0 SOD-80 (DO-213AC) 500mW - 2 V
Surface Mount SMT Zener Voltage Diodes
See Picture 2-7 For Specifications Datasheet
Pack In A ESD Bag With Main Specs Label,for Long Time Protection And Indetification.
#TOP 10

BOJACK 600 pcs 1W Zener Diodes Kit

BJ-30V-300P
BOJACK 600 pcs 1W Zener Diodes Kit Cover
BOJACK 30 Values 600 pcs 1W Zener Diodes Assortment Kit

The BOJACK Zener Diodes Kit includes 600 pieces of various voltage Zener diodes, making it a great addition for anyone involved in electronics. With 30 different voltage values ranging from 3V to 47V, you will have the right component for your projects. The anti-static packaging ensures that your diodes are stored safely and remain undamaged. Being lead-free and RoHS compliant, this kit is suitable for environmentally conscious users. Whether you're developing products or conducting experiments, this assortment will meet your needs effectively.

What We Like
Diverse voltage options available
Safe anti-static packaging
Environmentally friendly components
Ideal for various applications
Convenient storage solution
Buying Guide Image
Editor's Notes

During our smd zener diode research, we found 29 smd zener diode products and shortlisted 10 quality products. We collected and analyzed 5,835 customer reviews through our big data system to write the smd zener diodes list. We found that most customers choose smd zener diodes with an average price of £4.91.

The smd zener diodes are available for purchase. We have researched hundreds of brands and picked the top brands of smd zener diodes, including Fasizi, CHANZON, DollaTek, Reland Sun, BOJACK.

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.