Best Do 204Al Zener Diodes in 2026

Daisy
Last Updated: Jul 18, 2026

At a Glance: Our Top Picks for Do 204Al Zener Diodes

20PCS 1N4733A 1N4733 Silicon Planar Power Zener Diode 1W 5.1V DO-41 (DO-204AL) Axial Diodes 1 Watt 5.1 Volt
#TOP1
20Pcs 1N4733A 1N4733 Silicon Planar Power Zener Diode
9.7
PM SCORE
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20PCS 1N4744A 1N4744 Silicon Planar Power Zener Diode 1W 15V DO-41 (DO-204AL) Axial Diodes 1 Watt 15 Volt
#TOP2
20Pcs 1N4744A 1N4744 Silicon Planar Power Zener Diode
9.7
PM SCORE
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100PCS 1N4742A 1N4742 Silicon Planar Power Zener Diode 1W 12V DO-41 (DO-204AL) Axial Diodes 1 Watt 12 Volt
#TOP3
100Pcs 1N4742A 1N4742 Silicon Planar Power Zener Diode
9.7
PM SCORE
Read Review

* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.

Summary of the Best Do 204Al Zener Diodes of 2026

Market Overview
Do 204Al Zener Diodes Reviewed
  • Reviews Analyzed: 544 Items
  • PM Avg. Rating: 4.7 / 10
19 Products Evaluated
  • Highest Price: $7.99
  • Lowest Price: $4.99
  • Avg. Price: $6.02
#TOP1
Best Zener Diodes

20Pcs 1N4733A 1N4733 Silicon Planar Power Zener Diode 1W 5.1V Do-41 (Do-204Al) Axial Diodes 1 Watt 5.1 Volt

HUABAN
HB-ZENER-DIODE-1N4733A-20PCS

Reviews for HUABAN (PM Score)

9.7
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Customer Reviews
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
SHENZHEN ERIC ELECTRONICS TECHNOLOGY LIMITED 9.51 ✅ ✅ ✅

Features

Part Number: 1N4733A

Lead-Free / RoHS Compliant Electronics Component / Through Hole

Power Dissipation : 1W ; Zener Voltage:5.1V

Items are pack in a ESD Bag with Main Specs Label

Package Quantity: 20PCS

#TOP2
Best For Do 15

20Pcs 1N4744A 1N4744 Silicon Planar Power Zener Diode 1W 15V Do-41 (Do-204Al) Axial Diodes 1 Watt 15 Volt

HUABAN
HB-ZENER-DIODE-1N4744A-20PCS

Reviews for HUABAN (PM Score)

9.7
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Customer Reviews
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
SHENZHEN ERIC ELECTRONICS TECHNOLOGY LIMITED 9.66 ✅ ✅ ✅

Features

Part Number: 1N4744A

Lead-Free / RoHS Compliant Electronics Component / Through Hole

Power Dissipation : 1W ; Zener Voltage:15V

Items are pack in a ESD Bag with Main Specs Label

Package Quantity: 20PCS

#TOP3

100Pcs 1N4742A 1N4742 Silicon Planar Power Zener Diode 1W 12V Do-41 (Do-204Al) Axial Diodes 1 Watt 12 Volt

HUABAN
HB-ZENER-DIODE-1N4742A-100PCS

Reviews for HUABAN (PM Score)

9.7
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Customer Reviews
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
SHENZHEN ERIC ELECTRONICS TECHNOLOGY LIMITED 9.57 ✅ ✅ ✅

Features

Part Number: 1N4742A

Lead-Free / RoHS Compliant Electronics Component / Through Hole

Power Dissipation : 1W ; Zener Voltage:12V

Items are pack in a ESD Bag with Main Specs Label

Package Quantity: 100PCS

#TOP4
Best For Do 41

(Pack Of 100 Pieces) Chanzon 1N4733A 1N4733 Power Zener Diode 1W 5.1V Do-41 (Do-204Al) Axial Diodes 1 Watt 5.1 Volt 5V1

CHANZON
1N4733A-DO-41-100
6.69 X 5.12 X 0.59 Inches

Reviews for CHANZON (PM Score)

6.0
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Customer Reviews
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Chanzon 9.92 ❌ ❌ ❌

Features

IN4733A (4733A) 1Watt - 5.1 V

Lead-Free / RoHS Compliant Electronics Component / Through Hole

Very Sharp Reverse Characteristic / Low Reverse Current Level / Very High Stability

See Picture 2-7 for Specifications Datasheet

Pack in a ESD Bag with Main Specs Label, for Long Time Protection and Indetification.

#TOP5
Best For Do 41

(Pack Of 100 Pieces) Chanzon 1N4742A 1N4742 Power Zener Diode 1W 12V Do-41 (Do-204Al) Axial Diodes 1 Watt 12 Volt

CHANZON
1N4742A-DO-41-100
6.69 X 5.12 X 0.59 inches

Reviews for CHANZON (PM Score)

5.6
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Customer Reviews
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Chanzon 9.92 ❌ ❌ ❌

Features

IN4742A (4742A) 1Watt - 12 V

Lead-Free / RoHS Compliant Electronics Component / Through Hole

Very Sharp Reverse Characteristic / Low Reverse Current Level / Very High Stability

See Picture 2-7 for Specifications Datasheet

Pack in a ESD Bag with Main Specs Label, for Long Time Protection and Indetification.

#TOP6

(Pack Of 100 Pieces) Chanzon 1N4739A 1N4739 Power Zener Diode 1W 9.1V Do-41 (Do-204Al) Axial Diodes 1 Watt 9.1 Volt 9V1

CHANZON
1N4739A-DO-41-100
6.69 X 5.12 X 0.59 Inches

Reviews for CHANZON (PM Score)

5.2
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Customer Reviews
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Chanzon 9.92 ❌ ❌ ❌

Features

IN4739A (4739A) 1Watt - 9.1 V

Lead-Free / RoHS Compliant Electronics Component / Through Hole

Very Sharp Reverse Characteristic / Low Reverse Current Level / Very High Stability

See Picture 2-7 for Specifications Datasheet

Pack in a ESD Bag with Main Specs Label, for Long Time Protection and Indetification.

#TOP7
Best For Do 41 Best For Do 15

(Pack Of 100 Pieces) Chanzon 1N4744A 1N4744 Power Zener Diode 1W 15V Do-41 (Do-204Al) Axial Diodes 1 Watt 15 Volt

CHANZON
1N4744A-DO-41-100
6.69 X 5.12 X 0.59 Inches

Reviews for CHANZON (PM Score)

5.2
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Customer Reviews
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Chanzon 9.92 ❌ ❌ ❌

Features

IN4744A (4744A) 1Watt - 15 V

Lead-Free / RoHS Compliant Electronics Component / Through Hole

Very Sharp Reverse Characteristic / Low Reverse Current Level / Very High Stability

See Picture 2-7 for Specifications Datasheet

Pack in a ESD Bag with Main Specs Label, for Long Time Protection and Indetification.

#TOP8
Best For Do 15

(20Pcs) 2Ez15D5 Diode Zener 15V 2W Do-41 2Ez15 2Ez15D

SICSTOCK
2EZ15D5

Reviews for SICSTOCK (PM Score)

5.2
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Customer Reviews
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
❌ ❌ ❌

Features

Part NO.:2EZ15D5

Package:DO-41 (DO-204AL)

Description:DIODE ZENER 15V 2W DO-41

Number of Items:20

Brand Name:SICSTOCK

#TOP9
Best For Do 41

(Pack Of 100 Pieces) Chanzon 1N4728A 1N4728 Power Zener Diode 1W 3.3V Do-41 (Do-204Al) Axial Diodes 1 Watt 3.3 Volt 3V3

CHANZON
1N4728A-DO-41-100
6.69 X 5.12 X 0.59 Inches

Reviews for CHANZON (PM Score)

5.1
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Customer Reviews
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Chanzon 9.92 ❌ ❌ ❌

Features

IN4728A (4728A) 1Watt - 3.3 V

Lead-Free / RoHS Compliant Electronics Component / Through Hole

Very Sharp Reverse Characteristic / Low Reverse Current Level / Very High Stability

See Picture 2-7 for Specifications Datasheet

Pack in a ESD Bag with Main Specs Label, for Long Time Protection and Indetification.

#TOP10
Best For Do 41

(Pack Of 100 Pieces) Chanzon 1N4740A 1N4740 Power Zener Diode 1W 10V Do-41 (Do-204Al) Axial Diodes 1 Watt 10 Volt

CHANZON
1N4740A-DO-41-100
6.69 X 5.12 X 0.59 Inches

Reviews for CHANZON (PM Score)

5.1
Check on Amazon
Customer Reviews
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Chanzon 9.92 ❌ ❌ ❌

Features

IN4740A (4740A) 1Watt - 10 V

Lead-Free / RoHS Compliant Electronics Component / Through Hole

Very Sharp Reverse Characteristic / Low Reverse Current Level / Very High Stability

See Picture 2-7 for Specifications Datasheet

Pack in a ESD Bag with Main Specs Label, for Long Time Protection and Indetification.

#TOP11

(Pack Of 100 Pieces) Chanzon 1N4730A 1N4730 Power Zener Diode 1W 3.9V Do-41 (Do-204Al) Axial Diodes 1 Watt 3.9 Volt 3V9

CHANZON
1N4730A-DO-41-100
6.69 X 5.12 X 0.59 inches

Reviews for CHANZON (PM Score)

5.1
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Customer Reviews
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Chanzon 9.92 ❌ ❌ ❌

Features

IN4730A (4730A) 1Watt - 3.9 V

Lead-Free / RoHS Compliant Electronics Component / Through Hole

Very Sharp Reverse Characteristic / Low Reverse Current Level / Very High Stability

See Picture 2-7 for Specifications Datasheet

Pack in a ESD Bag with Main Specs Label, for Long Time Protection and Indetification.

#TOP12
Best For Do 41

(Pack Of 100 Pieces) Chanzon 1N4736A 1N4736 Power Zener Diode 1W 6.8V Do-41 (Do-204Al) Axial Diodes 1 Watt 6.8 Volt 6V8

CHANZON
1N4736A-DO-41-100
6.69 X 5.12 X 0.59 Inches

Reviews for CHANZON (PM Score)

5.1
Check on Amazon
Customer Reviews
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Chanzon 9.92 ❌ ❌ ❌

Features

IN4736A (4736A) 1Watt - 6.8 V

Lead-Free / RoHS Compliant Electronics Component / Through Hole

Very Sharp Reverse Characteristic / Low Reverse Current Level / Very High Stability

See Picture 2-7 for Specifications Datasheet

Pack in a ESD Bag with Main Specs Label, for Long Time Protection and Indetification.

#TOP13
Best For Do 41

(Pack Of 100 Pieces) Chanzon 1N4749A 1N4749 Power Zener Diode 1W 24V Do-41 (Do-204Al) Axial Diodes 1 Watt 24 Volt

CHANZON
1N4749A-DO-41-100
6.69 X 5.12 X 0.59 Inches

Reviews for CHANZON (PM Score)

4.7
Check on Amazon
Customer Reviews
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Chanzon 9.92 ❌ ❌ ❌

Features

IN4749A (4749A) 1Watt - 24 V

Lead-Free / RoHS Compliant Electronics Component / Through Hole

Very Sharp Reverse Characteristic / Low Reverse Current Level / Very High Stability

See Picture 2-7 for Specifications Datasheet

Pack in a ESD Bag with Main Specs Label, for Long Time Protection and Indetification.

#TOP14
Best For Do 41

(20Pcs) 2Ez10D5 Diode Zener 10V 2W Do-41 2Ez10 2Ez10D

SICSTOCK
2EZ10D5

Reviews for SICSTOCK (PM Score)

4.2
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Customer Reviews
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
❌ ❌ ❌

Features

Part NO.:2EZ10D5

Package:DO-41 (DO-204AL)

Description:DIODE ZENER 10V 2W DO-41

Number of Items:20

Brand Name:SICSTOCK

#TOP15
Best For Do 41

(Pack Of 100 Pieces) Chanzon 1N4734A 1N4734 Power Zener Diode 1W 5.6V Do-41 (Do-204Al) Axial Diodes 1 Watt 5.6 Volt 5V6

CHANZON
1N4734A-DO-41-100
6.69 X 5.12 X 0.59 Inches

Reviews for CHANZON (PM Score)

4.2
Check on Amazon
Customer Reviews
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Chanzon 9.92 ❌ ❌ ❌

Features

IN4734A (4734A) 1Watt - 5.6 V

Lead-Free / RoHS Compliant Electronics Component / Through Hole

Very Sharp Reverse Characteristic / Low Reverse Current Level / Very High Stability

See Picture 2-7 for Specifications Datasheet

Pack in a ESD Bag with Main Specs Label, for Long Time Protection and Indetification.

#TOP16

Microsemi Jantx1N4471 Jantx Series 18 V ±5% 1.5 W Through Hole Glass Zener Diode - Do-204Al (Do-41) - 1 Item(S)

MICROSEMI
JANTX1N4471

Reviews for MICROSEMI (PM Score)

0.0
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❌ ❌ ❌

Features

PowerDissipationLimit-Max: 1.5 W

WorkingVoltage-Nom: 18 V

ForwardCurrent: 1 A

ForwardVoltage: 1.5 V

ReverseCurrentMax: 0.05 µA

#TOP17

Microsemi Jantx1N4487 Jantx Series 82 V ±5% 1.5 W Through Hole Glass Zener Diode - Do-204Al - 1 Item(S)

MICROSEMI
JANTX1N4487

Reviews for MICROSEMI (PM Score)

0.0
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❌ ❌ ❌

Features

PowerDissipationLimit-Max: 1.5 W

WorkingVoltage-Nom: 82 V

ForwardCurrent: 1 A

ForwardVoltage: 1.5 V

ReverseCurrentMax: 0.25 µAVoltageTolerance: 5 %; Impedance: 160 Ω; OperatingTempRange: -65 to +175 °C; ZenerCurrent: 17 mA; ConfigurationTransistors: Single; Dimension: 4.06 x Ø 2.16 mm; NumberofTerminals: 2;

#TOP18

(Pack Of 100 Pieces) Chanzon 1N4743A 1N4743 Power Zener Diode 1W 13V Do-41 (Do-204Al) Axial Diodes 1 Watt 13 Volt

CHANZON
1N4743A-DO-41-100
6.69 X 5.12 X 0.59 inches

Reviews for CHANZON (PM Score)

0.0
Check on Amazon
Customer Reviews
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Chanzon 9.92 ❌ ❌ ❌

Features

IN4743A (4743A) 1Watt - 13 V

Lead-Free / RoHS Compliant Electronics Component / Through Hole

Very Sharp Reverse Characteristic / Low Reverse Current Level / Very High Stability

See Picture 2-7 for Specifications Datasheet

Pack in a ESD Bag with Main Specs Label, for Long Time Protection and Indetification.

#TOP19
Best For Do 41

(Pack Of 100 Pieces) Chanzon 1N4731A 1N4731 Power Zener Diode 1W 4.3V Do-41 (Do-204Al) Axial Diodes 1 Watt 4.3 Volt 4V3

CHANZON
1N4731A-DO-41-100
6.69 X 5.12 X 0.59 Inches

Reviews for CHANZON (PM Score)

0.0
Check on Amazon
Customer Reviews
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Chanzon 9.92 ❌ ❌ ❌

Features

IN4731A (4731A) 1Watt - 4.3 V

Lead-Free / RoHS Compliant Electronics Component / Through Hole

Very Sharp Reverse Characteristic / Low Reverse Current Level / Very High Stability

See Picture 2-7 for Specifications Datasheet

Pack in a ESD Bag with Main Specs Label, for Long Time Protection and Indetification.

Related
Top 10

Top 10 zener diodes do 204al Brands on Amazon

Here is the list of top-rated brands that were evaluated by PM.

Brand Count
Chanzon 12
Huaban 3
Microsemi 2
Sicstock 2

Top 10 zener diodes do 204al Brands Pie Chart

We've carried out a comprehensive analysis of 544 reviews on zener diodes do 204al, using our selection criteria to identify the best options in the electronic components. Our findings reveal that most customers typically select zener diodes do 204al priced around $6.02, with top brands including and chanzon

Our team of expert editors reviewed these high-quality items and handpicked the top 19 zener diodes do 204al for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the electronic components category. These include and chanzon .

We are dedicated to assisting our users in finding the right diodes Products based on their needs, saving them considerable time when choosing which zener diodes do 204al to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.