Zener Diodes

A Zener diode is a type of semiconductor diode that is different to a normal diode as it allows current to flow from its anode to its cathode in either a forward or reverse direction, but only when exposed to enough voltage. Zener diodes have been designed to work reliably in the breakdown region, unlike normal diodes which would overheat. They are the most common and the handiest solutions to a number of needs in a circuit design.

Zener diodes are designed to change the direction of current flow once the voltage reaches a specific, defined voltage level. This also means that Zener diodes can operate continuously in a breakdown mode. The voltage level that that change a direction of flow is called Zener Voltage or Breakdown Voltage. It could be defined for specific diodes anywhere from 1.8 to 200 V.

Key attributes of a Zener diode are:

• Device configuration including a dual or common anode
• Type of Zener, including avalanche or voltage regulator
• Voltage tolerance
• Voltage drift with temperature
• Impedance (max)

What is a typical application of Zener diodes?
Zener diodes are used in all kinds of electronic equipment and are used to protect circuits from overvoltage and electrostatic discharge or for switching applications. They are one of the basic building blocks of electronic circuits.

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Description Price Diode Configuration Nominal Zener Voltage Mounting Type Number of Elements per Chip Maximum Power Dissipation Package Type Zener Type Zener Voltage Tolerance Pin Count Test Current Maximum Zener Impedance Maximum Reverse Leakage Current Length Diameter
RS Stock No. 145-2285
Mfr. Part No.TZX5V1B-TR
BrandVishay
€0.023
Each (On a Reel of 10000)
units
Single 5V Through Hole 1 500 mW DO-35 Voltage Regulator 2% 2 5mA 100Ω 5µA 3.9mm 1.7mm
RS Stock No. 654-7640
Mfr. Part No.1N5359BRLG
€0.412
Each (In a Pack of 5)
units
Single 24V Through Hole 1 5 W DO-15 Voltage Regulator 5% 2 50mA 3.5Ω 500nA 8.89mm -
RS Stock No. 759-8882
Mfr. Part No.BZX85C5V6
€0.064
Each (In a Pack of 100)
units
Single 5.6V Through Hole 1 1 W DO-41 Voltage Regulator 5% 2 45mA 1µA 5.2mm 2.72mm
RS Stock No. 818-5099
Mfr. Part No.TZX5V1B-TR
BrandVishay
€0.064
Each (In a Pack of 200)
units
Single 5V Through Hole 1 500 mW DO-35 Voltage Regulator 2% 2 5mA 100Ω 5µA 3.9mm 1.7mm
RS Stock No. 163-1933
Mfr. Part No.1N5387BRLG
€0.095
Each (On a Reel of 4000)
units
Single 190V Through Hole 1 5 W DO-15 Voltage Regulator 5% 2 5mA 450Ω 500nA - 3.68mm
RS Stock No. 102-1396
Mfr. Part No.1N5359BG
€0.125
Each (In a Box of 1000)
units
Single 24V Through Hole 1 5 W DO-15 Voltage Regulator 5% 2 50mA 3.5Ω 500nA 8.89mm -
RS Stock No. 670-8867
Mfr. Part No.BZX85C15
€0.163
Each (In a Pack of 20)
units
Single 15V Through Hole 1 1 W DO-41 - 5% 2 15mA 15Ω 500nA 5.21mm -
RS Stock No. 856-342
Mfr. Part No.BZY93C24
BrandMagnatec
€15.52
Each
units
Single 24V Panel Mount 1 20 W DO-4 General Purpose 20% 2 500mA 50µA 31.8mm -
RS Stock No. 463-808
Mfr. Part No.1N5359BG
€0.318
Each (In a Pack of 10)
units
Single 24V Through Hole 1 5 W DO-15 Voltage Regulator 5% 2 50mA 3.5Ω 500nA 8.89mm -
RS Stock No. 169-8570
Mfr. Part No.BZX85C5V6
€0.082
Each (In a Bag of 1000)
units
Single 5.6V Through Hole 1 1 W DO-41 Voltage Regulator 5% 2 45mA 1µA 5.2mm 2.72mm
RS Stock No. 169-8526
Mfr. Part No.BZX85C15
€0.042
Each (In a Bag of 1000)
units
Single 15V Through Hole 1 1 W DO-41 - 5% 2 15mA 15Ω 500nA 5.21mm -
RS Stock No. 634-1650
Mfr. Part No.SML4738-E3/61
BrandVishay
€0.096
Each (In a Pack of 5)
units
Single 8.2V Surface Mount 1 1 W DO-214AC - 10% 2 31mA 4.5Ω 10µA 4.5mm -
RS Stock No. 165-2348
Mfr. Part No.SML4738-E3/61
BrandVishay
€0.085
Each (On a Reel of 1800)
units
Single 8.2V Surface Mount 1 1 W DO-214AC - 10% 2 31mA 4.5Ω 10µA 4.5mm -
RS Stock No. 544-3604
Mfr. Part No.BZX79-C5V6,113
BrandNexperia
€0.107
Each (In a Pack of 20)
units
Single 5.6V Through Hole 1 500 mW DO-35 Voltage Regulator 5% 2 5mA 40Ω 1µA 4.25mm -
RS Stock No. 103-3919
Mfr. Part No.1N5359BRLG
€0.111
Each (On a Reel of 4000)
units
Single 24V Through Hole 1 5 W DO-15 Voltage Regulator 5% 2 50mA 3.5Ω 500nA 8.89mm -
RS Stock No. 145-2009
Mfr. Part No.ZM4734A-GS08
BrandVishay
€0.063
Each (On a Reel of 1500)
units
Single 5.6V Surface Mount 1 1 W DO-213AB General Purpose 5% 2 45mA 10µA 5.2mm 2.6mm
RS Stock No. 103-5050
Mfr. Part No.1SMA5919BT3G
€0.076
Each (On a Reel of 5000)
units
Single 5.6V Surface Mount 1 500 mW SMA Voltage Regulator 5% 2 66.9mA 2.5µA 4.32mm -
RS Stock No. 818-5061
Mfr. Part No.TZX3V9C-TR
BrandVishay
€0.063
Each (In a Pack of 200)
units
Single 4V Through Hole 1 500 mW DO-35 Voltage Regulator 3% 2 5mA 100Ω 5µA 3.9mm 1.7mm
RS Stock No. 800-8813
Mfr. Part No.1N5924BRLG
€0.268
Each (In a Pack of 50)
units
Single 9.1V Through Hole 1 3 W Case 59-10 Voltage Regulator 5% 2 41.2mA 4 Ω, 500 Ω 500nA - 2.7mm
RS Stock No. 103-5051
Mfr. Part No.1SMA5927BT3G
€0.075
Each (On a Reel of 5000)
units
Single 12V Surface Mount 1 1.5 W SMA Voltage Regulator 5% 2 31.2mA 6.5Ω 500nA 4.32mm -
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