Zener Diodes

Zener diodes are a type of semiconductor device that has different characteristics from a normal diode. Zener diodes allow current to flow from its anode to its cathode in either a forward or reverse direction, but only when exposed to enough voltage.

How does a Zener diode work?

Zener diodes are designed to change the direction of the 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 changes the direction of flow is called Zener Voltage or Breakdown Voltage. It could be defined for specific diodes anywhere from 1.8 to 200 V.

Types of Zener diodes

Zener diodes are offered in an array of different configurations such as different levels of power dissipation, mount types, and different configurations.

There are also different types of Zener diodes such as:

  • Avalanche
  • Bi-Directional
  • ESD Protection
  • General Purpose
  • Ultra-small

Typical applications 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. Zener diodes work reliably in the breakdown region, unlike normal diodes which would overheat. They are the most common and handiest solutions to a number of needs in a circuit design.


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Omschrijving Prijs 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 Dimensions Automotive Standard
RS-stocknr. 103-7577
FabrikantnummerBZV55-C5V1,115
FabrikantNexperia
0,025 €
Each (On a Reel of 2500)
Aantal stuks
Single 5.1V Surface Mount 1 500 mW MiniMELF Voltage Regulator 5% 2 5mA 60Ω 2µA 3.7 x 1.6 x 1.6mm -
RS-stocknr. 654-7640
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FabrikantON Semiconductor
0,382 €
Each (In a Pack of 5)
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Single 24V Through Hole 1 5 W DO-15 Voltage Regulator 5% 2 50mA 3.5Ω 500nA 8.89 x 3.68 x 3.68mm -
RS-stocknr. 544-4540
FabrikantnummerBZV55-C5V1,115
FabrikantNexperia
0,128 €
Each (In a Pack of 10)
Aantal stuks
Single 5.1V Surface Mount 1 500 mW MiniMELF Voltage Regulator 5% 2 5mA 60Ω 2µA 3.7 x 1.6 x 1.6mm -
RS-stocknr. 654-7527
Fabrikantnummer1N5388BRLG
FabrikantON Semiconductor
0,388 €
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Aantal stuks
Single 200V Through Hole 1 5 W DO-15 Voltage Regulator 5% 2 5mA 480Ω 500nA 8.89 x 3.68 x 3.68mm -
RS-stocknr. 508-674
FabrikantnummerBZV55-B5V1,115
FabrikantNexperia
0,063 €
Each (In a Pack of 100)
Aantal stuks
Single 5.1V Surface Mount 1 500 mW MiniMELF Voltage Regulator 2% 2 5mA 60Ω 2µA 3.7 x 1.6 x 1.6mm -
RS-stocknr. 103-3901
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FabrikantON Semiconductor
0,108 €
Each (On a Reel of 4000)
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Single 150V Through Hole 1 5 W DO-15 Voltage Regulator 5% 2 8mA 330Ω 500nA 8.89 x 3.68 x 3.68mm -
RS-stocknr. 759-8882
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FabrikantON Semiconductor
0,072 €
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Single 5.6V Through Hole 1 1 W DO-41 Voltage Regulator 5% 2 45mA 1µA 2.72 (Dia.) x 5.2mm -
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FabrikantON Semiconductor
0,293 €
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Single 5.6V Through Hole 1 5 W DO-15 Voltage Regulator 5% 2 220mA 1µA 8.89 x 3.68 x 3.68mm -
RS-stocknr. 166-1453
FabrikantnummerBZV55-B5V1,115
FabrikantNexperia
0,034 €
Each (On a Reel of 7500)
Aantal stuks
Single 5.1V Surface Mount 1 500 mW MiniMELF Voltage Regulator 2% 2 5mA 60Ω 2µA 3.7 x 1.6 x 1.6mm -
RS-stocknr. 759-8719
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FabrikantON Semiconductor
0,012 €
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Single 20V Through Hole 1 500 mW DO-35 Voltage Regulator 5% 2 5mA 55Ω 50nA 1.91 (Dia.) x 4.56mm -
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FabrikantON Semiconductor
0,018 €
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Single 5.1V Surface Mount 1 300 mW SOT-23 Voltage Regulator 5% 3 20mA 17Ω 5µA 2.9 x 1.3 x 0.94mm -
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0,368 €
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Single 150V Through Hole 1 5 W DO-15 Voltage Regulator 5% 2 8mA 330Ω 500nA 8.89 x 3.68 x 3.68mm -
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Fabrikantnummer1N5383BG
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0,129 €
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Single 150V Through Hole 1 5 W Surmetic 40 Voltage Regulator 5% 2 8mA 330Ω 500nA 3.68 (Dia.) x 8.89mm -
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Single 6.2V Surface Mount 1 550 mW SOD-323F General Purpose 5% 2 5mA - 3µA 1.8 x 1.35 x 0.8mm -
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Single 13V Through Hole 1 500 mW DO-35 Voltage Regulator 6% 2 5mA 26Ω 2µA 1.7 (Dia.) x 3.9mm -
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FabrikantON Semiconductor
0,054 €
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Single 5.1V Through Hole 1 1 W DO-41 General Purpose 5% 2 49mA 10µA 2.72 (Dia.) x 5.2mm -
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Single 6.8V Through Hole 1 500 mW DO-35 Voltage Regulator 5% 2 5mA 15Ω 2µA 1.91 (Dia.) x 4.56mm -
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