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. 463-284
Fabrikantnummer1N5347BG
FabrikantON Semiconductor
0,287 €
Each (In a Pack of 10)
Aantal stuks
Single 10V Through Hole 1 5 W 017AA-01 Voltage Regulator ±5% 2 125mA 5µA 8.89 x 3.68 x 3.68mm -
RS-stocknr. 100-7584
Fabrikantnummer1N5347BG
FabrikantON Semiconductor
0,11 €
Each (In a Box of 1000)
Aantal stuks
Single 10V Through Hole 1 5 W DO-15 Voltage Regulator 5% 2 125mA 5µA 8.89 x 3.68 x 3.68mm -
RS-stocknr. 102-2267
Fabrikantnummer1N5355BG
FabrikantON Semiconductor
0,113 €
Each (In a Box of 1000)
Aantal stuks
Single 18V Through Hole 1 5 W DO-15 Voltage Regulator 5% 2 65mA 2.5Ω 500nA 8.89 x 3.68 x 3.68mm -
RS-stocknr. 748-5051
FabrikantnummerBZX55C5V1 R0
0,11 €
Each (In a Pack of 200)
Aantal stuks
Single 5.1V Through Hole 1 500 mW DO-35 Voltage Regulator 6% 2 5mA 35Ω 100nA 2.1 (Dia.) x 3.7mm -
RS-stocknr. 103-3917
Fabrikantnummer1N5347BRLG
FabrikantON Semiconductor
0,102 €
Each (On a Reel of 4000)
Aantal stuks
Single 10V Through Hole 1 5 W DO-15 Voltage Regulator 5% 2 125mA 5µA 8.89 x 3.68 x 3.68mm -
RS-stocknr. 163-1928
Fabrikantnummer1N5353BRLG
FabrikantON Semiconductor
0,118 €
Each (On a Reel of 4000)
Aantal stuks
Single 16V Through Hole 1 5 W - Voltage Regulator 5% 2 75mA 2.5Ω 1µA 3.68 (Dia.) x 8.89mm -
RS-stocknr. 654-7583
Fabrikantnummer1N5347BRLG
FabrikantON Semiconductor
0,372 €
Each (In a Pack of 5)
Aantal stuks
Single 10V Through Hole 1 5 W DO-15 Voltage Regulator 5% 2 125mA 5µA 8.89 x 3.68 x 3.68mm -
RS-stocknr. 145-2666
FabrikantnummerMMSZ4683-E3-08
FabrikantVishay
0,03 €
Each (On a Reel of 3000)
Aantal stuks
Single 3V Surface Mount 1 500 mW SOD-123 General Purpose 5% 2 0.05mA - 800nA 2.85 x 1.7 x 1.25mm -
RS-stocknr. 508-103
FabrikantnummerBZX384-C3V3,115
FabrikantNexperia
0,061 €
Each (In a Pack of 200)
Aantal stuks
Single 3.3V Surface Mount 1 300 mW UMD Voltage Regulator 5% 2 5mA 95Ω 5µA 1.8 x 1.35 x 1.05mm -
RS-stocknr. 811-9843
FabrikantnummerMMSZ4683-E3-08
FabrikantVishay
0,075 €
Each (On a Tape of 300)
Aantal stuks
Single 3V Surface Mount 1 500 mW SOD-123 General Purpose 5% 2 0.05mA - 800nA 2.85 x 1.7 x 1.25mm -
RS-stocknr. 792-5313
Fabrikantnummer1N5353BRLG
FabrikantON Semiconductor
0,298 €
Each (In a Pack of 20)
Aantal stuks
Single 16V Through Hole 1 5 W - Voltage Regulator 5% 2 75mA 2.5Ω 1µA 3.68 (Dia.) x 8.89mm -
RS-stocknr. 146-2293
FabrikantnummerBZX55C5V1 R0
0,021 €
Each (On a Reel of 10000)
Aantal stuks
Single 5.1V Through Hole 1 500 mW DO-35 Voltage Regulator 6% 2 5mA 35Ω 100nA 2.1 (Dia.) x 3.7mm -
RS-stocknr. 166-1336
FabrikantnummerBZX384-C3V3,115
FabrikantNexperia
0,023 €
Each (On a Reel of 3000)
Aantal stuks
Single 3.3V Surface Mount 1 300 mW UMD Voltage Regulator 5% 2 5mA 95Ω 5µA 1.8 x 1.35 x 1.05mm -
RS-stocknr. 145-1992
FabrikantnummerBZX85B4V3-TR
FabrikantVishay
0,023 €
Each (On a Reel of 5000)
Aantal stuks
Single 4.3V Through Hole 1 1.3 W DO-41 General Purpose 2% 2 50mA 13Ω 3µA 2.6 (Dia.) x 4.1mm -
RS-stocknr. 163-2208
FabrikantnummerMMSZ4705T1G
FabrikantON Semiconductor
0,029 €
Each (On a Reel of 3000)
Aantal stuks
Single 18V Surface Mount 1 500 mW SOD-123 Voltage Regulator 5% 2 0.05mA - 50nA 2.84 x 1.8 x 1.25mm -
RS-stocknr. 812-8718
FabrikantnummerBZX85B4V3-TR
FabrikantVishay
0,022 €
Each (In a Pack of 200)
Aantal stuks
Single 4.3V Through Hole 1 1.3 W DO-41 General Purpose 2% 2 50mA 13Ω 3µA 2.6 (Dia.) x 4.1mm -
RS-stocknr. 687-8146
Fabrikantnummer1SMA5918BT3G
FabrikantON Semiconductor
0,223 €
Each (In a Pack of 10)
Aantal stuks
Single 5.1V Surface Mount 1 500 mW SMA Voltage Regulator 5% 2 73.5mA 2.5µA 4.32 x 2.6 x 2mm -
RS-stocknr. 122-0094
Fabrikantnummer1SMA5918BT3G
FabrikantON Semiconductor
0,076 €
Each (On a Reel of 5000)
Aantal stuks
Single 5.1V Surface Mount 1 500 mW SMA Voltage Regulator 5% 2 73.5mA 2.5µA 4.32 x 2.6 x 2mm -
RS-stocknr. 710-4247
FabrikantnummerBZX84C4V7-E3-08
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0,066 €
Each (In a Pack of 100)
Aantal stuks
Single 4.7V Surface Mount 1 300 mW SOT-23 - 5% 3 5mA 80Ω 3µA 3.1 x 1.43 x 1.05mm -
RS-stocknr. 748-5082
FabrikantnummerBZX85C6V2 R0
0,15 €
Each (In a Pack of 100)
Aantal stuks
Single 6.2V Through Hole 1 1.3 W DO-41 Voltage Regulator 5% 2 35mA 1µA 2.6 (Dia.) x 4.25mm -