Zener Diodes

Zener diodes are a type of semiconductor device that has different characteristics to 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 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.

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. 146-0354
FabrikantnummerPDZ6.2B,115
FabrikantNexperia
€ 0,011
Each (On a Reel of 3000)
Aantal stuks
Single 6.2V Surface Mount 1 400 mW SOD-323 Voltage Regulator 2% 2 5mA 50Ω 500nA 1.8 x 1.35 x 1.05mm -
RS-stocknr. 625-6473
Fabrikantnummer1N5373BRLG
FabrikantON Semiconductor
€ 0,382
Each (In a Pack of 5)
Aantal stuks
Single 68V Through Hole 1 5 W DO-15 Voltage Regulator 5% 2 20mA 44Ω 500nA 8.89 x 3.68 x 3.68mm -
RS-stocknr. 725-8247
FabrikantnummerPDZ6.2B,115
FabrikantNexperia
€ 0,012
Each (In a Pack of 100)
Aantal stuks
Single 6.2V Surface Mount 1 400 mW SOD-323 Voltage Regulator 2% 2 5mA 50Ω 500nA 1.8 x 1.35 x 1.05mm -
RS-stocknr. 800-8841
Fabrikantnummer1N5941BRLG
FabrikantON Semiconductor
€ 0,252
Each (In a Pack of 50)
Aantal stuks
Single 47V Through Hole 1 3 W Case 59-10 Voltage Regulator 5% 2 8mA 1000 Ω, 67Ω 250nA 2.7 (Dia.) x 5.2mm -
RS-stocknr. 163-1940
Fabrikantnummer1N5941BRLG
FabrikantON Semiconductor
€ 0,077
Each (On a Reel of 6000)
Aantal stuks
Single 47V Through Hole 1 3 W Case 59-10 Voltage Regulator 5% 2 8mA 67 Ω, 1000Ω 250nA 2.7 (Dia.) x 5.2mm -
RS-stocknr. 169-8635
Fabrikantnummer1N4743ATR
FabrikantON Semiconductor
€ 0,03
Each (On a Reel of 3000)
Aantal stuks
Single 13V Through Hole 1 1 W DO-41 General Purpose 5% 2 19mA 10Ω 5µA 2.72 (Dia.) x 5.2mm -
RS-stocknr. 805-0078
Fabrikantnummer1N4743ATR
FabrikantON Semiconductor
€ 0,056
Each (In a Pack of 100)
Aantal stuks
Single 13V Through Hole 1 1 W DO-41 General Purpose 5% 2 19mA 10Ω 5µA 2.72 (Dia.) x 5.2mm -
RS-stocknr. 103-3899
Fabrikantnummer1N5373BRLG
FabrikantON Semiconductor
€ 0,095
Each (On a Reel of 4000)
Aantal stuks
Single 68V Through Hole 1 5 W DO-15 Voltage Regulator 5% 2 20mA 44Ω 500nA 8.89 x 3.68 x 3.68mm -
RS-stocknr. 816-6701
FabrikantnummerPDZ24B,115
FabrikantNexperia
€ 0,052
Each (On a Tape of 200)
Aantal stuks
Single 24V Surface Mount 1 400 mW SOD-323 Voltage Regulator 2% 2 5mA - 50nA 1.8 x 1.35 x 1.05mm -
RS-stocknr. 463-278
Fabrikantnummer1N5349BG
FabrikantON Semiconductor
€ 0,28
Each (In a Pack of 10)
Aantal stuks
Single 12V Through Hole 1 5 W 017AA-01 Voltage Regulator ±5% 2 100mA 2.5Ω 2µA 8.89 x 3.68 x 3.68mm -
RS-stocknr. 100-7582
Fabrikantnummer1N5349BG
FabrikantON Semiconductor
€ 0,103
Each (In a Box of 1000)
Aantal stuks
Single 12V Through Hole 1 5 W DO-15 Voltage Regulator 5% 2 100mA 2.5Ω 2µA 8.89 x 3.68 x 3.68mm -
RS-stocknr. 625-6568
Fabrikantnummer1N5349BRLG
FabrikantON Semiconductor
€ 0,28
Each (In a Pack of 10)
Aantal stuks
Single 12V Through Hole 1 5 W DO-15 Voltage Regulator 5% 2 100mA 2.5Ω 2µA 8.89 x 3.68 x 3.68mm -
RS-stocknr. 146-2264
Fabrikantnummer1N4749A R0
€ 0,075
Each (On a Reel of 5000)
Aantal stuks
Single 24V Through Hole 1 1 W DO-41 Voltage Regulator 5% 2 10.5mA 25Ω 5µA 5.2 x 2.7 x 2.7mm -
RS-stocknr. 103-3903
Fabrikantnummer1N5349BRLG
FabrikantON Semiconductor
€ 0,096
Each (On a Reel of 4000)
Aantal stuks
Single 12V Through Hole 1 5 W DO-15 Voltage Regulator 5% 2 100mA 2.5Ω 2µA 8.89 x 3.68 x 3.68mm -
RS-stocknr. 687-5478
Fabrikantnummer1N4749A R0
€ 0,346
Each (In a Pack of 50)
Aantal stuks
Single 24V Through Hole 1 1 W DO-41 Voltage Regulator 5% 2 10.5mA 25Ω 5µA 5.2 x 2.7 x 2.7mm -
RS-stocknr. 145-1961
FabrikantnummerBZM55C18-TR
FabrikantVishay
€ 0,033
Each (On a Reel of 2500)
Aantal stuks
Single 18V Surface Mount 1 500 mW MicroMELF Voltage Regulator 6% 2 5mA 50Ω 100nA 2 x 1.2 x 1.2mm -
RS-stocknr. 163-1970
Fabrikantnummer1SMB5928BT3G
FabrikantON Semiconductor
€ 0,075
Each (On a Reel of 2500)
Aantal stuks
Single 13V Surface Mount 1 3 W SMB Voltage Regulator 5% 2 28.8mA 1µA 4.6 x 3.95 x 2.28mm -
RS-stocknr. 146-0538
FabrikantnummerPDZ24B,115
FabrikantNexperia
€ 0,024
Each (On a Reel of 3000)
Aantal stuks
Single 24V Surface Mount 1 400 mW SOD-323 Voltage Regulator 2% 2 5mA - 50nA 1.8 x 1.35 x 1.05mm -
RS-stocknr. 508-327
FabrikantnummerBZX384-C15,115
FabrikantNexperia
€ 0,056
Each (In a Pack of 200)
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Single 15V Surface Mount 1 300 mW UMD Voltage Regulator 5% 2 5mA 30Ω 50nA 1.8 x 1.35 x 1.05mm -
RS-stocknr. 792-5414
Fabrikantnummer1SMB5928BT3G
FabrikantON Semiconductor
€ 0,239
Each (In a Pack of 20)
Aantal stuks
Single 13V Surface Mount 1 3 W SMB Voltage Regulator 5% 2 28.8mA 1µA 4.6 x 3.95 x 2.28mm -