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. 508-365
FabrikantnummerBZX384-C18,115
FabrikantNexperia
€ 0,011
Each (In a Pack of 200)
Aantal stuks
Single 18V Surface Mount 1 300 mW UMD Voltage Regulator 5% 2 5mA 45Ω 50nA 1.8 x 1.35 x 1.05mm -
RS-stocknr. 166-1346
FabrikantnummerBZX384-C18,115
FabrikantNexperia
€ 0,009
Each (On a Reel of 3000)
Aantal stuks
Single 18V Surface Mount 1 300 mW UMD Voltage Regulator 5% 2 5mA 45Ω 50nA 1.8 x 1.35 x 1.05mm -
RS-stocknr. 170-3537
Fabrikantnummer1N5337BRLG
FabrikantON Semiconductor
€ 0,101
Each (On a Reel of 4000)
Aantal stuks
Single 4.7V Through Hole 1 5 W - Voltage Regulator 5% 2 260mA 5µA 3.68 (Dia.) x 8.89mm -
RS-stocknr. 625-6552
Fabrikantnummer1N5337BG
FabrikantON Semiconductor
€ 0,291
Each (In a Pack of 10)
Aantal stuks
Single 4.7V Through Hole 1 5 W DO-15 Voltage Regulator 5% 2 260mA 5µA 8.89 x 3.68 x 3.68mm -
RS-stocknr. 166-0304
FabrikantnummerBZX79-C8V2,113
FabrikantNexperia
€ 0,012
Each (On a Reel of 10000)
Aantal stuks
Single 8.2V Through Hole 1 500 mW DO-35 Voltage Regulator 5% 2 5mA 15Ω 700nA 4.25 x 1.85 x 1.85mm -
RS-stocknr. 103-3902
Fabrikantnummer1N5337BG
FabrikantON Semiconductor
€ 0,115
Each (In a Box of 1000)
Aantal stuks
Single 4.7V Through Hole 1 5 W DO-15 Voltage Regulator 5% 2 260mA 5µA 8.89 x 3.68 x 3.68mm -
RS-stocknr. 544-4449
FabrikantnummerBZX79-C8V2,113
FabrikantNexperia
€ 0,096
Each (In a Pack of 20)
Aantal stuks
Single 8.2V Through Hole 1 500 mW DO-35 Voltage Regulator 5% 2 5mA 15Ω 700nA 4.25 x 1.85 x 1.85mm -
RS-stocknr. 738-5042
FabrikantnummerMMSZ5230B-7-F
FabrikantDiodesZetex
€ 0,059
Each (In a Pack of 100)
Aantal stuks
Single 4.7V Surface Mount 1 500 mW SOD-123 Voltage Regulator 5% 2 20mA 19Ω 5µA 2.85 x 1.7 x 1.35mm -
RS-stocknr. 800-8853
Fabrikantnummer1N5946BRLG
FabrikantON Semiconductor
€ 0,252
Each (In a Pack of 25)
Aantal stuks
Single 75V Through Hole 1 3 W Case 59-10 Voltage Regulator 5% 2 5mA 140Ω 250nA 2.7 (Dia.) x 5.2mm -
RS-stocknr. 166-0302
FabrikantnummerBZX79-C4V3,113
FabrikantNexperia
€ 0,016
Each (On a Reel of 10000)
Aantal stuks
Single 4.3V Through Hole 1 500 mW DO-35 Voltage Regulator 5% 2 5mA 90Ω 3µA 4.25 x 1.85 x 1.85mm -
RS-stocknr. 103-7573
FabrikantnummerBZX79-C3V3,113
FabrikantNexperia
€ 0,015
Each (On a Reel of 10000)
Aantal stuks
Single 3.3V Through Hole 1 500 mW DO-35 Voltage Regulator 5% 2 5mA 95Ω 5µA 4.25 x 1.85 x 1.85mm -
RS-stocknr. 170-3480
FabrikantnummerBZX84C15LT3G
FabrikantON Semiconductor
€ 0,017
Each (On a Reel of 10000)
Aantal stuks
Single 15V Surface Mount 1 225 mW SOT-23 Voltage Regulator 5% 3 5mA 30Ω 50nA 3.04 x 1.4 x 1.01mm -
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. 802-1856
FabrikantnummerMMSZ4704T1G
FabrikantON Semiconductor
€ 0,012
Each (On a Tape of 200)
Aantal stuks
Single 17V Surface Mount 1 500 mW SOD-123 Voltage Regulator - 2 0.05mA - 50nA 2.84 x 1.8 x 1.25mm -
RS-stocknr. 812-493
FabrikantnummerBZX85C13V
FabrikantMagnatec
€ 0,452
Each (In a Pack of 5)
Aantal stuks
Single 13V Through Hole 1 1.3 W DO-41 Voltage Regulator 5% 2 20mA 400Ω 500nA 2.5 (Dia.) x 4.1mm -
RS-stocknr. 792-5307
Fabrikantnummer1N5337BRLG
FabrikantON Semiconductor
€ 0,291
Each (In a Pack of 20)
Aantal stuks
Single 4.7V Through Hole 1 5 W - Voltage Regulator 5% 2 260mA 5µA 3.68 (Dia.) x 8.89mm -
RS-stocknr. 145-2265
FabrikantnummerZPY6V2-TR
FabrikantVishay
€ 0,053
Each (On a Reel of 5000)
Aantal stuks
Single 6.2V Through Hole 1 1.3 W DO-41 General Purpose 5% 2 100mA 500nA 2.6 (Dia.) x 5.2mm -
RS-stocknr. 103-5133
Fabrikantnummer1N5378BG
FabrikantON Semiconductor
€ 0,127
Each (In a Box of 1000)
Aantal stuks
Single 100V Through Hole 1 5 W Surmetic 40 Voltage Regulator 5% 2 12mA 800Ω 500nA 3.68 (Dia.) x 8.89mm -
RS-stocknr. 774-3313
Fabrikantnummer1N5378BG
FabrikantON Semiconductor
€ 0,339
Each (In a Pack of 10)
Aantal stuks
Single 100V Through Hole 1 5 W Surmetic 40 Voltage Regulator 5% 2 12mA 800Ω 500nA 3.68 (Dia.) x 8.89mm -
RS-stocknr. 818-5130
FabrikantnummerTZX6V2E-TR
FabrikantVishay
€ 0,012
Each (In a Pack of 200)
Aantal stuks
Single 6.4V Through Hole 1 500 mW DO-35 Voltage Regulator 2% 2 5mA 15Ω 1µA 1.7 (Dia.) x 3.9mm -