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. 145-1967
FabrikantnummerTZMB6V8-GS08
FabrikantVishay
€ 0,036
Each (On a Reel of 2500)
Aantal stuks
Single 6.8V Surface Mount 1 500 mW MiniMELF Voltage Regulator 2% 2 5mA 100nA 3.7 x 1.6 x 1.6mm -
RS-stocknr. 802-4675
FabrikantnummerMM5Z24VT1G
FabrikantON Semiconductor
€ 0,011
Each (On a Tape of 200)
Aantal stuks
Single 24V Surface Mount 1 500 mW SOD-523 Voltage Regulator 5% 2 5mA 70Ω 50nA 1.3 x 0.9 x 0.7mm -
RS-stocknr. 545-3083
FabrikantnummerMMSZ5235BT1G
FabrikantON Semiconductor
€ 0,127
Each (In a Pack of 20)
Aantal stuks
Single 6.8V Surface Mount 1 500 mW SOD-123 Voltage Regulator 5% 2 20mA 3µA 2.69 x 1.6 x 1.12mm -
RS-stocknr. 2508955352
FabrikantnummerNTE5198A
FabrikantNTE Electronics
€ 14,22
Each
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RS-stocknr. 2508962754
FabrikantnummerNTE5254A
FabrikantNTE Electronics
€ 23,70
Each
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- - - - - - - - - - - - - -
RS-stocknr. 2508405585
FabrikantnummerNTE5015A
FabrikantNTE Electronics
€ 0,49
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