Zener Diodes

A Zener diode is a type of semiconductor diode that is different to a normal diode as it allows current to flow from its anode to its cathode in either a forward or reverse direction, but only when exposed to enough voltage. Zener diodes have been designed to work reliably in the breakdown region, unlike normal diodes which would overheat. They are the most common and the handiest solutions to a number of needs in a circuit design.

Zener diodes are designed to change the direction of 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 that change 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.

Key attributes of a Zener diode are:

• Device configuration including a dual or common anode
• Type of Zener, including avalanche or voltage regulator
• Voltage tolerance
• Voltage drift with temperature
• Impedance (max)

What is a typical application 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.

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Description Price 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 Length Diameter
RS Stock No. 138-6085
Mfr. Part No.B72724D0200A062
BrandEPCOS
$0.349
Each (On a Reel of 3000)
units
Array - Surface Mount 4 - 0612 (1632M) Transient Suppressor - 8 - - 1µA 3.4mm -
RS Stock No. 138-9248
Mfr. Part No.B72724D0160H062
BrandEPCOS
$0.627
Each (In a Bag of 20)
units
Array - Surface Mount 4 - 0612 (1632M) Transient Suppressor - 8 - - 1µA 3.4mm -
RS Stock No. 138-9250
Mfr. Part No.B72724D0200A062
BrandEPCOS
$0.627
Each (In a Bag of 20)
units
Array - Surface Mount 4 - 0612 (1632M) Transient Suppressor - 8 - - 1µA 3.4mm -
RS Stock No. 138-6084
Mfr. Part No.B72724D0160H062
BrandEPCOS
$1,046.25
1 Reel of 3000
Reel(s)
Isolated 16V Surface Mount 4 - 0612 (1632M) Transient Suppressor - 8 - - 1µA 3.4mm -