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. 171-9502
Mfr. Part No.RF1489-000
BrandLittelfuse
€1.325
Each (On a Reel of 3000)
units
- - - - - - - - - - - - - -
RS Stock No. 867-5356
Mfr. Part No.ZEN056V075A48LS
BrandLittelfuse
€1.454
Each (In a Bag of 10)
units
Single 5.6V Surface Mount 1 800 mW - Polymer Protected - 3 3A - 10mA 4.15mm -
RS Stock No. 171-9504
Mfr. Part No.RF1493-000
BrandLittelfuse
€1.206
Each (On a Reel of 3000)
units
- - - - - - - - - - - - - -
RS Stock No. 867-5368
Mfr. Part No.ZEN132V075A48LS
BrandLittelfuse
€0.586
Each (In a Bag of 10)
units
Single 13.4V Surface Mount 1 800 mW - Polymer Protected - 3 3A - 5mA 4.15mm -
RS Stock No. 867-5365
Mfr. Part No.ZEN056V230A16LS
BrandLittelfuse
€0.36
Each (In a Bag of 10)
units
Single 5.6V Surface Mount 1 1 W - Polymer Protected - 3 5A - 10mA 4.15mm -
RS Stock No. 867-5362
Mfr. Part No.ZEN132V230A16LS
BrandLittelfuse
€0.586
Each (In a Bag of 10)
units
Single 13.4V Surface Mount 1 800 mW - Polymer Protected - 3 5A - 5mA 4.15mm -
RS Stock No. 164-8246
Mfr. Part No.ZEN056V075A48LS
BrandLittelfuse
€2,332.80
1 Tape of 3000
Tape(s)
Single 5.6V Surface Mount 1 800 mW - Polymer Protected - 3 3A - 10mA 4.15mm -
RS Stock No. 164-8248
Mfr. Part No.ZEN132V075A48LS
BrandLittelfuse
€2,069.71
1 Tape of 3000
Tape(s)
Single 13.4V Surface Mount 1 800 mW - Polymer Protected - 3 3A - 5mA 4.15mm -
RS Stock No. 164-8249
Mfr. Part No.ZEN132V230A16LS
BrandLittelfuse
€2,069.71
1 Tape of 3000
Tape(s)
Single 13.4V Surface Mount 1 800 mW - Polymer Protected - 3 5A - 5mA 4.15mm -
RS Stock No. 171-9567
Mfr. Part No.RF1489-000
BrandLittelfuse
€1.458
Each (In a Pack of 5)
units
- - - - - - - - - - - - - -
RS Stock No. 171-9570
Mfr. Part No.RF1493-000
BrandLittelfuse
€1.326
Each (In a Pack of 5)
units
- - - - - - - - - - - - - -