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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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 Dimensions Automotive Standard
RS Stock No. 698-7035
Mfr. Part No.DZ2J056M0L
BrandPanasonic
SGD0.263
Each (In a Pack of 50)
units
Single 5.6V Surface Mount 1 200 mW SMini2 F5 B General Purpose 2.5% 2 5mA 200Ω 500nA 1.7 x 1.25 x 0.7mm -
RS Stock No. 168-3370
Mfr. Part No.DZ2J056M0L
BrandPanasonic
SGD0.106
Each (On a Reel of 3000)
units
Single 5.6V Surface Mount 1 200 mW SMini2 F5 B General Purpose 2.5% 2 5mA 200Ω 500nA 1.7 x 1.25 x 0.7mm -
RS Stock No. 760-3050
Mfr. Part No.DZ2W47000L
BrandPanasonic
SGD0.468
Each (In a Pack of 10)
units
Single 47V Surface Mount 1 1 W Mini2 F3 B Voltage Regulator 5% 2 5mA 65Ω 10µA 2.6 x 1.6 x 0.7mm -
RS Stock No. 169-7917
Mfr. Part No.DZ2W07500L
BrandPanasonic
SGD0.221
Each (On a Reel of 3000)
units
Single 7.5V Surface Mount 1 1 W Mini2 F3 B Voltage Regulator 5% 2 10mA 30Ω 10µA 2.6 x 1.6 x 0.7mm -
RS Stock No. 168-3386
Mfr. Part No.DZ2J03300L
BrandPanasonic
SGD0.12
Each (On a Reel of 3000)
units
Single 3.3V Surface Mount 1 200 mW SMini2 F5 B General Purpose 5% 2 5mA 130Ω 20µA 1.7 x 1.25 x 0.7mm -
RS Stock No. 703-3565
Mfr. Part No.DZ2J03300L
BrandPanasonic
SGD0.359
Each (In a Pack of 50)
units
Single 3.3V Surface Mount 1 200 mW SMini2 F5 B General Purpose 5% 2 5mA 130Ω 20µA 1.7 x 1.25 x 0.7mm -
RS Stock No. 760-2981
Mfr. Part No.DZ2W07500L
BrandPanasonic
SGD0.558
Each (On a Tape of 10)
units
Single 7.5V Surface Mount 1 1 W Mini2 F3 B Voltage Regulator 5% 2 10mA 30Ω 10µA 2.6 x 1.6 x 0.7mm -
RS Stock No. 169-7931
Mfr. Part No.DZ2W47000L
BrandPanasonic
SGD0.50
Each (On a Reel of 3000)
units
Single 47V Surface Mount 1 1 W Mini2 F3 B Voltage Regulator 5% 2 5mA 65Ω 10µA 2.6 x 1.6 x 0.7mm -
RS Stock No. 168-3687
Mfr. Part No.DZ3X068D0L
BrandPanasonic
SGD0.064
Each (On a Reel of 3000)
units
Common Anode 6.8V Surface Mount 2 200 mW Mini3 G3 B Transient Suppressor 5% 3 5mA 60Ω 100nA 2.9 x 1.5 x 1.1mm -
RS Stock No. 760-2849
Mfr. Part No.DZ2418000L
BrandPanasonic
SGD0.799
Each (In a Pack of 10)
units
Single 18V Surface Mount 1 2 W TMiniP2 F2 B Voltage Regulator 5% 2 10mA 30Ω 10µA 3.8 x 2.4 x 0.82mm -
RS Stock No. 707-4487
Mfr. Part No.DZ2J110M0L
BrandPanasonic
SGD0.076
Each (In a Pack of 25)
units
Single 11V Surface Mount 1 200 mW SMini2 F5 B General Purpose 2.5% 2 5mA 60Ω 50nA 1.7 x 1.25 x 0.7mm -
RS Stock No. 168-3410
Mfr. Part No.DZ2J27000L
BrandPanasonic
SGD0.139
Each (On a Reel of 3000)
units
Single 27V Surface Mount 1 200 mW SMini2 F5 B General Purpose 5% 2 2mA 120Ω 50nA 1.7 x 1.25 x 0.7mm -
RS Stock No. 710-6174
Mfr. Part No.DZ2S12000L
BrandPanasonic
SGD0.493
Each (In a Pack of 20)
units
Single 12V Surface Mount 1 150 mW SSMini2 F5 B General Purpose - 2 5mA 80Ω 50nA 1.2 x 0.8 x 0.6mm -
RS Stock No. 703-3644
Mfr. Part No.DZ2J20000L
BrandPanasonic
SGD0.408
Each (In a Pack of 50)
units
Single 20V Surface Mount 1 200 mW SMini2 F5 B General Purpose 5% 2 5mA 100Ω 50nA 1.7 x 1.25 x 0.7mm -
RS Stock No. 169-7890
Mfr. Part No.DZ2422000L
BrandPanasonic
SGD0.308
Each (On a Reel of 3000)
units
Single 22V Surface Mount 1 2 W TMiniP2 F2 B Voltage Regulator 5% 2 10mA 30Ω 10µA 3.8 x 2.4 x 0.82mm -
RS Stock No. 703-3656
Mfr. Part No.DZ2J220M0L
BrandPanasonic
SGD0.215
Each (In a Pack of 50)
units
Single 22V Surface Mount 1 200 mW SMini2 F5 B General Purpose 2.5% 2 5mA 100Ω 50nA 1.7 x 1.25 x 0.7mm -
RS Stock No. 760-3031
Mfr. Part No.DZ2W30000L
BrandPanasonic
SGD0.535
Each (In a Pack of 10)
units
Single 30V Surface Mount 1 1 W Mini2 F3 B Voltage Regulator 5% 2 10mA 30Ω 10µA 2.6 x 1.6 x 0.7mm -
RS Stock No. 760-2861
Mfr. Part No.DZ2433000L
BrandPanasonic
SGD0.703
Each (In a Pack of 10)
units
Single 33V Surface Mount 1 2 W TMiniP2 F2 B Voltage Regulator 5% 2 10mA 30Ω 10µA 3.8 x 2.4 x 0.82mm -
RS Stock No. 168-3409
Mfr. Part No.DZ2J220M0L
BrandPanasonic
SGD0.045
Each (On a Reel of 3000)
units
Single 22V Surface Mount 1 200 mW SMini2 F5 B General Purpose 2.5% 2 5mA 100Ω 50nA 1.7 x 1.25 x 0.7mm -
RS Stock No. 760-3053
Mfr. Part No.DZ2W51000L
BrandPanasonic
SGD0.558
Each (In a Pack of 10)
units
Single 51V Surface Mount 1 1 W Mini2 F3 B Voltage Regulator 5% 2 5mA 65Ω 10µA 2.6 x 1.6 x 0.7mm -