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. 168-3391
Mfr. Part No.DZ2J043M0L
BrandPanasonic
MYR0.10
Each (On a Reel of 3000)
units
Single 4.3V Surface Mount 1 200 mW SMini2 F5 B General Purpose 2.5% 2 5mA 130Ω 10µA 1.7mm -
RS Stock No. 703-3587
Mfr. Part No.DZ2J043M0L
BrandPanasonic
MYR0.12
Each (In a Pack of 50)
units
Single 4.3V Surface Mount 1 200 mW SMini2 F5 B General Purpose 2.5% 2 5mA 130Ω 10µA 1.7mm -
RS Stock No. 169-7916
Mfr. Part No.DZ2W04700L
BrandPanasonic
MYR0.754
Each (On a Reel of 3000)
units
Single 4.7V Surface Mount 1 1 W Mini2 F3 B Voltage Regulator 5% 2 20mA 60Ω 40µA 2.6mm -
RS Stock No. 713-2858
Mfr. Part No.DZ2J033M0L
BrandPanasonic
MYR0.481
Each (In a Pack of 25)
units
Single 3.3V Surface Mount 1 200 mW SMini2 F5 B General Purpose 2.5% 2 5mA 130Ω 20µA 1.7mm -
RS Stock No. 169-7912
Mfr. Part No.DZ2W04300L
BrandPanasonic
MYR0.754
Each (On a Reel of 3000)
units
Single 4.3V Surface Mount 1 1 W Mini2 F3 B Voltage Regulator 5% 2 20mA 80Ω 50µA 2.6mm -
RS Stock No. 168-3702
Mfr. Part No.DZ2J033M0L
BrandPanasonic
MYR0.166
Each (On a Reel of 3000)
units
Single 3.3V Surface Mount 1 200 mW SMini2 F5 B General Purpose 2.5% 2 5mA 130Ω 20µA 1.7mm -
RS Stock No. 707-4323
Mfr. Part No.DZ2705600L
BrandPanasonic
MYR0.576
Each (In a Pack of 25)
units
Single 5.6V Surface Mount 1 120 mW SSSMini2 F4 B General Purpose 5% 2 5mA 200Ω 500nA 1mm -
RS Stock No. 168-3483
Mfr. Part No.DZ2705600L
BrandPanasonic
MYR0.155
Each (On a Reel of 10000)
units
Single 5.6V Surface Mount 1 120 mW SSSMini2 F4 B General Purpose 5% 2 5mA 200Ω 500nA 1mm -
RS Stock No. 760-2969
Mfr. Part No.DZ2W04300L
BrandPanasonic
MYR1.52
Each (In a Pack of 10)
units
Single 4.3V Surface Mount 1 1 W Mini2 F3 B Voltage Regulator 5% 2 20mA 80Ω 50µA 2.6mm -
RS Stock No. 760-2978
Mfr. Part No.DZ2W04700L
BrandPanasonic
MYR1.023
Each (On a Tape of 10)
units
Single 4.7V Surface Mount 1 1 W Mini2 F3 B Voltage Regulator 5% 2 20mA 60Ω 40µA 2.6mm -
RS Stock No. 698-0325
Mfr. Part No.DZ2J02400L
BrandPanasonic
MYR0.414
Each (In a Pack of 50)
units
Single 2.4V Surface Mount 1 200 mW SMini2 F5 B General Purpose 5% 2 5mA 100Ω 120µA 1.7mm -
RS Stock No. 169-7924
Mfr. Part No.DZ2W18000L
BrandPanasonic
MYR0.754
Each (On a Reel of 3000)
units
Single 18V Surface Mount 1 1 W Mini2 F3 B Voltage Regulator 5% 2 10mA 30Ω 10µA 2.6mm -
RS Stock No. 707-4487
Mfr. Part No.DZ2J110M0L
BrandPanasonic
MYR0.217
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 1.7mm -
RS Stock No. 760-2971
Mfr. Part No.DZ2W05100L
BrandPanasonic
MYR1.978
Each (In a Pack of 10)
units
Single 5.1V Surface Mount 1 1 W Mini2 F3 B Voltage Regulator 5% 2 20mA 50Ω 20µA 2.6mm -
RS Stock No. 760-3003
Mfr. Part No.DZ2W12000L
BrandPanasonic
MYR2.031
Each (In a Pack of 10)
units
Single 12V Surface Mount 1 1 W Mini2 F3 B Voltage Regulator 5% 2 10mA 30Ω 10µA 2.6mm -
RS Stock No. 169-7911
Mfr. Part No.DZ2W03900L
BrandPanasonic
MYR0.754
Each (On a Reel of 3000)
units
Single 3.9V Surface Mount 1 1 W Mini2 F3 B Voltage Regulator 5% 2 20mA 80Ω 60µA 2.6mm -
RS Stock No. 169-7919
Mfr. Part No.DZ2W06800L
BrandPanasonic
MYR0.754
Each (On a Reel of 3000)
units
Single 6.8V Surface Mount 1 1 W Mini2 F3 B Voltage Regulator 5% 2 10mA 30Ω 10µA 2.6mm -
RS Stock No. 710-6219
Mfr. Part No.DZ2S33000L
BrandPanasonic
MYR0.601
Each (In a Pack of 20)
units
Single 33V Surface Mount 1 150 mW SSMini2 F5 B General Purpose 5% 2 2mA 200Ω 50nA 1.2mm -
RS Stock No. 760-2855
Mfr. Part No.DZ2424000L
BrandPanasonic
MYR1.36
Each (In a Pack of 10)
units
Single 24V Surface Mount 1 2 W TMiniP2 F2 B Voltage Regulator 5% 2 10mA 30Ω 10µA 3.8mm -
RS Stock No. 168-3403
Mfr. Part No.DZ2J140M0L
BrandPanasonic
MYR0.151
Each (On a Reel of 3000)
units
Single 14V Surface Mount 1 200 mW SMini2 F5 B General Purpose 2.5% 2 5mA 80Ω 50nA 1.7mm -