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 Width
RS Stock No. 713-2858
Mfr. Part No.DZ2J033M0L
BrandPanasonic
MYR0.732
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 1.25mm
RS Stock No. 760-2978
Mfr. Part No.DZ2W04700L
BrandPanasonic
MYR1.51
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 1.6mm
RS Stock No. 168-3702
Mfr. Part No.DZ2J033M0L
BrandPanasonic
MYR0.131
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 1.25mm
RS Stock No. 168-3355
Mfr. Part No.DZ2J082M0L
BrandPanasonic
MYR0.123
Each (On a Reel of 3000)
units
Single 8.2V Surface Mount 1 200 mW SMini2 F5 B General Purpose 2.5% 2 5mA 60Ω 100nA 1.7mm 1.25mm
RS Stock No. 169-7892
Mfr. Part No.DZ2418000L
BrandPanasonic
MYR0.867
Each (On a Reel of 3000)
units
Single 18V Surface Mount 1 2 W TMiniP2 F2 B Voltage Regulator 5% 2 10mA 30Ω 10µA 3.8mm 2.4mm
RS Stock No. 698-7039
Mfr. Part No.DZ2J062M0L
BrandPanasonic
MYR0.707
Each (In a Pack of 50)
units
Single 6.2V Surface Mount 1 200 mW SMini2 F5 B General Purpose 2.5% 2 5mA 100Ω 200nA 1.7mm 1.25mm
RS Stock No. 168-3772
Mfr. Part No.DZ3S120D0L
BrandPanasonic
MYR0.189
Each (On a Reel of 3000)
units
Common Anode 12V Surface Mount 2 150 mW SSMini3 F3 B Transient Suppressor - 3 5mA 80Ω 50nA 1.6mm 0.85mm
RS Stock No. 760-3016
Mfr. Part No.DZ2W15000L
BrandPanasonic
MYR1.502
Each (In a Pack of 10)
units
Single 15V Surface Mount 1 1 W Mini2 F3 B Voltage Regulator 5% 2 10mA 30Ω 10µA 2.6mm 1.6mm
RS Stock No. 760-3029
Mfr. Part No.DZ2W24000L
BrandPanasonic
MYR1.51
Each (In a Pack of 10)
units
Single 24V Surface Mount 1 1 W Mini2 F3 B Voltage Regulator 5% 2 10mA 30Ω 10µA 2.6mm 1.6mm
RS Stock No. 168-3401
Mfr. Part No.DZ2J120M0L
BrandPanasonic
MYR0.123
Each (On a Reel of 3000)
units
Single 12V Surface Mount 1 200 mW SMini2 F5 B General Purpose 2.5% 2 5mA 80Ω 50nA 1.7mm 1.25mm
RS Stock No. 169-7928
Mfr. Part No.DZ2W30000L
BrandPanasonic
MYR0.609
Each (On a Reel of 3000)
units
Single 30V Surface Mount 1 1 W Mini2 F3 B Voltage Regulator 5% 2 10mA 30Ω 10µA 2.6mm 1.6mm
RS Stock No. 703-3644
Mfr. Part No.DZ2J20000L
BrandPanasonic
MYR1.08
Each (In a Pack of 50)
units
Single 20V Surface Mount 1 200 mW SMini2 F5 B General Purpose 5% 2 5mA 100Ω 50nA 1.7mm 1.25mm
RS Stock No. 760-3053
Mfr. Part No.DZ2W51000L
BrandPanasonic
MYR1.51
Each (In a Pack of 10)
units
Single 51V Surface Mount 1 1 W Mini2 F3 B Voltage Regulator 5% 2 5mA 65Ω 10µA 2.6mm 1.6mm
RS Stock No. 760-2956
Mfr. Part No.DZ2W02700L
BrandPanasonic
MYR1.483
Each (In a Pack of 10)
units
Single 2.7V Surface Mount 1 1 W Mini2 F3 B Voltage Regulator 5% 2 20mA 120Ω 200µA 2.6mm 1.6mm
RS Stock No. 169-7894
Mfr. Part No.DZ2424000L
BrandPanasonic
MYR0.776
Each (On a Reel of 3000)
units
Single 24V Surface Mount 1 2 W TMiniP2 F2 B Voltage Regulator 5% 2 10mA 30Ω 10µA 3.8mm 2.4mm
RS Stock No. 168-3518
Mfr. Part No.DZ2S02400L
BrandPanasonic
MYR0.45
Each (On a Reel of 3000)
units
Single 2.4V Surface Mount 1 150 mW SSMini2 F5 B General Purpose 5% 2 5mA 100Ω 120µA 1.2mm 0.8mm
RS Stock No. 760-2864
Mfr. Part No.DZ2436000L
BrandPanasonic
MYR1.99
Each (In a Pack of 10)
units
Single 36V Surface Mount 1 2 W TMiniP2 F2 B Voltage Regulator 5% 2 5mA 30Ω 10µA 3.8mm 2.4mm
RS Stock No. 168-3415
Mfr. Part No.DZ2J360M0L
BrandPanasonic
MYR0.123
Each (On a Reel of 3000)
units
Single 36V Surface Mount 1 200 mW SMini2 F5 B General Purpose 2.5% 2 2mA 250Ω 50nA 1.7mm 1.25mm
RS Stock No. 168-3410
Mfr. Part No.DZ2J27000L
BrandPanasonic
MYR0.384
Each (On a Reel of 3000)
units
Single 27V Surface Mount 1 200 mW SMini2 F5 B General Purpose 5% 2 2mA 120Ω 50nA 1.7mm 1.25mm
RS Stock No. 168-3372
Mfr. Part No.DZ2J180M0L
BrandPanasonic
MYR0.17
Each (On a Reel of 3000)
units
Single 18V Surface Mount 1 200 mW SMini2 F5 B General Purpose 2.5% 2 5mA 80Ω 50nA 1.7mm 1.25mm