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. 703-3612
Mfr. Part No.DZ2J100M0L
BrandPanasonic
HK$1.127
Each (In a Pack of 50)
units
Single 10V Surface Mount 1 200 mW SMini2 F5 B General Purpose 2.5% 2 5mA 60Ω 50nA 1.7mm 1.25mm
RS Stock No. 168-3398
Mfr. Part No.DZ2J100M0L
BrandPanasonic
HK$0.259
Each (On a Reel of 3000)
units
Single 10V Surface Mount 1 200 mW SMini2 F5 B General Purpose 2.5% 2 5mA 60Ω 50nA 1.7mm 1.25mm
RS Stock No. 698-7035
Mfr. Part No.DZ2J056M0L
BrandPanasonic
HK$1.487
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 1.7mm 1.25mm
RS Stock No. 168-3412
Mfr. Part No.DZ2J240M0L
BrandPanasonic
HK$0.271
Each (On a Reel of 3000)
units
Single 24V Surface Mount 1 200 mW SMini2 F5 B General Purpose 2.5% 2 5mA 120Ω 50nA 1.7mm 1.25mm
RS Stock No. 749-8215
Mfr. Part No.DZ2J390M0L
BrandPanasonic
HK$1.185
Each (On a Tape of 50)
units
Single 39V Surface Mount 1 200 mW SMini2 F5 B Voltage Regulator 2% 2 2mA 300Ω 50nA 1.7mm 1.25mm
RS Stock No. 168-3772
Mfr. Part No.DZ3S120D0L
BrandPanasonic
HK$0.336
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. 168-3483
Mfr. Part No.DZ2705600L
BrandPanasonic
HK$0.308
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 0.6mm
RS Stock No. 703-3638
Mfr. Part No.DZ2J16000L
BrandPanasonic
HK$2.328
Each (In a Pack of 50)
units
Single 16V Surface Mount 1 200 mW SMini2 F5 B General Purpose 5% 2 5mA 80Ω 50nA 1.7mm 1.25mm
RS Stock No. 169-7930
Mfr. Part No.DZ2W36000L
BrandPanasonic
HK$1.386
Each (On a Reel of 3000)
units
Single 36V Surface Mount 1 1 W Mini2 F3 B Voltage Regulator 5% 2 5mA 30Ω 10µA 2.6mm 1.6mm
RS Stock No. 168-3705
Mfr. Part No.DZ2S300M0L
BrandPanasonic
HK$0.282
Each (On a Reel of 3000)
units
Single 30V Surface Mount 1 150 mW SSMini2 F5 B General Purpose 2.5% 2 2mA 160Ω 50nA 1.2mm 0.8mm
RS Stock No. 707-4487
Mfr. Part No.DZ2J110M0L
BrandPanasonic
HK$1.445
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 1.25mm
RS Stock No. 698-7032
Mfr. Part No.DZ2J051M0L
BrandPanasonic
HK$1.483
Each (In a Pack of 50)
units
Single 5.1V Surface Mount 1 200 mW SMini2 F5 B General Purpose 2.5% 2 5mA 500Ω 1µA 1.7mm 1.25mm
RS Stock No. 703-3625
Mfr. Part No.DZ2J12000L
BrandPanasonic
HK$2.328
Each (In a Pack of 50)
units
Single 12V Surface Mount 1 200 mW SMini2 F5 B General Purpose 5% 2 5mA 80Ω 50nA 1.7mm 1.25mm
RS Stock No. 710-6177
Mfr. Part No.DZ2S11000L
BrandPanasonic
HK$2.63
Each (In a Pack of 20)
units
Single 11V Surface Mount 1 150 mW SSMini2 F5 B General Purpose - 2 5mA 60Ω 50nA 1.2mm 0.8mm
RS Stock No. 703-3647
Mfr. Part No.DZ2J160M0L
BrandPanasonic
HK$1.441
Each (In a Pack of 50)
units
Single 16V Surface Mount 1 200 mW SMini2 F5 B General Purpose 2.5% 2 5mA 80Ω 50nA 1.7mm 1.25mm
RS Stock No. 168-3409
Mfr. Part No.DZ2J220M0L
BrandPanasonic
HK$0.248
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 1.7mm 1.25mm
RS Stock No. 168-3413
Mfr. Part No.DZ2J33000L
BrandPanasonic
HK$1.228
Each (On a Reel of 3000)
units
Single 33V Surface Mount 1 200 mW SMini2 F5 B General Purpose 5% 2 2mA 200Ω 50nA 1.7mm 1.25mm
RS Stock No. 169-7925
Mfr. Part No.DZ2W15000L
BrandPanasonic
HK$1.657
Each (On a Reel of 3000)
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. 760-3003
Mfr. Part No.DZ2W12000L
BrandPanasonic
HK$3.17
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 1.6mm
RS Stock No. 749-8221
Mfr. Part No.DZ2S240M0L
BrandPanasonic
HK$1.29
Each (On a Tape of 50)
units
Single 24V Surface Mount 1 150 mW SSMini2 F5 B Voltage Regulator 2% 2 5mA 100Ω 50nA 1.2mm 0.8mm