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 Prix 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
N° de stock RS 103-3903
Référence fabricant1N5349BRLG
0,102 €
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Single 12V Through Hole 1 5 W DO-15 Voltage Regulator 5% 2 100mA 2.5Ω 2µA 8.89 x 3.68 x 3.68mm -
N° de stock RS 463-278
Référence fabricant1N5349BG
0,329 €
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Single 12V Through Hole 1 5 W 017AA-01 Voltage Regulator ±5% 2 100mA 2.5Ω 2µA 8.89 x 3.68 x 3.68mm -
N° de stock RS 625-6568
Référence fabricant1N5349BRLG
0,305 €
Each (In a Pack of 10)
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Single 12V Through Hole 1 5 W DO-15 Voltage Regulator 5% 2 100mA 2.5Ω 2µA 8.89 x 3.68 x 3.68mm -
N° de stock RS 100-7582
Référence fabricant1N5349BG
0,123 €
Each (In a Box of 1000)
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Single 12V Through Hole 1 5 W DO-15 Voltage Regulator 5% 2 100mA 2.5Ω 2µA 8.89 x 3.68 x 3.68mm -
N° de stock RS 544-3597
Référence fabricantBZX79-C5V1,113
MarqueNexperia
0,097 €
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Single 5.1V Through Hole 1 500 mW DO-35 Voltage Regulator 5% 2 5mA 60Ω 2µA 4.25 x 1.85 x 1.85mm -
N° de stock RS 136-4856
Référence fabricantBZX79-C5V1,133
MarqueNexperia
0,041 €
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Single 5.1V Through Hole 1 500 mW SOD27 (DO-35) Voltage Regulator ±2 %, ±5% 2 5mA 480 Ω @ 1 mA - 1.85 (Dia.) x 4.25mm -
N° de stock RS 103-7574
Référence fabricantBZX79-C5V1,113
MarqueNexperia
0,014 €
Each (On a Reel of 10000)
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Single 5.1V Through Hole 1 500 mW DO-35 Voltage Regulator 5% 2 5mA 60Ω 2µA 4.25 x 1.85 x 1.85mm -
N° de stock RS 136-4788
Référence fabricantBZX79-C5V1,133
MarqueNexperia
0,015 €
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Single 5.1V Through Hole 1 500 mW SOD27 (DO-35) Voltage Regulator ±2 %, ±5% 2 5mA 480 Ω @ 1 mA - 1.85 (Dia.) x 4.25mm -
N° de stock RS 177-7409
Référence fabricantBZX55B13-TR
MarqueVishay
0,026 €
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Single 13V Through Hole 1 500 mW DO-35 Voltage Regulator 2% 2 5mA 26Ω 2µA 1.7 (Dia.) x 3.9mm -
N° de stock RS 812-8519
Référence fabricantBZX55B13-TR
MarqueVishay
0,062 €
Each (In a Pack of 250)
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Single 13V Through Hole 1 500 mW DO-35 Voltage Regulator 2% 2 5mA 26Ω 2µA 1.7 (Dia.) x 3.9mm -
N° de stock RS 544-3604
Référence fabricantBZX79-C5V6,113
MarqueNexperia
0,10 €
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Single 5.6V Through Hole 1 500 mW DO-35 Voltage Regulator 5% 2 5mA 40Ω 1µA 4.25 x 1.85 x 1.85mm -
N° de stock RS 708-7849
Référence fabricantBZT03C15-TAP
MarqueVishay
0,496 €
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Single 15V Through Hole 1 1.3 W SOD-57 Voltage Regulator 6% 2 50mA 10Ω 1µA 4 x 3.6 x 3.6mm -
N° de stock RS 165-2745
Référence fabricantBZT03C15-TAP
MarqueVishay
0,22 €
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Single 15V Through Hole 1 1.3 W SOD-57 Voltage Regulator 6% 2 50mA 10Ω 1µA 4 x 3.6 x 3.6mm -
N° de stock RS 509-235
Référence fabricantBZX384-C5V1,115
MarqueNexperia
0,057 €
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Single 5.1V Surface Mount 1 300 mW UMD Voltage Regulator 5% 2 5mA 60Ω 2µA 1.8 x 1.35 x 1.05mm -
N° de stock RS 121-9594
Référence fabricantDDZ9688-7
MarqueDiodesZetex
0,03 €
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Single 4.7V Surface Mount 1 500 mW SOD-123 General Purpose 5% 2 0.05mA - 5µA 2.85 x 1.7 x 1.35mm -
N° de stock RS 166-1366
Référence fabricantBZX384-C5V1,115
MarqueNexperia
0,026 €
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Single 5.1V Surface Mount 1 300 mW UMD Voltage Regulator 5% 2 5mA 60Ω 2µA 1.8 x 1.35 x 1.05mm -
N° de stock RS 822-2387
Référence fabricantDDZ9688-7
MarqueDiodesZetex
0,066 €
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Single 4.7V Surface Mount 1 500 mW SOD-123 General Purpose 5% 2 0.05mA - 5µA 2.85 x 1.7 x 1.35mm -
N° de stock RS 166-1336
Référence fabricantBZX384-C3V3,115
MarqueNexperia
0,023 €
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Single 3.3V Surface Mount 1 300 mW UMD Voltage Regulator 5% 2 5mA 95Ω 5µA 1.8 x 1.35 x 1.05mm -
N° de stock RS 146-2293
Référence fabricantBZX55C5V1 R0
0,021 €
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Single 5.1V Through Hole 1 500 mW DO-35 Voltage Regulator 6% 2 5mA 35Ω 100nA 2.1 (Dia.) x 3.7mm -
N° de stock RS 748-5051
Référence fabricantBZX55C5V1 R0
0,11 €
Each (In a Pack of 200)
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Single 5.1V Through Hole 1 500 mW DO-35 Voltage Regulator 6% 2 5mA 35Ω 100nA 2.1 (Dia.) x 3.7mm -