Zener Diodes

Zener diodes are a type of semiconductor device that has different characteristics to 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 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.

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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Omschrijving Prijs 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-stocknr. 146-2293
FabrikantnummerBZX55C5V1 R0
0,021 €
Each (On a Reel of 10000)
Aantal stuks
Single 5.1V Through Hole 1 500 mW DO-35 Voltage Regulator 6% 2 5mA 35Ω 100nA 2.1 (Dia.) x 3.7mm -
RS-stocknr. 748-5051
FabrikantnummerBZX55C5V1 R0
0,11 €
Each (In a Pack of 200)
Aantal stuks
Single 5.1V Through Hole 1 500 mW DO-35 Voltage Regulator 6% 2 5mA 35Ω 100nA 2.1 (Dia.) x 3.7mm -
RS-stocknr. 748-5082
FabrikantnummerBZX85C6V2 R0
0,15 €
Each (In a Pack of 100)
Aantal stuks
Single 6.2V Through Hole 1 1.3 W DO-41 Voltage Regulator 5% 2 35mA 1µA 2.6 (Dia.) x 4.25mm -
RS-stocknr. 169-9305
FabrikantnummerBZX85C6V2 R0
0,047 €
Each (On a Tape of 5000)
Aantal stuks
Single 6.2V Through Hole 1 1.3 W DO-41 Voltage Regulator 5% 2 35mA 1µA 2.6 (Dia.) x 4.25mm -
RS-stocknr. 687-5453
Fabrikantnummer1N4744A R0
0,373 €
Each (In a Pack of 50)
Aantal stuks
Single 15V Through Hole 1 1 W DO-41 Voltage Regulator 5% 2 17mA 14Ω 5µA 5.2 x 2.7 x 2.7mm -
RS-stocknr. 169-9125
Fabrikantnummer1N4744A R0
0,08 €
Each (On a Reel of 5000)
Aantal stuks
Single 15V Through Hole 1 1 W DO-41 Voltage Regulator 5% 2 17mA 14Ω 5µA 5.2 x 2.7 x 2.7mm -
RS-stocknr. 687-5462
Fabrikantnummer1N4746A R0
0,373 €
Each (In a Pack of 50)
Aantal stuks
Single 18V Through Hole 1 1 W DO-41 Voltage Regulator 5% 2 14mA 20Ω 5µA 5.2 x 2.7 x 2.7mm -
RS-stocknr. 169-9126
Fabrikantnummer1N4742A R0
0,075 €
Each (On a Tape of 5000)
Aantal stuks
Single 12V Through Hole 1 1 W DO-41 Voltage Regulator 5% 2 21mA 5µA 5.2 x 2.7 x 2.7mm -
RS-stocknr. 169-9127
Fabrikantnummer1N4746A R0
0,075 €
Each (On a Tape of 5000)
Aantal stuks
Single 18V Through Hole 1 1 W DO-41 Voltage Regulator 5% 2 14mA 20Ω 5µA 5.2 x 2.7 x 2.7mm -
RS-stocknr. 687-5459
Fabrikantnummer1N4742A R0
0,346 €
Each (In a Pack of 50)
Aantal stuks
Single 12V Through Hole 1 1 W DO-41 Voltage Regulator 5% 2 21mA 5µA 5.2 x 2.7 x 2.7mm -
RS-stocknr. 169-9298
FabrikantnummerBZV55C5V1 L1
0,03 €
Each (On a Reel of 2500)
Aantal stuks
Single 5.1V Surface Mount 1 500 mW MiniMELF Voltage Regulator 5% 2 5mA 35Ω 100nA 1.6 (Dia.) x 3.7mm -
RS-stocknr. 170-3960
FabrikantnummerBZT52C16 RH
0,016 €
Each (On a Reel of 3000)
Aantal stuks
Single 16V Surface Mount 1 500 mW SOD-123F General Purpose 5% 2 5mA 40Ω 45nA 2.7 x 1.7 x 1.15mm -
RS-stocknr. 797-0155
FabrikantnummerBZT52B75S RR
0,022 €
Each (In a Pack of 250)
Aantal stuks
Single 75V Surface Mount 1 200 mW SOD-323F General Purpose 2% 2 2mA 255Ω 45nA 1.8 x 1.35 x 1mm -
RS-stocknr. 170-3963
FabrikantnummerBZT52C18S RR
0,033 €
Each (On a Reel of 3000)
Aantal stuks
Single 18V Surface Mount 1 200 mW SOD-323F General Purpose 5% 2 5mA 45Ω 45nA 1.8 x 1.35 x 1mm -
RS-stocknr. 687-5471
Fabrikantnummer1N4750A R0
0,346 €
Each (In a Pack of 50)
Aantal stuks
Single 27V Through Hole 1 1 W DO-41 Voltage Regulator 5% 2 9.5mA 35Ω 5µA 5.2 x 2.7 x 2.7mm -
RS-stocknr. 169-9299
FabrikantnummerBZV55C5V6 L1
0,03 €
Each (On a Reel of 2500)
Aantal stuks
Single 5.6V Surface Mount 1 500 mW MiniMELF Voltage Regulator 5% 2 5mA 25Ω 100nA 1.6 (Dia.) x 3.7mm -
RS-stocknr. 748-5029
FabrikantnummerBZV55C3V3 L1
0,097 €
Each (In a Pack of 200)
Aantal stuks
Single 3.3V Surface Mount 1 500 mW MiniMELF Voltage Regulator 5% 2 5mA 85Ω 2µA 1.6 (Dia.) x 3.7mm -
RS-stocknr. 170-3957
FabrikantnummerBZT52C12K RKG
0,045 €
Each (On a Reel of 3000)
Aantal stuks
Single 12V Surface Mount 1 200 mW SOD-523F General Purpose 2% 2 5mA 25Ω 100nA 1.3 x 0.9 x 0.7mm -
RS-stocknr. 687-5478
Fabrikantnummer1N4749A R0
0,346 €
Each (In a Pack of 50)
Aantal stuks
Single 24V Through Hole 1 1 W DO-41 Voltage Regulator 5% 2 10.5mA 25Ω 5µA 5.2 x 2.7 x 2.7mm -
RS-stocknr. 170-4256
FabrikantnummerBZX85C4V3 R0
0,022 €
Each (On a Reel of 5000)
Aantal stuks
Single 4.3V Through Hole 1 - DO-41 General Purpose ±5% 2 50mA 500Ω 3µA 2.8 (Dia.) x 5.2mm -