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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Beskrivning Pris 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
RS-artikelnummer 792-5414
Tillv. art.nr1SMB5928BT3G
Varumärkeonsemi
3,573 kr
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Single 13V Surface Mount 1 3 W SMB Voltage Regulator 5% 2 28.8mA 1µA 4.6 x 3.95 x 2.28mm
RS-artikelnummer 163-1970
Tillv. art.nr1SMB5928BT3G
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1,137 kr
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Single 13V Surface Mount 1 3 W SMB Voltage Regulator 5% 2 28.8mA 1µA 4.6 x 3.95 x 2.28mm
RS-artikelnummer 163-1974
Tillv. art.nr1SMB5942BT3G
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1,317 kr
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Single 51V Surface Mount 1 3 W SMB Voltage Regulator 5% 2 7.3mA 70Ω 1µA 4.6 x 3.95 x 2.28mm
RS-artikelnummer 792-5448
Tillv. art.nr1SMB5942BT3G
Varumärkeonsemi
3,455 kr
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Single 51V Surface Mount 1 3 W SMB Voltage Regulator 5% 2 7.3mA 70Ω 1µA 4.6 x 3.95 x 2.28mm
RS-artikelnummer 634-7406
Tillv. art.nrSML4747-E3/61
VarumärkeVishay
5,226 kr
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Single 20V Surface Mount 1 1 W SMA - ±10% 2 12.5mA 22Ω 5µA 4.5 x 2.79mm
RS-artikelnummer 165-2531
Tillv. art.nrSML4747-E3/61
VarumärkeVishay
2,078 kr
Each (On a Reel of 1800)
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Single 20V Surface Mount 1 1 W SMA - ±10% 2 12.5mA 22Ω 5µA 4.5 x 2.79mm
RS-artikelnummer 792-5426
Tillv. art.nr1SMB5932BT3G
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3,653 kr
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Single 20V Surface Mount 1 3 W SMB Voltage Regulator 5% 2 18.7mA 14Ω 1µA 4.6 x 3.95 x 2.28mm
RS-artikelnummer 163-1971
Tillv. art.nr1SMB5932BT3G
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1,348 kr
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Single 20V Surface Mount 1 3 W SMB Voltage Regulator 5% 2 18.7mA 14Ω 1µA 4.6 x 3.95 x 2.28mm
RS-artikelnummer 178-7551
Tillv. art.nr1SMB5921BT3G
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1,137 kr
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Single 6.8V Surface Mount 1 550 mW SMB Voltage Regulator 5% 2 55.1mA 2.5Ω 5µA 4.32 x 3.56 x 2.13mm
RS-artikelnummer 145-4253
Tillv. art.nr1SMB5936BT3G
Varumärkeonsemi
1,193 kr
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Single 30V Surface Mount 1 3 W SMB Voltage Regulator 5% 2 12.5mA 28Ω 1µA 4.6 x 3.95 x 2.28mm
RS-artikelnummer 545-0545
Tillv. art.nr1SMB5921BT3G
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4,02 kr
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Single 6.8V Surface Mount 1 550 mW SMB Voltage Regulator 5% 2 55.1mA 2.5Ω 5µA 4.32 x 3.56 x 2.13mm
RS-artikelnummer 807-9906
Tillv. art.nr1SMB5936BT3G
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2,455 kr
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Single 30V Surface Mount 1 3 W SMB Voltage Regulator 5% 2 12.5mA 28Ω 1µA 4.6 x 3.95 x 2.28mm
RS-artikelnummer 177-5888
Tillv. art.nrBZX85C15 R0G
0,717 kr
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Single 15V Through Hole 1 1.3 W DO-41 Voltage Regulator 5% 2 15mA 15Ω 500nA 2.6 (Dia.) x 4.25mm
RS-artikelnummer 748-5067
Tillv. art.nrBZX85C15 R0G
0,619 kr
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Single 15V Through Hole 1 1.3 W DO-41 Voltage Regulator 5% 2 15mA 15Ω 500nA 2.6 (Dia.) x 4.25mm
RS-artikelnummer 751-3682
Tillv. art.nrBZT52C16-7-F
VarumärkeDiodesZetex
1,028 kr
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Single 16V Surface Mount 1 500 mW SOD-123 Voltage Regulator 6% 2 5mA 40Ω 100nA 2.85 x 1.7 x 1.35mm
RS-artikelnummer 122-0899
Tillv. art.nrBZT52C16-7-F
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0,352 kr
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Single 16V Surface Mount 1 500 mW SOD-123 Voltage Regulator 6% 2 5mA 40Ω 100nA 2.85 x 1.7 x 1.35mm
RS-artikelnummer 177-7403
Tillv. art.nr1N5257B-TR
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0,159 kr
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Single 33V Through Hole 1 500 mW DO-35 General Purpose 5% 2 3.8mA 58Ω 100nA 1.7 (Dia.) x 3.9mm
RS-artikelnummer 508-107
Tillv. art.nrBZX384-C3V6,115
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1,19 kr
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Single 3.6V Surface Mount 1 300 mW UMD Voltage Regulator 5% 2 5mA 90Ω 5µA 1.8 x 1.35 x 1.05mm
RS-artikelnummer 166-1337
Tillv. art.nrBZX384-C3V6,115
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0,379 kr
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Single 3.6V Surface Mount 1 300 mW UMD Voltage Regulator 5% 2 5mA 90Ω 5µA 1.8 x 1.35 x 1.05mm
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Tillv. art.nr1N5240BTR
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Single 10V Through Hole 1 500 mW DO-35 General Purpose 5% 2 20mA 17Ω 3µA 1.91 (Dia.) x 4.56mm