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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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 Length Diameter
RS-artikelnummer 687-5462
Tillv. art.nr1N4746A R0
3,654 kr
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Single 18V Through Hole 1 1 W DO-41 Voltage Regulator 5% 2 14mA 20Ω 5µA 5.2mm -
RS-artikelnummer 921-0874
Tillv. art.nrBZT585B15T-7
VarumärkeDiodesZetex
0,519 kr
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Single 15V Surface Mount 1 350 mW SOD-523 Precision ±2% 2 5mA 200Ω 50nA 1.3mm -
RS-artikelnummer 146-2294
Tillv. art.nrBZX85C10 R0
0,465 kr
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Single 10V Through Hole 1 1.3 W DO-41 Voltage Regulator 5% 2 25mA 500nA 4.25mm 2.6mm
RS-artikelnummer 169-0456
Tillv. art.nrPTZTE254.7B
VarumärkeROHM
1,164 kr
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Single 4.9V Surface Mount 1 1 W SOD-106 Voltage Regulator 5% 2 40mA 10Ω 20µA 4.5mm -
RS-artikelnummer 166-0503
Tillv. art.nrBZV49-C15,115
VarumärkeNexperia
1,939 kr
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Single 15V Surface Mount 1 1 W UPAK Voltage Regulator 5% 4 5mA 30Ω 50nA 4.6mm -
RS-artikelnummer 865-2101
Tillv. art.nrBZV55-B12,115
VarumärkeNexperia
0,924 kr
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Single 12V Surface Mount 1 500 mW SOD-80C Voltage Regulator 2% 2 - - 100nA - 1.6mm
RS-artikelnummer 169-7340
Tillv. art.nrDFLZ12-7
VarumärkeDiodesZetex
1,047 kr
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Single 12V Surface Mount 1 1 W POWERDI123 General Purpose 5% 2 50mA 3µA 3mm -
RS-artikelnummer 751-3698
Tillv. art.nrBZT52C18-7-F
VarumärkeDiodesZetex
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Single 18V Surface Mount 1 500 mW SOD-123 Voltage Regulator 7% 2 5mA 45Ω 100nA 2.85mm -
RS-artikelnummer 146-0634
Tillv. art.nrZ2SMB33 TRTB
VarumärkeFagor Electronica
1,051 kr
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Single 33V Surface Mount 1 3 W DO-214AA (SMB) - ±5% 2 25mA 15Ω 1µA 5.1mm -
RS-artikelnummer 169-0674
Tillv. art.nrBZT52C3V9-7-F
VarumärkeDiodesZetex
0,254 kr
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Single 3.9V Surface Mount 1 500 mW SOD-123 Voltage Regulator 5% 2 5mA 90Ω 3µA 2.85mm -
RS-artikelnummer 169-8526
Tillv. art.nrBZX85C15
VarumärkeON Semiconductor
0,386 kr
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Single 15V Through Hole 1 1 W DO-41 - 5% 2 15mA 15Ω 500nA 5.21mm -
RS-artikelnummer 699-7824
Tillv. art.nrBZX85C12-TAP
VarumärkeVishay
1,187 kr
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Single 12V Through Hole 1 1.3 W DO-41 Voltage Regulator 5% 2 20mA 500nA 4.1mm 2.5mm
RS-artikelnummer 146-0631
Tillv. art.nrZ1SMA33 TRTB
VarumärkeFagor Electronica
0,886 kr
Each (On a Reel of 7500)
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Single 33V Surface Mount 1 3.25 W DO-214AC (SMA) - ±5% 2 25mA 15Ω 1µA 5.1mm -
RS-artikelnummer 818-5115
Tillv. art.nrTZX5V6C-TR
VarumärkeVishay
0,168 kr
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Single 5.5V Through Hole 1 500 mW DO-35 Voltage Regulator 3% 2 5mA 40Ω 5µA 3.9mm 1.7mm
RS-artikelnummer 145-2318
Tillv. art.nrSMBZ5932B-E3/52
VarumärkeVishay
1,07 kr
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Single 20V Surface Mount 1 3 W DO-214AA (SMB) Voltage Regulator 5% 2 18.7mA 14Ω 1µA 4.57mm -
RS-artikelnummer 103-5051
Tillv. art.nr1SMA5927BT3G
VarumärkeON Semiconductor
0,772 kr
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Single 12V Surface Mount 1 1.5 W SMA Voltage Regulator 5% 2 31.2mA 6.5Ω 500nA 4.32mm -
RS-artikelnummer 792-5338
Tillv. art.nr1SMA5913BT3G
VarumärkeON Semiconductor
2,859 kr
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Single 3.3V Surface Mount 1 1.5 W SMA Voltage Regulator 5% 2 113.6mA 10Ω 50µA 4.57mm -
RS-artikelnummer 818-5067
Tillv. art.nrTZX3V9B-TR
VarumärkeVishay
0,593 kr
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Single 3.9V Through Hole 1 500 mW DO-35 Voltage Regulator 3% 2 5mA 100Ω 5µA 3.9mm 1.7mm
RS-artikelnummer 742-3958
Tillv. art.nrBZX84J-C10,115
VarumärkeNexperia
0,815 kr
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Single 10V Surface Mount 1 550 mW SOD-323F Voltage Regulator 5% 2 5mA - 200nA 1.8mm -
RS-artikelnummer 903-0788
Tillv. art.nrBZX84C3V0-E3-08
VarumärkeVishay
0,156 kr
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Single 3V Surface Mount 1 300 mW SOT-23 General Purpose ±5% 3 1 mA, 5 mA 95Ω 10µA 3.1mm -
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