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 Diameter
RS Stock No. 121-6442
Mfr. Part No.1N5352BRLG
£0.092
Each (On a Reel of 4000)
Units
Single 15V Through Hole 1 5 W - Voltage Regulator 5% 2 75mA 2.5Ω 1µA 8.89mm 3.68mm
RS Stock No. 100-7583
Mfr. Part No.1N5352BG
£0.099
Each (In a Box of 1000)
Units
Single 15V Through Hole 1 5 W DO-15 Voltage Regulator 5% 2 75mA 2.5Ω 1µA 8.89mm -
RS Stock No. 792-5319
Mfr. Part No.1N5352BRLG
£0.252
Each (In a Pack of 20)
Units
Single 15V Through Hole 1 5 W - Voltage Regulator 5% 2 75mA 2.5Ω 1µA 8.89mm 3.68mm
RS Stock No. 463-280
Mfr. Part No.1N5352BG
£0.252
Each (In a Pack of 10)
Units
Single 15V Through Hole 1 5 W 017AA-01 Voltage Regulator ±5% 2 75mA 2.5Ω 1µA 8.89mm -
RS Stock No. 544-4461
Mfr. Part No.BZX79-C10,113
BrandNexperia
£0.089
Each (In a Pack of 20)
Units
Single 10V Through Hole 1 500 mW DO-35 Voltage Regulator 5% 2 5mA 20Ω 200nA 4.25mm -
RS Stock No. 136-4796
Mfr. Part No.BZX79-C10,133
BrandNexperia
£0.012
Each (On a Tape of 10000)
Units
Single 10V Through Hole 1 500 mW SOD27 (DO-35) Voltage Regulator ±2 %, ±5 % 2 5mA 150 Ω @ 1 mA - 4.25mm 1.85mm
RS Stock No. 103-7575
Mfr. Part No.BZX79-C10,113
BrandNexperia
£0.012
Each (On a Reel of 10000)
Units
Single 10V Through Hole 1 500 mW DO-35 Voltage Regulator 5% 2 5mA 20Ω 200nA 4.25mm -
RS Stock No. 136-4833
Mfr. Part No.BZX79-C10,133
BrandNexperia
£0.03
Each (In a Pack of 100)
Units
Single 10V Through Hole 1 500 mW SOD27 (DO-35) Voltage Regulator ±2 %, ±5 % 2 5mA 150 Ω @ 1 mA - 4.25mm 1.85mm
RS Stock No. 856-342
Mfr. Part No.BZY93C24
BrandMagnatec
£14.11
Each
Units
Single 24V Panel Mount 1 20 W DO-4 General Purpose 20% 2 500mA 50µA 31.8mm -
RS Stock No. 463-791
Mfr. Part No.1N5339BG
£0.252
Each (In a Pack of 10)
Units
Single 5.6V Through Hole 1 5 W DO-15 Voltage Regulator 5% 2 220mA 1µA 8.89mm -
RS Stock No. 805-0047
Mfr. Part No.1N4733ATR
£0.048
Each (In a Pack of 100)
Units
Single 5.1V Through Hole 1 1 W DO-41 General Purpose 5% 2 49mA 10µA 5.2mm 2.72mm
RS Stock No. 654-7549
Mfr. Part No.1N5339BRLG
£0.344
Each (In a Pack of 5)
Units
Single 5.6V Through Hole 1 5 W DO-15 Voltage Regulator 5% 2 220mA 1µA 8.89mm -
RS Stock No. 103-3913
Mfr. Part No.1N5339BRLG
£0.092
Each (On a Reel of 4000)
Units
Single 5.6V Through Hole 1 5 W DO-15 Voltage Regulator 5% 2 220mA 1µA 8.89mm -
RS Stock No. 102-1393
Mfr. Part No.1N5339BG
£0.099
Each (In a Box of 1000)
Units
Single 5.6V Through Hole 1 5 W DO-15 Voltage Regulator 5% 2 220mA 1µA 8.89mm -
RS Stock No. 463-379
Mfr. Part No.1N5333BG
£0.252
Each (In a Pack of 10)
Units
Single 3.3V Through Hole 1 5 W DO-15 Voltage Regulator 5% 2 380mA 300µA 8.89mm -
RS Stock No. 625-6445
Mfr. Part No.1N5333BRLG
£0.328
Each (In a Pack of 5)
Units
Single 3.3V Through Hole 1 5 W DO-15 Voltage Regulator 5% 2 380mA 300µA 8.89mm -
RS Stock No. 100-9507
Mfr. Part No.1N5333BG
£0.099
Each (In a Box of 1000)
Units
Single 3.3V Through Hole 1 5 W DO-15 Voltage Regulator 5% 2 380mA 300µA 8.89mm -
RS Stock No. 544-3575
Mfr. Part No.BZX79-C4V7,113
BrandNexperia
£0.089
Each (In a Pack of 20)
Units
Single 4.7V Through Hole 1 500 mW DO-35 Voltage Regulator 5% 2 5mA 80Ω 3µA 4.25mm -
RS Stock No. 103-3897
Mfr. Part No.1N5333BRLG
£0.091
Each (On a Reel of 4000)
Units
Single 3.3V Through Hole 1 5 W DO-15 Voltage Regulator 5% 2 380mA 300µA 8.89mm -
RS Stock No. 103-3902
Mfr. Part No.1N5337BG
£0.104
Each (In a Box of 1000)
Units
Single 4.7V Through Hole 1 5 W DO-15 Voltage Regulator 5% 2 260mA 5µA 8.89mm -
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