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 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 Dimensions Automotive Standard
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 3.68 (Dia.) x 8.89mm -
RS Stock No. 792-5319
Mfr. Part No.1N5352BRLG
£0.279
Each (In a Pack of 20)
Units
Single 15V Through Hole 1 5 W - Voltage Regulator 5% 2 75mA 2.5Ω 1µA 3.68 (Dia.) x 8.89mm -
RS Stock No. 100-7583
Mfr. Part No.1N5352BG
£0.111
Each (In a Box of 1000)
Units
Single 15V Through Hole 1 5 W DO-15 Voltage Regulator 5% 2 75mA 2.5Ω 1µA 8.89 x 3.68 x 3.68mm -
RS Stock No. 463-280
Mfr. Part No.1N5352BG
£0.283
Each (In a Pack of 10)
Units
Single 15V Through Hole 1 5 W 017AA-01 Voltage Regulator ±5% 2 75mA 2.5Ω 1µA 8.89 x 3.68 x 3.68mm -
RS Stock No. 103-7575
Mfr. Part No.BZX79-C10,113
BrandNexperia
£0.014
Each (On a Reel of 10000)
Units
Single 10V Through Hole 1 500 mW DO-35 Voltage Regulator 5% 2 5mA 20Ω 200nA 4.25 x 1.85 x 1.85mm -
RS Stock No. 136-4833
Mfr. Part No.BZX79-C10,133
BrandNexperia
£0.036
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 - 1.85 (Dia.) x 4.25mm -
RS Stock No. 136-4796
Mfr. Part No.BZX79-C10,133
BrandNexperia
£0.014
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 - 1.85 (Dia.) x 4.25mm -
RS Stock No. 544-4461
Mfr. Part No.BZX79-C10,113
BrandNexperia
£0.086
Each (In a Pack of 20)
Units
Single 10V Through Hole 1 500 mW DO-35 Voltage Regulator 5% 2 5mA 20Ω 200nA 4.25 x 1.85 x 1.85mm -
RS Stock No. 805-0047
Mfr. Part No.1N4733ATR
£0.049
Each (In a Pack of 100)
Units
Single 5.1V Through Hole 1 1 W DO-41 General Purpose 5% 2 49mA 10µA 2.72 (Dia.) x 5.2mm -
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 8.89 x 3.68 x 3.68mm -
RS Stock No. 463-791
Mfr. Part No.1N5339BG
£0.264
Each (In a Pack of 10)
Units
Single 5.6V Through Hole 1 5 W DO-15 Voltage Regulator 5% 2 220mA 1µA 8.89 x 3.68 x 3.68mm -
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 8.89 x 3.68 x 3.68mm -
RS Stock No. 102-1393
Mfr. Part No.1N5339BG
£0.108
Each (In a Box of 1000)
Units
Single 5.6V Through Hole 1 5 W DO-15 Voltage Regulator 5% 2 220mA 1µA 8.89 x 3.68 x 3.68mm -
RS Stock No. 463-379
Mfr. Part No.1N5333BG
£0.266
Each (In a Pack of 10)
Units
Single 3.3V Through Hole 1 5 W DO-15 Voltage Regulator 5% 2 380mA 300µA 8.89 x 3.68 x 3.68mm -
RS Stock No. 625-6445
Mfr. Part No.1N5333BRLG
£0.296
Each (In a Pack of 5)
Units
Single 3.3V Through Hole 1 5 W DO-15 Voltage Regulator 5% 2 380mA 300µA 8.89 x 3.68 x 3.68mm -
RS Stock No. 100-9507
Mfr. Part No.1N5333BG
£0.102
Each (In a Box of 1000)
Units
Single 3.3V Through Hole 1 5 W DO-15 Voltage Regulator 5% 2 380mA 300µA 8.89 x 3.68 x 3.68mm -
RS Stock No. 103-3897
Mfr. Part No.1N5333BRLG
£0.093
Each (On a Reel of 4000)
Units
Single 3.3V Through Hole 1 5 W DO-15 Voltage Regulator 5% 2 380mA 300µA 8.89 x 3.68 x 3.68mm -
RS Stock No. 544-3575
Mfr. Part No.BZX79-C4V7,113
BrandNexperia
£0.086
Each (In a Pack of 20)
Units
Single 4.7V Through Hole 1 500 mW DO-35 Voltage Regulator 5% 2 5mA 80Ω 3µA 4.25 x 1.85 x 1.85mm -
RS Stock No. 625-6552
Mfr. Part No.1N5337BG
£0.262
Each (In a Pack of 10)
Units
Single 4.7V Through Hole 1 5 W DO-15 Voltage Regulator 5% 2 260mA 5µA 8.89 x 3.68 x 3.68mm -
RS Stock No. 792-5307
Mfr. Part No.1N5337BRLG
£0.262
Each (In a Pack of 20)
Units
Single 4.7V Through Hole 1 5 W - Voltage Regulator 5% 2 260mA 5µA 3.68 (Dia.) x 8.89mm -