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 Dimensions Automotive Standard
RS Stock No. 463-280
Mfr. Part No.1N5352BG
TWD11.00
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. 654-7662
Mfr. Part No.1N5366BRLG
TWD15.00
Each (In a Pack of 5)
units
Single 39V Through Hole 1 5 W DO-15 Voltage Regulator 5% 2 30mA 14Ω 500nA 8.89 x 3.68 x 3.68mm -
RS Stock No. 670-8867
Mfr. Part No.BZX85C15
TWD5.90
Each (In a Pack of 20)
units
Single 15V Through Hole 1 1 W DO-41 - 5% 2 15mA 15Ω 500nA 5.21 x 2.72 x 2.72mm -
RS Stock No. 165-8755
Mfr. Part No.UDZ5V6B-7
TWD1.40
Each (On a Reel of 3000)
units
Single 5.6V Surface Mount 1 200 mW SOD-323 General Purpose 2% 2 5mA 60Ω 1µA 1.8 x 1.4 x 1.1mm -
RS Stock No. 100-7583
Mfr. Part No.1N5352BG
TWD4.30
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. 770-4894
Mfr. Part No.DDZ18ASF-7
TWD2.00
Each (In a Pack of 100)
units
Single 16V Surface Mount 1 500 mW SOD-323F Voltage Regulator 2.5% 2 10mA 45Ω 70nA 1.8 x 1.35 x 0.75mm -
RS Stock No. 751-3676
Mfr. Part No.BZT52C11-7-F
TWD2.20
Each (On a Tape of 250)
units
Single 11V Surface Mount 1 500 mW SOD-123 Voltage Regulator 5% 2 5mA 20Ω 100nA 2.85 x 1.7 x 1.35mm -
RS Stock No. 802-1834
Mfr. Part No.MMSZ3V0T1G
TWD1.80
Each (On a Tape of 200)
units
Single 3V Surface Mount 1 500 mW SOD-123 Voltage Regulator 5% 2 5mA 95Ω 10µA 2.84 x 1.8 x 1.25mm -
RS Stock No. 184-4630
Mfr. Part No.BZX84C2V7LT1G
TWD1.30
Each (In a Pack of 250)
units
Single 2.7V Surface Mount 1 300 mW SOT-23 Voltage Regulator ±5% 3 5mA 100Ω 20µA 3.04 x 1.4 x 1.01mm AEC-Q101
RS Stock No. 146-0861
Mfr. Part No.BZX585-C15,115
BrandNexperia
TWD1.30
Each (On a Reel of 3000)
units
Single 16V Surface Mount 1 300 mW SOD-523 Voltage Regulator 5% 2 5mA 15Ω 50nA 1.25 x 0.85 x 0.65mm -
RS Stock No. 145-3616
Mfr. Part No.MMSZ3V0T1G
TWD1.00
Each (On a Reel of 3000)
units
Single 3V Surface Mount 1 500 mW SOD-123 Voltage Regulator 5% 2 5mA 95Ω 10µA 2.84 x 1.8 x 1.25mm -
RS Stock No. 136-4791
Mfr. Part No.BZX79-C18,133
BrandNexperia
TWD0.60
Each (On a Tape of 10000)
units
Single 18V Through Hole 1 500 mW SOD27 (DO-35) Voltage Regulator ±2 %, ±5 % 2 5mA 225 Ω @ 1 mA - 1.85 (Dia.) x 4.25mm -
RS Stock No. 122-2376
Mfr. Part No.MMSZ5239B-7-F
TWD1.10
Each (On a Reel of 3000)
units
Single 9.1V Surface Mount 1 500 mW SOD-123 General Purpose 5% 2 20mA 10Ω 3µA 2.85 x 1.7 x 1.35mm -
RS Stock No. 816-7943
Mfr. Part No.BZX585-B3V3
BrandNexperia
TWD1.80
Each (In a Pack of 100)
units
Single 3.3V Surface Mount 1 300 mW SOD-523 Voltage Regulator 2% 2 5mA 95Ω 5µA 1.25 x 0.85 x 0.65mm -
RS Stock No. 165-8728
Mfr. Part No.BZX585-B3V3
BrandNexperia
TWD1.00
Each (On a Reel of 3000)
units
Single 3.3V Surface Mount 1 300 mW SOD-523 Voltage Regulator 2% 2 5mA 95Ω 5µA 1.25 x 0.85 x 0.65mm -
RS Stock No. 177-7456
Mfr. Part No.TZX8V2B-TR
BrandVishay
TWD1.00
Each (On a Reel of 10000)
units
Single 8.1V Through Hole 1 500 mW DO-35 Voltage Regulator 2% 2 5mA 20Ω 1µA 1.7 (Dia.) x 3.9mm -
RS Stock No. 163-2535
Mfr. Part No.MMSZ5V6T1G
TWD1.10
Each (On a Reel of 3000)
units
Single 5.6V Surface Mount 1 500 mW SOD-123 Voltage Regulator 5% 2 5mA 40Ω 1µA 2.69 x 1.6 x 1.12mm -
RS Stock No. 163-1932
Mfr. Part No.1N5386BRLG
TWD4.20
Each (On a Reel of 4000)
units
Single 180V Through Hole 1 5 W DO-15 Voltage Regulator 5% 2 5mA 430Ω 500nA 3.68 (Dia.) x 8.89mm -
RS Stock No. 545-3140
Mfr. Part No.MMSZ5242BT1G
TWD6.10
Each (In a Pack of 20)
units
Single 12V Surface Mount 1 500 mW SOD-123 Voltage Regulator 5% 2 20mA 30Ω 1µA 2.69 x 1.6 x 1.12mm -
RS Stock No. 184-4203
Mfr. Part No.BZX84C2V7LT1G
TWD0.70
Each (On a Reel of 3000)
units
Single 2.7V Surface Mount 1 300 mW SOT-23 Voltage Regulator ±5% 3 5mA 100Ω 20µA 3.04 x 1.4 x 1.01mm AEC-Q101