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 Width
RS Stock No. 103-7575
Mfr. Part No.BZX79-C10,113
BrandNexperia
TWD0.60
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 1.85mm
RS Stock No. 544-4461
Mfr. Part No.BZX79-C10,113
BrandNexperia
TWD3.80
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 1.85mm
RS Stock No. 136-4796
Mfr. Part No.BZX79-C10,133
BrandNexperia
TWD0.60
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 -
RS Stock No. 136-4833
Mfr. Part No.BZX79-C10,133
BrandNexperia
TWD1.60
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 -
RS Stock No. 805-7111
Mfr. Part No.SZMMSZ5259BT1G
TWD2.60
Each (In a Pack of 100)
units
Single 39V Surface Mount 1 500 mW SOD-123 Voltage Regulator 5% 2 3.2mA 80Ω 100nA 2.84mm 1.8mm
RS Stock No. 163-0823
Mfr. Part No.SZMMSZ5259BT1G
TWD1.50
Each (On a Reel of 3000)
units
Single 39V Surface Mount 1 500 mW SOD-123 Voltage Regulator 5% 2 3.2mA 80Ω 100nA 2.84mm 1.8mm
RS Stock No. 738-5058
Mfr. Part No.MMSZ5245B-7-F
TWD2.10
Each (In a Pack of 100)
units
Single 15V Surface Mount 1 500 mW SOD-123 Voltage Regulator 5% 2 8.5mA 600Ω 100nA 2.85mm 1.7mm
RS Stock No. 121-9491
Mfr. Part No.MMSZ5245B-7-F
TWD1.00
Each (On a Reel of 3000)
units
Single 15V Surface Mount 1 500 mW SOD-123 Voltage Regulator 5% 2 8.5mA 600Ω 100nA 2.85mm 1.7mm
RS Stock No. 165-6013
Mfr. Part No.TZX6V8C-TR
BrandVishay
TWD0.80
Each (On a Reel of 10000)
units
Single 6.8V Through Hole 1 500 mW DO-35 Voltage Regulator 2% 2 5mA 15Ω 1µA 3.9mm -
RS Stock No. 165-2980
Mfr. Part No.SML4754A-E3/61
BrandVishay
TWD5.80
Each (On a Reel of 1800)
units
Single 39V Surface Mount 1 1 W DO-214AC (SMA) - 5% 2 6.5mA 60Ω 5µA 5.2mm 2.67mm
RS Stock No. 710-4480
Mfr. Part No.SML4754A-E3/61
BrandVishay
TWD12.80
Each (In a Pack of 10)
units
Single 39V Surface Mount 1 1 W DO-214AC (SMA) - 5% 2 6.5mA 60Ω 5µA 5.2mm 2.67mm
RS Stock No. 738-4951
Mfr. Part No.BZT52C5V1-7-F
TWD2.20
Each (In a Pack of 200)
units
Single 5.1V Surface Mount 1 500 mW SOD-123 General Purpose 6% 2 5mA 480Ω 2µA 2.85mm 1.7mm
RS Stock No. 121-9478
Mfr. Part No.BZT52C5V1-7-F
TWD1.00
Each (On a Reel of 3000)
units
Single 5.1V Surface Mount 1 500 mW SOD-123 Voltage Regulator 6% 2 5mA 480Ω 2µA 2.85mm 1.7mm
RS Stock No. 818-5146
Mfr. Part No.TZX6V8C-TR
BrandVishay
TWD2.30
Each (In a Pack of 200)
units
Single 6.8V Through Hole 1 500 mW DO-35 Voltage Regulator 2% 2 5mA 15Ω 1µA 3.9mm -
RS Stock No. 165-8705
Mfr. Part No.BZX384-B7V5
BrandNexperia
TWD0.80
Each (On a Reel of 3000)
units
Single 7.5V Surface Mount 1 300 mW SOD-323 Voltage Regulator 2% 2 5mA 15Ω 1µA 1.8mm 1.35mm
RS Stock No. 770-4885
Mfr. Part No.DDZ16CSF-7
TWD1.70
Each (On a Tape of 100)
units
Single 16V Surface Mount 1 500 mW SOD-323F Voltage Regulator 2.5% 2 10mA 40Ω 70nA 1.8mm 1.35mm
RS Stock No. 811-5958
Mfr. Part No.1N5227B-TR
BrandVishay
TWD3.50
Each (In a Pack of 250)
units
Single 3.6V Through Hole 1 500 mW DO-35 General Purpose 5% 2 20mA 24Ω 15µA 3.9mm -
RS Stock No. 802-4666
Mfr. Part No.MM5Z15VT1G
TWD1.90
Each (On a Tape of 200)
units
Single 15V Surface Mount 1 500 mW SOD-523 Voltage Regulator 5% 2 5mA 30Ω 50nA 1.3mm 0.9mm
RS Stock No. 751-3819
Mfr. Part No.BZT52C9V1-7-F
TWD2.20
Each (On a Tape of 100)
units
Single 9.1V Surface Mount 1 500 mW SOD-123 Voltage Regulator 6% 2 5mA 15Ω 500nA 2.85mm 1.7mm
RS Stock No. 169-0677
Mfr. Part No.BZT52C9V1-7-F
TWD1.00
Each (On a Reel of 3000)
units
Single 9.1V Surface Mount 1 500 mW SOD-123 Voltage Regulator 6% 2 5mA 15Ω 500nA 2.85mm 1.7mm