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. 121-6442
Mfr. Part No.1N5352BRLG
TWD3.90
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. 751-3711
Mfr. Part No.BZT52C2V0-7-F
TWD2.50
Each (On a Tape of 250)
units
Single 2V Surface Mount 1 500 mW SOD-123 Voltage Regulator 5% 2 5mA 100Ω 150µA 2.85 x 1.7 x 1.35mm -
RS Stock No. 813-3846
Mfr. Part No.ZMY24-GS08
BrandVishay
TWD8.70
Each (In a Pack of 50)
units
Single 24V Surface Mount 1 1 W DO-213AB General Purpose 5% 2 25mA 14Ω 500nA 5.2 x 2.6mm -
RS Stock No. 654-7662
Mfr. Part No.1N5366BRLG
TWD14.40
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. 800-8844
Mfr. Part No.1N5937BRLG
TWD9.70
Each (In a Pack of 50)
units
Single 33V Through Hole 1 3 W Case 59-10 Voltage Regulator 5% 2 11.4mA 33 Ω, 800 Ω 250nA 2.7 (Dia.) x 5.2mm -
RS Stock No. 177-7526
Mfr. Part No.ZMY24-GS08
BrandVishay
TWD3.50
Each (On a Reel of 1500)
units
Single 24V Surface Mount 1 1 W DO-213AB General Purpose 5% 2 25mA 14Ω 500nA 5.2 x 2.6mm -
RS Stock No. 186-8764
Mfr. Part No.1N5366BG
TWD4.40
Each (In a Box of 1000)
units
Single 39V Through Hole 1 5 W CASE 017AA Voltage Regulator ±5% 2 30mA 170Ω 500nA 3.68 Dia. x 8.89mm -
RS Stock No. 816-6713
Mfr. Part No.PDZ3.9B,115
BrandNexperia
TWD2.00
Each (In a Pack of 200)
units
Single 3.9V Surface Mount 1 400 mW SOD-323 Voltage Regulator 2% 2 5mA - 3µA 1.8 x 1.35 x 1.05mm -
RS Stock No. 822-2270
Mfr. Part No.BZT52C51-7-F
TWD2.20
Each (In a Pack of 200)
units
Single 51V Surface Mount 1 500 mW SOD-123 General Purpose 6% 2 5mA 100Ω 100nA 2.85 x 1.7 x 1.35mm -
RS Stock No. 165-8822
Mfr. Part No.BZT52C51-7-F
TWD1.00
Each (On a Reel of 3000)
units
Single 51V Surface Mount 1 500 mW SOD-123 General Purpose 6% 2 5mA 100Ω 100nA 2.85 x 1.7 x 1.35mm -
RS Stock No. 177-7409
Mfr. Part No.BZX55B13-TR
BrandVishay
TWD1.00
Each (On a Reel of 10000)
units
Single 13V Through Hole 1 500 mW DO-35 Voltage Regulator 2% 2 5mA 26Ω 2µA 1.7 (Dia.) x 3.9mm -
RS Stock No. 751-3714
Mfr. Part No.BZT52C2V0S-7-F
TWD2.40
Each (In a Pack of 100)
units
Single 2V Surface Mount 1 200 mW SOD-323 Voltage Regulator 5% 2 5mA 100Ω 150µA 1.8 x 1.4 x 1.1mm -
RS Stock No. 145-5212
Mfr. Part No.MMSZ4707T1G
TWD1.00
Each (On a Reel of 3000)
units
Single 20V Surface Mount 1 500 mW SOD-123 Voltage Regulator - 2 0.05mA - 10nA 2.84 x 1.8 x 1.25mm -
RS Stock No. 484-3514
Mfr. Part No.PLVA650A,215
BrandNexperia
TWD8.10
Each (In a Pack of 10)
units
Single 5V Surface Mount 1 250 mW SOT-23 (TO-236AB) Avalanche 4% 3 0.25mA 700Ω 20µA 3 x 1.4 x 1mm -
RS Stock No. 463-280
Mfr. Part No.1N5352BG
TWD10.60
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. 808-0177
Mfr. Part No.MMSZ4683T1G
TWD2.00
Each (On a Tape of 500)
units
Single 3V Surface Mount 1 500 mW SOD-123 Voltage Regulator - 2 0.05mA - 800nA 2.84 x 1.8 x 1.25mm -
RS Stock No. 802-1869
Mfr. Part No.MMSZ4707T1G
TWD1.90
Each (On a Tape of 200)
units
Single 20V Surface Mount 1 500 mW SOD-123 Voltage Regulator - 2 0.05mA - 10nA 2.84 x 1.8 x 1.25mm -
RS Stock No. 163-0638
Mfr. Part No.MMSZ4683T1G
TWD1.10
Each (On a Reel of 3000)
units
Single 3V Surface Mount 1 500 mW SOD-123 Voltage Regulator - 2 0.05mA - 800nA 2.84 x 1.8 x 1.25mm -
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. 145-5162
Mfr. Part No.1N5937BRLG
TWD2.80
Each (On a Reel of 6000)
units
Single 33V Through Hole 1 3 W Case 59-10 Voltage Regulator 5% 2 11.4mA 33 Ω, 800 Ω 250nA 2.7 (Dia.) x 5.2mm -