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. 738-5046
Mfr. Part No.MMSZ5231B-7-F
R 0.498
Each (In a Pack of 100)
units
Single 5.1V Surface Mount 1 500 mW SOD-123 Voltage Regulator 5% 2 20mA 17Ω 5µA 2.85mm -
RS stock no. 122-0299
Mfr. Part No.MMSZ5231B-7-F
R 0.462
Each (On a Reel of 3000)
units
Single 5.1V Surface Mount 1 500 mW SOD-123 Voltage Regulator 5% 2 20mA 17Ω 5µA 2.85mm -
RS stock no. 121-9476
Mfr. Part No.BZT52C12-7-F
R 0.444
Each (On a Reel of 3000)
units
Single 12V Surface Mount 1 500 mW SOD-123 Voltage Regulator 5% 2 5mA 150Ω 100nA 2.85mm -
RS stock no. 751-3679
Mfr. Part No.BZT52C12-13-F
R 0.759
Each (In a Pack of 250)
units
Single 12V Surface Mount 1 500 mW SOD-123 Voltage Regulator 5% 2 5mA 25Ω 100nA 2.85mm -
RS stock no. 738-4945
Mfr. Part No.BZT52C12-7-F
R 0.818
Each (On a Tape of 200)
units
Single 12V Surface Mount 1 500 mW SOD-123 Voltage Regulator 5% 2 5mA 150Ω 100nA 2.85mm -
RS stock no. 122-0898
Mfr. Part No.BZT52C12-13-F
R 0.375
Each (On a Reel of 10000)
units
Single 12V Surface Mount 1 500 mW SOD-123 Voltage Regulator 5% 2 5mA 25Ω 100nA 2.85mm -
RS stock no. 822-2056
Mfr. Part No.1SMB5921B-13
R 3.223
Each (In a Pack of 50)
units
Single 6.8V Surface Mount 1 3 W SMB General Purpose 5% 2 55.1mA 2.5Ω 5µA 4.57mm -
RS stock no. 122-2839
Mfr. Part No.1SMB5921B-13
R 1.654
Each (On a Reel of 3000)
units
Single 6.8V Surface Mount 1 3 W SMB General Purpose 5% 2 55.1mA 2.5Ω 5µA 4.57mm -
RS stock no. 751-3819
Mfr. Part No.BZT52C9V1-7-F
R 0.818
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 -
RS stock no. 751-5032
Mfr. Part No.SMAZ18-13-F
R 2.056
Each (In a Pack of 50)
units
Single 18V Surface Mount 1 1 W SMA Voltage Regulator 5% 2 25mA 15Ω 500nA 4.6mm -
RS stock no. 922-8468
Mfr. Part No.SMAZ18-13-F
R 1.413
Each (On a Reel of 5000)
units
Single 18V Surface Mount 1 1 W SMA Voltage Regulator 5% 2 25mA 15Ω 500nA 4.6mm -
RS stock no. 169-0677
Mfr. Part No.BZT52C9V1-7-F
R 0.441
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 -
RS stock no. 169-0786
Mfr. Part No.DDZ20ASF-7
R 0.37
Each (On a Reel of 3000)
units
Single 18.5V Surface Mount 1 500 mW SOD-323F Voltage Regulator 2.5% 2 10mA 50Ω 70nA 1.8mm -
RS stock no. 822-2059
Mfr. Part No.1SMB5923B-13
R 4.673
Each (In a Pack of 50)
units
Single 8.2V Surface Mount 1 3 W SMB General Purpose 5% 2 45.7mA 3.5Ω 5µA 4.57mm -
RS stock no. 121-9536
Mfr. Part No.DDZ9678-7
R 0.691
Each (On a Reel of 3000)
units
Single 1.8V Surface Mount 1 500 mW SOD-123 Voltage Regulator 5% 2 0.05mA - 7.5µA 2.85mm -
RS stock no. 122-0006
Mfr. Part No.AZ23C3V3-7-F
R 0.955
Each (On a Reel of 3000)
units
Common Anode 3.3V Surface Mount 2 300 mW SOT-23 ESD Suppressor 5% 3 5mA 500Ω 100nA 3mm -
RS stock no. 708-1848
Mfr. Part No.AZ23C3V3-7-F
R 1.612
Each (In a Pack of 50)
units
Common Anode 3.3V Surface Mount 2 300 mW SOT-23 ESD Suppressor 5% 3 5mA 500Ω 100nA 3mm -
RS stock no. 751-3922
Mfr. Part No.DDZ9678-7
R 0.594
Each (In a Pack of 100)
units
Single 1.8V Surface Mount 1 500 mW SOD-123 Voltage Regulator 5% 2 0.05mA - 7.5µA 2.85mm -
RS stock no. 770-5052
Mfr. Part No.DDZ20ASF-7
R 0.714
Each (In a Pack of 100)
units
Single 18.5V Surface Mount 1 500 mW SOD-323F Voltage Regulator 2.5% 2 10mA 50Ω 70nA 1.8mm -
RS stock no. 122-2840
Mfr. Part No.1SMB5923B-13
R 1.654
Each (On a Reel of 3000)
units
Single 8.2V Surface Mount 1 3 W SMB General Purpose 5% 2 45.7mA 3.5Ω 5µA 4.57mm -