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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Produkta apraksts Brand Stock Nominal Zener Voltage Diode Configuration Number of Elements per Chip Mounting Type Maximum Power Dissipation Package Type Zener Type Zener Voltage Tolerance Pin Count Test Current Maximum Zener Impedance Maximum Reverse Leakage Current Length Diameter Dimensions Width Typical Voltage Temperature Coefficient Height Power Dissipation Forward Current Maximum Operating Temperature Forward Voltage Minimum Operating Temperature
ON Semiconductor Zener Diode 1.51 W SMT 3 + Tab-Pin SOT-223 ON Semiconductor 0 - Single 1 Surface Mount 1.51 W SOT-223 - - 3 + Tab - - - 6.7mm - 6.7 x 3.7 x 1.65mm 3.7mm - 1.65mm 1.506W - +150 °C - -55 °C
ON Semiconductor Zener Diode 1.51 W SMT 3 + Tab-Pin SOT-223 ON Semiconductor 0 - Single 1 Surface Mount 1.51 W SOT-223 - - 3 + Tab - - - 6.7mm - 6.7 x 3.7 x 1.65mm 3.7mm - 1.65mm 1.506W - +150 °C - -55 °C
ON Semiconductor, 11V Zener Diode ±5% 5 W Through Hole 2-Pin CASE 017AA ON Semiconductor 0 11V Single 1 Through Hole 5 W Case 017AA Voltage Regulator ±5% 2 125mA 125 Ω @ 1 mA, 2.5 Ω @ 125 mA 8µA - 3.68mm 3.68 Dia. x 8.89mm - - 8.89mm 5W 1A +200 °C 1.2V -65 °C
ON Semiconductor, 11V Zener Diode ±5% 5 W Through Hole 2-Pin CASE 017AA ON Semiconductor 0 11V Single 1 Through Hole 5 W Case 017AA Voltage Regulator ±5% 2 125mA 125 Ω @ 1 mA, 2.5 Ω @ 125 mA 8µA - 3.68mm 3.68 (Dia.) x 8.89mm - - 8.89mm 5W 1A +200 °C 1.2V -65 °C
ON Semiconductor, 120V Zener Diode ±5% 5 W Through Hole 2-Pin CASE 017AA ON Semiconductor 0 120V Single 1 Through Hole 5 W Case 017AA Voltage Regulator ±5% 2 10mA 1150Ω 500nA - 3.68mm 3.68 Dia. x 8.89mm - - 8.89mm 5W 1A +200 °C 1.2V -65 °C
ON Semiconductor, 120V Zener Diode ±5% 5 W Through Hole 2-Pin CASE 017AA ON Semiconductor 0 120V Single 1 Through Hole 5 W Case 017AA Voltage Regulator ±5% 2 10mA 1150Ω 500nA - 3.68mm 3.68 Dia. x 8.89mm - - 8.89mm 5W 1A +200 °C 1.2V -65 °C
ON Semiconductor, 12V Zener Diode 300 mW SMT 2-Pin SOD-323 ON Semiconductor 0 12V Single 1 Surface Mount 300 mW SOD-323 Voltage Regulator - 2 5mA 80Ω 100nA 1.8mm - 1.8 x 1.35 x 0.9mm 1.35mm - 0.9mm 300mW 10mA +150 °C 0.9V -65 °C
ON Semiconductor, 12V Zener Diode 300 mW SMT 2-Pin SOD-323 ON Semiconductor 0 12V Single 1 Surface Mount 300 mW SOD-323 Voltage Regulator - 2 5mA 80Ω 100nA 1.8mm - 1.8 x 1.35 x 0.9mm 1.35mm - 0.9mm 300mW 10mA +150 °C 0.9V -65 °C
ON Semiconductor, 15V Zener Diode 5% 500 mW SMT 2-Pin SOD-123 ON Semiconductor 0 15V Single 1 Surface Mount 500 mW SOD-123 Voltage Regulator 5% 2 8.5mA 600Ω 100nA 2.84mm - 2.84 x 1.8 x 1.25mm 1.8mm - 1.25mm 500mW 10mA +150 °C 0.9V -55 °C
ON Semiconductor, 15V Zener Diode 5% 500 mW SMT 2-Pin SOD-123 ON Semiconductor 0 15V Single 1 Surface Mount 500 mW SOD-123 Voltage Regulator 5% 2 8.5mA 600Ω 100nA 2.84mm - 2.84 x 1.8 x 1.25mm 1.8mm - 1.25mm 500mW 10mA +150 °C 0.9V -55 °C
ON Semiconductor, 15V Zener Diode ±5% 1.5 W SMT 2-Pin SMA (CASE 403D) ON Semiconductor 0 15V Single 1 Surface Mount 1.5 W SMA (CASE 403D) Voltage Regulator ±5% 2 25mA 600 Ω @ 0.25 mA, 9 Ω @ 25 mA 500nA 4.57mm - 4.57 x 2.92 x 2mm 2.92mm - 2mm 1.5W 200mA +150 °C 1.2V -65 °C
ON Semiconductor, 15V Zener Diode ±5% 1.5 W SMT 2-Pin SMA (CASE 403D) ON Semiconductor 0 15V Single 1 Surface Mount 1.5 W SMA (CASE 403D) Voltage Regulator ±5% 2 25mA 600 Ω @ 0.25 mA, 9 Ω @ 25 mA 500nA 4.57mm - 4.57 x 2.92 x 2mm 2.92mm - 2mm 1.5W 200mA +150 °C 1.2V -65 °C
ON Semiconductor, 160V Zener Diode ±5% 5 W Through Hole 2-Pin CASE 017AA ON Semiconductor 0 160V Single 1 Through Hole 5 W Case 017AA Voltage Regulator ±5% 2 8mA 1650Ω 500nA - 3.68mm 3.68 Dia. x 8.89mm - - 8.89mm 5W 1A +200 °C 1.2V -65 °C
ON Semiconductor, 160V Zener Diode ±5% 5 W Through Hole 2-Pin CASE 017AA ON Semiconductor 0 160V Single 1 Through Hole 5 W Case 017AA Voltage Regulator ±5% 2 8mA 1650Ω 500nA - 3.68mm 3.68 Dia. x 8.89mm - - 8.89mm 5W 1A +200 °C 1.2V -65 °C
ON Semiconductor, 180V Zener Diode ±5% 5 W Through Hole 2-Pin CASE 017AA ON Semiconductor 0 180V Single 1 Through Hole 5 W Case 017AA Voltage Regulator ±5% 2 5mA 1750Ω 500nA - 3.68mm 3.68 Dia. x 8.89mm - - 8.89mm 5W 1A +200 °C 1.2V -65 °C
ON Semiconductor, 180V Zener Diode ±5% 5 W Through Hole 2-Pin CASE 017AA ON Semiconductor 0 180V Single 1 Through Hole 5 W Case 017AA Voltage Regulator ±5% 2 5mA 1750Ω 500nA - 3.68mm 3.68 Dia. x 8.89mm - - 8.89mm 5W 1A +200 °C 1.2V -65 °C
ON Semiconductor, 18V Zener Diode ±2% 200 mW SMT 2-Pin SOD-323F ON Semiconductor 0 18V Single 1 Surface Mount 200 mW SOD-323F Voltage Regulator ±2% 2 5mA 212Ω 45nA 1.7mm - 1.7 x 1.3 x 1mm 1.3mm - 1mm 200mW 10mA +150 °C 1V -65 °C
ON Semiconductor, 18V Zener Diode ±2% 200 mW SMT 2-Pin SOD-323F ON Semiconductor 0 18V Single 1 Surface Mount 200 mW SOD-323F Voltage Regulator ±2% 2 5mA 212Ω 45nA 1.7mm - 1.7 x 1.3 x 1mm 1.3mm - 1mm 200mW 10mA +150 °C 1V -65 °C
ON Semiconductor, 18V Zener Diode ±5% 5 W Through Hole 2-Pin CASE 017AA ON Semiconductor 0 18V Single 1 Through Hole 5 W Case 017AA Voltage Regulator ±5% 2 65mA 75Ω 500nA - 3.68mm 3.68 Dia. x 8.89mm - - 8.89mm 5W 1A +200 °C 1.2V -65 °C
ON Semiconductor, 18V Zener Diode ±5% 5 W Through Hole 2-Pin CASE 017AA ON Semiconductor 0 18V Single 1 Through Hole 5 W Case 017AA Voltage Regulator ±5% 2 65mA 75Ω 500nA - 3.68mm 3.68 Dia. x 8.89mm - - 8.89mm 5W 1A +200 °C 1.2V -65 °C
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