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庫存編號 188-157
製造零件編號RD3.6S-A
HK$1.425
/個 (每包:25個)
單位
Single 3.6V Surface Mount 1 200 mW Super MiniMold General Purpose - 2 5mA 130Ω 10µA 1.7mm -
RS庫存編號 188-135
製造零件編號RD3.0S-A
HK$1.425
/個 (每包:25個)
單位
Single 3V Surface Mount 1 200 mW Super MiniMold General Purpose - 2 5mA 120Ω 50µA 1.7mm -
RS庫存編號 772-6554
製造零件編號RD5.1UM-T1-A
HK$1.085
個 (在毎卷:50)
單位
Single 5.1V Surface Mount 1 150 mW - Voltage Regulator - 2 5mA 130Ω 5µA 1.3mm -
RS庫存編號 188-028
製造零件編號RD7.5FM-AZ
HK$2.067
/個 (每包:25個)
單位
Single 7.5V Surface Mount 1 1 W Power Mini-Mold - 6% 2 5mA 25Ω 20µA 4.3mm -
RS庫存編號 188-179
製造零件編號RD4.3S-A
HK$0.887
/個 (每包:25個)
單位
Single 4.3V Surface Mount 1 200 mW Super MiniMold General Purpose - 2 5mA 130Ω 10µA 1.7mm -
RS庫存編號 188-084
製造零件編號RD13S-A
HK$1.425
/個 (每包:25個)
單位
Single 13V Surface Mount 1 200 mW Super MiniMold General Purpose - 2 5mA 35Ω 2µA 1.7mm -
RS庫存編號 188-214
製造零件編號RD6.8S-A
HK$1.425
/個 (每包:25個)
單位
Single 6.8V Surface Mount 1 200 mW Super MiniMold General Purpose - 2 5mA 30Ω 2µA 1.7mm -
RS庫存編號 188-236
製造零件編號RD8.2S-A
HK$1.425
/個 (每包:25個)
單位
Single 8.2V Surface Mount 1 200 mW Super MiniMold General Purpose - 2 5mA 30Ω 2µA 1.7mm -
RS庫存編號 188-129
製造零件編號RD20S-A
HK$1.425
/個 (每包:25個)
單位
Single 20V Surface Mount 1 200 mW Super MiniMold General Purpose - 2 5mA 50Ω 2µA 1.7mm -
RS庫存編號 188-208
製造零件編號RD6.2S-A
HK$1.425
/個 (每包:25個)
單位
Single 6.2V Surface Mount 1 200 mW Super MiniMold General Purpose - 2 5mA 50Ω 2µA 1.7mm -
RS庫存編號 188-090
製造零件編號RD15S-A
HK$1.26
/個 (每包:25個)
單位
Single 15V Surface Mount 1 200 mW Super MiniMold General Purpose - 2 5mA 40Ω 2µA 1.7mm -
RS庫存編號 188-056
製造零件編號RD10S-A
HK$1.425
/個 (每包:25個)
單位
Single 10V Surface Mount 1 200 mW Super MiniMold General Purpose - 2 5mA 30Ω 2µA 1.7mm -
RS庫存編號 188-185
製造零件編號RD4.7S-A
HK$1.425
/個 (每包:25個)
單位
Single 4.7V Surface Mount 1 200 mW Super MiniMold General Purpose - 2 5mA 130Ω 10µA 1.7mm -
RS庫存編號 188-078
製造零件編號RD12S-A
HK$0.59
/個 (每包:25個)
單位
Single 12V Surface Mount 1 200 mW Super MiniMold General Purpose - 2 5mA 35Ω 2µA 1.7mm -
RS庫存編號 188-220
製造零件編號RD7.5S-A
HK$0.999
/個 (每包:25個)
單位
Single 7.5V Surface Mount 1 200 mW Super MiniMold General Purpose - 2 5mA 30Ω 2µA 1.7mm -
RS庫存編號 188-062
製造零件編號RD11S-A
HK$1.425
/個 (每包:25個)
單位
Single 11V Surface Mount 1 200 mW Super MiniMold General Purpose - 2 5mA 30Ω 2µA 1.7mm -
RS庫存編號 772-6560
製造零件編號RD5.6UJ-T1-A
HK$1.085
個 (在毎卷:50)
單位
Single 5.6V Surface Mount 1 150 mW - Voltage Regulator - 2 0.5mA 200Ω 1µA 1.3mm -