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 544-3503
製造零件編號BZX79-C2V4,113
BrandNexperia
HK$0.706
/個 (每包:20個)
單位
Single 2.4V Through Hole 1 500 mW DO-35 Voltage Regulator 5% 2 5mA 100Ω 50µA 4.25mm -
RS庫存編號 544-4499
製造零件編號BZX79-C18,113
BrandNexperia
HK$0.89
/個 (每包:20個)
單位
Single 18V Through Hole 1 500 mW DO-35 Voltage Regulator 5% 2 5mA 45Ω 50nA 4.25mm -
RS庫存編號 136-4880
製造零件編號BZX79-C18,133
BrandNexperia
HK$0.351
/個 (每包:100個)
單位
Single 18V Through Hole 1 500 mW SOD27 (DO-35) Voltage Regulator ±2 %, ±5 % 2 5mA 225 Ω @ 1 mA - 4.25mm 1.85mm
RS庫存編號 166-0306
製造零件編號BZX79-C18,113
BrandNexperia
HK$0.15
個 (在毎卷:10000)
單位
Single 18V Through Hole 1 500 mW DO-35 Voltage Regulator 5% 2 5mA 45Ω 50nA 4.25mm -
RS庫存編號 816-6791
製造零件編號PLVA662A,215
BrandNexperia
HK$1.362
/個 (每包:50個)
單位
Single 6.2V Surface Mount 1 250 mW SOT-23 Avalanche 3% 3 0.25mA - 100nA 3mm -
RS庫存編號 165-8781
製造零件編號PLVA662A,215
BrandNexperia
HK$0.659
個 (在毎卷:3000)
單位
Single 6.2V Surface Mount 1 250 mW SOT-23 Avalanche 3% 3 0.25mA - 100nA 3mm -
RS庫存編號 136-4791
製造零件編號BZX79-C18,133
BrandNexperia
HK$0.17
Each (On a Tape of 10000)
單位
Single 18V Through Hole 1 500 mW SOD27 (DO-35) Voltage Regulator ±2 %, ±5 % 2 5mA 225 Ω @ 1 mA - 4.25mm 1.85mm
RS庫存編號 166-0304
製造零件編號BZX79-C8V2,113
BrandNexperia
HK$0.155
個 (在毎卷:10000)
單位
Single 8.2V Through Hole 1 500 mW DO-35 Voltage Regulator 5% 2 5mA 15Ω 700nA 4.25mm -
RS庫存編號 544-4449
製造零件編號BZX79-C8V2,113
BrandNexperia
HK$0.633
/個 (每包:20個)
單位
Single 8.2V Through Hole 1 500 mW DO-35 Voltage Regulator 5% 2 5mA 15Ω 700nA 4.25mm -
RS庫存編號 509-548
製造零件編號BZX84-C6V8,215
BrandNexperia
HK$0.337
/個 (每包:200個)
單位
Single 6.8V Surface Mount 1 250 mW SOT-23 (TO-236AB) Voltage Regulator 5% 3 5mA 15Ω 2µA 3mm -
RS庫存編號 816-0453
製造零件編號BZX84J-C2V4,115
BrandNexperia
HK$0.32
/個 (每包:150個)
單位
Single 2V Surface Mount 1 550 mW SOD-323F General Purpose 5% 2 5mA - 50µA 1.8mm -
RS庫存編號 166-1238
製造零件編號BZX79-C68,113
BrandNexperia
HK$0.145
個 (在毎卷:5000)
單位
Single 68V Through Hole 1 500 mW DO-35 Voltage Regulator 5% 2 2mA 240Ω 50nA 4.25mm -
RS庫存編號 165-9970
製造零件編號BZX84J-C2V4,115
BrandNexperia
HK$0.207
個 (在毎卷:3000)
單位
Single 2V Surface Mount 1 550 mW SOD-323F General Purpose 5% 2 5mA - 50µA 1.8mm -
RS庫存編號 166-1315
製造零件編號BZX84-C6V8,215
BrandNexperia
HK$0.121
個 (在毎卷:3000)
單位
Single 6.8V Surface Mount 1 250 mW SOT-23 (TO-236AB) Voltage Regulator 5% 3 5mA 15Ω 2µA 3mm -
RS庫存編號 509-144
製造零件編號BZX79-C68,113
BrandNexperia
HK$0.243
/個 (每包:100個)
單位
Single 68V Through Hole 1 500 mW DO-35 Voltage Regulator 5% 2 2mA 240Ω 50nA 4.25mm -
RS庫存編號 170-8024
製造零件編號BZX84-C6V8,235
BrandNexperia
HK$0.121
個 (在毎卷:10000)
單位
Single 6.8V Surface Mount 1 250 mW TO-236 Voltage Regulator ±5% 3 10mA - 2µA 3mm -
RS庫存編號 725-8234
製造零件編號BZV55-B5V6,115
BrandNexperia
HK$0.658
/個 (每包:100個)
單位
Single 5.6V Surface Mount 1 500 mW MiniMELF Voltage Regulator 2% 2 5mA 40Ω 1µA 3.7mm -
RS庫存編號 788-362
製造零件編號BZV55-C2V4,115
BrandNexperia
HK$0.563
/個 (每包:25個)
單位
Single 2.4V Surface Mount 1 500 mW MiniMELF Voltage Regulator 5% 2 5mA 100Ω 50µA 3.7mm -
RS庫存編號 436-8215
製造零件編號BZX84-C3V6,215
BrandNexperia
HK$0.297
/個 (每包:50個)
單位
Single 3.6V Surface Mount 1 250 mW SOT-23 (TO-236AB) Voltage Regulator 5% 3 5mA 90Ω 5µA 3mm -
RS庫存編號 179-1175
製造零件編號BZX79-C30,113
BrandNexperia
HK$0.155
個 (在毎卷:10000)
單位
Single 30V Through Hole 1 500 mW DO-35 Voltage Regulator 5% 2 2mA 80Ω 50nA 4.25mm -