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庫存編號 805-0081
製造零件編號1N4745ATR
HK$0.644
/個 (每包:100個)
單位
Single 16V Through Hole 1 1 W DO-41 General Purpose 5% 2 15.5mA 16Ω 5µA 2.72 (Dia.) x 5.2mm -
RS庫存編號 166-1238
製造零件編號BZX79-C68,113
BrandNexperia
HK$0.18
個 (在毎卷:5000)
單位
Single 68V Through Hole 1 500 mW DO-35 Voltage Regulator 5% 2 2mA 240Ω 50nA 4.25 x 1.85 x 1.85mm -
RS庫存編號 169-0478
製造零件編號UDZSTE-177.5B
BrandROHM
HK$0.432
個 (在毎卷:3000)
單位
Single 7.5V Surface Mount 1 200 mW SOD-323F Voltage Regulator 2% 2 5mA 30Ω 500nA 1.7 x 1.25 x 0.7mm -
RS庫存編號 751-3711
製造零件編號BZT52C2V0-7-F
HK$0.652
Each (On a Tape of 250)
單位
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庫存編號 178-7582
製造零件編號MMSZ5248BT1G
HK$0.282
個 (在毎卷:3000)
單位
Single 18V Surface Mount 1 500 mW SOD-123 Voltage Regulator 5% 2 7mA 21Ω 100nA 2.69 x 1.6 x 1.12mm -
RS庫存編號 476-0217
製造零件編號UDZSTE-17 7.5B
BrandROHM
HK$0.926
/個 (每包:100個)
單位
Single 7.5V Surface Mount 1 200 mW SOD-323F Voltage Regulator 2% 2 5mA 30Ω 500nA 1.7 x 1.25 x 0.7mm -
RS庫存編號 811-5961
製造零件編號1N5232B-TR
BrandVishay
HK$0.528
/個 (每包:250個)
單位
Single 5.6V Through Hole 1 500 mW DO-35 General Purpose 5% 2 20mA 11Ω 5µA 1.7 (Dia.) x 3.9mm -
RS庫存編號 687-8256
製造零件編號MMSZ18T1G
HK$1.492
/個 (每包:25個)
單位
Single 18V Surface Mount 1 500 mW SOD-123 Voltage Regulator 5% 2 5mA 45Ω 50nA 2.69 x 1.6 x 1.12mm -
RS庫存編號 165-2350
製造零件編號SML4740-E3/61
BrandVishay
HK$2.427
個 (在毎卷:1800)
單位
Single 10V Surface Mount 1 1 W SMA - 10% 2 25mA 10µA - -
RS庫存編號 145-2219
製造零件編號BZX85C6V2-TAP
BrandVishay
HK$0.479
個 (在毎卷:5000)
單位
Single 6.2V Through Hole 1 1.3 W DO-41 Voltage Regulator 6% 2 35mA 1µA 4.1 x 2.6 x 2.6mm -
RS庫存編號 463-379
製造零件編號1N5333BG
HK$2.905
/個 (每包:10個)
單位
Single 3.3V Through Hole 1 5 W DO-15 Voltage Regulator 5% 2 380mA 300µA 8.89 x 3.68 x 3.68mm -
RS庫存編號 186-9308
製造零件編號1N5366BG
HK$2.812
/個 (每包:25個)
單位
Single 39V Through Hole 1 5 W CASE 017AA Voltage Regulator ±5% 2 30mA 170Ω 500nA 3.68 Dia. x 8.89mm -
RS庫存編號 625-6445
製造零件編號1N5333BRLG
HK$3.966
/個 (每包:5個)
單位
Single 3.3V Through Hole 1 5 W DO-15 Voltage Regulator 5% 2 380mA 300µA 8.89 x 3.68 x 3.68mm -
RS庫存編號 159-6363
製造零件編號1N5231B-TR
BrandVishay
HK$0.203
個 (在毎卷:10000)
單位
Single 5.1V Through Hole 1 500 mW DO-35 General Purpose 5% 2 20mA 17Ω 5µA 1.7 (Dia.) x 3.9mm -
RS庫存編號 145-4102
製造零件編號MMSZ18T1G
HK$0.276
個 (在毎卷:3000)
單位
Single 18V Surface Mount 1 500 mW SOD-123 Voltage Regulator 5% 2 5mA 45Ω 50nA 2.69 x 1.6 x 1.12mm -
RS庫存編號 654-7662
製造零件編號1N5366BRLG
HK$3.628
/個 (每包:5個)
單位
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庫存編號 170-3417
製造零件編號1N5351BRLG
HK$1.03
個 (在毎卷:4000)
單位
Single 14V Through Hole 1 5 W DO-15 Voltage Regulator 5% 2 100mA 2.5Ω 1µA 8.89 x 3.68 x 3.68mm -
RS庫存編號 184-4137
製造零件編號1N5245B
HK$0.179
個 (以毎袋:5000)
單位
Single 15V Through Hole 1 500 mW DO-35 General Purpose 5% 2 8.5mA 16 Ω @ 8.5 mA, 600 Ω @ 0.25 mA 100nA 1.91 Dia. x 4.56mm -
RS庫存編號 625-6495
製造零件編號1N5374BRLG
HK$4.14
/個 (每包:5個)
單位
Single 75V Through Hole 1 5 W DO-15 Voltage Regulator 5% 2 20mA 45Ω 500nA 8.89 x 3.68 x 3.68mm -
RS庫存編號 509-746
製造零件編號BZV85-C36,113
BrandNexperia
HK$0.802
/個 (每包:100個)
單位
Single 36V Through Hole 1 1.3 W DO-41 Voltage Regulator 5% 2 8mA 50Ω 50nA 4.8 x 2.6 x 2.6mm -