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 Width
RS庫存編號 165-7081
製造零件編號1N5245B-TR
BrandVishay
HK$0.211
個 (在毎卷:10000)
單位
Single 15V Through Hole 1 500 mW DO-35 General Purpose 5% 2 8.5mA 16Ω 100nA 3.9mm -
RS庫存編號 805-0034
製造零件編號1N4728ATR
HK$0.582
/個 (每包:100個)
單位
Single 3.3V Through Hole 1 1 W DO-41 General Purpose 5% 2 76mA 10Ω 100µA 5.2mm -
RS庫存編號 121-6442
製造零件編號1N5352BRLG
HK$1.03
個 (在毎卷:4000)
單位
Single 15V Through Hole 1 5 W - Voltage Regulator 5% 2 75mA 2.5Ω 1µA 8.89mm -
RS庫存編號 811-6009
製造零件編號1N5245B-TR
BrandVishay
HK$0.493
/個 (每包:250個)
單位
Single 15V Through Hole 1 500 mW DO-35 General Purpose 5% 2 8.5mA 16Ω 100nA 3.9mm -
RS庫存編號 100-7583
製造零件編號1N5352BG
HK$1.055
個 (以毎盒:1000)
單位
Single 15V Through Hole 1 5 W DO-15 Voltage Regulator 5% 2 75mA 2.5Ω 1µA 8.89mm 3.68mm
RS庫存編號 816-6791
製造零件編號PLVA662A,215
BrandNexperia
HK$2.071
/個 (每包:50個)
單位
Single 6.2V Surface Mount 1 250 mW SOT-23 Avalanche 3% 3 0.25mA - 100nA 3mm 1.4mm
RS庫存編號 136-4880
製造零件編號BZX79-C18,133
BrandNexperia
HK$0.414
/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 -
RS庫存編號 136-4791
製造零件編號BZX79-C18,133
BrandNexperia
HK$0.149
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 -
RS庫存編號 186-8779
製造零件編號1N5384BG
HK$1.205
個 (以毎盒:1000)
單位
Single 160V Through Hole 1 5 W CASE 017AA Voltage Regulator ±5% 2 8mA 1650Ω 500nA - -
RS庫存編號 805-7124
製造零件編號SZMMSZ18T1G
HK$0.87
/個 (每包:100個)
單位
Single 18V Surface Mount 1 500 mW SOD-123 Voltage Regulator 5% 2 5mA 45Ω 50nA 2.84mm 1.8mm
RS庫存編號 812-8733
製造零件編號BZX85B75-TR
BrandVishay
HK$1.074
/個 (每包:200個)
單位
Single 75V Through Hole 1 1.3 W DO-41 General Purpose 2% 2 4mA 135Ω 500nA 4.1mm -
RS庫存編號 163-1931
製造零件編號1N5384BRLG
HK$1.06
個 (在毎卷:4000)
單位
Single 160V Through Hole 1 5 W DO-15 Voltage Regulator 5% 2 8mA 350Ω 500nA - -
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 1.4mm
RS庫存編號 800-8869
製造零件編號1N5953BRLG
HK$2.657
/個 (每包:50個)
單位
Single 150V Through Hole 1 3 W Case 59-10 Voltage Regulator 5% 2 2.5mA 600Ω 250nA - -
RS庫存編號 122-0264
製造零件編號MMSZ5227B-7-F
HK$0.273
個 (在毎卷:3000)
單位
Single 3.6V Surface Mount 1 500 mW SOD-123 Voltage Regulator 5% 2 20mA 24Ω 15µA 2.85mm 1.7mm
RS庫存編號 178-4832
製造零件編號1N5388BG
HK$1.205
個 (以毎袋:1000)
單位
Single 200V Through Hole 1 5 W Surmetic 40 Voltage Regulator 5% 2 5mA 480Ω 500nA 8.89mm -
RS庫存編號 800-8793
製造零件編號1N5384BRLG
HK$3.049
/個 (每包:50個)
單位
Single 160V Through Hole 1 5 W DO-15 Voltage Regulator 5% 2 8mA 350Ω 500nA - -
RS庫存編號 166-0306
製造零件編號BZX79-C18,113
BrandNexperia
HK$0.132
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 1.85mm
RS庫存編號 544-4499
製造零件編號BZX79-C18,113
BrandNexperia
HK$0.95
/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 1.85mm
RS庫存編號 145-5251
製造零件編號SZMMSZ18T1G
HK$0.539
個 (在毎卷:3000)
單位
Single 18V Surface Mount 1 500 mW SOD-123 Voltage Regulator 5% 2 5mA 45Ω 50nA 2.84mm 1.8mm