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 Stock No. 654-7527
Mfr. Part No.1N5388BRLG
HK$3.774
Each (In a Pack of 5)
units
Single 200V Through Hole 1 5 W DO-15 Voltage Regulator 5% 2 5mA 480Ω 500nA 8.89mm -
RS Stock No. 805-7124
Mfr. Part No.SZMMSZ18T1G
HK$0.906
Each (In a Pack of 100)
units
Single 18V Surface Mount 1 500 mW SOD-123 Voltage Regulator 5% 2 5mA 45Ω 50nA 2.84mm -
RS Stock No. 166-0306
Mfr. Part No.BZX79-C18,113
BrandNexperia
HK$0.151
Each (On a Reel of 10000)
units
Single 18V Through Hole 1 500 mW DO-35 Voltage Regulator 5% 2 5mA 45Ω 50nA 4.25mm -
RS Stock No. 816-6791
Mfr. Part No.PLVA662A,215
BrandNexperia
HK$2.136
Each (In a Pack of 50)
units
Single 6.2V Surface Mount 1 250 mW SOT-23 Avalanche 3% 3 0.25mA - 100nA 3mm -
RS Stock No. 103-3911
Mfr. Part No.1N5388BRLG
HK$1.019
Each (On a Reel of 4000)
units
Single 200V Through Hole 1 5 W DO-15 Voltage Regulator 5% 2 5mA 480Ω 500nA 8.89mm -
RS Stock No. 800-8869
Mfr. Part No.1N5953BRLG
HK$2.038
Each (In a Pack of 50)
units
Single 150V Through Hole 1 3 W Case 59-10 Voltage Regulator 5% 2 2.5mA 600Ω 250nA - 2.7mm
RS Stock No. 774-3325
Mfr. Part No.1N5388BG
HK$2.989
Each (In a Pack of 10)
units
Single 200V Through Hole 1 5 W Surmetic 40 Voltage Regulator 5% 2 5mA 480Ω 500nA 8.89mm 3.68mm
RS Stock No. 136-4791
Mfr. Part No.BZX79-C18,133
BrandNexperia
HK$0.17
Each (On a Tape of 10000)
units
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 Stock No. 751-4562
Mfr. Part No.MMSZ5227B-7-F
HK$0.509
Each (On a Tape of 250)
units
Single 3.6V Surface Mount 1 500 mW SOD-123 Voltage Regulator 5% 2 20mA 24Ω 15µA 2.85mm -
RS Stock No. 122-0264
Mfr. Part No.MMSZ5227B-7-F
HK$0.269
Each (On a Reel of 3000)
units
Single 3.6V Surface Mount 1 500 mW SOD-123 Voltage Regulator 5% 2 20mA 24Ω 15µA 2.85mm -
RS Stock No. 544-4499
Mfr. Part No.BZX79-C18,113
BrandNexperia
HK$0.965
Each (In a Pack of 20)
units
Single 18V Through Hole 1 500 mW DO-35 Voltage Regulator 5% 2 5mA 45Ω 50nA 4.25mm -
RS Stock No. 654-7662
Mfr. Part No.1N5366BRLG
HK$3.98
Each (In a Pack of 5)
units
Single 39V Through Hole 1 5 W DO-15 Voltage Regulator 5% 2 30mA 14Ω 500nA 8.89mm -
RS Stock No. 103-5131
Mfr. Part No.1N5351BG
HK$1.215
Each (In a Box of 1000)
units
Single 14V Through Hole 1 5 W Surmetic 40 Voltage Regulator 5% 2 100mA 75Ω 1µA 8.89mm 3.68mm
RS Stock No. 708-7896
Mfr. Part No.BZX55C6V8-TAP
BrandVishay
HK$0.597
Each (In a Pack of 250)
units
Single 6.8V Through Hole 1 500 mW DO-35 Voltage Regulator 6% 2 5mA 100nA 3.9mm -
RS Stock No. 774-3316
Mfr. Part No.1N5374BG
HK$3.283
Each (In a Pack of 10)
units
Single 75V Through Hole 1 5 W Surmetic 40 Voltage Regulator 5% 2 20mA 620Ω 500nA 8.89mm 3.68mm
RS Stock No. 545-3190
Mfr. Part No.MMSZ5248BT1G
HK$1.588
Each (In a Pack of 20)
units
Single 18V Surface Mount 1 500 mW SOD-123 Voltage Regulator 5% 2 7mA 21Ω 100nA 2.69mm -
RS Stock No. 145-3331
Mfr. Part No.BZX84B5V1LT1G
HK$0.218
Each (On a Reel of 3000)
units
Single 5.1V Surface Mount 1 300 mW SOT-23 Voltage Regulator 2% 3 5mA 60Ω 2µA 2.9mm -
RS Stock No. 811-5961
Mfr. Part No.1N5232B-TR
BrandVishay
HK$0.545
Each (In a Pack of 250)
units
Single 5.6V Through Hole 1 500 mW DO-35 General Purpose 5% 2 20mA 11Ω 5µA 3.9mm 1.7mm
RS Stock No. 700-2738
Mfr. Part No.UDZSTE-177.5B
BrandROHM
HK$1.597
Each (In a Pack of 10)
units
Single 7.5V Surface Mount 1 200 mW SOD-323F Voltage Regulator 2% 2 5mA 30Ω 500nA 1.7mm -
RS Stock No. 145-2219
Mfr. Part No.BZX85C6V2-TAP
BrandVishay
HK$0.469
Each (On a Reel of 5000)
units
Single 6.2V Through Hole 1 1.3 W DO-41 Voltage Regulator 6% 2 35mA 1µA 4.1mm -
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