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. 805-0189
Mfr. Part No.1N5245BTR
HK$0.361
Each (In a Pack of 200)
units
Single 15V Through Hole 1 500 mW DO-35 General Purpose 5% 2 8.5mA 16Ω 100nA 4.56mm 1.91mm
RS Stock No. 145-2005
Mfr. Part No.ZM4728A-GS08
BrandVishay
HK$0.83
Each (On a Reel of 1500)
units
Single 3.3V Surface Mount 1 1 W DO-213AB General Purpose 5% 2 76mA 10Ω 100µA 5.2mm 2.6mm
RS Stock No. 687-8256
Mfr. Part No.MMSZ18T1G
HK$1.588
Each (In a Pack of 25)
units
Single 18V Surface Mount 1 500 mW SOD-123 Voltage Regulator 5% 2 5mA 45Ω 50nA 2.69mm -
RS Stock No. 725-8234
Mfr. Part No.BZV55-B5V6,115
BrandNexperia
HK$0.856
Each (In a Pack of 100)
units
Single 5.6V Surface Mount 1 500 mW MiniMELF Voltage Regulator 2% 2 5mA 40Ω 1µA 3.7mm -
RS Stock No. 751-3856
Mfr. Part No.BZX84C5V1TS-7-F
HK$2.381
Each (On a Tape of 50)
units
Single 5.1V Surface Mount 1 200 mW SOT-363 (SC-88) Voltage Regulator 6% 6 5mA 60Ω 2µA 2.2mm -
RS Stock No. 885-5460
Mfr. Part No.DDZ15BSF-7
HK$0.488
Each (In a Pack of 100)
units
Single 14.3V Surface Mount 1 500 mW SOD-323F Precision 3% 2 10mA 40Ω 70nA 1.8mm -
RS Stock No. 805-0075
Mfr. Part No.1N4742ATR
HK$0.578
Each (In a Pack of 100)
units
Single 12V Through Hole 1 1 W DO-41 General Purpose 5% 2 21mA 5µA 5.2mm 2.72mm
RS Stock No. 545-0624
Mfr. Part No.BZX84C4V7LT1G
HK$1.03
Each
units
Single 4.7V Surface Mount 1 300 mW SOT-23 Voltage Regulator 6% 3 5mA 80Ω 3µA 2.9mm -
RS Stock No. 178-7620
Mfr. Part No.1N4744ATR
HK$0.317
Each (On a Reel of 3000)
units
Single 15V Through Hole 1 1 W DO-41 General Purpose 5% 2 17mA 14Ω 5µA 5.2mm 2.72mm
RS Stock No. 159-6367
Mfr. Part No.1N5241B-TR
BrandVishay
HK$0.201
Each (On a Reel of 10000)
units
Single 11V Through Hole 1 500 mW DO-35 General Purpose 5% 2 20mA 22Ω 2µA 3.9mm 1.7mm
RS Stock No. 121-9485
Mfr. Part No.BZX84C6V8-7-F
HK$0.276
Each (On a Reel of 3000)
units
Single 6.8V Surface Mount 1 350 mW SOT-23 Voltage Regulator 6% 3 5mA 80Ω 2µA 3mm -
RS Stock No. 163-0810
Mfr. Part No.SZ1SMA5929BT3G
HK$2.087
Each (On a Reel of 5000)
units
Single 15V Surface Mount 1 500 mW SMA Voltage Regulator 5% 2 25mA 500nA 4.57mm -
RS Stock No. 634-6992
Mfr. Part No.SML4739-E3/61
BrandVishay
HK$3.70
Each (In a Pack of 5)
units
Single 9.1V Surface Mount 1 1 W SMA - 10% 2 28mA 10µA 4.5mm -
RS Stock No. 122-2850
Mfr. Part No.BZT52C10T-7
HK$0.282
Each (On a Reel of 3000)
units
Single 10V Surface Mount 1 300 mW SOD-523 General Purpose 5% 2 5mA 20Ω 200nA 1.3mm -
RS Stock No. 178-7621
Mfr. Part No.1N4742ATR
HK$0.317
Each (On a Reel of 3000)
units
Single 12V Through Hole 1 1 W DO-41 General Purpose 5% 2 21mA 5µA 5.2mm 2.72mm
RS Stock No. 800-8866
Mfr. Part No.1N5952BRLG
HK$3.562
Each (In a Pack of 50)
units
Single 130V Through Hole 1 3 W Case 59-10 Voltage Regulator 5% 2 2.9mA 450Ω 250nA - 2.7mm
RS Stock No. 169-0776
Mfr. Part No.DDZ6V8BSF-7
HK$0.252
Each (On a Reel of 3000)
units
Single 6.7V Surface Mount 1 500 mW SOD-323F Voltage Regulator 2.5% 2 20mA 30Ω 7.5µA 1.8mm -
RS Stock No. 759-8901
Mfr. Part No.BZX85C9V1
HK$0.62
Each (In a Pack of 100)
units
Single 9.1V Through Hole 1 1 W DO-41 Voltage Regulator 5% 2 25mA 1µA 5.2mm 2.72mm
RS Stock No. 812-8692
Mfr. Part No.BZX85B36-TR
BrandVishay
HK$1.078
Each (In a Pack of 200)
units
Single 36V Through Hole 1 1.3 W DO-41 General Purpose 2% 2 8mA 40Ω 500nA 4.1mm 2.6mm
RS Stock No. 654-7628
Mfr. Part No.1N5357BRLG
HK$3.774
Each (In a Pack of 5)
units
Single 20V Through Hole 1 5 W DO-15 Voltage Regulator 5% 2 65mA 500nA 8.89mm -
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