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. 100-9507
Mfr. Part No.1N5333BG
HK$1.19
Each (In a Box of 1000)
units
Single 3.3V Through Hole 1 5 W DO-15 Voltage Regulator 5% 2 380mA 300µA 8.89mm -
RS Stock No. 184-4137
Mfr. Part No.1N5245B
HK$0.288
Each (In a Bag of 5000)
units
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 - 1.91mm
RS Stock No. 463-379
Mfr. Part No.1N5333BG
HK$2.862
Each (In a Pack of 10)
units
Single 3.3V Through Hole 1 5 W DO-15 Voltage Regulator 5% 2 380mA 300µA 8.89mm -
RS Stock No. 774-3293
Mfr. Part No.1N5351BG
HK$3.027
Each (In a Pack of 10)
units
Single 14V Through Hole 1 5 W Surmetic 40 Voltage Regulator 5% 2 100mA 75Ω 1µA 8.89mm 3.68mm
RS Stock No. 170-3417
Mfr. Part No.1N5351BRLG
HK$1.03
Each (On a Reel of 4000)
units
Single 14V Through Hole 1 5 W DO-15 Voltage Regulator 5% 2 100mA 2.5Ω 1µA 8.89mm -
RS Stock No. 166-0304
Mfr. Part No.BZX79-C8V2,113
BrandNexperia
HK$0.155
Each (On a Reel of 10000)
units
Single 8.2V Through Hole 1 500 mW DO-35 Voltage Regulator 5% 2 5mA 15Ω 700nA 4.25mm -
RS Stock No. 145-4102
Mfr. Part No.MMSZ18T1G
HK$0.276
Each (On a Reel of 3000)
units
Single 18V Surface Mount 1 500 mW SOD-123 Voltage Regulator 5% 2 5mA 45Ω 50nA 2.69mm -
RS Stock No. 509-548
Mfr. Part No.BZX84-C6V8,215
BrandNexperia
HK$0.403
Each (In a Pack of 200)
units
Single 6.8V Surface Mount 1 250 mW SOT-23 (TO-236AB) Voltage Regulator 5% 3 5mA 15Ω 2µA 3mm -
RS Stock No. 165-7078
Mfr. Part No.1N5232B-TR
BrandVishay
HK$0.205
Each (On a Reel of 10000)
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. 121-9532
Mfr. Part No.BZT52C2V0-7-F
HK$0.252
Each (On a Reel of 3000)
units
Single 2V Surface Mount 1 500 mW SOD-123 Voltage Regulator 5% 2 5mA 100Ω 150µA 2.85mm -
RS Stock No. 811-5967
Mfr. Part No.1N5231B-TR
BrandVishay
HK$0.554
Each (In a Pack of 250)
units
Single 5.1V Through Hole 1 500 mW DO-35 General Purpose 5% 2 20mA 17Ω 5µA 3.9mm 1.7mm
RS Stock No. 103-3897
Mfr. Part No.1N5333BRLG
HK$1.031
Each (On a Reel of 4000)
units
Single 3.3V Through Hole 1 5 W DO-15 Voltage Regulator 5% 2 380mA 300µA 8.89mm -
RS Stock No. 634-7030
Mfr. Part No.SML4740-E3/61
BrandVishay
HK$3.458
Each (In a Pack of 5)
units
Single 10V Surface Mount 1 1 W SMA - 10% 2 25mA 10µA 4.6mm -
RS Stock No. 178-7582
Mfr. Part No.MMSZ5248BT1G
HK$0.282
Each (On a Reel of 3000)
units
Single 18V Surface Mount 1 500 mW SOD-123 Voltage Regulator 5% 2 7mA 21Ω 100nA 2.69mm -
RS Stock No. 816-0453
Mfr. Part No.BZX84J-C2V4,115
BrandNexperia
HK$0.822
Each (In a Pack of 150)
units
Single 2V Surface Mount 1 550 mW SOD-323F General Purpose 5% 2 5mA - 50µA 1.8mm -
RS Stock No. 186-9308
Mfr. Part No.1N5366BG
HK$3.158
Each (In a Pack of 25)
units
Single 39V Through Hole 1 5 W CASE 017AA Voltage Regulator ±5% 2 30mA 170Ω 500nA - 3.68mm
RS Stock No. 170-3469
Mfr. Part No.1N5374BG
HK$1.245
Each (In a Bag of 1000)
units
Single 75V Through Hole 1 5 W Surmetic 40 Voltage Regulator 5% 2 20mA 620Ω 500nA 8.89mm 3.68mm
RS Stock No. 687-8174
Mfr. Part No.BZX84B5V1LT1G
HK$1.254
Each (In a Pack of 25)
units
Single 5.1V Surface Mount 1 300 mW SOT-23 Voltage Regulator 2% 3 5mA 60Ω 2µA 2.9mm -
RS Stock No. 166-1238
Mfr. Part No.BZX79-C68,113
BrandNexperia
HK$0.176
Each (On a Reel of 5000)
units
Single 68V Through Hole 1 500 mW DO-35 Voltage Regulator 5% 2 2mA 240Ω 50nA 4.25mm -
RS Stock No. 186-8764
Mfr. Part No.1N5366BG
HK$1.289
Each (In a Box of 1000)
units
Single 39V Through Hole 1 5 W CASE 017AA Voltage Regulator ±5% 2 30mA 170Ω 500nA - 3.68mm
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