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 Stock No. 169-0673
Mfr. Part No.BZT52C30S-7-F
kr 0,146
Each (On a Reel of 3000)
Units
Single 30V Surface Mount 1 200 mW SOD-323 Voltage Regulator 7% 2 2mA 80Ω 100nA 1.8 x 1.4 x 1.1mm -
RS Stock No. 751-3720
Mfr. Part No.BZT52C30S-7-F
kr 0,154
Each (On a Tape of 100)
Units
Single 30V Surface Mount 1 200 mW SOD-323 Voltage Regulator 7% 2 2mA 80Ω 100nA 1.8 x 1.4 x 1.1mm -
RS Stock No. 145-2234
Mfr. Part No.BZX85B27-TR
BrandVishay
kr 0,479
Each (On a Reel of 5000)
Units
Single 27V Through Hole 1 1.3 W DO-41 General Purpose 2% 2 8mA 30Ω 500nA 2.6 (Dia.) x 4.1mm -
RS Stock No. 812-8682
Mfr. Part No.BZX85B27-TR
BrandVishay
kr 1,071
Each (In a Pack of 200)
Units
Single 27V Through Hole 1 1.3 W DO-41 General Purpose 2% 2 8mA 30Ω 500nA 2.6 (Dia.) x 4.1mm -
RS Stock No. 169-7341
Mfr. Part No.DFLZ6V8-7
kr 1,01
Each (On a Reel of 3000)
Units
Single 6.8V Surface Mount 1 1 W POWERDI123 General Purpose 5% 2 100mA 5µA 3 x 1.93 x 1mm -
RS Stock No. 163-2331
Mfr. Part No.1N5362BRLG
kr 1,02
Each (On a Reel of 4000)
Units
Single 28V Through Hole 1 5 W DO-15 Voltage Regulator 5% 2 50mA 500nA 8.89 x 3.68 x 3.68mm -
RS Stock No. 805-0047
Mfr. Part No.1N4733ATR
kr 0,53
Each (In a Pack of 100)
Units
Single 5.1V Through Hole 1 1 W DO-41 General Purpose 5% 2 49mA 10µA 2.72 (Dia.) x 5.2mm -
RS Stock No. 822-2491
Mfr. Part No.DFLZ6V8-7
kr 2,879
Each (In a Pack of 25)
Units
Single 6.8V Surface Mount 1 1 W POWERDI123 General Purpose 5% 2 100mA 5µA 3 x 1.93 x 1mm -
RS Stock No. 186-9203
Mfr. Part No.1N5362BG
kr 2,867
Each (In a Pack of 25)
Units
Single 28V Through Hole 1 5 W CASE 017AA Voltage Regulator ±5% 2 50mA 130Ω 500nA 3.68 Dia. x 8.89mm -
RS Stock No. 625-6439
Mfr. Part No.1N5362BRLG
kr 3,788
Each (In a Pack of 5)
Units
Single 28V Through Hole 1 5 W DO-15 Voltage Regulator 5% 2 50mA 500nA 8.89 x 3.68 x 3.68mm -
RS Stock No. 186-8758
Mfr. Part No.1N5362BG
kr 1,284
Each (In a Box of 1000)
Units
Single 28V Through Hole 1 5 W CASE 017AA Voltage Regulator ±5% 2 50mA 130Ω 500nA 3.68 Dia. x 8.89mm -
RS Stock No. 145-4227
Mfr. Part No.SZMM5Z5V6T1G
kr 0,349
Each (On a Reel of 3000)
Units
Single 5.6V Surface Mount 1 500 mW SOD-523 Voltage Regulator 5% 2 5mA 40Ω 1µA 1.3 x 0.9 x 0.5mm -
RS Stock No. 699-7824
Mfr. Part No.BZX85C12-TAP
BrandVishay
kr 1,073
Each (In a Pack of 100)
Units
Single 12V Through Hole 1 1.3 W DO-41 Voltage Regulator 5% 2 20mA 500nA 2.5 (Dia.) x 4.1mm -
RS Stock No. 122-3264
Mfr. Part No.SMAZ6V8-13-F
kr 0,796
Each (On a Reel of 5000)
Units
Single 6.8V Surface Mount 1 1 W SMA General Purpose 5% 2 100mA 5µA 4.6 x 2.92 x 2.1mm -
RS Stock No. 823-3154
Mfr. Part No.SMAZ6V8-13-F
kr 2,491
Each (In a Pack of 50)
Units
Single 6.8V Surface Mount 1 1 W SMA General Purpose 5% 2 100mA 5µA 4.6 x 2.92 x 2.1mm -
RS Stock No. 918-9519
Mfr. Part No.BZX85C12-TAP
BrandVishay
kr 0,474
Each (On a Reel of 5000)
Units
Single 12V Through Hole 1 1.3 W DO-41 Voltage Regulator 5% 2 20mA 500nA 2.5 (Dia.) x 4.1mm -
RS Stock No. 805-6944
Mfr. Part No.SZMM5Z5V6T1G
kr 0,363
Each (On a Tape of 100)
Units
Single 5.6V Surface Mount 1 500 mW SOD-523 Voltage Regulator 5% 2 5mA 40Ω 1µA 1.3 x 0.9 x 0.5mm -
RS Stock No. 812-8480
Mfr. Part No.BZT55B2V7-GS18
BrandVishay
kr 0,734
Each (In a Pack of 250)
Units
Single 2.7V Surface Mount 1 500 mW SOD-80 Voltage Regulator 2% 2 5mA 85Ω 50µA 3.7 x 1.6 x 1.6mm -
RS Stock No. 145-2019
Mfr. Part No.ZMY13-GS08
BrandVishay
kr 0,907
Each (On a Reel of 1500)
Units
Single 13V Surface Mount 1 1 W DO-213AB General Purpose 5% 2 50mA 94Ω 500nA 5.2 x 2.6mm -
RS Stock No. 654-7662
Mfr. Part No.1N5366BRLG
kr 3,63
Each (In a Pack of 5)
Units
Single 39V Through Hole 1 5 W DO-15 Voltage Regulator 5% 2 30mA 14Ω 500nA 8.89 x 3.68 x 3.68mm -
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