Zener Diodes

Zener diodes are among the basic building blocks of electronic circuits. Their basic function is to stabilize the voltage within the system to limit or by pressing the direction of current flow changed, as soon as a defined blocking voltage has been reached. This breakthrough voltage goes hand-in-hand with two different effects, which require a more precise differentiation of the Zener diodes or the Z-diodes:

Zener diodes: have a blocking voltage below 5 volts, if this is exceeded one speaks of the Zener effect (named after its discoverer Clarence Melvin Zener).
Avalanche diodes: have a blocking voltage of 5 volts, if this is exceeded, the avalanche effect occurs.
Z-Diodes: includes all diodes with a blocking voltage.

At a blocking voltage between 5 and 6.5 volts, the Zener effect and the avalanche effect occur simultaneously, while above 6.5 volts only the avalanche effect comes into play.

Z-diodes are mainly used to stabilize pulsating DC voltages or to set reference voltages for circuits with low and relatively constant current consumption. Voltage regulators should be used for extreme current fluctuations or larger current flows.

Discover Zener diodes and avalanche diodes at Bürklin

At Bürklin, you can choose from a wide range of active components, select suitable Zener diodes or avalanche diodes for your circuits. Our customer service is happy to assist you: on the phone (+49 89 55875-230) or via E-Mail (Info@buerklin.com).

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Zener-Diode THT, 500 mW, 5 mA, BZX55-C5V6

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Order No.: 22S2516

Manufacturer: Vishay

Manufacturer No.:
BZX55-C5V6

5.6 V

500 mW

DO-35

10 piece(s) €0.044

100 piece(s) €0.035

500 piece(s) €0.029

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Zener-Diode THT, 500 mW, 5 mA, BZX55-C9V1

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Order No.: 22S2526

Manufacturer: Vishay

Manufacturer No.:
BZX55-C9V1

9.1 V

500 mW

DO-35

10 piece(s) €0.048

100 piece(s) €0.038

500 piece(s) €0.032

1000 piece(s) €0.027

2500 piece(s) €0.024

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Zener-Diode THT, 500 mW, 5 mA, BZX55-C3V6

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Order No.: 22S2506

Manufacturer: Vishay

Manufacturer No.:
BZX55-C3V6

3.6 V

500 mW

DO-35

10 piece(s) €0.042

100 piece(s) €0.034

500 piece(s) €0.028

1000 piece(s) €0.024

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Zener-Diode THT, 500 mW, 5 mA, BZX55-C3V3

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Order No.: 22S2504

Manufacturer: Vishay

Manufacturer No.:
BZX55-C3V3

3.3 V

500 mW

DO-35

10 piece(s) €0.048

100 piece(s) €0.038

500 piece(s) €0.032

1000 piece(s) €0.027

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Zener-Diode SMD, 200 mW, 5 mA, 0,9 V, BZT52C5V1S-7-F

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Order No.: 32S3648

Manufacturer: Diodes

Manufacturer No.:
BZT52C5V1S-7-F

5.1 V

200 mW

SOD-323

10 piece(s) €0.05

100 piece(s) €0.04

500 piece(s) €0.033

1000 piece(s) €0.029

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Zener-Diode SMD, 200 mW, 5 mA, 0,9 V, BZT52C3V6S-7-F

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Order No.: 32S3683

Manufacturer: Diodes

Manufacturer No.:
BZT52C3V6S-7-F

3.6 V

200 mW

SOD-323

10 piece(s) €0.049

100 piece(s) €0.039

500 piece(s) €0.032

1000 piece(s) €0.028

2500 piece(s) €0.024

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14740 piece(s) in stock

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Zener-Diode THT, 500 mW, 5 mA, BZX55-C15-TAP

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Order No.: 22S2536

Manufacturer: Vishay

Manufacturer No.:
BZX55-C15-TAP

15 V

500 mW

DO-35

10 piece(s) €0.042

100 piece(s) €0.034

500 piece(s) €0.028

1000 piece(s) €0.024

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Zener-Diode SMD, 300 mW, 200 mA, 0,9 V, BZX84/C10

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Order No.: 22S8900

Manufacturer: NEXPERIA

Manufacturer No.:
BZX84-C10,215

10 V

300 mW

SOT-23

10 piece(s) €0.034

100 piece(s) €0.029

500 piece(s) €0.025

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Zener-Diode SMD, 500 mW, 5 mA, ZMM 9,1

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Order No.: 25S7330

Manufacturer: Diotec

Manufacturer No.:
ZMM 9,1

9.1 V

500 mW

SOD-80C

10 piece(s) €0.041

100 piece(s) €0.032

500 piece(s) €0.027

1000 piece(s) €0.023

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Zener-Diode THT, 500 mW, 5 mA, BZX55-C4V7

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Order No.: 22S2512

Manufacturer: Vishay

Manufacturer No.:
BZX55-C4V7

4.7 V

500 mW

DO-35

10 piece(s) €0.042

100 piece(s) €0.034

500 piece(s) €0.028

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Zener-Diode THT, 1,3 W, 25 mA, BZX85/C9V1-TAP

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Order No.: 22S9820

Manufacturer: Vishay

Manufacturer No.:
BZX85/C9V1-TAP

9.1 V

1.3 W

DO-41

10 piece(s) €0.068

100 piece(s) €0.057

500 piece(s) €0.049

1000 piece(s) €0.043

2500 piece(s) €0.038

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Zener-Diode SMD, 500 mW, 250 mA, 0,9 V, BZV55/C15 (SMD)

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Order No.: 21S3078

Manufacturer: NEXPERIA

Manufacturer No.:
BZV55/C15 (SMD)

15.6 V

500 mW

DO-213AC

10 piece(s) €0.054

100 piece(s) €0.045

500 piece(s) €0.038

1000 piece(s) €0.034

2500 piece(s) €0.03

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10834 piece(s) in stock

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Zener-Diode SMD, 500 mW, 2,5 mA, TZMC68-GS08

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Order No.: 21S3036

Manufacturer: Vishay

Manufacturer No.:
TZMC68-GS08

68 V

500 mW

SOD-80

10 piece(s) €0.038

100 piece(s) €0.03

500 piece(s) €0.025

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9900 piece(s) in stock

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Zener-Diode THT, 500 mW, 5 mA, BZX55-C68

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Order No.: 22S2568

Manufacturer: Vishay

Manufacturer No.:
BZX55-C68

68 V

500 mW

DO-35

10 piece(s) €0.071

100 piece(s) €0.059

500 piece(s) €0.051

1000 piece(s) €0.045

2500 piece(s) €0.04

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9699 piece(s) in stock

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Zener-Diode SMD, 300 mW, 200 mA, 0,9 V, BZX84/C5V6

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Order No.: 22S8600

Manufacturer: NEXPERIA

Manufacturer No.:
BZX84-C5V6,235

5.6 V

300 mW

SOT-23

10 piece(s) €0.034

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Zener-Diode THT, 500 mW, 5 mA, BZX55-C7V5

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Order No.: 22S2522

Manufacturer: Vishay

Manufacturer No.:
BZX55-C7V5

7.5 V

500 mW

DO-35

10 piece(s) €0.042

100 piece(s) €0.034

500 piece(s) €0.028

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8779 piece(s) in stock

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Zener-Diode THT, 500 mW, 5 mA, ZPD5.6

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Order No.: 22S2616

Manufacturer: Diotec

Manufacturer No.:
ZPD5.6

5.6 V

500 mW

DO-35

10 piece(s) €0.036

100 piece(s) €0.029

500 piece(s) €0.024

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7953 piece(s) in stock

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Zener-Diode THT, 500 mW, 250 mA, 0,9 V, BZX79-C5V1,133

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Order No.: 22S5400

Manufacturer: NEXPERIA

Manufacturer No.:
BZX79-C5V1,133

5.1 V

500 mW

DO-35

10 piece(s) €0.058

100 piece(s) €0.048

500 piece(s) €0.041

1000 piece(s) €0.036

2500 piece(s) €0.032

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7605 piece(s) in stock

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Zener-Diode THT, 500 mW, 5 mA, ZPD7.5

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Order No.: 22S2622

Manufacturer: Diotec

Manufacturer No.:
ZPD7.5

7.5 V

500 mW

DO-35

10 piece(s) €0.036

100 piece(s) €0.029

500 piece(s) €0.024

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7547 piece(s) in stock

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Zener-Diode SMD, 500 mW, 5 mA, ZMM 18 (SMD)

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Order No.: 25S7344

Manufacturer: Diotec

Manufacturer No.:
ZMM 18 (SMD)

2.5 V

500 mW

SOD-80C

10 piece(s) €0.041

100 piece(s) €0.032

500 piece(s) €0.027

1000 piece(s) €0.023

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7316 piece(s) in stock

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