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Zener Diodes

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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1,132 Products found
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    Zener-Diode THT, 500 mW, 5 mA, BZX55-C5V6
    BZX55-C5V6 of Vishay
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    Order No.: 22S2516

    Manufacturer: Vishay

    Manufacturer No.:
    BZX55-C5V6

    5,6 V

    500 mW

    Small signal zener diode

    10 piece(s) €0.044
    100 piece(s) €0.035
    500 piece(s) €0.029
    1000 piece(s) €0.025
    2500 piece(s) €0.022
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    Zener-Diode THT, 1,3 W, 45 mA, BZX85/C5V1
    BZX85/C5V1 of Vishay
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    Order No.: 22S9808

    Manufacturer: Vishay

    Manufacturer No.:
    BZX85/C5V1

    5,1 V

    1,3 W

    Silicon planar zener diode

    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/C5V6 (SMD)
    BZV55/C5V6 (SMD) of NEXPERIA
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    Order No.: 21S3068

    Manufacturer: NEXPERIA

    Manufacturer No.:
    BZV55/C5V6 (SMD)

    6 V

    500 mW

    Voltage regulator diode

    10 piece(s) €0.056
    100 piece(s) €0.047
    500 piece(s) €0.04
    1000 piece(s) €0.035
    2500 piece(s) €0.031
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    Zener-Diode THT, 500 mW, 5 mA, BZX55-C9V1
    BZX55-C9V1 of Vishay
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    Order No.: 22S2526

    Manufacturer: Vishay

    Manufacturer No.:
    BZX55-C9V1

    9,1 V

    500 mW

    Small signal zener diode

    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
    BZX55-C3V6 of Vishay
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    Order No.: 22S2506

    Manufacturer: Vishay

    Manufacturer No.:
    BZX55-C3V6

    3,6 V

    500 mW

    Small signal zener diode

    10 piece(s) €0.042
    100 piece(s) €0.034
    500 piece(s) €0.028
    1000 piece(s) €0.024
    2500 piece(s) €0.021
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    Zener-Diode THT, 500 mW, 5 mA, BZX55-C3V3
    BZX55-C3V3 of Vishay
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    Order No.: 22S2504

    Manufacturer: Vishay

    Manufacturer No.:
    BZX55-C3V3

    3,3 V

    500 mW

    Small signal zener diode

    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 SMD, 200 mW, 5 mA, 0,9 V, BZT52C5V1S-7-F
    BZT52C5V1S-7-F of Diodes
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    Order No.: 32S3648

    Manufacturer: Diodes

    Manufacturer No.:
    BZT52C5V1S-7-F

    5,1 V

    200 mW

    SMD zener diode

    10 piece(s) €0.05
    100 piece(s) €0.04
    500 piece(s) €0.033
    1000 piece(s) €0.029
    2500 piece(s) €0.025
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    Zener-Diode SMD, 200 mW, 5 mA, 0,9 V, BZT52C3V6S-7-F
    BZT52C3V6S-7-F of Diodes
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    Order No.: 32S3683

    Manufacturer: Diodes

    Manufacturer No.:
    BZT52C3V6S-7-F

    3,6 V

    200 mW

    SMD zener diode

    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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    Zener-Diode THT, 500 mW, 5 mA, BZX55-C15-TAP
    BZX55-C15-TAP of Vishay
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    Order No.: 22S2536

    Manufacturer: Vishay

    Manufacturer No.:
    BZX55-C15-TAP

    15 V

    500 mW

    Small signal zener diode

    10 piece(s) €0.042
    100 piece(s) €0.034
    500 piece(s) €0.028
    1000 piece(s) €0.024
    2500 piece(s) €0.021
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    Zener-Diode THT, 1,3 W, 25 mA, BZX85/C9V1-TAP
    BZX85/C9V1-TAP of Vishay
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    Order No.: 22S9820

    Manufacturer: Vishay

    Manufacturer No.:
    BZX85/C9V1-TAP

    9,1 V

    1,3 W

    Silicon planar zener diode

    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 THT, 500 mW, 5 mA, BZX55-C4V7
    BZX55-C4V7 of Vishay
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    Order No.: 22S2512

    Manufacturer: Vishay

    Manufacturer No.:
    BZX55-C4V7

    4,7 V

    500 mW

    Small signal zener diode

    10 piece(s) €0.042
    100 piece(s) €0.034
    500 piece(s) €0.028
    1000 piece(s) €0.024
    2500 piece(s) €0.021
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    Zener-Diode SMD, 500 mW, 2,5 mA, TZMC68-GS08
    TZMC68-GS08 of Vishay
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    Order No.: 21S3036

    Manufacturer: Vishay

    Manufacturer No.:
    TZMC68-GS08

    68 V

    500 mW

    Small signal zener diode

    10 piece(s) €0.038
    100 piece(s) €0.03
    500 piece(s) €0.025
    1000 piece(s) €0.022
    2500 piece(s) €0.019
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    Zener-Diode THT, 500 mW, 5 mA, BZX55-C68
    BZX55-C68 of Vishay
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    Order No.: 22S2568

    Manufacturer: Vishay

    Manufacturer No.:
    BZX55-C68

    68 V

    500 mW

    Small signal zener diode

    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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    Zener-Diode SMD, 500 mW, 5 mA, ZMM 9,1
    ZMM 9 of 1
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    Order No.: 25S7330

    Manufacturer: Diotec

    Manufacturer No.:
    ZMM 9,1

    9,1 V

    500 mW

    Silicon planar zener diode

    10 piece(s) €0.041
    100 piece(s) €0.032
    500 piece(s) €0.027
    1000 piece(s) €0.023
    2500 piece(s) €0.02
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      9580 piece(s) in stock
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    Zener-Diode THT, 500 mW, 5 mA, BZX55-C8V2
    BZX55-C8V2 of Vishay
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    Order No.: 22S2524

    Manufacturer: Vishay

    Manufacturer No.:
    BZX55-C8V2

    8,2 V

    500 mW

    Small signal zener diode

    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 SMD, 500 mW, 250 mA, 0,9 V, BZV55/C15 (SMD)
    BZV55/C15 (SMD) of NEXPERIA
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    Order No.: 21S3078

    Manufacturer: NEXPERIA

    Manufacturer No.:
    BZV55/C15 (SMD)

    15,6 V

    500 mW

    Voltage regulator diode

    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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    Zener-Diode SMD, 300 mW, 200 mA, 0,9 V, BZX84/C5V6
    BZX84-C5V6 of 235
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    Order No.: 22S8600

    Manufacturer: NEXPERIA

    Manufacturer No.:
    BZX84-C5V6,235

    5,6 V

    300 mW

    Voltage regulator diode

    10 piece(s) €0.034
    100 piece(s) €0.029
    500 piece(s) €0.025
    1000 piece(s) €0.022
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      8919 piece(s) in stock
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    Zener-Diode SMD, 500 mW, 5 mA, ZMM 5,1
    ZMM 5 of 1
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    Order No.: 25S7318

    Manufacturer: Diotec

    Manufacturer No.:
    ZMM 5,1

    5,1 V

    500 mW

    Silicon planar zener diode

    10 piece(s) €0.042
    100 piece(s) €0.035
    500 piece(s) €0.03
    1000 piece(s) €0.027
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      7963 piece(s) in stock
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    Zener-Diode THT, 500 mW, 250 mA, 0,9 V, BZX79-C5V1,133
    BZX79-C5V1 of 133
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    Order No.: 22S5400

    Manufacturer: NEXPERIA

    Manufacturer No.:
    BZX79-C5V1,133

    5,1 V

    500 mW

    Voltage regulator diode

    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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    Zener-Diode THT, 500 mW, 5 mA, ZPD7.5
    ZPD7.5 of Diotec
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    Order No.: 22S2622

    Manufacturer: Diotec

    Manufacturer No.:
    ZPD7.5

    7,5 V

    500 mW

    Silicon planar zener diode

    10 piece(s) €0.036
    100 piece(s) €0.029
    500 piece(s) €0.024
    1000 piece(s) €0.021
    2500 piece(s) €0.018
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