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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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1,313 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

    THT

    5,6 V

    500 mW

    5 piece(s) €0.0415
    50 piece(s) €0.0332
    100 piece(s) €0.0277
    500 piece(s) €0.0237
    1000 piece(s) €0.0208
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      75265 piece(s) in stock
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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

    THT

    9,1 V

    500 mW

    10 piece(s) €0.029
    50 piece(s) €0.0249
    100 piece(s) €0.0218
    250 piece(s) €0.0193
    500 piece(s) €0.0174
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      23450 piece(s) in stock
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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

    THT

    3,6 V

    500 mW

    10 piece(s) €0.029
    50 piece(s) €0.0249
    100 piece(s) €0.0218
    250 piece(s) €0.0193
    500 piece(s) €0.0174
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      19466 piece(s) in stock
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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

    THT

    3,3 V

    500 mW

    10 piece(s) €0.029
    50 piece(s) €0.0249
    100 piece(s) €0.0218
    250 piece(s) €0.0193
    500 piece(s) €0.0174
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      18393 piece(s) in stock
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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

    SMT

    5,1 V

    200 mW

    10 piece(s) €0.067
    100 piece(s) €0.057
    500 piece(s) €0.05
    1000 piece(s) €0.045
    5000 piece(s) €0.04
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      15400 piece(s) in stock
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    Zener-Diode SMD, 300 mW, 200 mA, 0,9 V, BZX84/C10
    BZX84-C10 of 215
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    Order No.: 22S8900

    Manufacturer: NEXPERIA

    Manufacturer No.:
    BZX84-C10,215

    SMT

    10 V

    300 mW

    10 piece(s) €0.034
    50 piece(s) €0.029
    100 piece(s) €0.025
    250 piece(s) €0.022
    500 piece(s) €0.02
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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

    THT

    15 V

    500 mW

    10 piece(s) €0.033
    50 piece(s) €0.029
    100 piece(s) €0.025
    250 piece(s) €0.022
    500 piece(s) €0.02
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      14741 piece(s) in stock
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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

    SMT

    3,6 V

    200 mW

    10 piece(s) €0.062
    100 piece(s) €0.053
    500 piece(s) €0.046
    1000 piece(s) €0.041
    5000 piece(s) €0.037
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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

    SMT

    9,1 V

    500 mW

    10 piece(s) €0.0318
    50 piece(s) €0.0273
    100 piece(s) €0.0239
    250 piece(s) €0.0212
    500 piece(s) €0.0191
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      12710 piece(s) in stock
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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

    THT

    4,7 V

    500 mW

    10 piece(s) €0.0283
    50 piece(s) €0.0243
    100 piece(s) €0.0213
    250 piece(s) €0.0189
    500 piece(s) €0.017
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      12672 piece(s) in stock
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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)

    SMT

    6 V

    500 mW

    10 piece(s) €0.047
    50 piece(s) €0.04
    100 piece(s) €0.035
    250 piece(s) €0.031
    500 piece(s) €0.028
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    Minimum Order Quantity 10
      11779 piece(s) in stock
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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

    THT

    9,1 V

    1,3 W

    10 piece(s) €0.058
    50 piece(s) €0.05
    100 piece(s) €0.044
    250 piece(s) €0.039
    500 piece(s) €0.035
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      11376 piece(s) in stock
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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)

    SMT

    15,6 V

    500 mW

    10 piece(s) €0.047
    50 piece(s) €0.04
    100 piece(s) €0.035
    250 piece(s) €0.031
    500 piece(s) €0.028
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      11014 piece(s) in stock
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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

    SMT

    68 V

    500 mW

    10 piece(s) €0.0253
    50 piece(s) €0.0217
    100 piece(s) €0.019
    250 piece(s) €0.0169
    500 piece(s) €0.0152
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      9900 piece(s) in stock
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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

    THT

    68 V

    500 mW

    10 piece(s) €0.029
    50 piece(s) €0.0249
    100 piece(s) €0.0218
    250 piece(s) €0.0193
    500 piece(s) €0.0174
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    Minimum Order Quantity 10
      9699 piece(s) in stock
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    Zener-Diode THT, 500 mW, 5 mA, BZX55-C7V5
    BZX55-C7V5 of Vishay
    Illustration can deviate

    Order No.: 22S2522

    Manufacturer: Vishay

    Manufacturer No.:
    BZX55-C7V5

    THT

    7,5 V

    500 mW

    10 piece(s) €0.029
    50 piece(s) €0.0249
    100 piece(s) €0.0218
    250 piece(s) €0.0193
    500 piece(s) €0.0174
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    Minimum Order Quantity 10
      9573 piece(s) in stock
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    Zener-Diode SMD, 300 mW, 200 mA, 0,9 V, BZX84/C5V6
    BZX84-C5V6 of 235
    Illustration can deviate

    Order No.: 22S8600

    Manufacturer: NEXPERIA

    Manufacturer No.:
    BZX84-C5V6,235

    SMT

    5,6 V

    300 mW

    10 piece(s) €0.034
    50 piece(s) €0.029
    100 piece(s) €0.025
    250 piece(s) €0.022
    500 piece(s) €0.02
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    Minimum Order Quantity 10
      9139 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
    Illustration can deviate

    Order No.: 22S5400

    Manufacturer: NEXPERIA

    Manufacturer No.:
    BZX79-C5V1,133

    THT

    5,1 V

    500 mW

    10 piece(s) €0.034
    50 piece(s) €0.029
    100 piece(s) €0.026
    250 piece(s) €0.023
    500 piece(s) €0.02
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      8906 piece(s) in stock
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    Zener-Diode THT, 500 mW, 5 mA, ZPD5.6
    ZPD5.6 of Diotec
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    Order No.: 22S2616

    Manufacturer: Diotec

    Manufacturer No.:
    ZPD5.6

    THT

    5,6 V

    500 mW

    10 piece(s) €0.038
    50 piece(s) €0.033
    100 piece(s) €0.029
    250 piece(s) €0.025
    500 piece(s) €0.023
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      8623 piece(s) in stock
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    Zener-Diode THT, 500 mW, 5 mA, ZPD4.7
    ZPD4.7 of Diotec
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    Order No.: 22S2612

    Manufacturer: Diotec

    Manufacturer No.:
    ZPD4.7

    THT

    4,7 V

    500 mW

    10 piece(s) €0.0216
    50 piece(s) €0.0185
    100 piece(s) €0.0162
    250 piece(s) €0.0144
    500 piece(s) €0.013
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    Minimum Order Quantity 10
      7710 piece(s) in stock
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