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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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    Order No.: 22S2516

    Manufacturer: Vishay

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    BZX55-C5V6

    THT

    5,6 V

    500 mW

    1 piece(s) €0.174
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    SMD

    6 V

    500 mW

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    Manufacturer: Vishay

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    BZX55-C9V1

    THT

    9,1 V

    500 mW

    1 piece(s) €0.0384
    100 piece(s) €0.0274
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    Manufacturer: Vishay

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    BZX55-C3V3

    THT

    3,3 V

    500 mW

    1 piece(s) €0.0384
    100 piece(s) €0.0274
    500 piece(s) €0.024
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    Manufacturer: Vishay

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    BZX55-C3V6

    THT

    3,6 V

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    1 piece(s) €0.0384
    100 piece(s) €0.0274
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    Order No.: 22S2536

    Manufacturer: Vishay

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    BZX55-C15-TAP

    THT

    15 V

    500 mW

    1 piece(s) €0.04
    100 piece(s) €0.0286
    500 piece(s) €0.025
    2500 piece(s) €0.0222
    5000 piece(s) €0.0167
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    Manufacturer: NEXPERIA

    Manufacturer No.:
    BZX84-C10,215

    SMD

    10 V

    300 mW

    100 piece(s) €0.062
    3000 piece(s) €0.0341
    12000 piece(s) €0.0279
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    Order No.: 32S3648

    Manufacturer: Diodes

    Manufacturer No.:
    BZT52C5V1S-7-F

    SMD

    5,1 V

    200 mW

    100 piece(s) €0.07
    500 piece(s) €0.053
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    3000 piece(s) €0.0231
    15000 piece(s) €0.0224
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    Order No.: 32S3683

    Manufacturer: Diodes

    Manufacturer No.:
    BZT52C3V6S-7-F

    SMD

    3,6 V

    200 mW

    100 piece(s) €0.0679
    500 piece(s) €0.0514
    1000 piece(s) €0.0337
    3000 piece(s) €0.0224
    15000 piece(s) €0.0217
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    Manufacturer: Vishay

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    BZX55-C4V7

    THT

    4,7 V

    500 mW

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    100 piece(s) €0.0243
    500 piece(s) €0.0213
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    Order No.: 25S7330

    Manufacturer: Diotec

    Manufacturer No.:
    ZMM 9,1

    SMD

    9,1 V

    500 mW

    10 piece(s) €0.0323
    100 piece(s) €0.0215
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    Order No.: 22S9820

    Manufacturer: Vishay

    Manufacturer No.:
    BZX85/C9V1-TAP

    THT

    9,1 V

    1,3 W

    1 piece(s) €0.07
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    Manufacturer: NXP

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    BZV55/C15 (SMD)

    SMD

    15,6 V

    500 mW

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    Manufacturer: Vishay

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    BZX55-C30

    THT

    30 V

    500 mW

    50 piece(s) €0.0383
    250 piece(s) €0.0288
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    10000 piece(s) €0.0177
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    Order No.: 22S2568

    Manufacturer: Vishay

    Manufacturer No.:
    BZX55-C68

    THT

    68 V

    500 mW

    1 piece(s) €0.0712
    100 piece(s) €0.0509
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    2500 piece(s) €0.0222
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    Manufacturer: Vishay

    Manufacturer No.:
    TZMC68-GS08

    SMD

    68 V

    500 mW

    1 piece(s) €0.0304
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    Order No.: 22S2616

    Manufacturer: Diotec

    Manufacturer No.:
    ZPD5.6

    THT

    5,6 V

    500 mW

    50 piece(s) €0.0517
    100 piece(s) €0.045
    1000 piece(s) €0.03
    5000 piece(s) €0.015
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    Order No.: 22S2514

    Manufacturer: Vishay

    Manufacturer No.:
    BZX55-C5V1-TAP

    THT

    5,1 V

    500 mW

    1 piece(s) €0.044
    100 piece(s) €0.0314
    500 piece(s) €0.0275
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    Order No.: 22S2528

    Manufacturer: Vishay

    Manufacturer No.:
    BZX55-C10

    THT

    10 V

    500 mW

    1 piece(s) €0.044
    100 piece(s) €0.0249
    500 piece(s) €0.0218
    2500 piece(s) €0.0193
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    Order No.: 22S2612

    Manufacturer: Diotec

    Manufacturer No.:
    ZPD4.7

    THT

    4,7 V

    500 mW

    1 piece(s) €0.0354
    10 piece(s) €0.0308
    100 piece(s) €0.0118
    1000 piece(s) €0.0111
    5000 piece(s) €0.0103
    20000 piece(s) €0.0097
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