DUAL Zener Diodes 2,400+

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Part RoHS Manufacturer Diode Type Terminal Position Terminal Form No. of Terminals Surface Mount Package Shape Package Body Material Working Test Current Config Maximum Voltage Temperature Coefficient Nominal Reference Voltage Maximum Output Current Maximum Non Repetitive Peak Reverse Power Dissipation Maximum Forward Voltage (VF) Nominal Breakdown Voltage Maximum Reverse Recovery Time Technology Maximum Reverse Current No. of Elements Reverse Test Voltage Package Style (Meter) Sub-Category Maximum Voltage Tolerance Maximum Repetitive Peak Reverse Voltage Maximum Knee Impedance Maximum Operating Temperature Maximum Dynamic Impedance Minimum Operating Temperature Terminal Finish JESD-30 Code Moisture Sensitivity Level (MSL) Polarity Case Connection Qualification Maximum Power Dissipation Additional Features JEDEC-95 Code Maximum Clamping Voltage Minimum Breakdown Voltage Maximum Non Repetitive Peak Forward Current JESD-609 Code Maximum Time At Peak Reflow Temperature (s) Peak Reflow Temperature (C) Diode Element Material Maximum Breakdown Voltage Reference Standard

1SMB5919B-T3

Won-top Electronics

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

66.9 mA

SINGLE

5.6 V

1.5 V

ZENER

5 uA

1

3 V

SMALL OUTLINE

5 %

250 ohm

150 Cel

2 ohm

-65 Cel

TIN LEAD

R-PDSO-C2

UNIDIRECTIONAL

3 W

DO-214AA

e0

SILICON

1SMB5919BT3

Onsemi

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

66.9 mA

SINGLE

5.6 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

175 Cel

2 ohm

TIN LEAD

R-PDSO-C2

1

UNIDIRECTIONAL

Not Qualified

.55 W

DO-214AA

e0

30

235

SILICON

SZMM3Z15VST1G

Onsemi

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

15 V

ZENER

1

SMALL OUTLINE

2.18 %

150 Cel

-65 Cel

R-PDSO-G2

UNIDIRECTIONAL

.3 W

NOT SPECIFIED

NOT SPECIFIED

SILICON

AEC-Q101

BZX84-C10

NXP Semiconductors

ZENER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

10 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

20 ohm

-65 Cel

Tin (Sn)

R-PDSO-G3

1

UNIDIRECTIONAL

Not Qualified

.25 W

TO-236AB

e3

30

260

SILICON

BZX84C10

Vishay Intertechnology

ZENER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

10 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

20 ohm

MATTE TIN

R-PDSO-G3

1

UNIDIRECTIONAL

Not Qualified

.3 W

e3

10

260

SILICON

MMSZ5257BT1G

Onsemi

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

3.8 mA

SINGLE

33 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

58 ohm

-55 Cel

MATTE TIN

R-PDSO-G2

1

UNIDIRECTIONAL

Not Qualified

.5 W

e3

30

260

SILICON

SZBZX84C6V8LT1G

Onsemi

ZENER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

6.8 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5.88 %

150 Cel

15 ohm

-65 Cel

MATTE TIN

R-PDSO-G3

1

UNIDIRECTIONAL

.25 W

TO-236AB

e3

30

260

SILICON

AEC-Q101

BZX84C9V1LT1G

Onsemi

ZENER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

9.1 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

6.08 %

150 Cel

15 ohm

-65 Cel

MATTE TIN

R-PDSO-G3

1

UNIDIRECTIONAL

Not Qualified

.25 W

TO-236AB

e3

30

260

SILICON

UL RECOGNIZED

BZT52C15SQ-7-F

Diodes Incorporated

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

15 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

6.12 %

150 Cel

30 ohm

-65 Cel

MATTE TIN

R-PDSO-G2

1

UNIDIRECTIONAL

.2 W

HIGH RELIABILITY

e3

30

260

SILICON

AEC-Q101

BZT52-C15S-AU_R1_000A1

Panjit International

ZENER DIODE

DUAL

FLAT

2

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

15 V

ZENER

.1 uA

1

11 V

SMALL OUTLINE

5 %

200 ohm

150 Cel

30 ohm

-55 Cel

R-PDSO-F2

UNIDIRECTIONAL

.2 W

NOT SPECIFIED

NOT SPECIFIED

SILICON

AEC-Q101

SZMMSZ4680T1G

Onsemi

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

.05 mA

SINGLE

2.2 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

-55 Cel

MATTE TIN

R-PDSO-G2

1

UNIDIRECTIONAL

.5 W

e3

30

260

SILICON

AEC-Q101

1SMB5938BT3G

Onsemi

ZENER DIODE

DUAL

L BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

10.4 mA

SINGLE

36 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

38 ohm

-65 Cel

MATTE TIN

R-PDSO-L2

1

UNIDIRECTIONAL

Not Qualified

.55 W

e3

30

260

SILICON

BZX84-C8V2,215

NXP Semiconductors

ZENER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

6.2 mV/Cel

8.2 V

ZENER

.7 uA

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

15 ohm

-65 Cel

TIN

R-PDSO-G3

1

UNIDIRECTIONAL

Not Qualified

.25 W

TO-236AB

e3

30

260

SILICON

SZMMSZ4688T3G

Onsemi

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

.05 mA

SINGLE

4.7 V

ZENER

1

SMALL OUTLINE

4.99 %

150 Cel

-55 Cel

MATTE TIN

R-PDSO-G2

1

UNIDIRECTIONAL

.5 W

e3

30

260

SILICON

AEC-Q101

BZX84C12VLYT116

ROHM

ZENER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

9.8 mV/Cel

12 V

ZENER

.1 uA

1

8 V

SMALL OUTLINE

5.39 %

150 Cel

25 ohm

TIN

R-PDSO-G3

1

UNIDIRECTIONAL

.25 W

HIGH RELIABILITY

e3

SILICON

BZX84C6V2-7-F

Diodes Incorporated

ZENER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

6.2 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

6.45 %

150 Cel

10 ohm

-65 Cel

MATTE TIN

R-PDSO-G3

1

UNIDIRECTIONAL

Not Qualified

.35 W

HIGH RELIABILITY

e3

30

260

SILICON

SZ1SMB5917BT3G-VF01

Onsemi

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

79.8 mA

SINGLE

4.7 V

1.5 V

ZENER

5 uA

1

1.5 V

SMALL OUTLINE

5 %

500 ohm

150 Cel

5 ohm

-65 Cel

Matte Tin (Sn) - annealed

R-PDSO-C2

1

UNIDIRECTIONAL

.55 W

e3

30

260

SILICON

AEC-Q101

BZT52-C15S_R1_00001

Panjit International

ZENER DIODE

DUAL

FLAT

2

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

15 V

ZENER

.1 uA

1

11 V

SMALL OUTLINE

5 %

200 ohm

150 Cel

30 ohm

-55 Cel

R-PDSO-F2

UNIDIRECTIONAL

.2 W

NOT SPECIFIED

NOT SPECIFIED

SILICON

BZT52C15S-TP

Micro Commercial Components

ZENER DIODE

DUAL

FLAT

2

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

15 V

ZENER

.0001 uA

1

SMALL OUTLINE

6.12 %

200 ohm

150 Cel

30 ohm

-65 Cel

Matte Tin (Sn)

R-PDSO-F2

1

UNIDIRECTIONAL

Not Qualified

.2 W

e3

10

260

SILICON

BZT52C15SRRG

Taiwan Semiconductor

ZENER DIODE

DUAL

FLAT

2

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

15 V

ZENER

.045 uA

1

10.5 V

SMALL OUTLINE

5 %

188 ohm

150 Cel

30 ohm

-65 Cel

MATTE TIN OVER NICKEL

R-PDSO-F2

1

UNIDIRECTIONAL

.2 W

e3

30

260

SILICON

BZX84-C9V1,215

NXP Semiconductors

ZENER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

7 mV/Cel

9.1 V

ZENER

.5 uA

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

15 ohm

-65 Cel

TIN

R-PDSO-G3

1

UNIDIRECTIONAL

Not Qualified

.25 W

TO-236AB

e3

30

260

SILICON

MM3Z3V6T1G

Onsemi

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

3.6 V

.9 V

ZENER

5 uA

1

1 V

SMALL OUTLINE

Voltage Reference Diodes

5.56 %

1000 ohm

150 Cel

90 ohm

-65 Cel

MATTE TIN

R-PDSO-G2

1

UNIDIRECTIONAL

Not Qualified

.3 W

e3

30

260

SILICON

BZT52C16-7-F

Diodes Incorporated

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

14 mV/Cel

16 V

ZENER

.1 uA

1

11.2 V

SMALL OUTLINE

5.56 %

200 ohm

150 Cel

40 ohm

-65 Cel

MATTE TIN

R-PDSO-G2

1

UNIDIRECTIONAL

Not Qualified

.37 W

HIGH RELIABILITY

e3

30

260

SILICON

SZMMSZ4691T1G

Onsemi

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

.05 mA

SINGLE

6.2 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

-55 Cel

MATTE TIN

R-PDSO-G2

1

UNIDIRECTIONAL

.5 W

e3

30

260

SILICON

AEC-Q101

BZX84C18

Vishay Intertechnology

ZENER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

18 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

45 ohm

MATTE TIN

R-PDSO-G3

1

UNIDIRECTIONAL

Not Qualified

.3 W

e3

10

260

SILICON

BZX84-C18

NXP Semiconductors

ZENER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

18 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

45 ohm

-65 Cel

Tin (Sn)

R-PDSO-G3

1

UNIDIRECTIONAL

Not Qualified

.25 W

TO-236AB

e3

30

260

SILICON

PTZTE2511B

ROHM

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

20 mA

SINGLE

11 V

ZENER

10 uA

1

SMALL OUTLINE

Voltage Reference Diodes

5.58 %

150 Cel

8 ohm

TIN SILVER COPPER

R-PDSO-C2

1

UNIDIRECTIONAL

Not Qualified

1 W

HIGH SURGE WITHSTAND LEVEL

e1

10

260

SILICON

SZMM3Z18VST1G

Onsemi

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

18 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

2.2 %

150 Cel

45 ohm

-65 Cel

MATTE TIN

R-PDSO-G2

1

UNIDIRECTIONAL

.3 W

e3

30

260

SILICON

AEC-Q101

SZBZX84C9V1LT1G

Onsemi

ZENER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

9.1 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

6.08 %

150 Cel

15 ohm

-65 Cel

MATTE TIN

R-PDSO-G3

1

UNIDIRECTIONAL

.25 W

TO-236AB

e3

30

260

SILICON

AEC-Q101

BZX84C18-7-F

Diodes Incorporated

ZENER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

18 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

6.41 %

150 Cel

45 ohm

-65 Cel

MATTE TIN

R-PDSO-G3

1

UNIDIRECTIONAL

Not Qualified

.35 W

HIGH RELIABILITY

e3

30

260

SILICON

MM3Z18VST1G

Onsemi

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

18 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

2.2 %

150 Cel

45 ohm

-65 Cel

MATTE TIN

R-PDSO-G2

1

UNIDIRECTIONAL

Not Qualified

.3 W

e3

30

260

SILICON

BZX84C15VLYFHT116

ROHM

ZENER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

12.6 mV/Cel

15 V

ZENER

.1 uA

1

10 V

SMALL OUTLINE

6.12 %

150 Cel

30 ohm

TIN

R-PDSO-G3

1

UNIDIRECTIONAL

.25 W

HIGH RELIABILITY

e3

SILICON

AEC-Q101

BZX84C16-7-F

Diodes Incorporated

ZENER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

16 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5.56 %

150 Cel

40 ohm

-65 Cel

MATTE TIN

R-PDSO-G3

1

UNIDIRECTIONAL

Not Qualified

.35 W

HIGH RELIABILITY

e3

30

260

SILICON

BZT52C10-7-F

Diodes Incorporated

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

8 mV/Cel

10 V

ZENER

.2 uA

1

7 V

SMALL OUTLINE

6 %

150 ohm

150 Cel

20 ohm

-65 Cel

MATTE TIN

R-PDSO-G2

1

UNIDIRECTIONAL

Not Qualified

.37 W

HIGH RELIABILITY

e3

30

260

SILICON

MM5Z3V3T1G

Onsemi

ZENER DIODE

DUAL

FLAT

2

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

3.3 V

.9 V

ZENER

5 uA

1

1 V

SMALL OUTLINE

Voltage Reference Diodes

6.06 %

1000 ohm

150 Cel

95 ohm

-65 Cel

MATTE TIN

R-PDSO-F2

1

UNIDIRECTIONAL

Not Qualified

.5 W

e3

30

260

SILICON

SZ1SMA5915BT3G

Onsemi

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

96.1 mA

SINGLE

3.9 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

7.5 ohm

-65 Cel

MATTE TIN

R-PDSO-C2

1

UNIDIRECTIONAL

.5 W

e3

30

260

SILICON

AEC-Q101

BZX84C15

Vishay Intertechnology

ZENER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

15 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

30 ohm

MATTE TIN

R-PDSO-G3

1

UNIDIRECTIONAL

Not Qualified

.3 W

e3

10

260

SILICON

BZX84-C15

NXP Semiconductors

ZENER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

15 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

30 ohm

-65 Cel

TIN

R-PDSO-G3

1

UNIDIRECTIONAL

Not Qualified

.25 W

TO-236AB

e3

30

260

SILICON

SZ1SMB5935BT3G

Onsemi

ZENER DIODE

DUAL

L BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

13.9 mA

SINGLE

27 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

23 ohm

-65 Cel

MATTE TIN

R-PDSO-L2

1

UNIDIRECTIONAL

.55 W

e3

30

260

SILICON

AEC-Q101

BZT52-C4V7X

Nexperia

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

.2 mV/Cel

4.7 V

ZENER

3 uA

1

2 V

SMALL OUTLINE

6.38 %

500 ohm

150 Cel

78 ohm

-55 Cel

TIN

R-PDSO-G2

1

UNIDIRECTIONAL

.35 W

e3

30

260

SILICON

AEC-Q101; IEC-60134

BZT52C6V2S-7-F

Diodes Incorporated

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

6.2 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

6.45 %

150 Cel

10 ohm

-65 Cel

MATTE TIN

R-PDSO-G2

1

UNIDIRECTIONAL

Not Qualified

.2 W

HIGH RELIABILITY

e3

30

260

SILICON

BZX384-C5V1,115

NXP Semiconductors

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

1.2 mV/Cel

5.1 V

ZENER

2 uA

1

2 V

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

480 ohm

-65 Cel

TIN

R-PDSO-G2

1

UNIDIRECTIONAL

Not Qualified

.3 W

e3

30

260

SILICON

BZX84C10T-7-F

Diodes Incorporated

ZENER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

10 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

6 %

150 Cel

20 ohm

-65 Cel

MATTE TIN

R-PDSO-G3

1

UNIDIRECTIONAL

Not Qualified

.15 W

e3

40

260

SILICON

BZX84B5V1LT1G

Onsemi

ZENER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

5.1 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

1.96 %

150 Cel

60 ohm

-65 Cel

MATTE TIN

R-PDSO-G3

1

UNIDIRECTIONAL

Not Qualified

.25 W

TO-236AB

e3

30

260

SILICON

UL RECOGNIZED

MMSZ5231BS-7-F

Diodes Incorporated

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

20 mA

SINGLE

5.1 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

17 ohm

-65 Cel

MATTE TIN

R-PDSO-G2

1

UNIDIRECTIONAL

Not Qualified

.2 W

e3

30

260

SILICON

SZMM3Z3V3T1G

Onsemi

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

3.3 V

.9 V

ZENER

5 uA

1

1 V

SMALL OUTLINE

Voltage Reference Diodes

6 %

1000 ohm

150 Cel

95 ohm

-65 Cel

MATTE TIN

R-PDSO-G2

1

UNIDIRECTIONAL

.3 W

e3

30

260

SILICON

AEC-Q101

MMSZ4705T1G

Onsemi

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

.05 mA

SINGLE

18 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

-55 Cel

MATTE TIN

R-PDSO-G2

1

UNIDIRECTIONAL

Not Qualified

.5 W

e3

30

260

SILICON

BZT52C18-7-F

Diodes Incorporated

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

16 mV/Cel

18 V

ZENER

.1 uA

1

12.6 V

SMALL OUTLINE

6.41 %

225 ohm

150 Cel

45 ohm

-65 Cel

MATTE TIN

R-PDSO-G2

1

UNIDIRECTIONAL

Not Qualified

.37 W

HIGH RELIABILITY

e3

30

260

SILICON

Zener Diodes

Zener diodes are electronic components that are designed to operate in the reverse breakdown region of their P-N junction, providing a stable and predictable voltage output. They are commonly used in electronic circuits as voltage regulators, voltage references, and surge protectors.

Zener diodes operate based on the properties of their P-N junction, which is designed to have a narrow depletion region and a low breakdown voltage. When a reverse voltage is applied to the diode, the depletion region widens, allowing a small reverse current to flow. As the voltage across the diode increases, the reverse current increases exponentially, maintaining a stable voltage across the diode.

Zener diodes offer several advantages over other types of voltage regulators, such as simplicity, low cost, and high efficiency. They do not require any external components, such as capacitors or inductors, and they can provide a stable output voltage over a wide range of input voltages and temperatures.

Zener diodes are commonly used in electronic circuits that require a stable voltage source, such as power supplies, battery chargers, and voltage regulators. They come in different package sizes and voltage ratings, depending on the application and the required performance.