GULL WING 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

SZMMSZ5237BT1G

Onsemi

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

20 mA

SINGLE

8.2 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

8 ohm

-55 Cel

MATTE TIN

R-PDSO-G2

1

UNIDIRECTIONAL

.5 W

e3

30

260

SILICON

AEC-Q101

BZX84C4V7LYT116

ROHM

ZENER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

1.1 mV/Cel

4.7 V

ZENER

3 uA

1

2 V

SMALL OUTLINE

6.38 %

150 Cel

80 ohm

TIN

R-PDSO-G3

1

UNIDIRECTIONAL

.25 W

HIGH RELIABILITY

e3

SILICON

PDZ3.3B,115

NXP Semiconductors

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

0 mV/Cel

3.3 V

ZENER

5 uA

1

SMALL OUTLINE

Voltage Reference Diodes

3.07 %

150 Cel

TIN

R-PDSO-G2

1

UNIDIRECTIONAL

Not Qualified

.4 W

e3

30

260

SILICON

PDZ33B,115

NXP Semiconductors

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

29.7 mV/Cel

33 V

ZENER

.05 uA

1

SMALL OUTLINE

Voltage Reference Diodes

2.49 %

150 Cel

40 ohm

TIN

R-PDSO-G2

1

UNIDIRECTIONAL

Not Qualified

.4 W

e3

30

260

SILICON

BZX84C9V1-E3-08

Vishay Intertechnology

ZENER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

.8 mV/Cel

9.1 V

ZENER

.5 uA

1

6 V

SMALL OUTLINE

Voltage Reference Diodes

5 %

100 ohm

150 Cel

15 ohm

-55 Cel

Matte Tin (Sn)

R-PDSO-G3

1

UNIDIRECTIONAL

.5 W

e3

10

260

SILICON

MMSZ4690-E3-08

Vishay Intertechnology

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

.05 mA

SINGLE

5.6 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

-55 Cel

Matte Tin (Sn)

R-PDSO-G2

1

UNIDIRECTIONAL

.5 W

e3

10

260

SILICON

BZT52C2V0-7-F

Diodes Incorporated

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

0 mV/Cel

2 V

ZENER

150 uA

1

1 V

SMALL OUTLINE

4.5 %

600 ohm

150 Cel

100 ohm

-65 Cel

MATTE TIN

R-PDSO-G2

1

UNIDIRECTIONAL

Not Qualified

.37 W

HIGH RELIABILITY

e3

30

260

SILICON

BZX84B27LT1G

Onsemi

ZENER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

2 mA

SINGLE

27 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

2 %

150 Cel

80 ohm

-65 Cel

MATTE TIN

R-PDSO-G3

1

UNIDIRECTIONAL

Not Qualified

.25 W

e3

30

260

SILICON

BZX84B27VLYT116

ROHM

ZENER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

2 mA

SINGLE

25.8 mV/Cel

27 V

ZENER

.1 uA

1

19 V

SMALL OUTLINE

1.85 %

150 Cel

80 ohm

TIN

R-PDSO-G3

UNIDIRECTIONAL

.25 W

HIGH RELIABILITY

e3

SILICON

BZX84-C2V7,215

NXP Semiconductors

ZENER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

0 mV/Cel

2.7 V

ZENER

20 uA

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

100 ohm

-65 Cel

TIN

R-PDSO-G3

1

UNIDIRECTIONAL

Not Qualified

.25 W

TO-236AB

e3

30

260

SILICON

BZX84B15-E3-08

Vishay Intertechnology

ZENER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

.9 mV/Cel

15 V

ZENER

.05 uA

1

10.5 V

SMALL OUTLINE

Voltage Reference Diodes

2 %

200 ohm

150 Cel

30 ohm

-55 Cel

MATTE TIN

R-PDSO-G3

1

UNIDIRECTIONAL

.5 W

e3

30

260

SILICON

BZX84B27VLT116

ROHM

ZENER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

2 mA

SINGLE

25.8 mV/Cel

27 V

ZENER

.1 uA

1

19 V

SMALL OUTLINE

1.85 %

150 Cel

80 ohm

R-PDSO-G3

UNIDIRECTIONAL

.25 W

HIGH RELIABILITY

NOT SPECIFIED

NOT SPECIFIED

SILICON

BZX84B27VLYFHT116

ROHM

ZENER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

2 mA

SINGLE

25.8 mV/Cel

27 V

ZENER

.1 uA

1

19 V

SMALL OUTLINE

1.8519 %

150 Cel

80 ohm

TIN

R-PDSO-G3

UNIDIRECTIONAL

.25 W

HIGH RELIABILITY

e3

SILICON

AEC-Q101

BZX84C10VLT116

ROHM

ZENER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

6 mV/Cel

10 V

ZENER

.2 uA

1

7 V

SMALL OUTLINE

6 %

150 Cel

20 ohm

R-PDSO-G3

UNIDIRECTIONAL

.25 W

HIGH RELIABILITY

10

260

SILICON

BZX384C15-HE3-08

Vishay Intertechnology

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

15 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

30 ohm

-55 Cel

MATTE TIN

R-PDSO-G2

1

UNIDIRECTIONAL

.2 W

e3

SILICON

AEC-Q101

SZBZX84C10ET1G

Onsemi

ZENER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

10 V

ZENER

1

SMALL OUTLINE

6 %

150 ohm

150 Cel

20 ohm

-65 Cel

MATTE TIN

R-PDSO-G3

1

UNIDIRECTIONAL

.25 W

TO-236AB

e3

30

260

SILICON

AEC-Q101; UL RECOGNIZED

BZX84-C16

NXP Semiconductors

ZENER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

16 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

40 ohm

-65 Cel

TIN

R-PDSO-G3

1

UNIDIRECTIONAL

Not Qualified

.25 W

TO-236AB

e3

30

260

SILICON

BZX84B7V5LT1G

Onsemi

ZENER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

7.5 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

2 %

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

BZX84C16

Vishay Intertechnology

ZENER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

16 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

40 ohm

MATTE TIN

R-PDSO-G3

1

UNIDIRECTIONAL

Not Qualified

.3 W

e3

SILICON

MM3Z7V5ST1G

Onsemi

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

7.5 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

2.15 %

150 Cel

15 ohm

-65 Cel

MATTE TIN

R-PDSO-G2

1

UNIDIRECTIONAL

Not Qualified

.3 W

e3

30

260

SILICON

MMSZ5225BT1G

Onsemi

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

20 mA

SINGLE

3 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

29 ohm

-55 Cel

MATTE TIN

R-PDSO-G2

1

UNIDIRECTIONAL

Not Qualified

.5 W

e3

30

260

SILICON

BZX84C16VLYFHT116

ROHM

ZENER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

14.3 mV/Cel

16 V

ZENER

.1 uA

1

11 V

SMALL OUTLINE

5.56 %

150 Cel

40 ohm

TIN

R-PDSO-G3

1

UNIDIRECTIONAL

.25 W

HIGH RELIABILITY

e3

SILICON

AEC-Q101

SZMM3Z6V2ST1G

Onsemi

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

6.2 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

2.18 %

150 Cel

10 ohm

-65 Cel

MATTE TIN

R-PDSO-G2

1

UNIDIRECTIONAL

.3 W

e3

30

260

SILICON

AEC-Q101

MMSZ5242B-E3-08

Vishay Intertechnology

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

20 mA

SINGLE

8.4 mV/Cel

12 V

ZENER

1 uA

1

9.1 V

SMALL OUTLINE

Voltage Reference Diodes

5 %

600 ohm

150 Cel

30 ohm

-55 Cel

Matte Tin (Sn)

R-PDSO-G2

1

UNIDIRECTIONAL

.5 W

e3

10

260

SILICON

MMBZ5239BLT1G

Onsemi

ZENER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

20 mA

SINGLE

9.1 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5.05 %

150 Cel

10 ohm

-65 Cel

MATTE TIN

R-PDSO-G3

1

UNIDIRECTIONAL

Not Qualified

.225 W

TO-236AB

e3

30

260

SILICON

BZX84C3V3LYT116

ROHM

ZENER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

0 mV/Cel

3.3 V

ZENER

5 uA

1

1 V

SMALL OUTLINE

6.06 %

150 Cel

95 ohm

TIN

R-PDSO-G3

1

UNIDIRECTIONAL

.25 W

HIGH RELIABILITY

e3

SILICON

BZT52-C15X

Nexperia

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

13 mV/Cel

14.7 V

ZENER

.05 uA

1

10.5 V

SMALL OUTLINE

6.12 %

110 ohm

150 Cel

15 ohm

-55 Cel

TIN

R-PDSO-G2

1

UNIDIRECTIONAL

.35 W

e3

30

260

SILICON

AEC-Q101; IEC-60134

BZT52C3V9-7-F

Diodes Incorporated

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

0 mV/Cel

3.9 V

ZENER

3 uA

1

1 V

SMALL OUTLINE

5.13 %

600 ohm

150 Cel

90 ohm

-65 Cel

MATTE TIN

R-PDSO-G2

1

UNIDIRECTIONAL

Not Qualified

.37 W

HIGH RELIABILITY

e3

30

260

SILICON

BZT52-C5V1J

Nexperia

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

5.88 %

480 ohm

150 Cel

60 ohm

-55 Cel

TIN

R-PDSO-G2

1

UNIDIRECTIONAL

.35 W

e3

30

260

SILICON

AEC-Q101; IEC-60134

BZT52C5V1-13-F

Diodes Incorporated

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

5.88 %

480 ohm

150 Cel

60 ohm

-65 Cel

MATTE TIN

R-PDSO-G2

1

UNIDIRECTIONAL

Not Qualified

.37 W

HIGH RELIABILITY

e3

30

260

SILICON

MM3Z6V8T1G

Onsemi

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

6.8 V

.9 V

ZENER

2 uA

1

4 V

SMALL OUTLINE

Voltage Reference Diodes

5.88 %

160 ohm

150 Cel

15 ohm

-65 Cel

MATTE TIN

R-PDSO-G2

1

UNIDIRECTIONAL

Not Qualified

.3 W

e3

30

260

SILICON

BZX84-B5V6,215

NXP Semiconductors

ZENER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

2.5 mV/Cel

5.6 V

ZENER

1 uA

1

SMALL OUTLINE

Voltage Reference Diodes

2 %

150 Cel

40 ohm

-65 Cel

TIN

R-PDSO-G3

1

UNIDIRECTIONAL

Not Qualified

.25 W

TO-236AB

e3

30

260

SILICON

BZX84C6V2W-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 %

125 Cel

10 ohm

-65 Cel

MATTE TIN

R-PDSO-G3

1

UNIDIRECTIONAL

Not Qualified

.2 W

e3

30

260

SILICON

MMSZ5245B-HE3-08

Vishay Intertechnology

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

8.5 mA

SINGLE

15 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

16 ohm

-55 Cel

MATTE TIN

R-PDSO-G2

1

UNIDIRECTIONAL

.5 W

e3

SILICON

AEC-Q101

BZX84C36-7-F

Diodes Incorporated

ZENER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

2 mA

SINGLE

36 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5.56 %

150 Cel

90 ohm

-65 Cel

MATTE TIN

R-PDSO-G3

1

UNIDIRECTIONAL

Not Qualified

.35 W

HIGH RELIABILITY

e3

30

260

SILICON

MMSZ5252BS-7-F

Diodes Incorporated

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

5.2 mA

SINGLE

24 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

33 ohm

-65 Cel

MATTE TIN

R-PDSO-G2

1

UNIDIRECTIONAL

Not Qualified

.2 W

e3

30

260

SILICON

BZX84C12S-7-F

Diodes Incorporated

ZENER DIODE

DUAL

GULL WING

6

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SEPARATE, 2 ELEMENTS

12 V

ZENER

2

SMALL OUTLINE

Voltage Reference Diodes

5.39 %

150 Cel

25 ohm

-65 Cel

MATTE TIN

R-PDSO-G6

1

UNIDIRECTIONAL

Not Qualified

.2 W

e3

30

260

SILICON

BZX384C15-E3-18

Vishay Intertechnology

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

15 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

30 ohm

-55 Cel

MATTE TIN

R-PDSO-G2

1

UNIDIRECTIONAL

.2 W

e3

SILICON

BZX84B5V6LT1G

Onsemi

ZENER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

5.6 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

1.96 %

150 Cel

40 ohm

-65 Cel

MATTE TIN

R-PDSO-G3

1

UNIDIRECTIONAL

Not Qualified

.25 W

TO-236AB

e3

30

260

SILICON

UL RECOGNIZED

MM3Z4V7ST1G

Onsemi

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

4.7 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

2.15 %

150 Cel

80 ohm

-65 Cel

MATTE TIN

R-PDSO-G2

1

UNIDIRECTIONAL

Not Qualified

.3 W

e3

30

260

SILICON

MMSZ4694T1G

Onsemi

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

.05 mA

SINGLE

8.2 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

BZX84-C6V8,235

NXP Semiconductors

ZENER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

4.5 mV/Cel

6.8 V

ZENER

2 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

BZX384C15-G3-08

Vishay Intertechnology

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

15 V

ZENER

1

SMALL OUTLINE

5 %

150 Cel

-55 Cel

MATTE TIN

R-PDSO-G2

1

UNIDIRECTIONAL

.2 W

e3

10

260

SILICON

AEC-Q101

BZX84C39LT1G

Onsemi

ZENER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

2 mA

SINGLE

39 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5.1 %

150 Cel

130 ohm

-65 Cel

MATTE TIN

R-PDSO-G3

1

UNIDIRECTIONAL

Not Qualified

.25 W

TO-236AB

e3

30

260

SILICON

UL RECOGNIZED

BZX84C8V2W-7-F

Diodes Incorporated

ZENER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

8.2 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

6.1 %

125 Cel

15 ohm

-65 Cel

MATTE TIN

R-PDSO-G3

1

UNIDIRECTIONAL

Not Qualified

.2 W

e3

30

260

SILICON

MM3Z8V2ST1G

Onsemi

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

8.2 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

2.08 %

150 Cel

15 ohm

-65 Cel

MATTE TIN

R-PDSO-G2

1

UNIDIRECTIONAL

Not Qualified

.3 W

e3

30

260

SILICON

SZBZX84C5V1LT3G

Onsemi

ZENER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

5.1 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5.88 %

150 Cel

60 ohm

-65 Cel

MATTE TIN

R-PDSO-G3

1

UNIDIRECTIONAL

.25 W

TO-236AB

e3

30

260

SILICON

AEC-Q101

SZMMSZ4690ET3G

Onsemi

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

.05 mA

SINGLE

5.6 V

.9 V

ZENER

10 uA

1

4 V

SMALL OUTLINE

5 %

150 Cel

-55 Cel

MATTE TIN

R-PDSO-G2

1

UNIDIRECTIONAL

.5 W

e3

30

260

SILICON

AEC-Q101

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.