2 Zener Diodes 1,058

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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

DDZ6V8CQ-7

Diodes Incorporated

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

20 mA

SINGLE

6.8 V

ZENER

1

SMALL OUTLINE

2.56 %

150 Cel

-65 Cel

MATTE TIN

R-PDSO-G2

1

UNIDIRECTIONAL

.294 W

HIGH RELIABILITY

e3

30

260

SILICON

AEC-Q101

DDZ7V5CQ-7

Diodes Incorporated

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

20 mA

SINGLE

7.5 V

ZENER

1

SMALL OUTLINE

2.54 %

150 Cel

-65 Cel

MATTE TIN

R-PDSO-G2

1

UNIDIRECTIONAL

.294 W

HIGH RELIABILITY

e3

30

260

SILICON

AEC-Q101

DDZ9V1CQ-7

Diodes Incorporated

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

20 mA

SINGLE

9.1 V

ZENER

1

SMALL OUTLINE

2.59 %

150 Cel

-65 Cel

MATTE TIN

R-PDSO-G2

1

UNIDIRECTIONAL

.294 W

HIGH RELIABILITY

e3

30

260

SILICON

AEC-Q101

BZT52B4V7SRRG

Taiwan Semiconductor

ZENER DIODE

DUAL

FLAT

2

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

4.7 V

ZENER

2.7 uA

1

2 V

SMALL OUTLINE

2 %

470 ohm

150 Cel

80 ohm

-65 Cel

MATTE TIN OVER NICKEL

R-PDSO-F2

1

UNIDIRECTIONAL

.2 W

e3

30

260

SILICON

SMA2EZ12D5-TP

Micro Commercial Components

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

41.5 mA

SINGLE

12 V

ZENER

.001 uA

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

700 ohm

150 Cel

4.5 ohm

-55 Cel

Matte Tin (Sn)

R-PDSO-C2

1

UNIDIRECTIONAL

Not Qualified

2 W

DO-214AC

e3

10

260

SILICON

DFLZ8V2-TP

Micro Commercial Components

ZENER DIODE

DUAL

FLAT

2

YES

RECTANGULAR

PLASTIC/EPOXY

100 mA

SINGLE

8.2 V

ZENER

.005 uA

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

2 ohm

-55 Cel

MATTE TIN

R-PDSO-F2

1

UNIDIRECTIONAL

Not Qualified

1 W

e3

10

260

SILICON

SML4737A-E3/61

Vishay Intertechnology

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

34 mA

SINGLE

7.5 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

4 ohm

MATTE TIN

R-PDSO-C2

1

UNIDIRECTIONAL

Not Qualified

1 W

LOW IMPEDANCE

DO-214AC

e3

30

260

SILICON

SML4741-E3/5A

Vishay Intertechnology

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

23 mA

SINGLE

11 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

10 %

150 Cel

8 ohm

MATTE TIN

R-PDSO-C2

1

UNIDIRECTIONAL

Not Qualified

1 W

LOW IMPEDANCE

DO-214AC

e3

30

260

SILICON

SML4741A-E3/5A

Vishay Intertechnology

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

23 mA

SINGLE

11 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

8 ohm

MATTE TIN

R-PDSO-C2

1

UNIDIRECTIONAL

Not Qualified

1 W

LOW IMPEDANCE

DO-214AC

e3

30

260

SILICON

SML4747-E3/5A

Vishay Intertechnology

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

12.5 mA

SINGLE

20 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

10 %

150 Cel

22 ohm

MATTE TIN

R-PDSO-C2

1

UNIDIRECTIONAL

Not Qualified

1 W

LOW IMPEDANCE

DO-214AC

e3

30

260

SILICON

SML4747A-E3/5A

Vishay Intertechnology

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

12.5 mA

SINGLE

20 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

22 ohm

MATTE TIN

R-PDSO-C2

1

UNIDIRECTIONAL

Not Qualified

1 W

LOW IMPEDANCE

DO-214AC

e3

30

260

SILICON

MMSZ47T3G

Onsemi

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

2 mA

SINGLE

47 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

170 ohm

-55 Cel

MATTE TIN

R-PDSO-G2

1

UNIDIRECTIONAL

Not Qualified

.5 W

e3

30

260

SILICON

1N5248B-1E3TR

Microsemi

ZENER DIODE

AXIAL

WIRE

2

NO

ROUND

GLASS

20 mA

SINGLE

18 V

ZENER

1

LONG FORM

5 %

175 Cel

-65 Cel

MATTE TIN

O-LALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

.48 W

DO-204AH

e3

SILICON

PD3Z284C6V2-7

Diodes Incorporated

ZENER DIODE

DUAL

FLAT

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-F2

1

UNIDIRECTIONAL

CATHODE

Not Qualified

.5 W

HIGH RELIABILITY

e3

260

SILICON

PD3Z284C7V5-7

Diodes Incorporated

ZENER DIODE

DUAL

FLAT

2

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

7.5 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

6.04 %

150 Cel

10 ohm

-65 Cel

MATTE TIN

R-PDSO-F2

1

UNIDIRECTIONAL

CATHODE

Not Qualified

.5 W

HIGH RELIABILITY

e3

30

260

SILICON

MMSZ4704ET1

Onsemi

ZENER DIODE

DUAL

FLAT

2

YES

RECTANGULAR

PLASTIC/EPOXY

17 V

ZENER

SMALL OUTLINE

TIN LEAD

R-PDSO-F2

1

UNIDIRECTIONAL

Not Qualified

e0

235

SILICON

PD3Z284C13-7

Diodes Incorporated

ZENER DIODE

DUAL

FLAT

2

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

13 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

6.42 %

150 Cel

10 ohm

-65 Cel

MATTE TIN

R-PDSO-F2

1

UNIDIRECTIONAL

CATHODE

Not Qualified

.5 W

HIGH RELIABILITY

e3

30

260

SILICON

PD3Z284C20-7

Diodes Incorporated

ZENER DIODE

DUAL

FLAT

2

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

20 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

6 %

150 Cel

20 ohm

-65 Cel

MATTE TIN

R-PDSO-F2

1

UNIDIRECTIONAL

CATHODE

Not Qualified

.5 W

HIGH RELIABILITY

e3

30

260

SILICON

PD3Z284C22-7

Diodes Incorporated

ZENER DIODE

DUAL

FLAT

2

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

22 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5.67 %

150 Cel

25 ohm

-65 Cel

MATTE TIN

R-PDSO-F2

1

UNIDIRECTIONAL

CATHODE

Not Qualified

.5 W

HIGH RELIABILITY

e3

30

260

SILICON

PD3Z284C30-7

Diodes Incorporated

ZENER DIODE

DUAL

FLAT

2

YES

RECTANGULAR

PLASTIC/EPOXY

2 mA

SINGLE

30 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

6.67 %

150 Cel

40 ohm

-65 Cel

MATTE TIN

R-PDSO-F2

1

UNIDIRECTIONAL

CATHODE

Not Qualified

.5 W

HIGH RELIABILITY

e3

30

260

SILICON

MZP4750ARLG

Onsemi

ZENER DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

9.5 mA

SINGLE

27 V

ZENER

1

LONG FORM

Voltage Reference Diodes

5 %

200 Cel

35 ohm

-65 Cel

TIN

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

1 W

DO-41

e3

260

SILICON

3EZ18D5RLG

Onsemi

ZENER DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

42 mA

SINGLE

18 V

ZENER

1

LONG FORM

Voltage Reference Diodes

5 %

200 Cel

6 ohm

-65 Cel

TIN

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

1 W

DO-41

e3

260

SILICON

MZP4749ARLG

Onsemi

ZENER DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

10.5 mA

SINGLE

24 V

ZENER

1

LONG FORM

Voltage Reference Diodes

5 %

200 Cel

25 ohm

TIN

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

1 W

DO-41

e3

260

SILICON

3EZ16D5RLG

Onsemi

ZENER DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

47 mA

SINGLE

16 V

ZENER

1

LONG FORM

Voltage Reference Diodes

5 %

200 Cel

5.5 ohm

-65 Cel

TIN

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

1 W

DO-41

e3

260

SILICON

BZX85C36_T50A

Fairchild Semiconductor

ZENER DIODE

AXIAL

WIRE

2

NO

ROUND

GLASS

8 mA

SINGLE

36 V

ZENER

1

LONG FORM

Voltage Reference Diodes

5 %

200 Cel

40 ohm

-65 Cel

BRIGHT TIN

O-LALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

1 W

DO-41

e3

SILICON

SMBZ5927B-E3/5B

Vishay Intertechnology

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

31.2 mA

SINGLE

12 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

6.5 ohm

-65 Cel

Matte Tin (Sn)

R-PDSO-C2

1

UNIDIRECTIONAL

Not Qualified

.55 W

DO-214AA

e3

40

260

SILICON

NSZ5V6V2T1G

Onsemi

ZENER DIODE

DUAL

FLAT

2

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

6.2 V

.9 V

ZENER

1 uA

1

2 V

SMALL OUTLINE

Voltage Reference Diodes

2.14 %

200 ohm

150 Cel

40 ohm

-65 Cel

TIN

R-PDSO-F2

1

UNIDIRECTIONAL

Not Qualified

.2 W

e3

30

260

SILICON

1N5956B-TR

Microsemi

ZENER DIODE

AXIAL

WIRE

2

NO

ROUND

GLASS

1.9 mA

SINGLE

200 V

ZENER

1 uA

1

LONG FORM

5 %

8000 ohm

200 Cel

-55 Cel

TIN LEAD

O-LALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

1.5 W

DO-41

e0

SILICON

BZV55C10-TP

Micro Commercial Components

ZENER DIODE

END

WRAP AROUND

2

YES

ROUND

GLASS

5 mA

SINGLE

10 V

ZENER

.0001 uA

1

LONG FORM

70 ohm

150 Cel

15 ohm

-55 Cel

Matte Tin (Sn)

O-LELF-R2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

.5 W

HIGH RELIABILITY

e3

10

260

SILICON

BZV55C12-TP

Micro Commercial Components

ZENER DIODE

END

WRAP AROUND

2

YES

ROUND

GLASS

5 mA

SINGLE

12 V

ZENER

.0001 uA

1

LONG FORM

90 ohm

150 Cel

20 ohm

-55 Cel

Matte Tin (Sn)

O-LELF-R2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

.5 W

HIGH RELIABILITY

e3

10

260

SILICON

BZV55C13-TP

Micro Commercial Components

ZENER DIODE

END

WRAP AROUND

2

YES

ROUND

GLASS

5 mA

SINGLE

13 V

ZENER

.0001 uA

1

LONG FORM

110 ohm

150 Cel

26 ohm

-55 Cel

Matte Tin (Sn)

O-LELF-R2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

.5 W

HIGH RELIABILITY

e3

10

260

SILICON

BZV55C5V1-TP

Micro Commercial Components

ZENER DIODE

END

WRAP AROUND

2

YES

ROUND

GLASS

5 mA

SINGLE

5.1 V

ZENER

.0001 uA

1

LONG FORM

550 ohm

150 Cel

35 ohm

-55 Cel

Matte Tin (Sn)

O-LELF-R2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

.5 W

HIGH RELIABILITY

e3

10

260

SILICON

BZV55C5V6-TP

Micro Commercial Components

ZENER DIODE

END

WRAP AROUND

2

YES

ROUND

GLASS

5 mA

SINGLE

5.6 V

ZENER

.0001 uA

1

LONG FORM

450 ohm

150 Cel

25 ohm

-55 Cel

Matte Tin (Sn)

O-LELF-R2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

.5 W

HIGH RELIABILITY

e3

10

260

SILICON

BZV55C6V8-TP

Micro Commercial Components

ZENER DIODE

END

WRAP AROUND

2

YES

ROUND

GLASS

5 mA

SINGLE

6.8 V

ZENER

.0001 uA

1

LONG FORM

150 ohm

150 Cel

8 ohm

-55 Cel

Matte Tin (Sn)

O-LELF-R2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

.5 W

HIGH RELIABILITY

e3

10

260

SILICON

3EZ16D5-TP

Micro Commercial Components

ZENER DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

47 mA

SINGLE

16 V

ZENER

.0005 uA

1

LONG FORM

Voltage Reference Diodes

5 %

700 ohm

150 Cel

5.5 ohm

-55 Cel

MATTE TIN

O-PALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

3 W

DO-15

e3

10

260

SILICON

SMAJ5937B-TP

Micro Commercial Components

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

11.4 mA

SINGLE

33 V

ZENER

.0005 uA

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

800 ohm

150 Cel

33 ohm

MATTE TIN

R-PDSO-C2

1

UNIDIRECTIONAL

Not Qualified

1.5 W

DO-214AC

e3

10

260

SILICON

SMBJ5927B-TP

Micro Commercial Components

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

31.2 mA

SINGLE

12 V

ZENER

.001 uA

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

550 ohm

150 Cel

6.5 ohm

-55 Cel

MATTE TIN

R-PDSO-C2

1

UNIDIRECTIONAL

Not Qualified

1.5 W

DO-214AA

e3

10

260

SILICON

1N4687(DO35)

Microsemi

ZENER DIODE

AXIAL

WIRE

2

NO

ROUND

UNSPECIFIED

.05 mA

SINGLE

4.3 V

ZENER

1

LONG FORM

5 %

TIN LEAD

O-XALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

.25 W

DO-35

e0

SILICON

1N4693(DO35)

Microsemi

ZENER DIODE

AXIAL

WIRE

2

NO

ROUND

UNSPECIFIED

.05 mA

SINGLE

7.5 V

ZENER

1

LONG FORM

5 %

TIN LEAD

O-XALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

.25 W

DO-35

e0

SILICON

1N5956BUR-1

Microsemi

ZENER DIODE

END

WRAP AROUND

2

YES

ROUND

GLASS

1.9 mA

SINGLE

200 V

ZENER

1

LONG FORM

20 %

TIN LEAD

O-LELF-R2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

1.25 W

METALLURGICALLY BONDED, HIGH RELIABILITY

DO-213AB

e0

SILICON

BZT52C51S-13

Diodes Incorporated

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

51 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5.88 %

150 Cel

100 ohm

-65 Cel

Matte Tin (Sn)

R-PDSO-G2

1

UNIDIRECTIONAL

Not Qualified

.2 W

e3

30

260

SILICON

BZT52C27-13-F

Diodes Incorporated

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

2 mA

SINGLE

27 V

ZENER

.1 uA

1

18.9 V

SMALL OUTLINE

7.04 %

300 ohm

150 Cel

80 ohm

-65 Cel

MATTE TIN

R-PDSO-G2

1

UNIDIRECTIONAL

Not Qualified

.37 W

HIGH RELIABILITY

e3

30

260

SILICON

BZT52C2V4-13-F

Diodes Incorporated

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

0 mV/Cel

2.4 V

ZENER

50 uA

1

1 V

SMALL OUTLINE

8.33 %

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

BZT52C39-13-F

Diodes Incorporated

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

2 mA

SINGLE

39 V

ZENER

.1 uA

1

27.3 V

SMALL OUTLINE

5.13 %

350 ohm

150 Cel

130 ohm

-65 Cel

MATTE TIN

R-PDSO-G2

1

UNIDIRECTIONAL

Not Qualified

.37 W

HIGH RELIABILITY

e3

30

260

SILICON

BZT52C9V1-13-F

Diodes Incorporated

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

7 mV/Cel

9.1 V

ZENER

.5 uA

1

6 V

SMALL OUTLINE

6.08 %

100 ohm

150 Cel

15 ohm

-65 Cel

MATTE TIN

R-PDSO-G2

1

UNIDIRECTIONAL

Not Qualified

.37 W

HIGH RELIABILITY

e3

30

260

SILICON

1N5243B-TP

Micro Commercial Components

ZENER DIODE

AXIAL

WIRE

2

NO

ROUND

GLASS

9.5 mA

SINGLE

13 V

ZENER

.0005 uA

1

LONG FORM

5 %

600 ohm

13 ohm

MATTE TIN

O-LALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

.5 W

DO-35

e3

260

SILICON

1N5271B-TP

Micro Commercial Components

ZENER DIODE

AXIAL

WIRE

2

NO

ROUND

GLASS

1.3 mA

SINGLE

100 V

ZENER

.0001 uA

1

LONG FORM

5 %

2600 ohm

500 ohm

MATTE TIN

O-LALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

.5 W

DO-35

e3

260

SILICON

MMSZ4692-TP

Micro Commercial Components

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

.05 mA

SINGLE

6.8 V

ZENER

.01 uA

1

5.1 V

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

MATTE TIN

R-PDSO-G2

1

UNIDIRECTIONAL

Not Qualified

.5 W

HIGH RELIABILITY

e3

10

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.