YES 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

BZV55C5V6TR

Central Semiconductor

ZENER DIODE

END

WRAP AROUND

2

YES

ROUND

GLASS

5 mA

SINGLE

5.6 V

ZENER

1

LONG FORM

Voltage Reference Diodes

5 %

200 Cel

40 ohm

Tin/Lead (Sn/Pb)

O-LELF-R2

UNIDIRECTIONAL

ISOLATED

Not Qualified

.5 W

e0

NOT SPECIFIED

NOT SPECIFIED

SILICON

BZT52C12-E3-08

Vishay Intertechnology

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

.9 mV/Cel

12 V

ZENER

.1 uA

1

9 V

SMALL OUTLINE

Voltage Reference Diodes

5 %

90 ohm

150 Cel

20 ohm

-55 Cel

Matte Tin (Sn)

R-PDSO-G2

1

UNIDIRECTIONAL

.5 W

e3

10

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

BZT52C15-E3-08

Vishay Intertechnology

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

.9 mV/Cel

15 V

ZENER

.1 uA

1

11 V

SMALL OUTLINE

Voltage Reference Diodes

5 %

110 ohm

150 Cel

30 ohm

-55 Cel

Matte Tin (Sn)

R-PDSO-G2

1

UNIDIRECTIONAL

.5 W

e3

10

260

SILICON

BZX84C30-7-F

Diodes Incorporated

ZENER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

2 mA

SINGLE

30 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

6.67 %

150 Cel

80 ohm

-65 Cel

MATTE TIN

R-PDSO-G3

1

UNIDIRECTIONAL

Not Qualified

.35 W

HIGH RELIABILITY

e3

30

260

SILICON

BZX84C8V2-7-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 %

150 Cel

15 ohm

-65 Cel

MATTE TIN

R-PDSO-G3

1

UNIDIRECTIONAL

Not Qualified

.35 W

HIGH RELIABILITY

e3

30

260

SILICON

SZ1SMA5927BT3G

Onsemi

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

R-PDSO-C2

1

UNIDIRECTIONAL

.5 W

e3

30

260

SILICON

AEC-Q101

SZMM3Z12VST1G

Onsemi

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

12 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

2.09 %

150 Cel

25 ohm

-65 Cel

MATTE TIN

R-PDSO-G2

1

UNIDIRECTIONAL

.3 W

e3

30

260

SILICON

AEC-Q101

SZMMBZ5242BLT1G

Onsemi

ZENER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

20 mA

SINGLE

12 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

30 ohm

-65 Cel

MATTE TIN

R-PDSO-G3

1

UNIDIRECTIONAL

.225 W

TO-236AB

e3

30

260

SILICON

AEC-Q101

1SMB5928BT3G

Onsemi

ZENER DIODE

DUAL

L BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

28.8 mA

SINGLE

13 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

7 ohm

-65 Cel

MATTE TIN

R-PDSO-L2

1

UNIDIRECTIONAL

Not Qualified

.55 W

e3

30

260

SILICON

MMSZ5245B-TP

Micro Commercial Components

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

20 mA

SINGLE

12.3 mV/Cel

12 V

.9 V

ZENER

.0001 uA

1

11 V

SMALL OUTLINE

5 %

600 ohm

150 Cel

16 ohm

-55 Cel

Matte Tin (Sn)

R-PDSO-G2

1

UNIDIRECTIONAL

Not Qualified

.5 W

e3

10

260

SILICON

MMSZ5232BS-7-F

Diodes Incorporated

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

20 mA

SINGLE

5.6 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

11 ohm

-65 Cel

MATTE TIN

R-PDSO-G2

1

UNIDIRECTIONAL

Not Qualified

.2 W

e3

30

260

SILICON

BZM55-C2V4T/R

Panjit International

ZENER DIODE

END

WRAP AROUND

2

YES

ROUND

GLASS

SINGLE

2.4 V

ZENER

1

LONGFORM

Voltage Reference Diodes

5 %

175 Cel

85 ohm

UNIDIRECTIONAL

.5 W

NOT SPECIFIED

NOT SPECIFIED

SILICON

BZM55C2V4-TR

Vishay Intertechnology

ZENER DIODE

END

WRAP AROUND

2

YES

ROUND

GLASS

5 mA

SINGLE

2.4 V

ZENER

1

LONG FORM

Voltage Reference Diodes

5.79 %

175 Cel

85 ohm

TIN SILVER

O-LELF-R2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

.5 W

LOW NOISE

e2

30

260

SILICON

SZMMSZ5252BT1G

Onsemi

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

-55 Cel

MATTE TIN

R-PDSO-G2

1

UNIDIRECTIONAL

.5 W

e3

30

260

SILICON

AEC-Q101

BZT52C11-7-F

Diodes Incorporated

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

9 mV/Cel

11 V

ZENER

.1 uA

1

8 V

SMALL OUTLINE

5.45 %

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

BZX384-C10,115

NXP Semiconductors

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

10 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

150 ohm

-65 Cel

TIN

R-PDSO-G2

1

UNIDIRECTIONAL

Not Qualified

.3 W

e3

30

260

SILICON

SZMM3Z4V7T1G

Onsemi

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

4.7 V

.9 V

ZENER

3 uA

1

2 V

SMALL OUTLINE

Voltage Reference Diodes

6.38 %

800 ohm

150 Cel

80 ohm

-65 Cel

MATTE TIN

R-PDSO-G2

1

UNIDIRECTIONAL

.3 W

e3

30

260

SILICON

AEC-Q101

MMBZ5242BLT1G

Onsemi

ZENER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

20 mA

SINGLE

12 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

30 ohm

-65 Cel

MATTE TIN

R-PDSO-G3

1

UNIDIRECTIONAL

Not Qualified

.225 W

TO-236AB

e3

30

260

SILICON

BZX84C3V9LT1G

Onsemi

ZENER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

3.9 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5.13 %

150 Cel

90 ohm

-65 Cel

MATTE TIN

R-PDSO-G3

1

UNIDIRECTIONAL

Not Qualified

.25 W

TO-236AB

e3

30

260

SILICON

UL RECOGNIZED

SZMMSZ5257BT1G

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

.5 W

e3

30

260

SILICON

AEC-Q101

BZV55-C12,135

NXP Semiconductors

ZENER DIODE

END

WRAP AROUND

2

YES

ROUND

GLASS

5 mA

SINGLE

10 mV/Cel

12.05 V

ZENER

.1 uA

1

LONG FORM

Voltage Reference Diodes

5 %

200 Cel

25 ohm

-65 Cel

TIN

O-LELF-R2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

.4 W

e3

30

260

SILICON

MM3Z5V6ST1G

Onsemi

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

5.6 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

2.14 %

150 Cel

40 ohm

-65 Cel

MATTE TIN

R-PDSO-G2

1

UNIDIRECTIONAL

Not Qualified

.3 W

e3

30

260

SILICON

BZT52C3V3S-7-F

Diodes Incorporated

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

3.3 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

6.06 %

150 Cel

95 ohm

-65 Cel

MATTE TIN

R-PDSO-G2

1

UNIDIRECTIONAL

Not Qualified

.2 W

HIGH RELIABILITY

e3

30

260

SILICON

BZX384-B10,115

NXP Semiconductors

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

10 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

2 %

150 Cel

150 ohm

-65 Cel

TIN

R-PDSO-G2

1

UNIDIRECTIONAL

Not Qualified

.3 W

e3

30

260

SILICON

BZT52C15S-7

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

TIN LEAD

R-PDSO-G2

UNIDIRECTIONAL

Not Qualified

.2 W

e0

SILICON

BZT52C15SR9G

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

BZT52C15SRR

Taiwan Semiconductor

ZENER DIODE

DUAL

FLAT

2

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

15 V

ZENER

1

SMALL OUTLINE

5 %

150 Cel

-65 Cel

MATTE TIN OVER NICKEL

R-PDSO-F2

1

UNIDIRECTIONAL

Not Qualified

.2 W

e3

30

260

SILICON

BZX84-C3V9,215

NXP Semiconductors

ZENER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

0 mV/Cel

3.9 V

ZENER

3 uA

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

90 ohm

-65 Cel

TIN

R-PDSO-G3

1

UNIDIRECTIONAL

Not Qualified

.25 W

TO-236AB

e3

30

260

SILICON

BZX84C4V7W-7-F

Diodes Incorporated

ZENER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

4.7 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

6.38 %

125 Cel

80 ohm

-65 Cel

MATTE TIN

R-PDSO-G3

1

UNIDIRECTIONAL

Not Qualified

.2 W

e3

30

260

SILICON

SZBZX84C3V6LT1G

Onsemi

ZENER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

3.6 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5.56 %

150 Cel

90 ohm

-65 Cel

MATTE TIN

R-PDSO-G3

1

UNIDIRECTIONAL

.25 W

TO-236AB

e3

30

260

SILICON

AEC-Q101

3SMAJ5937BHE3-TP

Micro Commercial Components

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

11.4 mA

SINGLE

33 V

1.5 V

ZENER

.001 uA

1

25.1 V

SMALL OUTLINE

5 %

800 ohm

150 Cel

33 ohm

-55 Cel

MATTE TIN

R-PDSO-C2

1

UNIDIRECTIONAL

3 W

DO-214AC

e3

10

260

SILICON

AEC-Q101

BZX84C6V8-7-F

Diodes Incorporated

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

Not Qualified

.35 W

HIGH RELIABILITY

e3

30

260

SILICON

SMAJ5937BHE3-TP

Micro Commercial Components

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

11.4 mA

SINGLE

33 V

1.5 V

ZENER

.001 uA

1

25.1 V

SMALL OUTLINE

5 %

800 ohm

150 Cel

33 ohm

-65 Cel

MATTE TIN

R-PDSO-C2

1

UNIDIRECTIONAL

1.5 W

DO-214AC

e3

10

260

SILICON

AEC-Q101

SZ1SMA5934BT3G

Onsemi

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

15.6 mA

SINGLE

24 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

19 ohm

-65 Cel

MATTE TIN

R-PDSO-C2

1

UNIDIRECTIONAL

.5 W

e3

30

260

SILICON

AEC-Q101

BZX84C15VLT116

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

R-PDSO-G3

UNIDIRECTIONAL

.25 W

HIGH RELIABILITY

10

260

SILICON

BZX84C5V1S-7-F

Diodes Incorporated

ZENER DIODE

DUAL

GULL WING

6

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SEPARATE, 2 ELEMENTS

5.1 V

ZENER

2

SMALL OUTLINE

Voltage Reference Diodes

5.88 %

150 Cel

60 ohm

-65 Cel

MATTE TIN

R-PDSO-G6

1

UNIDIRECTIONAL

Not Qualified

.2 W

e3

30

260

SILICON

BZX84C12VLFHT116

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

R-PDSO-G3

UNIDIRECTIONAL

.25 W

HIGH RELIABILITY

10

260

SILICON

AEC-Q101

LBZX84C3V6LT1G

Leshan Radio

ZENER DIODE

YES

5 mA

SINGLE

3.6 V

1

Voltage Reference Diodes

5.6 %

150 Cel

90 ohm

.3 W

MMSZ5231B-TP

Micro Commercial Components

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

20 mA

SINGLE

1.53 mV/Cel

5.1 V

.9 V

ZENER

.005 uA

1

2 V

SMALL OUTLINE

5 %

1600 ohm

150 Cel

17 ohm

-55 Cel

Matte Tin (Sn)

R-PDSO-G2

1

UNIDIRECTIONAL

Not Qualified

.5 W

e3

10

260

SILICON

MM5Z4V7T1G

Onsemi

ZENER DIODE

DUAL

FLAT

2

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

4.7 V

.9 V

ZENER

3 uA

1

2 V

SMALL OUTLINE

Voltage Reference Diodes

6.38 %

800 ohm

150 Cel

80 ohm

-65 Cel

MATTE TIN

R-PDSO-F2

1

UNIDIRECTIONAL

Not Qualified

.5 W

e3

30

260

SILICON

SZ1SMA5925BT3G

Onsemi

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

37.5 mA

SINGLE

10 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

4.5 ohm

-65 Cel

MATTE TIN

R-PDSO-C2

1

UNIDIRECTIONAL

.5 W

e3

30

260

SILICON

AEC-Q101

BZT52C5V6S-7-F

Diodes Incorporated

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

5.6 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

7.14 %

150 Cel

40 ohm

-65 Cel

MATTE TIN

R-PDSO-G2

1

UNIDIRECTIONAL

Not Qualified

.2 W

HIGH RELIABILITY

e3

30

260

SILICON

BZX384-C5V6,115

NXP Semiconductors

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

5.6 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

400 ohm

-65 Cel

TIN

R-PDSO-G2

1

UNIDIRECTIONAL

Not Qualified

.3 W

e3

30

260

SILICON

BZG05C5V6-M3-08

Vishay Intertechnology

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

45 mA

SINGLE

5.6 V

ZENER

1

SMALL OUTLINE

7.14 %

150 Cel

-65 Cel

Matte Tin (Sn)

R-PDSO-C2

1

UNIDIRECTIONAL

1.25 W

HIGH RELIABILITY

DO-214AC

e3

30

260

SILICON

LBZX84C5V6LT1G

Leshan Radio

ZENER DIODE

YES

5 mA

SINGLE

5.6 V

1

Voltage Reference Diodes

7.1 %

150 Cel

40 ohm

.3 W

NOT SPECIFIED

NOT SPECIFIED

BZX84C15VLFHT116

ROHM

ZENER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

15 V

ZENER

1

SMALL OUTLINE

6.12 %

150 Cel

R-PDSO-G3

UNIDIRECTIONAL

.25 W

HIGH RELIABILITY

10

260

SILICON

AEC-Q101

SZ1SMB5916BT3G

Onsemi

ZENER DIODE

DUAL

L BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

87.2 mA

SINGLE

4.3 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

6 ohm

-65 Cel

Matte Tin (Sn) - annealed

R-PDSO-L2

1

UNIDIRECTIONAL

.55 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.