Zener Diodes

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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

SZMMSZ5232BT1G

Onsemi

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

-55 Cel

MATTE TIN

R-PDSO-G2

1

UNIDIRECTIONAL

.5 W

e3

30

260

SILICON

AEC-Q101

1N4741P/TR12

Microchip Technology

ZENER DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

25 mA

SINGLE

11 V

ZENER

5 uA

1

7.6 V

LONG FORM

700 ohm

150 Cel

8 ohm

-65 Cel

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

1 W

DO-204AL

SILICON

MIL-STD-750

BZV55C5V1

Microchip Technology

ZENER DIODE

END

WRAP AROUND

2

YES

ROUND

GLASS

5 mA

SINGLE

5.1 V

ZENER

1

LONG FORM

5.88 %

TIN LEAD

O-LELF-R2

UNIDIRECTIONAL

ISOLATED

Not Qualified

.5 W

METALLURGICALLY BONDED

DO-213AA

e0

SILICON

BZV55-C5V1

Vishay Intertechnology

ZENER DIODE

YES

5 mA

SINGLE

5.1 V

1

Voltage Reference Diodes

5 %

200 Cel

60 ohm

.5 W

BZX84-C5V1

NXP Semiconductors

ZENER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

5.1 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

60 ohm

-65 Cel

TIN

R-PDSO-G3

1

UNIDIRECTIONAL

Not Qualified

.25 W

TO-236AB

e3

30

260

SILICON

BZX84C5V1

Vishay Intertechnology

ZENER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

5.1 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

60 ohm

MATTE TIN

R-PDSO-G3

1

UNIDIRECTIONAL

Not Qualified

.3 W

e3

10

260

SILICON

SZBZX84C18ET1G

Onsemi

ZENER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

18 V

ZENER

1

SMALL OUTLINE

6.41 %

225 ohm

150 Cel

45 ohm

-65 Cel

MATTE TIN

R-PDSO-G3

1

UNIDIRECTIONAL

.25 W

TO-236AB

e3

30

260

SILICON

AEC-Q101; UL RECOGNIZED

MMSZ5267BT1G

Onsemi

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

1.7 mA

SINGLE

75 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

270 ohm

-55 Cel

MATTE TIN

R-PDSO-G2

1

UNIDIRECTIONAL

Not Qualified

.5 W

e3

30

260

SILICON

DDZ6V2B-7

Diodes Incorporated

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

20 mA

SINGLE

6.2 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

2.53 %

150 Cel

7 ohm

-65 Cel

MATTE TIN

R-PDSO-G2

1

UNIDIRECTIONAL

Not Qualified

.5 W

HIGH RELIABILITY

e3

30

260

SILICON

SZMM5Z12VT1G

Onsemi

ZENER DIODE

DUAL

FLAT

2

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

12 V

.9 V

ZENER

.1 uA

1

8 V

SMALL OUTLINE

Voltage Reference Diodes

2 %

80 ohm

150 Cel

25 ohm

-65 Cel

MATTE TIN

R-PDSO-F2

1

UNIDIRECTIONAL

.5 W

e3

30

260

SILICON

AEC-Q101

SZ1SMA5931BT3G

Onsemi

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

20.8 mA

SINGLE

18 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

12 ohm

-65 Cel

MATTE TIN

R-PDSO-C2

1

UNIDIRECTIONAL

.5 W

e3

30

260

SILICON

AEC-Q101

SZ1SMB5931BT3G

Onsemi

ZENER DIODE

DUAL

L BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

20.8 mA

SINGLE

18 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

12 ohm

-65 Cel

MATTE TIN

R-PDSO-L2

1

UNIDIRECTIONAL

.55 W

e3

30

260

SILICON

AEC-Q101

MMSZ5230BT1G

Onsemi

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

20 mA

SINGLE

4.7 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

19 ohm

-55 Cel

MATTE TIN

R-PDSO-G2

1

UNIDIRECTIONAL

Not Qualified

.5 W

e3

30

260

SILICON

SZMMSZ5226BT1G

Onsemi

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

20 mA

SINGLE

3.3 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

28 ohm

-55 Cel

MATTE TIN

R-PDSO-G2

1

UNIDIRECTIONAL

.5 W

e3

30

260

SILICON

AEC-Q101

1N5338BG

Onsemi

ZENER DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

240 mA

SINGLE

5.1 V

ZENER

1

LONG FORM

Voltage Reference Diodes

5 %

200 Cel

1.5 ohm

-65 Cel

MATTE TIN

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

5 W

e3

SILICON

BZX84C15S-7-F

Diodes Incorporated

ZENER DIODE

DUAL

GULL WING

6

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SEPARATE, 2 ELEMENTS

15 V

ZENER

2

SMALL OUTLINE

Voltage Reference Diodes

6.12 %

150 Cel

30 ohm

-65 Cel

MATTE TIN

R-PDSO-G6

1

UNIDIRECTIONAL

Not Qualified

.2 W

e3

30

260

SILICON

NZH11C,115

NXP Semiconductors

ZENER DIODE

DUAL

FLAT

2

YES

RECTANGULAR

PLASTIC/EPOXY

10 mA

SINGLE

11 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

2.52 %

150 Cel

120 ohm

-55 Cel

TIN

R-PDSO-F2

1

UNIDIRECTIONAL

.5 W

e3

30

260

SILICON

IEC-60134

1SMB5923BT3G

Onsemi

ZENER DIODE

DUAL

L BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

45.7 mA

SINGLE

8.2 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

3.5 ohm

-65 Cel

MATTE TIN

R-PDSO-L2

1

UNIDIRECTIONAL

Not Qualified

.55 W

DO-214AA

e3

30

260

SILICON

BZX84C6V2LT1G

Onsemi

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

.25 W

TO-236AB

e3

30

260

SILICON

UL RECOGNIZED

SZ1SMB5917BT3G

Onsemi

ZENER DIODE

DUAL

L BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

79.8 mA

SINGLE

4.7 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

5 ohm

-65 Cel

MATTE TIN

R-PDSO-L2

1

UNIDIRECTIONAL

.55 W

e3

30

260

SILICON

AEC-Q101

BZX585-C9V1,135

NXP Semiconductors

ZENER DIODE

DUAL

FLAT

2

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

9.1 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

100 ohm

-65 Cel

TIN

R-PDSO-F2

1

UNIDIRECTIONAL

Not Qualified

.3 W

e3

30

260

SILICON

BZT52C3V3-7-F

Diodes Incorporated

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

0 mV/Cel

3.3 V

ZENER

5 uA

1

1 V

SMALL OUTLINE

6.06 %

600 ohm

150 Cel

95 ohm

-65 Cel

MATTE TIN

R-PDSO-G2

1

UNIDIRECTIONAL

Not Qualified

.37 W

HIGH RELIABILITY

e3

30

260

SILICON

1SMB5921BT3G

Onsemi

ZENER DIODE

DUAL

L BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

55.1 mA

SINGLE

6.8 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

2.5 ohm

-65 Cel

MATTE TIN

R-PDSO-L2

1

UNIDIRECTIONAL

Not Qualified

.55 W

DO-214AA

e3

30

260

SILICON

MMSZ4683T1G

Onsemi

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

.05 mA

SINGLE

3 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

BZX84C3V6LT1G

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

Not Qualified

.25 W

TO-236AB

e3

30

260

SILICON

UL RECOGNIZED

BZV55-C5V1,115

NXP Semiconductors

ZENER DIODE

END

WRAP AROUND

2

YES

ROUND

GLASS

5 mA

SINGLE

1.2 mV/Cel

5.1 V

ZENER

2 uA

1

LONG FORM

Voltage Reference Diodes

5 %

200 Cel

60 ohm

-65 Cel

Tin (Sn)

O-LELF-R2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

.4 W

e3

30

260

SILICON

SZMM3Z5V1T1G

Onsemi

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

5.1 V

.9 V

ZENER

2 uA

1

2 V

SMALL OUTLINE

Voltage Reference Diodes

5.88 %

500 ohm

150 Cel

60 ohm

-65 Cel

MATTE TIN

R-PDSO-G2

1

UNIDIRECTIONAL

.3 W

e3

30

260

SILICON

AEC-Q101

MMSZ10T1G

Onsemi

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

20 ohm

-55 Cel

MATTE TIN

R-PDSO-G2

1

UNIDIRECTIONAL

Not Qualified

.5 W

e3

30

260

SILICON

UL RECOGNIZED

BZX84C15W-7-F

Diodes Incorporated

ZENER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

15 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

6.12 %

125 Cel

30 ohm

-65 Cel

MATTE TIN

R-PDSO-G3

1

UNIDIRECTIONAL

Not Qualified

.2 W

e3

30

260

SILICON

1SMA5930BT3G

Onsemi

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

23.4 mA

SINGLE

16 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

10 ohm

-65 Cel

MATTE TIN

R-PDSO-C2

1

UNIDIRECTIONAL

Not Qualified

.5 W

e3

30

260

SILICON

SZMMSZ4697T1G

Onsemi

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

.05 mA

SINGLE

10 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

BZX84-C15,235

NXP Semiconductors

ZENER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

13 mV/Cel

15 V

ZENER

.05 uA

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

BZX84C13LT1G

Onsemi

ZENER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

13 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

6.42 %

150 Cel

170 ohm

-65 Cel

MATTE TIN

R-PDSO-G3

1

UNIDIRECTIONAL

Not Qualified

.25 W

TO-236AB

e3

30

260

SILICON

UL RECOGNIZED

SZMMSZ3V3T1G

Onsemi

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

3.3 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

95 ohm

-55 Cel

MATTE TIN

R-PDSO-G2

1

UNIDIRECTIONAL

.5 W

e3

30

260

SILICON

AEC-Q101

1SMB5931B-13

Diodes Incorporated

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

20.8 mA

SINGLE

18 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

12 ohm

-65 Cel

MATTE TIN

R-PDSO-C2

1

UNIDIRECTIONAL

.55 W

e3

30

260

SILICON

SZMMSZ4679T1G

Onsemi

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

.05 mA

SINGLE

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

MMSZ4689ET1G

Onsemi

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

.05 mA

SINGLE

5.1 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

BZX84C4V7-7-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 %

150 Cel

80 ohm

-65 Cel

MATTE TIN

R-PDSO-G3

1

UNIDIRECTIONAL

Not Qualified

.35 W

HIGH RELIABILITY

e3

30

260

SILICON

BZX84C4V7-E3-08

Vishay Intertechnology

ZENER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

.2 mV/Cel

4.7 V

ZENER

3 uA

1

2 V

SMALL OUTLINE

Voltage Reference Diodes

5 %

500 ohm

150 Cel

80 ohm

-55 Cel

MATTE TIN

R-PDSO-G3

1

UNIDIRECTIONAL

.5 W

e3

30

260

SILICON

MMSZ5232B-7-F

Diodes Incorporated

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

20 mA

SINGLE

5.6 V

.9 V

ZENER

5 uA

1

3 V

SMALL OUTLINE

5 %

1600 ohm

150 Cel

11 ohm

-65 Cel

MATTE TIN

R-PDSO-G2

1

UNIDIRECTIONAL

Not Qualified

.37 W

e3

10

260

SILICON

BZT52C6V2-7-F

Diodes Incorporated

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

3.7 mV/Cel

6.2 V

ZENER

3 uA

1

4 V

SMALL OUTLINE

6.45 %

150 ohm

150 Cel

10 ohm

-65 Cel

MATTE TIN

R-PDSO-G2

1

UNIDIRECTIONAL

Not Qualified

.37 W

HIGH RELIABILITY

e3

30

260

SILICON

BZX84C5V6-7-F

Diodes Incorporated

ZENER DIODE

DUAL

GULL WING

3

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-G3

1

UNIDIRECTIONAL

Not Qualified

.35 W

HIGH RELIABILITY

e3

30

260

SILICON

MM3Z12VT1GX

Nexperia

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

10 mV/Cel

12 V

ZENER

.1 uA

1

9 V

SMALL OUTLINE

5 %

80 ohm

150 Cel

10 ohm

-55 Cel

R-PDSO-G2

UNIDIRECTIONAL

.3 W

SILICON

IEC-60134

BZT52C12S-7-F

Diodes Incorporated

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

12 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5.39 %

150 Cel

25 ohm

-65 Cel

MATTE TIN

R-PDSO-G2

1

UNIDIRECTIONAL

Not Qualified

.2 W

HIGH RELIABILITY

e3

30

260

SILICON

BZV55-C15,115

NXP Semiconductors

ZENER DIODE

END

WRAP AROUND

2

YES

ROUND

GLASS

5 mA

SINGLE

13 mV/Cel

14.7 V

ZENER

.05 uA

1

LONG FORM

Voltage Reference Diodes

5 %

200 Cel

30 ohm

-65 Cel

TIN

O-LELF-R2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

.4 W

e3

30

260

SILICON

1SMB5927BT3G

Onsemi

ZENER DIODE

DUAL

L 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-L2

1

UNIDIRECTIONAL

Not Qualified

.55 W

DO-214AA

e3

30

260

SILICON

MMSZ4697T1G

Onsemi

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

.05 mA

SINGLE

10 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

MMSZ5V6T1G

Onsemi

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

40 ohm

-55 Cel

MATTE TIN

R-PDSO-G2

1

UNIDIRECTIONAL

Not Qualified

.5 W

e3

30

260

SILICON

UL RECOGNIZED

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.