Vishay Intertechnology Zener Diodes 1,147

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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

BZX84C2V7-E3-08

Vishay Intertechnology

ZENER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

-.4 mV/Cel

2.7 V

ZENER

20 uA

1

1 V

SMALL OUTLINE

Voltage Reference Diodes

5 %

600 ohm

150 Cel

100 ohm

-55 Cel

Matte Tin (Sn)

R-PDSO-G3

1

UNIDIRECTIONAL

.5 W

e3

10

260

SILICON

BZX84C9V1

Vishay Intertechnology

ZENER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

9.1 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

15 ohm

MATTE TIN

R-PDSO-G3

1

UNIDIRECTIONAL

Not Qualified

.3 W

e3

10

260

SILICON

MMSZ4689

Vishay Intertechnology

ZENER DIODE

YES

.05 mA

SINGLE

5.1 V

1

Voltage Reference Diodes

5 %

150 Cel

MATTE TIN

1

.5 W

e3

10

260

BZX84C6V2-E3-08

Vishay Intertechnology

ZENER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

.7 mV/Cel

6.2 V

ZENER

3 uA

1

4 V

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 ohm

150 Cel

10 ohm

-55 Cel

Matte Tin (Sn)

R-PDSO-G3

1

UNIDIRECTIONAL

.5 W

e3

10

260

SILICON

MMSZ4689-E3-18

Vishay Intertechnology

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 (Sn)

R-PDSO-G2

1

UNIDIRECTIONAL

.5 W

e3

10

260

SILICON

MMSZ5231B-E3-18

Vishay Intertechnology

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

20 mA

SINGLE

0 mV/Cel

5.1 V

ZENER

5 uA

1

2 V

SMALL OUTLINE

Voltage Reference Diodes

5 %

1600 ohm

150 Cel

17 ohm

-55 Cel

Matte Tin (Sn)

R-PDSO-G2

1

UNIDIRECTIONAL

.5 W

e3

10

260

SILICON

BZX84C8V2-E3-08

Vishay Intertechnology

ZENER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

.7 mV/Cel

8.2 V

ZENER

.7 uA

1

5 V

SMALL OUTLINE

Voltage Reference Diodes

5 %

80 ohm

150 Cel

15 ohm

-55 Cel

Matte Tin (Sn)

R-PDSO-G3

1

UNIDIRECTIONAL

.5 W

e3

10

260

SILICON

BZX84C6V8-E3-08

Vishay Intertechnology

ZENER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

.7 mV/Cel

6.8 V

ZENER

2 uA

1

4 V

SMALL OUTLINE

Voltage Reference Diodes

5 %

80 ohm

150 Cel

15 ohm

-55 Cel

Matte Tin (Sn)

R-PDSO-G3

1

UNIDIRECTIONAL

.5 W

e3

10

260

SILICON

BZX84C8V2

Vishay Intertechnology

ZENER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

8.2 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

15 ohm

Matte Tin (Sn)

R-PDSO-G3

1

UNIDIRECTIONAL

Not Qualified

.3 W

e3

10

260

SILICON

BZD27C15P-E3-08

Vishay Intertechnology

ZENER DIODE

DUAL

FLAT

2

YES

RECTANGULAR

PLASTIC/EPOXY

50 mA

SINGLE

15 V

ZENER

1

SMALL OUTLINE

6.12 %

150 Cel

-55 Cel

MATTE TIN

R-PDSO-F2

1

UNIDIRECTIONAL

.8 W

DO-219AB

e3

10

260

SILICON

AEC-Q101

TZMC3V3-GS08

Vishay Intertechnology

ZENER DIODE

END

WRAP AROUND

2

YES

ROUND

GLASS

5 mA

SINGLE

3.3 V

ZENER

1

LONG FORM

Voltage Reference Diodes

5 %

175 Cel

90 ohm

TIN SILVER

O-LELF-R2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

.5 W

LOW NOISE

DO-213AA

e2

10

260

SILICON

BZM55C6V2-TR3

Vishay Intertechnology

ZENER DIODE

END

WRAP AROUND

2

YES

ROUND

GLASS

5 mA

SINGLE

6.2 V

ZENER

1

LONG FORM

Voltage Reference Diodes

6.45 %

175 Cel

10 ohm

Tin/Silver (Sn/Ag)

O-LELF-R2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

.5 W

LOW NOISE

e2

40

260

SILICON

TZMC2V7-GS08

Vishay Intertechnology

ZENER DIODE

END

WRAP AROUND

2

YES

ROUND

GLASS

5 mA

SINGLE

2.7 V

ZENER

1

LONG FORM

Voltage Reference Diodes

5 %

175 Cel

85 ohm

TIN SILVER

O-LELF-R2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

.5 W

LOW NOISE

DO-213AA

e2

10

260

SILICON

TZMC36-GS08

Vishay Intertechnology

ZENER DIODE

END

WRAP AROUND

2

YES

ROUND

GLASS

5 mA

SINGLE

36 V

ZENER

1

LONG FORM

Voltage Reference Diodes

5 %

175 Cel

80 ohm

TIN SILVER

O-LELF-R2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

.5 W

LOW NOISE

DO-213AA

e2

10

260

SILICON

1N4740A-TR

Vishay Intertechnology

ZENER DIODE

AXIAL

WIRE

2

NO

ROUND

UNSPECIFIED

25 mA

SINGLE

10 V

ZENER

1

LONG FORM

Voltage Reference Diodes

5 %

175 Cel

Tin/Silver (Sn96.5Ag3.5)

O-XALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

1.3 W

DO-41

e2

30

260

SILICON

BZD27C5V6P-E3-08

Vishay Intertechnology

ZENER DIODE

DUAL

FLAT

2

YES

RECTANGULAR

PLASTIC/EPOXY

100 mA

SINGLE

5.6 V

ZENER

1

SMALL OUTLINE

7.14 %

150 Cel

-55 Cel

Matte Tin (Sn)

R-PDSO-F2

1

UNIDIRECTIONAL

.8 W

DO-219AB

e3

30

260

SILICON

AEC-Q101

BZM55C5V1-TR

Vishay Intertechnology

ZENER DIODE

END

WRAP AROUND

2

YES

ROUND

GLASS

5 mA

SINGLE

5.1 V

ZENER

1

LONG FORM

Voltage Reference Diodes

5.88 %

175 Cel

60 ohm

Tin/Silver (Sn/Ag)

O-LELF-R2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

.5 W

LOW NOISE

e2

40

260

SILICON

BZG05C3V6-M3-18

Vishay Intertechnology

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

60 mA

SINGLE

3.6 V

ZENER

1

SMALL OUTLINE

5.56 %

150 Cel

-65 Cel

Matte Tin (Sn)

R-PDSO-C2

1

UNIDIRECTIONAL

1.25 W

HIGH RELIABILITY

DO-214AC

e3

30

260

SILICON

MMSZ5248B-E3-08

Vishay Intertechnology

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

7 mA

SINGLE

14.76 mV/Cel

18 V

ZENER

.1 uA

1

14 V

SMALL OUTLINE

Voltage Reference Diodes

5 %

600 ohm

150 Cel

21 ohm

-55 Cel

Matte Tin (Sn)

R-PDSO-G2

1

UNIDIRECTIONAL

.5 W

e3

10

260

SILICON

TZMC6V8-GS08

Vishay Intertechnology

ZENER DIODE

END

WRAP AROUND

2

YES

ROUND

GLASS

5 mA

SINGLE

6.8 V

ZENER

1

LONG FORM

Voltage Reference Diodes

5 %

175 Cel

8 ohm

TIN SILVER

O-LELF-R2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

.5 W

LOW NOISE

DO-213AA

e2

10

260

SILICON

1N4733A-TAP

Vishay Intertechnology

ZENER DIODE

AXIAL

WIRE

2

NO

ROUND

UNSPECIFIED

49 mA

SINGLE

5.1 V

ZENER

1

LONG FORM

Voltage Reference Diodes

5 %

175 Cel

Tin/Silver (Sn96.5Ag3.5)

O-XALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

1.3 W

DO-41

e2

30

260

SILICON

BZX84C13-E3-08

Vishay Intertechnology

ZENER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

.9 mV/Cel

13 V

ZENER

.1 uA

1

8 V

SMALL OUTLINE

Voltage Reference Diodes

5 %

170 ohm

150 Cel

30 ohm

-55 Cel

Matte Tin (Sn)

R-PDSO-G3

1

UNIDIRECTIONAL

.5 W

e3

10

260

SILICON

MMSZ5231B

Vishay Intertechnology

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

MATTE TIN

R-PDSO-G2

1

UNIDIRECTIONAL

Not Qualified

.5 W

e3

10

260

SILICON

BZX84C6V2

Vishay Intertechnology

ZENER DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

6.2 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

10 ohm

MATTE TIN

R-PDSO-G3

1

UNIDIRECTIONAL

Not Qualified

.3 W

e3

10

260

SILICON

BZX55C5V6

Vishay Intertechnology

ZENER DIODE

AXIAL

WIRE

2

NO

ROUND

UNSPECIFIED

5 mA

SINGLE

5.6 V

ZENER

1

LONG FORM

Voltage Reference Diodes

7.14 %

175 Cel

25 ohm

Tin/Silver (Sn96.5Ag3.5)

O-XALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

.5 W

LOW NOISE

DO-35

e2

30

260

SILICON

BZT52C5V1-E3-08

Vishay Intertechnology

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

.4 mV/Cel

5.1 V

ZENER

.1 uA

1

.8 V

SMALL OUTLINE

Voltage Reference Diodes

5 %

480 ohm

150 Cel

60 ohm

-55 Cel

Matte Tin (Sn)

R-PDSO-G2

1

UNIDIRECTIONAL

.5 W

e3

10

260

SILICON

1N4742A-TAP

Vishay Intertechnology

ZENER DIODE

AXIAL

WIRE

2

NO

ROUND

UNSPECIFIED

21 mA

SINGLE

12 V

ZENER

1

LONG FORM

Voltage Reference Diodes

5 %

175 Cel

Tin/Silver (Sn96.5Ag3.5)

O-XALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

1.3 W

DO-41

e2

30

260

SILICON

BZT52C5V1

Vishay Intertechnology

ZENER DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

5.1 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5.88 %

150 Cel

60 ohm

MATTE TIN

R-PDSO-G2

1

UNIDIRECTIONAL

Not Qualified

.41 W

e3

SILICON

BZX55C5V1

Vishay Intertechnology

ZENER DIODE

AXIAL

WIRE

2

NO

ROUND

UNSPECIFIED

5 mA

SINGLE

5.1 V

ZENER

1

LONG FORM

Voltage Reference Diodes

5.88 %

175 Cel

35 ohm

Tin/Silver (Sn96.5Ag3.5)

O-XALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

.5 W

LOW NOISE

DO-35

e2

30

260

SILICON

MMSZ5232B

Vishay Intertechnology

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

MATTE TIN

R-PDSO-G2

1

UNIDIRECTIONAL

Not Qualified

.5 W

e3

10

260

SILICON

1N4744A-TAP

Vishay Intertechnology

ZENER DIODE

AXIAL

WIRE

2

NO

ROUND

UNSPECIFIED

17 mA

SINGLE

15 V

ZENER

1

LONG FORM

Voltage Reference Diodes

5 %

175 Cel

Tin/Silver (Sn96.5Ag3.5)

O-XALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

1.3 W

DO-41

e2

30

260

SILICON

BZT55C15-GS08

Vishay Intertechnology

ZENER DIODE

END

WRAP AROUND

2

YES

ROUND

GLASS

5 mA

SINGLE

15 V

ZENER

.1 uA

1

11 V

LONG FORM

Voltage Reference Diodes

5 %

110 ohm

175 Cel

30 ohm

TIN SILVER

O-LELF-R2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

.5 W

LOW NOISE

e2

10

260

SILICON

1N5234B-TR

Vishay Intertechnology

ZENER DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

20 mA

SINGLE

6.2 V

ZENER

1

LONG FORM

Voltage Reference Diodes

5 %

175 Cel

7 ohm

Tin/Silver (Sn96.5Ag3.5)

O-PALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

.5 W

DO-204AH

e2

30

260

SILICON

AEC-Q101

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

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

ZMM15

Vishay Intertechnology

ZENER DIODE

YES

5 mA

SINGLE

15 V

1

Voltage Reference Diodes

5 %

175 Cel

30 ohm

.5 W

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

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

BZT55C18

Vishay Intertechnology

ZENER DIODE

END

WRAP AROUND

2

YES

ROUND

GLASS

5 mA

SINGLE

18 V

ZENER

.1 uA

1

13 V

LONG FORM

Voltage Reference Diodes

5 %

170 ohm

175 Cel

50 ohm

TIN SILVER

O-LELF-R2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

.5 W

LOW NOISE

e2

10

260

SILICON

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

BZX79-C5V1

Vishay Intertechnology

ZENER DIODE

AXIAL

WIRE

2

NO

ROUND

GLASS

5 mA

SINGLE

5.1 V

ZENER

1

LONG FORM

Voltage Reference Diodes

5 %

200 Cel

60 ohm

UNIDIRECTIONAL

.5 W

DO-204AH

SILICON

BZG03C15-TR

Vishay Intertechnology

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

50 mA

SINGLE

15 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

6.12 %

150 Cel

10 ohm

MATTE TIN

R-PDSO-C2

1

UNIDIRECTIONAL

Not Qualified

1.25 W

HIGH RELIABILITY

DO-214AC

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

BZG03C24-M3-08

Vishay Intertechnology

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

25 mA

SINGLE

24 V

ZENER

1

SMALL OUTLINE

5.79 %

150 Cel

-65 Cel

Matte Tin (Sn)

R-PDSO-C2

1

UNIDIRECTIONAL

1.25 W

HIGH RELIABILITY

DO-214AC

e3

10

260

SILICON

BZM55B5V1-TR

Vishay Intertechnology

ZENER DIODE

END

WRAP AROUND

2

YES

ROUND

GLASS

5 mA

SINGLE

5.1 V

ZENER

1

LONG FORM

Voltage Reference Diodes

1.96 %

175 Cel

60 ohm

Tin/Silver (Sn/Ag)

O-LELF-R2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

.5 W

LOW NOISE

e2

40

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

BZM55C5V1-TR3

Vishay Intertechnology

ZENER DIODE

END

WRAP AROUND

2

YES

ROUND

GLASS

5 mA

SINGLE

5.1 V

ZENER

1

LONG FORM

Voltage Reference Diodes

5.88 %

175 Cel

60 ohm

Tin/Silver (Sn/Ag)

O-LELF-R2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

.5 W

LOW NOISE

e2

40

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.