C BEND Zener Diodes 1,651

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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

1SMB5950BT3

Onsemi

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

3.4 mA

SINGLE

110 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

175 Cel

300 ohm

TIN LEAD

R-PDSO-C2

1

UNIDIRECTIONAL

Not Qualified

.55 W

DO-214AA

e0

235

SILICON

1SMA5935BT3

Onsemi

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

13.9 mA

SINGLE

27 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

700 ohm

TIN LEAD

R-PDSO-C2

1

UNIDIRECTIONAL

Not Qualified

.5 W

e0

235

SILICON

1SMB5941BT3

Onsemi

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

8 mA

SINGLE

47 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

175 Cel

67 ohm

Tin/Lead (Sn/Pb)

R-PDSO-C2

1

UNIDIRECTIONAL

Not Qualified

.55 W

DO-214AA

e0

30

235

SILICON

1SMB5946BT3

Onsemi

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

5 mA

SINGLE

75 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

175 Cel

140 ohm

TIN LEAD

R-PDSO-C2

1

UNIDIRECTIONAL

Not Qualified

.55 W

e0

235

SILICON

1SMB5944BT3

Onsemi

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

6 mA

SINGLE

62 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

175 Cel

100 ohm

Tin/Lead (Sn/Pb)

R-PDSO-C2

1

UNIDIRECTIONAL

Not Qualified

.55 W

DO-214AA

e0

30

235

SILICON

1SMB5926BT3

Onsemi

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

34.1 mA

SINGLE

11 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

175 Cel

5.5 ohm

Tin/Lead (Sn/Pb)

R-PDSO-C2

1

UNIDIRECTIONAL

Not Qualified

.55 W

DO-214AA

e0

30

235

SILICON

1SMB5937BT3

Onsemi

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

11.4 mA

SINGLE

33 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

175 Cel

33 ohm

TIN LEAD

R-PDSO-C2

1

UNIDIRECTIONAL

Not Qualified

.55 W

DO-214AA

e0

235

SILICON

1SMB5922BT3

Onsemi

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

50 mA

SINGLE

7.5 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

175 Cel

3 ohm

TIN LEAD

R-PDSO-C2

1

UNIDIRECTIONAL

Not Qualified

.55 W

DO-214AA

e0

235

SILICON

1SMA5930BT3

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

600 ohm

TIN LEAD

R-PDSO-C2

1

UNIDIRECTIONAL

Not Qualified

.5 W

e0

235

SILICON

1SMB5933BT3

Onsemi

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

17 mA

SINGLE

22 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

175 Cel

18 ohm

TIN LEAD

R-PDSO-C2

1

UNIDIRECTIONAL

Not Qualified

.55 W

DO-214AA

e0

235

SILICON

BZG03C15

Onsemi

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

50 mA

SINGLE

15 V

600 W

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

8 %

11 V

150 Cel

10 ohm

-65 Cel

TIN LEAD

R-PDSO-C2

1

UNIDIRECTIONAL

Not Qualified

1.5 W

13.8 V

e0

235

SILICON

15.6 V

1SMA5918BT3

Onsemi

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

73.5 mA

SINGLE

5.1 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

350 ohm

Tin/Lead (Sn/Pb)

R-PDSO-C2

1

UNIDIRECTIONAL

Not Qualified

.5 W

e0

30

235

SILICON

SZ1SMB5925BT3G-VF01

Onsemi

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

37.5 mA

SINGLE

10 V

1.5 V

ZENER

5 uA

1

8 V

SMALL OUTLINE

5 %

500 ohm

150 Cel

4.5 ohm

-65 Cel

Matte Tin (Sn)

R-PDSO-C2

UNIDIRECTIONAL

.55 W

e3

NOT SPECIFIED

NOT SPECIFIED

SILICON

AEC-Q101

1SMA5915BT3

Onsemi

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

96.1 mA

SINGLE

3.9 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

500 ohm

TIN LEAD

R-PDSO-C2

1

UNIDIRECTIONAL

Not Qualified

.5 W

e0

235

SILICON

1SMB5954BT3

Onsemi

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

2.3 mA

SINGLE

160 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

175 Cel

700 ohm

TIN LEAD

R-PDSO-C2

1

UNIDIRECTIONAL

Not Qualified

.55 W

DO-214AA

e0

235

SILICON

1SMA5917BT3

Onsemi

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

79.8 mA

SINGLE

4.7 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

500 ohm

TIN LEAD

R-PDSO-C2

1

UNIDIRECTIONAL

Not Qualified

.5 W

e0

235

SILICON

SZ1SMB5940BT3G-VF01

Onsemi

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

8.7 mA

SINGLE

43 V

1.5 V

ZENER

1 uA

1

32.7 V

SMALL OUTLINE

5 %

950 ohm

150 Cel

53 ohm

-65 Cel

Matte Tin (Sn)

R-PDSO-C2

UNIDIRECTIONAL

.55 W

e3

NOT SPECIFIED

NOT SPECIFIED

SILICON

AEC-Q101

1SMA5937BT3

Onsemi

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

11.4 mA

SINGLE

33 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

800 ohm

Tin/Lead (Sn/Pb)

R-PDSO-C2

1

UNIDIRECTIONAL

Not Qualified

.5 W

e0

30

235

SILICON

1SMA5934BT3

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

700 ohm

Tin/Lead (Sn/Pb)

R-PDSO-C2

1

UNIDIRECTIONAL

Not Qualified

.5 W

e0

30

235

SILICON

SZ1SMB5919BT3G-VF01

Onsemi

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

66.9 mA

SINGLE

5.6 V

1.5 V

ZENER

5 uA

1

3 V

SMALL OUTLINE

5 %

250 ohm

150 Cel

2 ohm

-65 Cel

Matte Tin (Sn) - annealed

R-PDSO-C2

1

UNIDIRECTIONAL

.55 W

e3

30

260

SILICON

AEC-Q101

1SMB5930BT3

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 %

175 Cel

10 ohm

TIN LEAD

R-PDSO-C2

1

UNIDIRECTIONAL

Not Qualified

.55 W

DO-214AA

e0

235

SILICON

SZ1SMB5944BT3G-VF01

Onsemi

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

6 mA

SINGLE

62 V

1.5 V

ZENER

1 uA

1

47.1 V

SMALL OUTLINE

5 %

1500 ohm

150 Cel

100 ohm

-65 Cel

MATTE TIN

R-PDSO-C2

UNIDIRECTIONAL

.55 W

e3

SILICON

AEC-Q101

SZ1SMB5945BT3G-VF01

Onsemi

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

5.5 mA

SINGLE

68 V

1.5 V

ZENER

1 uA

1

51.7 V

SMALL OUTLINE

5 %

1700 ohm

150 Cel

120 ohm

-65 Cel

Matte Tin (Sn)

R-PDSO-C2

UNIDIRECTIONAL

.55 W

e3

NOT SPECIFIED

NOT SPECIFIED

SILICON

AEC-Q101

SZ1SMB5918BT3G-VF01

Onsemi

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

73.5 mA

SINGLE

5.1 V

1.5 V

ZENER

5 uA

1

2 V

SMALL OUTLINE

5 %

350 ohm

150 Cel

4 ohm

-65 Cel

Matte Tin (Sn)

R-PDSO-C2

UNIDIRECTIONAL

.55 W

e3

NOT SPECIFIED

NOT SPECIFIED

SILICON

AEC-Q101

1SMA5944BT3

Onsemi

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

6 mA

SINGLE

62 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

1500 ohm

TIN LEAD

R-PDSO-C2

1

UNIDIRECTIONAL

Not Qualified

.5 W

e0

235

SILICON

SZ1SMB5932BT3G-VF01

Onsemi

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

18.7 mA

SINGLE

20 V

1.5 V

ZENER

1 uA

1

15.2 V

SMALL OUTLINE

5 %

650 ohm

150 Cel

14 ohm

-65 Cel

Matte Tin (Sn)

R-PDSO-C2

UNIDIRECTIONAL

.55 W

e3

NOT SPECIFIED

NOT SPECIFIED

SILICON

AEC-Q101

1SMA5939BT3

Onsemi

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

9.6 mA

SINGLE

39 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

900 ohm

TIN LEAD

R-PDSO-C2

1

UNIDIRECTIONAL

Not Qualified

.5 W

e0

235

SILICON

SZ1SMB5941BT3G-VF01

Onsemi

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

8 mA

SINGLE

47 V

1.5 V

ZENER

1 uA

1

35.8 V

SMALL OUTLINE

5 %

1000 ohm

150 Cel

67 ohm

-65 Cel

Matte Tin (Sn)

R-PDSO-C2

UNIDIRECTIONAL

.55 W

e3

NOT SPECIFIED

NOT SPECIFIED

SILICON

AEC-Q101

SZ1SMB5949BT3G-VF01

Onsemi

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

3.7 mA

SINGLE

100 V

1.5 V

ZENER

1 uA

1

76 V

SMALL OUTLINE

5 %

3100 ohm

150 Cel

250 ohm

-65 Cel

R-PDSO-C2

UNIDIRECTIONAL

.55 W

NOT SPECIFIED

NOT SPECIFIED

SILICON

AEC-Q101

1SMA5942BT3

Onsemi

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

7.3 mA

SINGLE

51 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

1100 ohm

TIN LEAD

R-PDSO-C2

1

UNIDIRECTIONAL

Not Qualified

.5 W

e0

235

SILICON

1SMB5942BT3

Onsemi

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

7.3 mA

SINGLE

51 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

175 Cel

70 ohm

TIN LEAD

R-PDSO-C2

1

UNIDIRECTIONAL

Not Qualified

.55 W

DO-214AA

e0

30

235

SILICON

1SMA5941BT3

Onsemi

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

8 mA

SINGLE

47 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

1000 ohm

TIN LEAD

R-PDSO-C2

1

UNIDIRECTIONAL

Not Qualified

.5 W

e0

235

SILICON

1SMB5943BT3

Onsemi

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

6.7 mA

SINGLE

56 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

175 Cel

86 ohm

TIN LEAD

R-PDSO-C2

1

UNIDIRECTIONAL

Not Qualified

.55 W

DO-214AA

e0

235

SILICON

SZ1SMA5938BT3G

Onsemi

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

10.4 mA

SINGLE

36 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

38 ohm

-65 Cel

MATTE TIN

R-PDSO-C2

1

UNIDIRECTIONAL

.5 W

e3

30

260

SILICON

AEC-Q101

SZ1SMB5929BT3G-VF01

Onsemi

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

25 mA

SINGLE

15 V

1.5 V

ZENER

1 uA

1

11.4 V

SMALL OUTLINE

5 %

600 ohm

150 Cel

9 ohm

-65 Cel

Matte Tin (Sn)

R-PDSO-C2

UNIDIRECTIONAL

.55 W

e3

NOT SPECIFIED

NOT SPECIFIED

SILICON

AEC-Q101

1SMA5938BT3

Onsemi

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

10.4 mA

SINGLE

36 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

850 ohm

TIN LEAD

R-PDSO-C2

1

UNIDIRECTIONAL

Not Qualified

.5 W

e0

235

SILICON

1SMA5940BT3

Onsemi

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

8.7 mA

SINGLE

43 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

950 ohm

TIN LEAD

R-PDSO-C2

1

UNIDIRECTIONAL

Not Qualified

.5 W

e0

235

SILICON

1SMA5914BT3

Onsemi

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

104.2 mA

SINGLE

3.6 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

500 ohm

TIN LEAD

R-PDSO-C2

1

UNIDIRECTIONAL

Not Qualified

.5 W

e0

235

SILICON

SZ1SMA5941BT3G

Onsemi

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

8 mA

SINGLE

47 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

67 ohm

-65 Cel

MATTE TIN

R-PDSO-C2

1

UNIDIRECTIONAL

.5 W

e3

30

260

SILICON

AEC-Q101

1SMB5916BT3

Onsemi

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

87.2 mA

SINGLE

4.3 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

175 Cel

6 ohm

Tin/Lead (Sn/Pb)

R-PDSO-C2

1

UNIDIRECTIONAL

Not Qualified

.55 W

DO-214AA

e0

30

235

SILICON

SZ1SMB5923BT3G-VF01

Onsemi

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

45.7 mA

SINGLE

8.2 V

1.5 V

ZENER

5 uA

1

6.5 V

SMALL OUTLINE

5 %

400 ohm

150 Cel

3.5 ohm

-65 Cel

Matte Tin (Sn)

R-PDSO-C2

UNIDIRECTIONAL

.55 W

e3

NOT SPECIFIED

NOT SPECIFIED

SILICON

AEC-Q101

1SMB5953BT3

Onsemi

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

2.5 mA

SINGLE

150 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

175 Cel

600 ohm

TIN LEAD

R-PDSO-C2

1

UNIDIRECTIONAL

Not Qualified

.55 W

DO-214AA

e0

235

SILICON

1SMA5936BT3

Onsemi

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

12.5 mA

SINGLE

30 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

750 ohm

TIN LEAD

R-PDSO-C2

1

UNIDIRECTIONAL

Not Qualified

.5 W

e0

235

SILICON

SZ1SMB5950BT3G

Onsemi

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

3.4 mA

SINGLE

110 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

150 Cel

300 ohm

-65 Cel

R-PDSO-C2

UNIDIRECTIONAL

.55 W

SILICON

AEC-Q101

1SMB5936BT3

Onsemi

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

12.5 mA

SINGLE

30 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

175 Cel

26 ohm

Tin/Lead (Sn/Pb)

R-PDSO-C2

1

UNIDIRECTIONAL

Not Qualified

.55 W

DO-214AA

e0

30

235

SILICON

1SMB5939BT3

Onsemi

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

9.6 mA

SINGLE

39 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

175 Cel

45 ohm

Tin/Lead (Sn/Pb)

R-PDSO-C2

1

UNIDIRECTIONAL

Not Qualified

.55 W

DO-214AA

e0

30

235

SILICON

SM5Z15A

STMicroelectronics

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

75 mA

SINGLE

10.5 mV/Cel

15 V

ZENER

1 uA

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

75 ohm

175 Cel

2.5 ohm

-65 Cel

TIN LEAD

R-PDSO-C2

UNIDIRECTIONAL

Not Qualified

5 W

e0

SILICON

SM2Z15

STMicroelectronics

ZENER DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

50 mA

SINGLE

15 V

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

6.12 %

175 Cel

10 ohm

Matte Tin (Sn)

R-PDSO-C2

UNIDIRECTIONAL

Not Qualified

2 W

HIGH SURGE CAPABILITY

DO-214AC

e3

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.