Littelfuse Transient Suppression Devices 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 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 Operating Temperature Maximum Dynamic Impedance Minimum Operating Temperature Terminal Finish JESD-30 Code Moisture Sensitivity Level (MSL) Polarity Case Connection Qualification Maximum Power Dissipation Minimum Diode Capacitance 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

3KP70CB

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

3000 W

81.9 V

AVALANCHE

1

LONG FORM

Transient Suppressors

70 V

Matte Tin (Sn)

O-PALF-W2

BIDIRECTIONAL

ISOLATED

Not Qualified

7 W

113 V

77.8 V

e3

40

260

SILICON

86 V

UL RECOGNIZED

SMBJ75AT1

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

600 W

AVALANCHE

1

SMALL OUTLINE

MATTE TIN

R-PDSO-C2

1

UNIDIRECTIONAL

Not Qualified

1.5 W

DO-214AA

83.3 V

e3

40

260

SILICON

95.8 V

UL RECOGNIZED

SLT1402AA

Littelfuse

15KPA85A-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

15000 W

AVALANCHE

1

LONG FORM

Transient Suppressors

85 V

175 Cel

-55 Cel

Matte Tin (Sn)

O-PALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

8 W

EXCELLENT CLAMPING CAPABILITY

137.6 V

94.9 V

e3

40

260

SILICON

104 V

UL RECOGNIZED

LCE17AT

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

1500 W

AVALANCHE

1

LONG FORM

17 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

5 W

LOW CAPACITANCE

DO-201AD

18.6 V

e3

40

260

SILICON

20.9 V

15KP100CA

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

15000 W

117 V

AVALANCHE

1

LONG FORM

Transient Suppressors

100 V

O-PALF-W2

BIDIRECTIONAL

ISOLATED

5 W

EXCELLENT CLAMPING CAPABILITY, LOW ZENER IMPEDANCE

162 V

111 V

SILICON

SMCJ70A-001

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

SA40AT

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

500 W

46.75 V

AVALANCHE

1

LONG FORM

Transient Suppressors

40 V

175 Cel

-55 Cel

Matte Tin (Sn)

O-PALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

3 W

EXCELLENT CLAMPING CAPABILITY

DO-204AC

64.5 V

44.4 V

e3

30

260

SILICON

49.1 V

UL RECOGNIZED

LCE36AT

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

1500 W

AVALANCHE

1

LONG FORM

36 V

Matte Tin (Sn)

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

5 W

LOW CAPACITANCE

DO-201AD

40 V

e3

40

260

SILICON

44.2 V

SMBJ17CA-HRA

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

J BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

600 W

AVALANCHE

1

SMALL OUTLINE

17 V

150 Cel

-65 Cel

MATTE TIN

R-PDSO-J2

BIDIRECTIONAL

5 W

EXCELLENT CLAMPING CAPABILITY, HIGH RELIABILITY

DO-214AA

18.9 V

e3

40

260

SILICON

20.9 V

IEC-61000-4-2, 4-4; UL RECOGNIZED

SMCJ60-001

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

1.5SMC440CAT

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

1500 W

440 V

AVALANCHE

1

SMALL OUTLINE

Transient Suppressors

376 V

150 Cel

-55 Cel

Matte Tin (Sn)

R-PDSO-C2

1

BIDIRECTIONAL

EXCELLENT CLAMPING CAPABILITY, PRSM-MIN

DO-214AB

602 V

418 V

e3

40

260

SILICON

462 V

UL RECOGNIZED

SMCJ85A-HRA

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

1500 W

3.5 V

99.2 V

AVALANCHE

1 uA

1

85 V

SMALL OUTLINE

85 V

150 Cel

-65 Cel

MATTE TIN

R-PDSO-C2

1

UNIDIRECTIONAL

6.5 W

EXCELLENT CLAMPING CAPABILITY; HIGH RELIABILITY

DO-214AB

137 V

94.4 V

e3

40

260

SILICON

104 V

MIL-PRF-19500; MIL-STD-750; UL RECOGNIZED

SMBJ7.5CA-HR

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

J BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

600 W

AVALANCHE

1

SMALL OUTLINE

7.5 V

150 Cel

-65 Cel

MATTE TIN

R-PDSO-J2

1

BIDIRECTIONAL

5 W

EXCELLENT CLAMPING CAPABILITY, HIGH RELIABILITY

DO-214AA

8.33 V

e3

40

260

SILICON

9.21 V

IEC-61000-4-2, 4-4; UL RECOGNIZED

15KP240CAT

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

15000 W

267 V

AVALANCHE

1

LONG FORM

Transient Suppressors

240 V

Matte Tin (Sn)

O-PALF-W2

2

BIDIRECTIONAL

ISOLATED

Not Qualified

8 W

EXCELLENT CLAMPING CAPABILITY

388 V

280.35 V

e3

30

260

SILICON

253.65 V

UL RECOGNIZED

SMCJ85C-001

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

5KP8.0-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

5000 W

9.36 V

AVALANCHE

1

LONG FORM

Transient Suppressors

8 V

175 Cel

-55 Cel

Matte Tin (Sn)

O-PALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

8 W

13.6 V

8.89 V

e3

40

260

SILICON

9.83 V

UL RECOGNIZED

5KP28CA-HR

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

5000 W

AVALANCHE

1

LONG FORM

28 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

BIDIRECTIONAL

ISOLATED

8 W

EXCELLENT CLAMPING CAPABILITY, HIGH RELIABILITY

31.1 V

e3

SILICON

34.4 V

IEC-61000-4-2, 4-4; UL RECOGNIZED

LC51

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

METAL

SINGLE

1500 W

57 V

AVALANCHE

1

LONG FORM

Transient Suppressors

51 V

O-MALF-W2

BIDIRECTIONAL

ISOLATED

Not Qualified

1 W

LOW CAPACITANCE, LOW IMPEDANCE

DO-13

91.1 V

56.7 V

SILICON

69.3 V

SA22CAT

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

500 W

25.65 V

AVALANCHE

1

LONG FORM

Transient Suppressors

22 V

175 Cel

-55 Cel

Matte Tin (Sn)

O-PALF-W2

1

BIDIRECTIONAL

ISOLATED

Not Qualified

3 W

EXCELLENT CLAMPING CAPABILITY

DO-204AC

35.5 V

24.4 V

e3

30

260

SILICON

26.9 V

UL RECOGNIZED

15KP51CAT

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

15000 W

56.7 V

AVALANCHE

1

LONG FORM

Transient Suppressors

51 V

Matte Tin (Sn)

O-PALF-W2

BIDIRECTIONAL

ISOLATED

Not Qualified

8 W

EXCELLENT CLAMPING CAPABILITY

82.8 V

59.535 V

e3

30

260

SILICON

53.865 V

UL RECOGNIZED

15KP130CB-2

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

15000 W

AVALANCHE

1

LONG FORM

175 Cel

-55 Cel

Matte Tin (Sn)

O-PALF-W2

2

BIDIRECTIONAL

ISOLATED

Not Qualified

7 W

LOW IMPEDANCE

144 V

e3

30

260

SILICON

15KP280B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

15000 W

311 V

AVALANCHE

1

LONG FORM

Transient Suppressors

280 V

Matte Tin (Sn)

O-PALF-W2

2

UNIDIRECTIONAL

ISOLATED

Not Qualified

8 W

EXCELLENT CLAMPING CAPABILITY

452 V

342.1 V

e3

30

260

SILICON

279.9 V

UL RECOGNIZED

P4KE220C-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

400 W

AVALANCHE

1

LONG FORM

185 V

Matte Tin (Sn)

O-PALF-W2

2

BIDIRECTIONAL

ISOLATED

Not Qualified

1 W

LOW IMPEDANCE

DO-204AL

198 V

e3

30

260

SILICON

242 V

P4KE47AAUTO-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

400 W

AVALANCHE

1

LONG FORM

40.2 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

1.5 W

DO-204AL

44.7 V

e3

SILICON

49.4 V

UL RECOGNIZED

5KP15CAAUTO-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

5000 W

17.6 V

AVALANCHE

1

LONG FORM

Transient Suppressors

15 V

Matte Tin (Sn)

O-PALF-W2

BIDIRECTIONAL

ISOLATED

Not Qualified

8 W

EXCELLENT CLAMPING CAPABILITY

24.4 V

16.7 V

e3

40

260

SILICON

18.5 V

UL RECOGNIZED

ICTE-18CB

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

1500 W

AVALANCHE

1

LONG FORM

18 V

O-PALF-W2

BIDIRECTIONAL

ISOLATED

Not Qualified

5 W

DO-201AD

21.2 V

SILICON

15KPA48CA-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

15000 W

AVALANCHE

1

LONG FORM

Transient Suppressors

48 V

175 Cel

-55 Cel

Matte Tin (Sn)

O-PALF-W2

1

BIDIRECTIONAL

ISOLATED

Not Qualified

8 W

EXCELLENT CLAMPING CAPABILITY

77.7 V

53.6 V

e3

40

260

SILICON

58.7 V

UL RECOGNIZED

SMCJ12-001

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

SMBJ90-001T13

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

600 W

3.5 V

111 V

AVALANCHE

1 uA

1

90 V

SMALL OUTLINE

90 V

150 Cel

-55 Cel

R-PDSO-C2

UNIDIRECTIONAL

5 W

EXCELLENT CLAMPING CAPABILITY

DO-214AA

160 V

100 V

SILICON

122 V

UL RECOGNIZED

SMF8.5A-T13

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

FLAT

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

1000 W

9.92 V

AVALANCHE

10 uA

1

8.5 V

SMALL OUTLINE

8.5 V

150 Cel

-65 Cel

MATTE TIN

R-PDSO-F2

1

UNIDIRECTIONAL

1 W

EXCELLENT CLAMPING CAPABILITY

14.4 V

9.44 V

e3

30

260

SILICON

10.4 V

IEC-61000-4-2, 4-4

P4KE56T

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

400 W

AVALANCHE

1

LONG FORM

47.8 V

175 Cel

-55 Cel

Matte Tin (Sn)

O-PALF-W2

2

UNIDIRECTIONAL

ISOLATED

Not Qualified

1 W

LOW IMPEDANCE

DO-204AL

50.4 V

e3

30

260

SILICON

61.6 V

3KP60A-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

3000 W

70.2 V

AVALANCHE

1

LONG FORM

Transient Suppressors

60 V

175 Cel

-55 Cel

Matte Tin (Sn)

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

7 W

96.8 V

66.7 V

e3

40

260

SILICON

73.7 V

UL RECOGNIZED

AK6-170C-12

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

THROUGH-HOLE

2

NO

RECTANGULAR

PLASTIC/EPOXY

SINGLE

AVALANCHE

1

170 V

125 Cel

-55 Cel

BIDIRECTIONAL

180 V

NOT SPECIFIED

NOT SPECIFIED

SILICON

220 V

IEC-61000-4-2, 4-4, 4-5; UL RECOGNIZED

15KPA51-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

15000 W

59.7 V

AVALANCHE

1

LONG FORM

Transient Suppressors

51 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

8 W

87 V

57 V

e3

40

260

SILICON

UL RECOGNIZED

15KP40B-2

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

15000 W

AVALANCHE

1

LONG FORM

175 Cel

-55 Cel

Matte Tin (Sn)

O-PALF-W2

2

UNIDIRECTIONAL

ISOLATED

Not Qualified

7 W

LOW IMPEDANCE

44.4 V

e3

30

260

SILICON

15KP78CB

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

15000 W

86.7 V

AVALANCHE

1

LONG FORM

Transient Suppressors

78 V

Matte Tin (Sn)

O-PALF-W2

2

BIDIRECTIONAL

ISOLATED

Not Qualified

8 W

EXCELLENT CLAMPING CAPABILITY

126 V

95.37 V

e3

30

260

SILICON

78.03 V

UL RECOGNIZED

P4KE150-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

400 W

150 V

AVALANCHE

1

LONG FORM

Transient Suppressors

128 V

175 Cel

-55 Cel

Matte Tin (Sn)

O-PALF-W2

2

UNIDIRECTIONAL

ISOLATED

Not Qualified

1 W

LOW IMPEDANCE

DO-204AL

207 V

135 V

e3

30

260

SILICON

165 V

1.5SMC550

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

1500 W

550 V

AVALANCHE

1

SMALL OUTLINE

Transient Suppressors

495 V

150 Cel

-65 Cel

Matte Tin (Sn)

R-PDSO-C2

UNIDIRECTIONAL

6.5 W

EXCELLENT CLAMPING CAPABILITY

DO-214AB

760 V

495 V

e3

40

260

SILICON

605 V

UL RECOGNIZED

SA26-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

500 W

30.4 V

AVALANCHE

1

LONG FORM

Transient Suppressors

26 V

175 Cel

-55 Cel

Matte Tin (Sn)

O-PALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

3 W

EXCELLENT CLAMPING CAPABILITY

DO-204AC

42.1 V

27.36 V

e3

30

260

SILICON

33.44 V

UL RECOGNIZED

LCE14CAT

Littelfuse

Matte Tin (Sn) - annealed

1

e3

10

265

SMBJ36A-001

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

600 W

3.5 V

42.1 V

AVALANCHE

1 uA

1

36 V

SMALL OUTLINE

36 V

150 Cel

-55 Cel

R-PDSO-C2

UNIDIRECTIONAL

5 W

EXCELLENT CLAMPING CAPABILITY

DO-214AA

58.1 V

40 V

SILICON

44.2 V

UL RECOGNIZED

SMBJ24A-HRA

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

J BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

600 W

AVALANCHE

1

SMALL OUTLINE

24 V

150 Cel

-65 Cel

MATTE TIN

R-PDSO-J2

UNIDIRECTIONAL

5 W

EXCELLENT CLAMPING CAPABILITY, HIGH RELIABILITY

DO-214AA

26.7 V

e3

40

260

SILICON

29.5 V

IEC-61000-4-2, 4-4; UL RECOGNIZED

P4KE250CAT

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

400 W

AVALANCHE

1

LONG FORM

214 V

175 Cel

-55 Cel

Matte Tin (Sn)

O-PALF-W2

2

BIDIRECTIONAL

ISOLATED

Not Qualified

1 W

LOW IMPEDANCE

DO-204AL

237 V

e3

30

260

SILICON

263 V

P4KE33T

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

400 W

AVALANCHE

1

LONG FORM

28.2 V

175 Cel

-55 Cel

Matte Tin (Sn)

O-PALF-W2

2

UNIDIRECTIONAL

ISOLATED

Not Qualified

1 W

LOW IMPEDANCE

DO-204AL

29.7 V

e3

30

260

SILICON

36.3 V

SMCJ33CA-HRA

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

1500 W

38.65 V

AVALANCHE

1 uA

1

33 V

SMALL OUTLINE

33 V

150 Cel

-65 Cel

MATTE TIN

R-PDSO-C2

1

BIDIRECTIONAL

6.5 W

EXCELLENT CLAMPING CAPABILITY; HIGH RELIABILITY

DO-214AB

53.3 V

36.7 V

e3

40

260

SILICON

40.6 V

MIL-PRF-19500; MIL-STD-750; UL RECOGNIZED

TLP16A

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

MATTE TIN

e3

SLT4202AC

Littelfuse

Transient Suppression Devices

Transient suppression devices are electronic components used to protect electronic circuits from voltage spikes and surges that can damage or destroy sensitive components. These voltage transients can be caused by lightning strikes, power surges, electrostatic discharge, or electromagnetic interference.

Transient suppression devices work by providing a low-impedance path for the transient current to flow to ground, diverting the energy away from the sensitive components. There are several types of transient suppression devices, including:

1. Varistors: Varistors are voltage-dependent resistors that provide a high resistance under normal operating conditions, but a low resistance under high-voltage transient conditions. They are commonly used in power supplies, motor controls, and lighting systems.

2. Metal oxide semiconductor field-effect transistors (MOSFETs): MOSFETs are used as voltage clamps to limit the voltage to a safe level during transient events. They are commonly used in automotive electronics and power supplies.

3. TVS diodes: TVS (transient voltage suppressor) diodes are used to protect electronic circuits from voltage spikes and surges by providing a low-impedance path to ground. They are commonly used in telecommunications, power supplies, and automotive electronics.

4. Gas discharge tubes: Gas discharge tubes (GDTs) are used to protect electronic circuits from high-voltage surges by ionizing a gas within the tube to provide a low-impedance path to ground. They are commonly used in telecommunications and power systems.

Transient suppression devices come in different package sizes and current ratings, depending on the application and the required performance. They can be integrated into a circuit board or mounted in a separate enclosure, depending on the application and the space available.