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

LCE20CT

Littelfuse

MATTE TIN

e3

40

260

SMCJ15CA-001

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

SMCJ54A-001

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

SMCJ15A-HRAT7

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

1500 W

3.5 V

17.6 V

AVALANCHE

1 uA

1

15 V

SMALL OUTLINE

15 V

150 Cel

-65 Cel

R-PDSO-C2

UNIDIRECTIONAL

6.5 W

EXCELLENT CLAMPING CAPABILITY; HIGH RELIABILITY

DO-214AB

24.4 V

16.7 V

NOT SPECIFIED

NOT SPECIFIED

SILICON

18.5 V

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

5KP12CAAUTO

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

5000 W

14 V

AVALANCHE

1

LONG FORM

Transient Suppressors

12 V

Matte Tin (Sn)

O-PALF-W2

BIDIRECTIONAL

ISOLATED

Not Qualified

8 W

EXCELLENT CLAMPING CAPABILITY

19.9 V

13.3 V

e3

40

260

SILICON

14.7 V

UL RECOGNIZED

5KP10-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

5000 W

11.7 V

AVALANCHE

1

LONG FORM

Transient Suppressors

10 V

175 Cel

-55 Cel

Matte Tin (Sn)

O-PALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

8 W

17 V

11.1 V

e3

40

260

SILICON

12.3 V

UL RECOGNIZED

SMF7.0CA

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

FLAT

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

1000 W

8.19 V

AVALANCHE

200 uA

1

7 V

SMALL OUTLINE

7 V

150 Cel

-65 Cel

MATTE TIN

R-PDSO-F2

1

BIDIRECTIONAL

1 W

EXCELLENT CLAMPING CAPABILITY

12 V

7.78 V

e3

30

260

SILICON

8.6 V

IEC-61000-4-2, 4-4

SLD24-018T

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

50000 W

AVALANCHE

1

LONG FORM

175 Cel

-55 Cel

Matte Tin (Sn)

O-PALF-W2

2

BIDIRECTIONAL

ISOLATED

Not Qualified

6.3 W

25 V

e3

30

260

SILICON

30 V

UL RECOGNIZED

P4KE39CAT

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

400 W

AVALANCHE

1

LONG FORM

33.3 V

175 Cel

-55 Cel

Matte Tin (Sn)

O-PALF-W2

1

BIDIRECTIONAL

ISOLATED

Not Qualified

1 W

LOW IMPEDANCE

DO-204AL

37.1 V

e3

10

265

SILICON

41 V

15KPA22CA-HRA

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

15000 W

25.74 V

AVALANCHE

500 uA

1

22 V

LONG FORM

22 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

BIDIRECTIONAL

ISOLATED

8 W

EXCELLENT CLAMPING CAPABILITY; HIGH RELIABILITY

37.1 V

24.57 V

e3

SILICON

26.91 V

IEC-61000-4-2,4-4; MIL-STD-750; UL RECOGNIZED

1.5SMB27CA

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

1500 W

27.05 V

AVALANCHE

1 uA

1

23.1 V

SMALL OUTLINE

23.1 V

150 Cel

-65 Cel

MATTE TIN

R-PDSO-C2

1

BIDIRECTIONAL

5 W

EXCELLENT CLAMPING CAPABILITY

DO-214AA

48.4 V

25.7 V

e3

40

260

SILICON

28.4 V

IEC-61000-4-2, 4-4

SMCJ16A-HR

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

1500 W

AVALANCHE

1

SMALL OUTLINE

16 V

150 Cel

-55 Cel

MATTE TIN

R-PDSO-C2

1

UNIDIRECTIONAL

6.5 W

EXCELLENT CLAMPING CAPABILITY, HIGH RELIABILITY

DO-214AB

17.8 V

e3

40

260

SILICON

19.7 V

UL RECOGNIZED

SMBJ18AT3

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

20 V

e3

40

260

SILICON

23.3 V

UL RECOGNIZED

SA6.0AT

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

500 W

7.02 V

AVALANCHE

1

LONG FORM

Transient Suppressors

6 V

175 Cel

-55 Cel

Matte Tin (Sn)

O-PALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

3 W

EXCELLENT CLAMPING CAPABILITY

DO-204AC

10.3 V

6.67 V

e3

30

260

SILICON

7.37 V

UL RECOGNIZED

LTKAK6-058C-TR

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

5KP250CA

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

5000 W

291.5 V

AVALANCHE

1

LONG FORM

Transient Suppressors

250 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

1

BIDIRECTIONAL

ISOLATED

Not Qualified

8 W

425 V

277 V

e3

40

260

SILICON

306 V

UL RECOGNIZED

5KP43CA-HR

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

5000 W

AVALANCHE

1

LONG FORM

43 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

BIDIRECTIONAL

ISOLATED

8 W

EXCELLENT CLAMPING CAPABILITY, HIGH RELIABILITY

47.8 V

e3

SILICON

52.8 V

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

TP1.5KE20CA

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

1500 W

AVALANCHE

1

LONG FORM

17.1 V

150 Cel

-55 Cel

MATTE TIN

O-PALF-W2

1

BIDIRECTIONAL

ISOLATED

6.5 W

EXCELLENT CLAMPING CAPABILITY, HIGH RELIABILITY

DO-201

19 V

e3

10

265

SILICON

21 V

AEC-Q101; IEC-61000-4-2, 4-4; UL RECOGNIZED

5KP15CT

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

5000 W

AVALANCHE

1

LONG FORM

15 V

175 Cel

-55 Cel

Tin (Sn)

O-PALF-W2

2

BIDIRECTIONAL

ISOLATED

Not Qualified

8 W

16.6 V

e3

30

260

SILICON

18.4 V

UL RECOGNIZED

5KP78CT

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

5000 W

AVALANCHE

1

LONG FORM

78 V

175 Cel

-55 Cel

Tin (Sn)

O-PALF-W2

2

BIDIRECTIONAL

ISOLATED

Not Qualified

8 W

86.6 V

e3

30

260

SILICON

95.7 V

UL RECOGNIZED

SMCJ7.5A-001

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

1500 W

AVALANCHE

1

SMALL OUTLINE

7.5 V

150 Cel

-65 Cel

MATTE TIN

R-PDSO-C2

1

UNIDIRECTIONAL

6.5 W

EXCELLENT CLAMPING CAPABILITY

DO-214AB

8.33 V

e3

SILICON

9.21 V

UL RECOGNIZED

SMCJ36CA-001

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

SMBJ100-001

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

600 W

3.5 V

123.5 V

AVALANCHE

1 uA

1

100 V

SMALL OUTLINE

100 V

150 Cel

-55 Cel

R-PDSO-C2

UNIDIRECTIONAL

5 W

EXCELLENT CLAMPING CAPABILITY

DO-214AA

179 V

111 V

SILICON

136 V

UL RECOGNIZED

15KP33AT-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

36.7 V

e3

30

260

SILICON

1.5SMC160

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

1500 W

160 V

AVALANCHE

1

SMALL OUTLINE

Transient Suppressors

136 V

150 Cel

-65 Cel

Matte Tin (Sn)

R-PDSO-C2

UNIDIRECTIONAL

6.5 W

EXCELLENT CLAMPING CAPABILITY

DO-214AB

219 V

144 V

e3

40

260

SILICON

176 V

UL RECOGNIZED

1.5SMC13AT

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

1500 W

13 V

AVALANCHE

1

SMALL OUTLINE

Transient Suppressors

11.1 V

150 Cel

-55 Cel

Matte Tin (Sn)

R-PDSO-C2

1

UNIDIRECTIONAL

EXCELLENT CLAMPING CAPABILITY, PRSM-MIN

DO-214AB

18.2 V

12.4 V

e3

40

260

SILICON

13.7 V

UL RECOGNIZED

15KP180B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

15000 W

200 V

AVALANCHE

1

LONG FORM

Transient Suppressors

180 V

Matte Tin (Sn)

O-PALF-W2

2

UNIDIRECTIONAL

ISOLATED

Not Qualified

8 W

EXCELLENT CLAMPING CAPABILITY

291 V

220 V

e3

30

260

SILICON

180 V

UL RECOGNIZED

SMBJ26T3

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

28.9 V

e3

40

260

SILICON

36.6 V

UL RECOGNIZED

5KP110CT

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

5000 W

AVALANCHE

1

LONG FORM

110 V

175 Cel

-55 Cel

Tin (Sn)

O-PALF-W2

2

BIDIRECTIONAL

ISOLATED

Not Qualified

8 W

121.9 V

e3

30

260

SILICON

134.9 V

UL RECOGNIZED

SMCJ180C-001

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

P4KE62A-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

400 W

62 V

AVALANCHE

1

LONG FORM

Transient Suppressors

53 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

1.5 W

DO-204AL

85 V

58.9 V

e3

10

265

SILICON

65.1 V

UL RECOGNIZED

P4KE39AAUTO

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

400 W

AVALANCHE

1

LONG FORM

33.3 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

1.5 W

DO-204AL

37.1 V

e3

SILICON

41 V

UL RECOGNIZED

15KPA40

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

15000 W

AVALANCHE

1

LONG FORM

Transient Suppressors

40 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

8 W

EXCELLENT CLAMPING CAPABILITY

65.8 V

42.12 V

e3

40

260

SILICON

51.48 V

UL RECOGNIZED

5KP26CAAUTO

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

5000 W

30.4 V

AVALANCHE

1

LONG FORM

Transient Suppressors

26 V

Matte Tin (Sn)

O-PALF-W2

BIDIRECTIONAL

ISOLATED

Not Qualified

8 W

EXCELLENT CLAMPING CAPABILITY

42.1 V

28.9 V

e3

40

260

SILICON

31.9 V

UL RECOGNIZED

P4KE9.1AT

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

400 W

AVALANCHE

1

LONG FORM

7.78 V

175 Cel

-55 Cel

Matte Tin (Sn)

O-PALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

1 W

LOW IMPEDANCE

DO-204AL

8.65 V

e3

10

265

SILICON

9.55 V

P4KE130CAT

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

400 W

AVALANCHE

1

LONG FORM

111 V

175 Cel

-55 Cel

Matte Tin (Sn)

O-PALF-W2

2

BIDIRECTIONAL

ISOLATED

Not Qualified

1 W

LOW IMPEDANCE

DO-204AL

124 V

e3

30

260

SILICON

137 V

3KP22CA-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

3000 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

7 W

35.5 V

24.4 V

e3

40

260

SILICON

26.9 V

UL RECOGNIZED

3KP45CA-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

3000 W

52.65 V

AVALANCHE

1

LONG FORM

Transient Suppressors

45 V

175 Cel

-55 Cel

Matte Tin (Sn)

O-PALF-W2

1

BIDIRECTIONAL

ISOLATED

Not Qualified

7 W

72.7 V

50 V

e3

40

260

SILICON

55.3 V

UL RECOGNIZED

SMBJ170CA-HR

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

J BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

600 W

AVALANCHE

1

SMALL OUTLINE

170 V

150 Cel

-65 Cel

MATTE TIN

R-PDSO-J2

1

BIDIRECTIONAL

5 W

EXCELLENT CLAMPING CAPABILITY, HIGH RELIABILITY

DO-214AA

189 V

e3

40

260

SILICON

209 V

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

5KP90-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

5000 W

105.5 V

AVALANCHE

1

LONG FORM

Transient Suppressors

90 V

175 Cel

-55 Cel

Matte Tin (Sn)

O-PALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

8 W

146 V

100 V

e3

40

260

SILICON

111 V

UL RECOGNIZED

MPT-36T

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

METAL

SINGLE

1500 W

AVALANCHE

1

LONG FORM

O-MALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

1 W

LOW IMPEDANCE

DO-13

42.4 V

SILICON

SMCG13CA-HRA

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

L BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

1500 W

AVALANCHE

1

SMALL OUTLINE

13 V

150 Cel

-65 Cel

MATTE TIN

R-PDSO-L2

1

BIDIRECTIONAL

6.5 W

EXCELLENT CLAMPING CAPABILITY, HIGH RELIABILITY

DO-215AB

14.4 V

e3

30

260

SILICON

15.9 V

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

SLD5S30A

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

MATTE TIN

2

e3

30

260

P4KE160CT

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

400 W

AVALANCHE

1

LONG FORM

136 V

175 Cel

-55 Cel

Matte Tin (Sn)

O-PALF-W2

2

BIDIRECTIONAL

ISOLATED

Not Qualified

1 W

LOW IMPEDANCE

DO-204AL

144 V

e3

30

260

SILICON

176 V

LC90

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

METAL

SINGLE

1500 W

100 V

AVALANCHE

1

LONG FORM

Transient Suppressors

90 V

O-MALF-W2

BIDIRECTIONAL

ISOLATED

Not Qualified

1 W

LOW CAPACITANCE, LOW IMPEDANCE

DO-13

160 V

100 V

SILICON

122 V

SAC10

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

500 W

AVALANCHE

1

LONG FORM

Transient Suppressors

10 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

3 W

DO-204AC

16.3 V

11.1 V

e3

30

260

SILICON

UL RECOGNIZED

SAC45-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

500 W

AVALANCHE

1

LONG FORM

Transient Suppressors

45 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

3 W

DO-204AC

77 V

50 V

e3

30

260

SILICON

UL RECOGNIZED

SMCJ70CA-001T13

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

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.