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

1N6072AB

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

METAL

SINGLE

1500 W

AVALANCHE

1

LONG FORM

185 V

O-MALF-W2

BIDIRECTIONAL

ISOLATED

Not Qualified

1 W

LOW IMPEDANCE

DO-13

209 V

SILICON

231 V

SMBJ6.0A-HRA

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

J BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

600 W

AVALANCHE

1

SMALL OUTLINE

6 V

150 Cel

-65 Cel

MATTE TIN

R-PDSO-J2

UNIDIRECTIONAL

5 W

EXCELLENT CLAMPING CAPABILITY, HIGH RELIABILITY

DO-214AA

6.67 V

e3

40

260

SILICON

7.37 V

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

LC58AB

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

METAL

SINGLE

1500 W

AVALANCHE

1

LONG FORM

O-MALF-W2

BIDIRECTIONAL

ISOLATED

Not Qualified

1 W

LOW CAPACITANCE, LOW IMPEDANCE

DO-13

64.4 V

SILICON

71.2 V

15KP22AT-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

24.4 V

e3

30

260

SILICON

TLP10A

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

5000 W

3.5 V

12.4 V

AVALANCHE

10 uA

1

10 V

LONG FORM

10 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

8 W

EXCELLENT CLAMPING CAPABILITY, HIGH RELIABILITY

21 V

11.8 V

e3

SILICON

13 V

IEC-61000-4-2, 4-4

SMF13A-T13

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

FLAT

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

1000 W

15.15 V

AVALANCHE

1 uA

1

13 V

SMALL OUTLINE

13 V

150 Cel

-65 Cel

MATTE TIN

R-PDSO-F2

1

UNIDIRECTIONAL

1 W

EXCELLENT CLAMPING CAPABILITY

21.5 V

14.4 V

e3

30

260

SILICON

15.9 V

IEC-61000-4-2, 4-4

SMCJ17CA-HRA

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

1500 W

19.9 V

AVALANCHE

1 uA

1

17 V

SMALL OUTLINE

17 V

150 Cel

-65 Cel

MATTE TIN

R-PDSO-C2

1

BIDIRECTIONAL

6.5 W

EXCELLENT CLAMPING CAPABILITY; HIGH RELIABILITY

DO-214AB

27.6 V

18.9 V

e3

40

260

SILICON

20.9 V

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

SMBJ14CA-HR

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

J BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

600 W

AVALANCHE

1

SMALL OUTLINE

14 V

150 Cel

-65 Cel

MATTE TIN

R-PDSO-J2

1

BIDIRECTIONAL

5 W

EXCELLENT CLAMPING CAPABILITY, HIGH RELIABILITY

DO-214AA

15.6 V

e3

40

260

SILICON

17.2 V

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

SMBJ22CA-001T13

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

600 W

25.65 V

AVALANCHE

1 uA

1

22 V

SMALL OUTLINE

22 V

150 Cel

-55 Cel

R-PDSO-C2

BIDIRECTIONAL

5 W

EXCELLENT CLAMPING CAPABILITY

DO-214AA

35.5 V

24.4 V

SILICON

26.9 V

UL RECOGNIZED

SMCJ6.5C-001T13

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

15KP90B-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

100 V

e3

30

260

SILICON

15KPA60A-HR

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

15000 W

AVALANCHE

1

LONG FORM

60 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

8 W

EXCELLENT CLAMPING CAPABILITY, HIGH RELIABILITY

67 V

e3

SILICON

73.4 V

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

MPTE-15CB

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

1500 W

AVALANCHE

1

LONG FORM

15 V

O-PALF-W2

BIDIRECTIONAL

ISOLATED

Not Qualified

5 W

DO-201AD

17.6 V

SILICON

5KP6.5AB-2

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

5000 W

AVALANCHE

1

LONG FORM

175 Cel

-55 Cel

TIN

O-PALF-W2

2

UNIDIRECTIONAL

ISOLATED

Not Qualified

8 W

7.22 V

e3

30

260

SILICON

7.98 V

UL LISTED

5KP8.5AT

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

5000 W

AVALANCHE

1

LONG FORM

8.5 V

175 Cel

-55 Cel

Tin (Sn)

O-PALF-W2

2

UNIDIRECTIONAL

ISOLATED

Not Qualified

8 W

9.44 V

e3

30

260

SILICON

10.4 V

UL RECOGNIZED

MPT-18

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

METAL

SINGLE

1500 W

21 V

AVALANCHE

1

LONG FORM

Transient Suppressors

18 V

Tin/Lead (Sn/Pb)

O-MALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

1 W

LOW IMPEDANCE

DO-13

25.2 V

21.2 V

e0

SILICON

SMBJ36-001

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

600 W

3.5 V

44.45 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

64.3 V

40 V

SILICON

48.9 V

UL RECOGNIZED

SMBJ6.5CA-001

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

600 W

7.6 V

AVALANCHE

1000 uA

1

6.5 V

SMALL OUTLINE

6.5 V

150 Cel

-55 Cel

R-PDSO-C2

BIDIRECTIONAL

5 W

EXCELLENT CLAMPING CAPABILITY

DO-214AA

11.2 V

7.22 V

SILICON

7.98 V

UL RECOGNIZED

P4KE24AAUTO-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

400 W

AVALANCHE

1

LONG FORM

20.5 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

1.5 W

DO-204AL

22.8 V

e3

SILICON

25.2 V

UL RECOGNIZED

P4KE24AAUTO

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

400 W

AVALANCHE

1

LONG FORM

20.5 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

1.5 W

DO-204AL

22.8 V

e3

SILICON

25.2 V

UL RECOGNIZED

15KP36CAT-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

40 V

e3

30

260

SILICON

15KP150CA

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

NO

SINGLE

15000 W

176 V

AVALANCHE

1

Transient Suppressors

150 V

Matte Tin (Sn)

2

BIDIRECTIONAL

ISOLATED

Not Qualified

243 V

167 V

e3

30

260

SILICON

SMBJ160CAT1

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

BIDIRECTIONAL

Not Qualified

1.5 W

DO-214AA

178 V

e3

40

260

SILICON

205 V

UL RECOGNIZED

5KP220CAT

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

5000 W

AVALANCHE

1

LONG FORM

220 V

175 Cel

-55 Cel

Tin (Sn)

O-PALF-W2

2

BIDIRECTIONAL

ISOLATED

Not Qualified

8 W

244 V

e3

30

260

SILICON

270 V

UL RECOGNIZED

SMF9.0A-T13

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

FLAT

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

1000 W

10.55 V

AVALANCHE

2.5 uA

1

9 V

SMALL OUTLINE

9 V

150 Cel

-65 Cel

MATTE TIN

R-PDSO-F2

1

UNIDIRECTIONAL

1 W

EXCELLENT CLAMPING CAPABILITY

15.4 V

10 V

e3

30

260

SILICON

11.1 V

IEC-61000-4-2, 4-4

SA24CT

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

500 W

28.1 V

AVALANCHE

1

LONG FORM

Transient Suppressors

24 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

1

BIDIRECTIONAL

ISOLATED

Not Qualified

3 W

EXCELLENT CLAMPING CAPABILITY

DO-204AC

38.9 V

25.29 V

e3

40

260

SILICON

30.91 V

UL RECOGNIZED

SP0201U-ULC-01UTG

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

BOTTOM

NO LEAD

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

AVALANCHE

1

CHIP CARRIER

7 V

85 Cel

-30 Cel

R-PBCC-N2

UNIDIRECTIONAL

ULTRA LOW CAPACITANCE

NOT SPECIFIED

NOT SPECIFIED

SILICON

IEC-61000-4-2

LC26

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

METAL

SINGLE

1500 W

27 V

AVALANCHE

1

LONG FORM

Transient Suppressors

26 V

O-MALF-W2

BIDIRECTIONAL

ISOLATED

Not Qualified

1 W

LOW CAPACITANCE, LOW IMPEDANCE

DO-13

46.6 V

28.9 V

SILICON

35.3 V

SMBJ54A-001T13

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

600 W

3.5 V

63.15 V

AVALANCHE

1 uA

1

54 V

SMALL OUTLINE

54 V

150 Cel

-55 Cel

R-PDSO-C2

UNIDIRECTIONAL

5 W

EXCELLENT CLAMPING CAPABILITY

DO-214AA

87.1 V

60 V

SILICON

66.3 V

UL RECOGNIZED

SMCJ40A-001

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

15KP20A-2

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

15000 W

AVALANCHE

1

LONG FORM

Matte Tin (Sn)

O-PALF-W2

2

UNIDIRECTIONAL

ISOLATED

Not Qualified

7 W

LOW IMPEDANCE

22.2 V

e3

30

260

SILICON

SLD16U

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

UNSPECIFIED

SINGLE

50000 W

AVALANCHE

1

LONG FORM

16 V

150 Cel

-55 Cel

Matte Tin (Sn)

O-XALF-W2

2

UNIDIRECTIONAL

ISOLATED

Not Qualified

6.3 W

18 V

e3

30

260

SILICON

22 V

5KP130C-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

5000 W

AVALANCHE

1

LONG FORM

130 V

Matte Tin (Sn)

O-PALF-W2

BIDIRECTIONAL

ISOLATED

Not Qualified

8 W

144 V

e3

40

260

SILICON

159 V

UL RECOGNIZED

P4KE400AT

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

400 W

AVALANCHE

1

LONG FORM

342 V

175 Cel

-55 Cel

Matte Tin (Sn)

O-PALF-W2

2

UNIDIRECTIONAL

ISOLATED

Not Qualified

1 W

LOW IMPEDANCE

DO-204AL

380 V

e3

30

260

SILICON

420 V

5KP20T

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

5000 W

AVALANCHE

1

LONG FORM

20 V

175 Cel

-55 Cel

Tin (Sn)

O-PALF-W2

2

UNIDIRECTIONAL

ISOLATED

Not Qualified

8 W

22.1 V

e3

30

260

SILICON

24.4 V

UL RECOGNIZED

5KP15CA-2

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

5000 W

AVALANCHE

1

LONG FORM

MATTE TIN

O-PALF-W2

1

BIDIRECTIONAL

ISOLATED

Not Qualified

8 W

16.7 V

e3

SILICON

18.5 V

UL LISTED

SMBJ85-001

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

600 W

3.5 V

104.7 V

AVALANCHE

1 uA

1

85 V

SMALL OUTLINE

85 V

150 Cel

-55 Cel

R-PDSO-C2

UNIDIRECTIONAL

5 W

EXCELLENT CLAMPING CAPABILITY

DO-214AA

151 V

94.4 V

SILICON

115 V

UL RECOGNIZED

SMCJ180A-001

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

15KP170A

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

15000 W

199 V

AVALANCHE

1

LONG FORM

Transient Suppressors

170 V

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

5 W

EXCELLENT CLAMPING CAPABILITY, LOW ZENER IMPEDANCE

275 V

189 V

SILICON

LC11A

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

METAL

SINGLE

1500 W

12 V

AVALANCHE

1

LONG FORM

Transient Suppressors

11 V

O-MALF-W2

BIDIRECTIONAL

ISOLATED

Not Qualified

1 W

LOW CAPACITANCE, LOW IMPEDANCE

DO-13

18.2 V

12.2 V

SILICON

13.5 V

SMCJ170A-001T13

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

SMBJ400C

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

600 W

470.5 V

AVALANCHE

1

SMALL OUTLINE

Transient Suppressors

400 V

Matte Tin (Sn)

R-PDSO-C2

1

BIDIRECTIONAL

Not Qualified

DO-214AA

648 V

447 V

e3

40

260

SILICON

494 V

UL RECOGNIZED

SMF6.0CA

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

FLAT

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

1000 W

7.02 V

AVALANCHE

800 uA

1

6 V

SMALL OUTLINE

6 V

150 Cel

-65 Cel

MATTE TIN

R-PDSO-F2

1

BIDIRECTIONAL

1 W

EXCELLENT CLAMPING CAPABILITY

10.3 V

6.67 V

e3

30

260

SILICON

7.37 V

IEC-61000-4-2, 4-4

15KPA70CA-HRA

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

15000 W

81.9 V

AVALANCHE

2 uA

1

70 V

LONG FORM

70 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

BIDIRECTIONAL

ISOLATED

8 W

EXCELLENT CLAMPING CAPABILITY; HIGH RELIABILITY

113.6 V

78.2 V

e3

SILICON

85.6 V

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

LC20B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

METAL

SINGLE

1500 W

AVALANCHE

1

LONG FORM

O-MALF-W2

BIDIRECTIONAL

ISOLATED

Not Qualified

1 W

LOW CAPACITANCE, LOW IMPEDANCE

DO-13

22.2 V

SILICON

27.1 V

TP5KP24A

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

5000 W

AVALANCHE

1

LONG FORM

24 V

150 Cel

-55 Cel

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

8 W

EXCELLENT CLAMPING CAPABILITY, HIGH RELIABILITY, UL RECOGNIZED

26.7 V

NOT SPECIFIED

NOT SPECIFIED

SILICON

29.5 V

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

SAC12-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

500 W

AVALANCHE

1

LONG FORM

Transient Suppressors

12 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

3 W

DO-204AC

19 V

13.3 V

e3

30

260

SILICON

UL RECOGNIZED

SAC15-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

500 W

AVALANCHE

1

LONG FORM

Transient Suppressors

15 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

3 W

DO-204AC

23.6 V

16.7 V

e3

30

260

SILICON

UL RECOGNIZED

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.