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

P4SMA43CA

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

400 W

43 V

AVALANCHE

1

SMALL OUTLINE

Transient Suppressors

36.8 V

150 Cel

-65 Cel

MATTE TIN

R-PDSO-C2

1

BIDIRECTIONAL

Not Qualified

3.3 W

DO-214AC

59.3 V

40.9 V

e3

40

260

SILICON

45.2 V

UL RECOGNIZED

20KPA192CA-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

20000 W

AVALANCHE

1

LONG FORM

Transient Suppressors

192 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

1

BIDIRECTIONAL

ISOLATED

Not Qualified

8 W

309 V

214.5 V

e3

40

260

SILICON

UL RECOGNIZED

20KPA30CA-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

20000 W

AVALANCHE

1

LONG FORM

Transient Suppressors

30 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

1

BIDIRECTIONAL

ISOLATED

Not Qualified

8 W

51.5 V

33.51 V

e3

40

260

SILICON

UL RECOGNIZED

P4SMA62CA

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

400 W

62 V

AVALANCHE

1

SMALL OUTLINE

Transient Suppressors

53 V

150 Cel

-65 Cel

MATTE TIN

R-PDSO-C2

1

BIDIRECTIONAL

Not Qualified

3.3 W

DO-214AC

85 V

58.9 V

e3

40

260

SILICON

65.1 V

UL RECOGNIZED

1N6359

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

14.1 V

SILICON

5KP58CA-HR

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

5000 W

AVALANCHE

1

LONG FORM

58 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

BIDIRECTIONAL

ISOLATED

8 W

EXCELLENT CLAMPING CAPABILITY, HIGH RELIABILITY

64.4 V

e3

SILICON

71.2 V

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

SA130CAT

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

500 W

151.5 V

AVALANCHE

1

LONG FORM

Transient Suppressors

130 V

175 Cel

-55 Cel

Matte Tin (Sn)

O-PALF-W2

1

BIDIRECTIONAL

ISOLATED

Not Qualified

3 W

EXCELLENT CLAMPING CAPABILITY

DO-204AC

209 V

144 V

e3

30

260

SILICON

159 V

UL RECOGNIZED

P4KE10AT

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

400 W

AVALANCHE

1

LONG FORM

8.55 V

175 Cel

-55 Cel

Matte Tin (Sn)

O-PALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

1 W

LOW IMPEDANCE

DO-204AL

9.5 V

e3

10

265

SILICON

10.5 V

SA7.5CT

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

500 W

8.77 V

AVALANCHE

1

LONG FORM

Transient Suppressors

7.5 V

175 Cel

-55 Cel

Matte Tin (Sn)

O-PALF-W2

1

BIDIRECTIONAL

ISOLATED

Not Qualified

3 W

EXCELLENT CLAMPING CAPABILITY

DO-204AC

12.9 V

7.893 V

e3

30

260

SILICON

9.647 V

UL RECOGNIZED

1.5SMC440C

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

1500 W

AVALANCHE

1

SMALL OUTLINE

376 V

150 Cel

-65 Cel

Matte Tin (Sn)

R-PDSO-C2

BIDIRECTIONAL

6.5 W

EXCELLENT CLAMPING CAPABILITY

DO-214AB

396 V

e3

40

260

SILICON

484 V

UL RECOGNIZED

LC58B

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

78.7 V

5KP18AAUTO-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

5000 W

21.05 V

AVALANCHE

1

LONG FORM

Transient Suppressors

18 V

Matte Tin (Sn)

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

8 W

EXCELLENT CLAMPING CAPABILITY

29.2 V

20 V

e3

40

260

SILICON

22.1 V

UL RECOGNIZED

SMBJ40AT3

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

44.4 V

e3

40

260

SILICON

51.1 V

UL RECOGNIZED

15KPA17C

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

15000 W

AVALANCHE

1

LONG FORM

Transient Suppressors

17 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

1

BIDIRECTIONAL

ISOLATED

Not Qualified

8 W

EXCELLENT CLAMPING CAPABILITY

29.3 V

17.9 V

e3

40

260

SILICON

21.88 V

UL RECOGNIZED

15KP28AT-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

31.1 V

e3

30

260

SILICON

SMCG40CA-HRA

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

L BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

1500 W

AVALANCHE

1

SMALL OUTLINE

40 V

150 Cel

-65 Cel

MATTE TIN

R-PDSO-L2

1

BIDIRECTIONAL

6.5 W

EXCELLENT CLAMPING CAPABILITY, HIGH RELIABILITY

DO-215AB

44.4 V

e3

30

260

SILICON

49.1 V

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

1.5SMC150

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

1500 W

150 V

AVALANCHE

1

SMALL OUTLINE

Transient Suppressors

128 V

150 Cel

-65 Cel

Matte Tin (Sn)

R-PDSO-C2

UNIDIRECTIONAL

6.5 W

EXCELLENT CLAMPING CAPABILITY

DO-214AB

207 V

135.45 V

e3

40

260

SILICON

165.55 V

UL RECOGNIZED

5KP180A-HRA

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

5000 W

AVALANCHE

1

LONG FORM

180 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

8 W

EXCELLENT CLAMPING CAPABILITY, HIGH RELIABILITY

200 V

e3

10

260

SILICON

221 V

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

ICT-15T

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 IMPEDANCE

DO-13

17.6 V

SILICON

5KP51CA-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

56.7 V

e3

SILICON

62.7 V

UL LISTED

SAC45

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

15KP220B-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

245 V

e3

30

260

SILICON

LCE33AT

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

1500 W

AVALANCHE

1

LONG FORM

33 V

Matte Tin (Sn)

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

5 W

LOW CAPACITANCE

DO-201AD

36.7 V

e3

40

260

SILICON

40.6 V

P4KE82T

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

400 W

AVALANCHE

1

LONG FORM

70.1 V

175 Cel

-55 Cel

Matte Tin (Sn)

O-PALF-W2

2

UNIDIRECTIONAL

ISOLATED

Not Qualified

1 W

LOW IMPEDANCE

DO-204AL

73.8 V

e3

30

260

SILICON

90.2 V

SMCJ300C

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

1500 W

353 V

AVALANCHE

1

SMALL OUTLINE

Transient Suppressors

300 V

Matte Tin (Sn)

R-PDSO-C2

1

BIDIRECTIONAL

Not Qualified

EXCELLENT CLAMPING CAPABILITY, LOW INDUCTANCE

DO-214AB

486 V

317.7 V

e3

40

260

SILICON

388.3 V

UL RECOGNIZED

SMCJ8.0-001T13

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

5KP28-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

5000 W

32.75 V

AVALANCHE

1

LONG FORM

Transient Suppressors

28 V

175 Cel

-55 Cel

Matte Tin (Sn)

O-PALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

8 W

45.4 V

31.1 V

e3

40

260

SILICON

34.4 V

UL RECOGNIZED

SMF11CA-T13

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

FLAT

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

1000 W

12.85 V

AVALANCHE

2.5 uA

1

11 V

SMALL OUTLINE

11 V

150 Cel

-65 Cel

MATTE TIN

R-PDSO-F2

1

BIDIRECTIONAL

1 W

EXCELLENT CLAMPING CAPABILITY

18.2 V

12.2 V

e3

30

260

SILICON

13.5 V

IEC-61000-4-2, 4-4

SP3208-01UTG

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

BOTTOM

NO LEAD

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

7.5 V

AVALANCHE

.1 uA

1

5 V

CHIP CARRIER

5 V

125 Cel

-40 Cel

R-PBCC-N2

BIDIRECTIONAL

ULTRA LOW CAPACITANCE

MO-236

18 V

6.2 V

NOT SPECIFIED

NOT SPECIFIED

SILICON

AEC-Q101; IEC-61000-4-2, 4-4, 4-5

SMCG8.0CA-HRA

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

L BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

1500 W

AVALANCHE

1

SMALL OUTLINE

8 V

150 Cel

-65 Cel

MATTE TIN

R-PDSO-L2

1

BIDIRECTIONAL

6.5 W

EXCELLENT CLAMPING CAPABILITY, HIGH RELIABILITY

DO-215AB

8.89 V

e3

30

260

SILICON

9.83 V

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

TLP12A

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

5000 W

3.5 V

14 V

AVALANCHE

10 uA

1

12 V

LONG FORM

12 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

8 W

EXCELLENT CLAMPING CAPABILITY, HIGH RELIABILITY

24 V

13.3 V

e3

SILICON

14.7 V

IEC-61000-4-2, 4-4

LC80AT

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

88.7 V

SILICON

98 V

LCE48-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

1500 W

AVALANCHE

1

LONG FORM

48 V

Matte Tin (Sn)

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

5 W

LOW CAPACITANCE

DO-201AD

53.3 V

e3

40

260

SILICON

65.1 V

LCE9.0-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

1500 W

10.55 V

AVALANCHE

1

LONG FORM

Transient Suppressors

9 V

175 Cel

-55 Cel

Matte Tin (Sn)

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

5 W

LOW CAPACITANCE

DO-201AD

15.4 V

9.9 V

e3

40

260

SILICON

11.2 V

5KP150T

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

5000 W

AVALANCHE

1

LONG FORM

150 V

175 Cel

-55 Cel

Tin (Sn)

O-PALF-W2

2

UNIDIRECTIONAL

ISOLATED

Not Qualified

8 W

166.9 V

e3

30

260

SILICON

184.9 V

UL RECOGNIZED

5KP36AT

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

5000 W

AVALANCHE

1

LONG FORM

36 V

175 Cel

-55 Cel

Tin (Sn)

O-PALF-W2

2

UNIDIRECTIONAL

ISOLATED

Not Qualified

8 W

40 V

e3

30

260

SILICON

44.2 V

UL RECOGNIZED

AK6-030C-12

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

THROUGH-HOLE

2

NO

RECTANGULAR

PLASTIC/EPOXY

SINGLE

AVALANCHE

1

30 V

125 Cel

-55 Cel

BIDIRECTIONAL

32 V

NOT SPECIFIED

NOT SPECIFIED

SILICON

37 V

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

15KPA220CA-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

15000 W

AVALANCHE

1

LONG FORM

Transient Suppressors

220 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

1

BIDIRECTIONAL

ISOLATED

Not Qualified

8 W

EXCELLENT CLAMPING CAPABILITY

428.6 V

245.7 V

e3

40

260

SILICON

269.1 V

UL RECOGNIZED

SMCJ8.5-001T13

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

SMCJ8.5A-001

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

15KP200A

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

15000 W

234 V

AVALANCHE

1

LONG FORM

Transient Suppressors

200 V

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

5 W

EXCELLENT CLAMPING CAPABILITY, LOW ZENER IMPEDANCE

322 V

222 V

SILICON

P4KE300-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

400 W

300 V

AVALANCHE

1

LONG FORM

Transient Suppressors

256 V

175 Cel

-55 Cel

Matte Tin (Sn)

O-PALF-W2

2

UNIDIRECTIONAL

ISOLATED

Not Qualified

1 W

LOW IMPEDANCE

DO-204AL

414 V

270 V

e3

30

260

SILICON

330 V

SMBJ9.0CA-HRA

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

J BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

600 W

AVALANCHE

1

SMALL OUTLINE

9 V

150 Cel

-65 Cel

MATTE TIN

R-PDSO-J2

BIDIRECTIONAL

5 W

EXCELLENT CLAMPING CAPABILITY, HIGH RELIABILITY

DO-214AA

10 V

e3

40

260

SILICON

11.1 V

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

1.5SMC540A

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

1500 W

540 V

AVALANCHE

1

SMALL OUTLINE

Transient Suppressors

486 V

150 Cel

-65 Cel

MATTE TIN

R-PDSO-C2

1

UNIDIRECTIONAL

Not Qualified

6.5 W

EXCELLENT CLAMPING CAPABILITY

DO-214AB

740 V

513 V

e3

40

260

SILICON

567 V

UL RECOGNIZED

SMBJ14CT1

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

15.6 V

e3

40

260

SILICON

19.8 V

UL RECOGNIZED

TLPA30CA

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

MATTE TIN

e3

SMCJ36-001

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

P4KE530CA

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

400 W

530 V

AVALANCHE

1

LONG FORM

Transient Suppressors

477 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

2

BIDIRECTIONAL

ISOLATED

Not Qualified

1.5 W

DO-204AL

725 V

503.5 V

e3

40

260

SILICON

556.5 V

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.