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

P4SMA11CA

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

400 W

11 V

AVALANCHE

1

SMALL OUTLINE

Transient Suppressors

9.4 V

150 Cel

-65 Cel

MATTE TIN

R-PDSO-C2

1

BIDIRECTIONAL

Not Qualified

3.3 W

DO-214AC

15.6 V

10.5 V

e3

40

260

SILICON

11.6 V

UL RECOGNIZED

P4SMA82

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

400 W

AVALANCHE

1

SMALL OUTLINE

70.1 V

150 Cel

-55 Cel

Matte Tin (Sn)

R-PDSO-C2

1

UNIDIRECTIONAL

3.3 W

EXCELLENT CLAMPING CAPABILITY

DO-214AC

73.8 V

e3

40

260

SILICON

90.2 V

UL RECOGNIZED

20KPA52CA

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

20000 W

AVALANCHE

1

LONG FORM

Transient Suppressors

52 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

1

BIDIRECTIONAL

ISOLATED

Not Qualified

8 W

85.8 V

58.1 V

e3

40

260

SILICON

UL RECOGNIZED

20KPA60C-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

20000 W

AVALANCHE

1

LONG FORM

Transient Suppressors

60 V

MATTE TIN

O-PALF-W2

1

BIDIRECTIONAL

ISOLATED

Not Qualified

8 W

97.6 V

67 V

e3

40

260

SILICON

UL RECOGNIZED

P4SMA650A-E

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

400 W

AVALANCHE

1

SMALL OUTLINE

553 V

150 Cel

-65 Cel

R-PDSO-C2

UNIDIRECTIONAL

3.3 W

EXCELLENT CLAMPING CAPABILITY

DO-214AC

617.5 V

SILICON

682.5 V

IEC-61000-4-2; IEC-61000-4-4

20KPA240A-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

20000 W

AVALANCHE

1

LONG FORM

Transient Suppressors

240 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

8 W

387 V

268.1 V

e3

40

260

SILICON

UL RECOGNIZED

P4SMA300C

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

400 W

AVALANCHE

1

SMALL OUTLINE

256 V

150 Cel

-55 Cel

Matte Tin (Sn)

R-PDSO-C2

1

BIDIRECTIONAL

3.3 W

EXCELLENT CLAMPING CAPABILITY

DO-214AC

270 V

e3

40

260

SILICON

330 V

UL RECOGNIZED

P4SMA10

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

400 W

AVALANCHE

1

SMALL OUTLINE

8.55 V

150 Cel

-55 Cel

Matte Tin (Sn)

R-PDSO-C2

1

UNIDIRECTIONAL

3.3 W

EXCELLENT CLAMPING CAPABILITY

DO-214AC

9 V

e3

40

260

SILICON

11 V

UL RECOGNIZED

P4SMA56A

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

400 W

56 V

AVALANCHE

1

SMALL OUTLINE

Transient Suppressors

47.8 V

150 Cel

-65 Cel

MATTE TIN

R-PDSO-C2

1

UNIDIRECTIONAL

Not Qualified

3.3 W

DO-214AC

77 V

53.2 V

e3

40

260

SILICON

58.8 V

UL RECOGNIZED

20KPA20C

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

20000 W

AVALANCHE

1

LONG FORM

Transient Suppressors

20 V

MATTE TIN

O-PALF-W2

1

BIDIRECTIONAL

ISOLATED

Not Qualified

8 W

36.8 V

22.34 V

e3

40

260

SILICON

UL RECOGNIZED

P4SMA39

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

400 W

AVALANCHE

1

SMALL OUTLINE

33.3 V

150 Cel

-55 Cel

Matte Tin (Sn)

R-PDSO-C2

1

UNIDIRECTIONAL

3.3 W

EXCELLENT CLAMPING CAPABILITY

DO-214AC

35.15 V

e3

40

260

SILICON

42.96 V

UL RECOGNIZED

P4SMA30C

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

400 W

AVALANCHE

1

SMALL OUTLINE

25.6 V

150 Cel

-55 Cel

Matte Tin (Sn)

R-PDSO-C2

1

BIDIRECTIONAL

3.3 W

EXCELLENT CLAMPING CAPABILITY

DO-214AC

27 V

e3

40

260

SILICON

33 V

UL RECOGNIZED

20KPA120-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

20000 W

AVALANCHE

1

LONG FORM

Transient Suppressors

120 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

8 W

194 V

134 V

e3

40

260

SILICON

UL RECOGNIZED

20KPA30A-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

UNIDIRECTIONAL

ISOLATED

Not Qualified

8 W

51.5 V

33.51 V

e3

40

260

SILICON

UL RECOGNIZED

20KPA216

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

20000 W

AVALANCHE

1

LONG FORM

Transient Suppressors

216 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

8 W

344.8 V

241.3 V

e3

40

260

SILICON

UL RECOGNIZED

20KPA20-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

20000 W

AVALANCHE

1

LONG FORM

Transient Suppressors

20 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

8 W

36.8 V

22.34 V

e3

40

260

SILICON

UL RECOGNIZED

20KPA30C-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

20000 W

AVALANCHE

1

LONG FORM

Transient Suppressors

30 V

MATTE TIN

O-PALF-W2

1

BIDIRECTIONAL

ISOLATED

Not Qualified

8 W

51.5 V

33.51 V

e3

40

260

SILICON

UL RECOGNIZED

P4SMA27

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

400 W

AVALANCHE

1

SMALL OUTLINE

23.1 V

150 Cel

-55 Cel

Matte Tin (Sn)

R-PDSO-C2

1

UNIDIRECTIONAL

3.3 W

EXCELLENT CLAMPING CAPABILITY

DO-214AC

24.35 V

e3

40

260

SILICON

29.76 V

UL RECOGNIZED

P4SMA530CA

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

400 W

530 V

AVALANCHE

1

SMALL OUTLINE

Transient Suppressors

477 V

150 Cel

-65 Cel

MATTE TIN

R-PDSO-C2

1

BIDIRECTIONAL

Not Qualified

3.3 W

DO-214AC

725 V

503.5 V

e3

40

260

SILICON

556.5 V

UL RECOGNIZED

P4SMA180

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

YES

SINGLE

180 V

AVALANCHE

1

Transient Suppressors

154 V

Matte Tin (Sn)

1

UNIDIRECTIONAL

Not Qualified

258.3 V

171 V

e3

40

260

SILICON

189 V

20KPA64-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

20000 W

AVALANCHE

1

LONG FORM

Transient Suppressors

64 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

8 W

104 V

71.5 V

e3

40

260

SILICON

UL RECOGNIZED

20KPA280

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

20000 W

AVALANCHE

1

LONG FORM

Transient Suppressors

280 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

8 W

454.5 V

312.8 V

e3

40

260

SILICON

UL RECOGNIZED

P4SMA82A

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

400 W

82 V

AVALANCHE

1

SMALL OUTLINE

Transient Suppressors

70.1 V

150 Cel

-65 Cel

MATTE TIN

R-PDSO-C2

1

UNIDIRECTIONAL

Not Qualified

3.3 W

DO-214AC

113 V

77.9 V

e3

40

260

SILICON

86.1 V

UL RECOGNIZED

P4SMA68

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

400 W

AVALANCHE

1

SMALL OUTLINE

58.1 V

150 Cel

-55 Cel

Matte Tin (Sn)

R-PDSO-C2

1

UNIDIRECTIONAL

3.3 W

EXCELLENT CLAMPING CAPABILITY

DO-214AC

61.2 V

e3

40

260

SILICON

74.8 V

UL RECOGNIZED

20KPA36C

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

20000 W

AVALANCHE

1

LONG FORM

Transient Suppressors

36 V

MATTE TIN

O-PALF-W2

1

BIDIRECTIONAL

ISOLATED

Not Qualified

8 W

61.5 V

40.2 V

e3

40

260

SILICON

UL RECOGNIZED

20KPA30CA

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

20KPA192A-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

UNIDIRECTIONAL

ISOLATED

Not Qualified

8 W

309 V

214.5 V

e3

40

260

SILICON

UL RECOGNIZED

P4SMA9.1C

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

400 W

AVALANCHE

1

SMALL OUTLINE

7.78 V

150 Cel

-55 Cel

Matte Tin (Sn)

R-PDSO-C2

1

BIDIRECTIONAL

3.3 W

EXCELLENT CLAMPING CAPABILITY

DO-214AC

8.19 V

e3

40

260

SILICON

10.01 V

UL RECOGNIZED

P4SMA12

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

400 W

AVALANCHE

1

SMALL OUTLINE

10.2 V

150 Cel

-55 Cel

Matte Tin (Sn)

R-PDSO-C2

1

UNIDIRECTIONAL

3.3 W

EXCELLENT CLAMPING CAPABILITY

DO-214AC

10.8 V

e3

40

260

SILICON

13.2 V

UL RECOGNIZED

20KPA28

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

20000 W

AVALANCHE

1

LONG FORM

Transient Suppressors

28 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

8 W

48 V

31.28 V

e3

40

260

SILICON

UL RECOGNIZED

20KPA36

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

20000 W

AVALANCHE

1

LONG FORM

Transient Suppressors

36 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

8 W

61.5 V

40.2 V

e3

40

260

SILICON

UL RECOGNIZED

P4SMA100C

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

400 W

AVALANCHE

1

SMALL OUTLINE

85.5 V

150 Cel

-55 Cel

Matte Tin (Sn)

R-PDSO-C2

1

BIDIRECTIONAL

3.3 W

EXCELLENT CLAMPING CAPABILITY

DO-214AC

90 V

e3

40

260

SILICON

110 V

UL RECOGNIZED

20KPA216A

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

20000 W

AVALANCHE

1

LONG FORM

Transient Suppressors

216 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

8 W

348 V

241.3 V

e3

40

260

SILICON

UL RECOGNIZED

P4SMA170C

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

400 W

AVALANCHE

1

SMALL OUTLINE

145 V

150 Cel

-55 Cel

Matte Tin (Sn)

R-PDSO-C2

1

BIDIRECTIONAL

3.3 W

EXCELLENT CLAMPING CAPABILITY

DO-214AC

153.45 V

e3

40

260

SILICON

187.55 V

UL RECOGNIZED

20KPA280-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

20000 W

AVALANCHE

1

LONG FORM

Transient Suppressors

280 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

8 W

451 V

312.8 V

e3

40

260

SILICON

UL RECOGNIZED

P4SMA550

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

400 W

AVALANCHE

1

SMALL OUTLINE

495 V

150 Cel

-55 Cel

Matte Tin (Sn)

R-PDSO-C2

1

UNIDIRECTIONAL

3.3 W

EXCELLENT CLAMPING CAPABILITY

DO-214AC

495 V

e3

40

260

SILICON

605 V

UL RECOGNIZED

20KPA104-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

20000 W

AVALANCHE

1

LONG FORM

Transient Suppressors

104 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

8 W

168 V

116.2 V

e3

40

260

SILICON

UL RECOGNIZED

P4SMA520CA

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

YES

20 V

Transient Suppressors

17.1 V

MATTE TIN

1

BIDIRECTIONAL

27.7 V

e3

40

260

20KPA104

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

20000 W

AVALANCHE

1

LONG FORM

Transient Suppressors

104 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

8 W

168.1 V

116.2 V

e3

40

260

SILICON

UL RECOGNIZED

P4SMA18C

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

400 W

AVALANCHE

1

SMALL OUTLINE

15.3 V

150 Cel

-55 Cel

Matte Tin (Sn)

R-PDSO-C2

1

BIDIRECTIONAL

3.3 W

EXCELLENT CLAMPING CAPABILITY

DO-214AC

16.2 V

e3

40

260

SILICON

19.8 V

UL RECOGNIZED

20KPA34

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

20000 W

AVALANCHE

1

LONG FORM

Transient Suppressors

34 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

8 W

57.5 V

38 V

e3

40

260

SILICON

UL RECOGNIZED

20KPA192CA

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

P4SMA100CA

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

400 W

100 V

AVALANCHE

1

SMALL OUTLINE

Transient Suppressors

85.5 V

150 Cel

-65 Cel

MATTE TIN

R-PDSO-C2

1

BIDIRECTIONAL

Not Qualified

3.3 W

DO-214AC

137 V

95 V

e3

40

260

SILICON

105 V

UL RECOGNIZED

P4SMA20CAAUTO

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

400 W

AVALANCHE

1

SMALL OUTLINE

17.1 V

150 Cel

-65 Cel

MATTE TIN

R-PDSO-C2

1

BIDIRECTIONAL

Not Qualified

3.3 W

DO-214AC

19 V

e3

SILICON

21 V

UL RECOGNIZED

20KPA172

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

20000 W

AVALANCHE

1

LONG FORM

Transient Suppressors

172 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

8 W

277.8 V

192.1 V

e3

40

260

SILICON

UL RECOGNIZED

20KPA144A

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

20000 W

AVALANCHE

1

LONG FORM

Transient Suppressors

144 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

8 W

232 V

160.8 V

e3

40

260

SILICON

UL RECOGNIZED

20KPA68

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

20000 W

AVALANCHE

1

LONG FORM

Transient Suppressors

68 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

8 W

110.5 V

76 V

e3

40

260

SILICON

UL RECOGNIZED

20KPA132C-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

20000 W

AVALANCHE

1

LONG FORM

Transient Suppressors

132 V

MATTE TIN

O-PALF-W2

1

BIDIRECTIONAL

ISOLATED

Not Qualified

8 W

213 V

147.4 V

e3

40

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.