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

20KPA104C-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

20000 W

AVALANCHE

1

LONG FORM

Transient Suppressors

104 V

MATTE TIN

O-PALF-W2

1

BIDIRECTIONAL

ISOLATED

Not Qualified

8 W

168 V

116.2 V

e3

40

260

SILICON

UL RECOGNIZED

20KPA216-B

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

P4SMA15CAAUTO

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

400 W

AVALANCHE

1

SMALL OUTLINE

12.8 V

150 Cel

-65 Cel

MATTE TIN

R-PDSO-C2

1

BIDIRECTIONAL

Not Qualified

3.3 W

DO-214AC

14.3 V

e3

SILICON

15.8 V

UL RECOGNIZED

20KPA204

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

20000 W

AVALANCHE

1

LONG FORM

Transient Suppressors

204 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

8 W

327.9 V

227.9 V

e3

40

260

SILICON

UL RECOGNIZED

20KPA56C-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

20000 W

AVALANCHE

1

LONG FORM

Transient Suppressors

56 V

MATTE TIN

O-PALF-W2

1

BIDIRECTIONAL

ISOLATED

Not Qualified

8 W

92.6 V

62.6 V

e3

40

260

SILICON

UL RECOGNIZED

P4SMA170

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

UNIDIRECTIONAL

3.3 W

EXCELLENT CLAMPING CAPABILITY

DO-214AC

153.45 V

e3

40

260

SILICON

187.55 V

UL RECOGNIZED

P4SMA22CAAUTO

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

400 W

AVALANCHE

1

SMALL OUTLINE

18.8 V

150 Cel

-65 Cel

MATTE TIN

R-PDSO-C2

1

BIDIRECTIONAL

Not Qualified

3.3 W

DO-214AC

20.9 V

e3

SILICON

23.1 V

UL RECOGNIZED

P4SMA24

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

YES

SINGLE

400 W

24 V

AVALANCHE

1

Transient Suppressors

20.5 V

Matte Tin (Sn)

1

UNIDIRECTIONAL

Not Qualified

34.9 V

22.8 V

e3

40

260

SILICON

25.2 V

20KPA36CA-B

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

BIDIRECTIONAL

ISOLATED

Not Qualified

8 W

61.5 V

40.2 V

e3

40

260

SILICON

UL RECOGNIZED

P4SMA22CA

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

400 W

22 V

AVALANCHE

1

SMALL OUTLINE

Transient Suppressors

18.8 V

150 Cel

-65 Cel

MATTE TIN

R-PDSO-C2

1

BIDIRECTIONAL

Not Qualified

3.3 W

DO-214AC

30.6 V

20.9 V

e3

40

260

SILICON

23.1 V

UL RECOGNIZED

P4SMA480CA

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

400 W

480 V

AVALANCHE

1

SMALL OUTLINE

Transient Suppressors

408 V

150 Cel

-65 Cel

MATTE TIN

R-PDSO-C2

1

BIDIRECTIONAL

Not Qualified

3.3 W

DO-214AC

658 V

456 V

e3

40

260

SILICON

504 V

UL RECOGNIZED

20KPA256CA

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

20000 W

AVALANCHE

1

LONG FORM

Transient Suppressors

256 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

1

BIDIRECTIONAL

ISOLATED

Not Qualified

8 W

412 V

286 V

e3

40

260

SILICON

UL RECOGNIZED

P4SMA18

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

UNIDIRECTIONAL

3.3 W

EXCELLENT CLAMPING CAPABILITY

DO-214AC

16.2 V

e3

40

260

SILICON

19.8 V

UL RECOGNIZED

P4SMA250CA

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

400 W

250 V

AVALANCHE

1

SMALL OUTLINE

Transient Suppressors

214 V

150 Cel

-65 Cel

MATTE TIN

R-PDSO-C2

1

BIDIRECTIONAL

Not Qualified

3.3 W

DO-214AC

344 V

237 V

e3

40

260

SILICON

263 V

UL RECOGNIZED

P4SMA20AAUTO

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

UNIDIRECTIONAL

Not Qualified

3.3 W

DO-214AC

19 V

e3

SILICON

21 V

UL RECOGNIZED

20KPA26CA

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

20000 W

AVALANCHE

1

LONG FORM

Transient Suppressors

26 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

1

BIDIRECTIONAL

ISOLATED

Not Qualified

8 W

44.7 V

29.04 V

e3

40

260

SILICON

UL RECOGNIZED

P4SMA47C

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

400 W

AVALANCHE

1

SMALL OUTLINE

40.2 V

150 Cel

-55 Cel

Matte Tin (Sn)

R-PDSO-C2

1

BIDIRECTIONAL

3.3 W

EXCELLENT CLAMPING CAPABILITY

DO-214AC

42.35 V

e3

40

260

SILICON

51.76 V

UL RECOGNIZED

20KPA28A-B

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

20KPA160CA-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

20000 W

AVALANCHE

1

LONG FORM

Transient Suppressors

160 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

1

BIDIRECTIONAL

ISOLATED

Not Qualified

8 W

258 V

178.7 V

e3

40

260

SILICON

UL RECOGNIZED

P4SMA11

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

YES

SINGLE

400 W

11 V

AVALANCHE

1

Transient Suppressors

9.4 V

Matte Tin (Sn)

1

UNIDIRECTIONAL

Not Qualified

16.4 V

10.5 V

e3

40

260

SILICON

11.6 V

20KPA40-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

20000 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

67.8 V

44.7 V

e3

40

260

SILICON

UL RECOGNIZED

20KPA72C-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

20000 W

AVALANCHE

1

LONG FORM

Transient Suppressors

72 V

MATTE TIN

O-PALF-W2

1

BIDIRECTIONAL

ISOLATED

Not Qualified

8 W

116 V

80.4 V

e3

40

260

SILICON

UL RECOGNIZED

20KPA192

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

307.7 V

214.5 V

e3

40

260

SILICON

UL RECOGNIZED

20KPA24

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

20000 W

AVALANCHE

1

LONG FORM

Transient Suppressors

24 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

8 W

41.2 V

26.81 V

e3

40

260

SILICON

UL RECOGNIZED

20KPA256A-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

20000 W

AVALANCHE

1

LONG FORM

Transient Suppressors

256 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

8 W

412 V

286 V

e3

40

260

SILICON

UL RECOGNIZED

20KPA256C

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

20000 W

AVALANCHE

1

LONG FORM

Transient Suppressors

256 V

MATTE TIN

O-PALF-W2

1

BIDIRECTIONAL

ISOLATED

Not Qualified

8 W

408.2 V

286 V

e3

40

260

SILICON

UL RECOGNIZED

20KPA112A

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

20000 W

AVALANCHE

1

LONG FORM

Transient Suppressors

112 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

8 W

182 V

125.1 V

e3

40

260

SILICON

UL RECOGNIZED

20KPA40

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

20000 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

67.8 V

44.7 V

e3

40

260

SILICON

UL RECOGNIZED

20KPA24A

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

20000 W

AVALANCHE

1

LONG FORM

Transient Suppressors

24 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

8 W

41.2 V

26.81 V

e3

40

260

SILICON

UL RECOGNIZED

P4SMA100A

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

UNIDIRECTIONAL

Not Qualified

3.3 W

DO-214AC

137 V

95 V

e3

40

260

SILICON

105 V

UL RECOGNIZED

20KPA112A-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

20000 W

AVALANCHE

1

LONG FORM

Transient Suppressors

112 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

8 W

182 V

125.1 V

e3

40

260

SILICON

UL RECOGNIZED

P4SMA120CA

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

400 W

120 V

AVALANCHE

1

SMALL OUTLINE

Transient Suppressors

102 V

150 Cel

-65 Cel

MATTE TIN

R-PDSO-C2

1

BIDIRECTIONAL

Not Qualified

3.3 W

DO-214AC

165 V

114 V

e3

40

260

SILICON

126 V

UL RECOGNIZED

20KPA144-B

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

P4SMA27AAUTO

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

-65 Cel

MATTE TIN

R-PDSO-C2

1

UNIDIRECTIONAL

Not Qualified

3.3 W

DO-214AC

25.7 V

e3

SILICON

28.4 V

UL RECOGNIZED

20KPA44-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

20000 W

AVALANCHE

1

LONG FORM

Transient Suppressors

44 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

8 W

72.7 V

49.1 V

e3

40

260

SILICON

UL RECOGNIZED

20KPA172A-B

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 V

192.1 V

e3

40

260

SILICON

UL RECOGNIZED

20KPA80CA

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

20000 W

AVALANCHE

1

LONG FORM

Transient Suppressors

80 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

1

BIDIRECTIONAL

ISOLATED

Not Qualified

8 W

130 V

89.4 V

e3

40

260

SILICON

UL RECOGNIZED

20KPA172C-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

20000 W

AVALANCHE

1

LONG FORM

Transient Suppressors

172 V

MATTE TIN

O-PALF-W2

1

BIDIRECTIONAL

ISOLATED

Not Qualified

8 W

277 V

192.1 V

e3

40

260

SILICON

UL RECOGNIZED

20KPA20A

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

P4SMA51C

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

400 W

AVALANCHE

1

SMALL OUTLINE

43.6 V

150 Cel

-55 Cel

Matte Tin (Sn)

R-PDSO-C2

1

BIDIRECTIONAL

3.3 W

EXCELLENT CLAMPING CAPABILITY

DO-214AC

45.95 V

e3

40

260

SILICON

56.16 V

UL RECOGNIZED

20KPA34A-B

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

P4SMA24CA

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

400 W

24 V

AVALANCHE

1

SMALL OUTLINE

Transient Suppressors

20.5 V

150 Cel

-65 Cel

MATTE TIN

R-PDSO-C2

1

BIDIRECTIONAL

Not Qualified

3.3 W

DO-214AC

33.2 V

22.8 V

e3

40

260

SILICON

25.2 V

UL RECOGNIZED

P4SMA24AAUTO

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

400 W

AVALANCHE

1

SMALL OUTLINE

20.5 V

150 Cel

-65 Cel

MATTE TIN

R-PDSO-C2

1

UNIDIRECTIONAL

Not Qualified

3.3 W

DO-214AC

22.8 V

e3

SILICON

25.2 V

UL RECOGNIZED

20KPA34CA

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

BIDIRECTIONAL

ISOLATED

Not Qualified

8 W

57.5 V

38 V

e3

40

260

SILICON

UL RECOGNIZED

P4SMA91CA

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

400 W

91 V

AVALANCHE

1

SMALL OUTLINE

Transient Suppressors

77.8 V

150 Cel

-65 Cel

MATTE TIN

R-PDSO-C2

1

BIDIRECTIONAL

Not Qualified

3.3 W

DO-214AC

125 V

86.5 V

e3

40

260

SILICON

95.5 V

UL RECOGNIZED

20KPA240C-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

20000 W

AVALANCHE

1

LONG FORM

Transient Suppressors

240 V

MATTE TIN

O-PALF-W2

1

BIDIRECTIONAL

ISOLATED

Not Qualified

8 W

387 V

268.1 V

e3

40

260

SILICON

UL RECOGNIZED

20KPA44A

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

20000 W

AVALANCHE

1

LONG FORM

Transient Suppressors

44 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

8 W

72.7 V

49.1 V

e3

40

260

SILICON

UL RECOGNIZED

P4SMA300

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

UNIDIRECTIONAL

3.3 W

EXCELLENT CLAMPING CAPABILITY

DO-214AC

270 V

e3

40

260

SILICON

330 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.