Littelfuse Transient Suppression Devices 1,788

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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

15KPA28-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

15000 W

32.8 V

AVALANCHE

1

LONG FORM

Transient Suppressors

28 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

8 W

49.9 V

31.28 V

e3

40

260

SILICON

UL RECOGNIZED

15KPA28C-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

15000 W

AVALANCHE

1

LONG FORM

28 V

MATTE TIN

O-PALF-W2

1

BIDIRECTIONAL

ISOLATED

Not Qualified

8 W

31.28 V

e3

40

260

SILICON

UL RECOGNIZED

15KPA30-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

15000 W

35.1 V

AVALANCHE

1

LONG FORM

Transient Suppressors

30 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

8 W

53.2 V

33.51 V

e3

40

260

SILICON

UL RECOGNIZED

15KPA30C-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

15000 W

AVALANCHE

1

LONG FORM

30 V

MATTE TIN

O-PALF-W2

1

BIDIRECTIONAL

ISOLATED

Not Qualified

8 W

33.51 V

e3

40

260

SILICON

UL RECOGNIZED

15KPA33-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

15000 W

38.7 V

AVALANCHE

1

LONG FORM

Transient Suppressors

33 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

8 W

57.4 V

36.9 V

e3

40

260

SILICON

UL RECOGNIZED

15KPA33C-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

15000 W

AVALANCHE

1

LONG FORM

33 V

MATTE TIN

O-PALF-W2

1

BIDIRECTIONAL

ISOLATED

Not Qualified

8 W

36.9 V

e3

40

260

SILICON

UL RECOGNIZED

15KPA36-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

15000 W

42.1 V

AVALANCHE

1

LONG FORM

Transient Suppressors

36 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

8 W

62.8 V

40.2 V

e3

40

260

SILICON

UL RECOGNIZED

15KPA36C-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

15000 W

AVALANCHE

1

LONG FORM

36 V

MATTE TIN

O-PALF-W2

1

BIDIRECTIONAL

ISOLATED

Not Qualified

8 W

40.2 V

e3

40

260

SILICON

UL RECOGNIZED

15KPA40-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

15000 W

46.8 V

AVALANCHE

1

LONG FORM

Transient Suppressors

40 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

8 W

69.1 V

44.7 V

e3

40

260

SILICON

UL RECOGNIZED

15KPA40C-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

15000 W

AVALANCHE

1

LONG FORM

40 V

MATTE TIN

O-PALF-W2

1

BIDIRECTIONAL

ISOLATED

Not Qualified

8 W

44.7 V

e3

40

260

SILICON

UL RECOGNIZED

15KPA43-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

15000 W

50.3 V

AVALANCHE

1

LONG FORM

Transient Suppressors

43 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

8 W

73.3 V

48 V

e3

40

260

SILICON

UL RECOGNIZED

15KPA43C-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

15000 W

AVALANCHE

1

LONG FORM

43 V

MATTE TIN

O-PALF-W2

1

BIDIRECTIONAL

ISOLATED

Not Qualified

8 W

48 V

e3

40

260

SILICON

UL RECOGNIZED

15KPA45-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

15000 W

52.7 V

AVALANCHE

1

LONG FORM

Transient Suppressors

45 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

8 W

76.4 V

50.3 V

e3

40

260

SILICON

UL RECOGNIZED

15KPA45C-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

15000 W

AVALANCHE

1

LONG FORM

45 V

MATTE TIN

O-PALF-W2

1

BIDIRECTIONAL

ISOLATED

Not Qualified

8 W

50.3 V

e3

40

260

SILICON

UL RECOGNIZED

15KPA48-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

15000 W

56.2 V

AVALANCHE

1

LONG FORM

Transient Suppressors

48 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

8 W

81.6 V

53.6 V

e3

40

260

SILICON

UL RECOGNIZED

15KPA48C-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

15000 W

AVALANCHE

1

LONG FORM

48 V

MATTE TIN

O-PALF-W2

1

BIDIRECTIONAL

ISOLATED

Not Qualified

8 W

53.6 V

e3

40

260

SILICON

UL RECOGNIZED

15KPA51-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

15000 W

59.7 V

AVALANCHE

1

LONG FORM

Transient Suppressors

51 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

8 W

87 V

57 V

e3

40

260

SILICON

UL RECOGNIZED

15KPA51C-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

15000 W

AVALANCHE

1

LONG FORM

51 V

MATTE TIN

O-PALF-W2

1

BIDIRECTIONAL

ISOLATED

Not Qualified

8 W

57 V

e3

40

260

SILICON

UL RECOGNIZED

15KPA54-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

15000 W

63.2 V

AVALANCHE

1

LONG FORM

Transient Suppressors

54 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

8 W

92.1 V

60.3 V

e3

40

260

SILICON

UL RECOGNIZED

15KPA54C-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

15000 W

AVALANCHE

1

LONG FORM

54 V

MATTE TIN

O-PALF-W2

1

BIDIRECTIONAL

ISOLATED

Not Qualified

8 W

60.3 V

e3

40

260

SILICON

UL RECOGNIZED

15KPA58-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

15000 W

67.9 V

AVALANCHE

1

LONG FORM

Transient Suppressors

58 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

8 W

98.5 V

64.8 V

e3

40

260

SILICON

UL RECOGNIZED

15KPA58C-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

15000 W

AVALANCHE

1

LONG FORM

58 V

MATTE TIN

O-PALF-W2

1

BIDIRECTIONAL

ISOLATED

Not Qualified

8 W

64.8 V

e3

40

260

SILICON

UL RECOGNIZED

15KPA60-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

15000 W

70.2 V

AVALANCHE

1

LONG FORM

Transient Suppressors

60 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

8 W

102.3 V

67 V

e3

40

260

SILICON

UL RECOGNIZED

15KPA60C-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

15000 W

AVALANCHE

1

LONG FORM

60 V

MATTE TIN

O-PALF-W2

1

BIDIRECTIONAL

ISOLATED

Not Qualified

8 W

67 V

e3

40

260

SILICON

UL RECOGNIZED

15KPA64-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

15000 W

74.9 V

AVALANCHE

1

LONG FORM

Transient Suppressors

64 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

8 W

109.4 V

71.5 V

e3

40

260

SILICON

UL RECOGNIZED

15KPA64C-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

15000 W

AVALANCHE

1

LONG FORM

64 V

MATTE TIN

O-PALF-W2

1

BIDIRECTIONAL

ISOLATED

Not Qualified

8 W

71.5 V

e3

40

260

SILICON

UL RECOGNIZED

15KPA70-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

15000 W

81.9 V

AVALANCHE

1

LONG FORM

Transient Suppressors

70 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

8 W

119.3 V

78.2 V

e3

40

260

SILICON

UL RECOGNIZED

15KPA70C-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

15000 W

AVALANCHE

1

LONG FORM

70 V

MATTE TIN

O-PALF-W2

1

BIDIRECTIONAL

ISOLATED

Not Qualified

8 W

78.2 V

e3

40

260

SILICON

UL RECOGNIZED

15KPA75-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

15000 W

87.8 V

AVALANCHE

1

LONG FORM

Transient Suppressors

75 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

8 W

128.1 V

83.8 V

e3

40

260

SILICON

UL RECOGNIZED

15KPA75C-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

15000 W

AVALANCHE

1

LONG FORM

75 V

MATTE TIN

O-PALF-W2

1

BIDIRECTIONAL

ISOLATED

Not Qualified

8 W

83.8 V

e3

40

260

SILICON

UL RECOGNIZED

15KPA78-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

15000 W

91.3 V

AVALANCHE

1

LONG FORM

Transient Suppressors

78 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

8 W

132.4 V

87.1 V

e3

40

260

SILICON

UL RECOGNIZED

15KPA78C-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

15000 W

AVALANCHE

1

LONG FORM

78 V

MATTE TIN

O-PALF-W2

1

BIDIRECTIONAL

ISOLATED

Not Qualified

8 W

87.1 V

e3

40

260

SILICON

UL RECOGNIZED

15KPA85-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

15000 W

99.5 V

AVALANCHE

1

LONG FORM

Transient Suppressors

85 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

8 W

144.5 V

94.9 V

e3

40

260

SILICON

UL RECOGNIZED

15KPA85C-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

15000 W

AVALANCHE

1

LONG FORM

85 V

MATTE TIN

O-PALF-W2

1

BIDIRECTIONAL

ISOLATED

Not Qualified

8 W

94.9 V

e3

40

260

SILICON

UL RECOGNIZED

15KPA90-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

15000 W

105.3 V

AVALANCHE

1

LONG FORM

Transient Suppressors

90 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

8 W

152.9 V

100.5 V

e3

40

260

SILICON

UL RECOGNIZED

15KPA90C-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

15000 W

AVALANCHE

1

LONG FORM

90 V

MATTE TIN

O-PALF-W2

1

BIDIRECTIONAL

ISOLATED

Not Qualified

8 W

100.5 V

e3

40

260

SILICON

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

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

20KPA112-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

20KPA112C-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

20000 W

AVALANCHE

1

LONG FORM

Transient Suppressors

112 V

MATTE TIN

O-PALF-W2

1

BIDIRECTIONAL

ISOLATED

Not Qualified

8 W

182 V

125.1 V

e3

40

260

SILICON

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

20KPA120C-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

20000 W

AVALANCHE

1

LONG FORM

Transient Suppressors

120 V

MATTE TIN

O-PALF-W2

1

BIDIRECTIONAL

ISOLATED

Not Qualified

8 W

194 V

134 V

e3

40

260

SILICON

UL RECOGNIZED

20KPA132-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

20000 W

AVALANCHE

1

LONG FORM

Transient Suppressors

132 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

1

UNIDIRECTIONAL

ISOLATED

Not Qualified

8 W

213 V

147.4 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

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

20KPA144C-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

20000 W

AVALANCHE

1

LONG FORM

Transient Suppressors

144 V

MATTE TIN

O-PALF-W2

1

BIDIRECTIONAL

ISOLATED

Not Qualified

8 W

232 V

160.8 V

e3

40

260

SILICON

UL RECOGNIZED

20KPA160-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

UNIDIRECTIONAL

ISOLATED

Not Qualified

8 W

258 V

178.7 V

e3

40

260

SILICON

UL RECOGNIZED

20KPA160C-B

Littelfuse

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

20000 W

AVALANCHE

1

LONG FORM

Transient Suppressors

160 V

MATTE TIN

O-PALF-W2

1

BIDIRECTIONAL

ISOLATED

Not Qualified

8 W

258 V

178.7 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.