Onsemi 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

SA60AG

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

500 W

70.2 V

ZENER

1

LONG FORM

Transient Suppressors

60 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

3 W

HIGH RELIABILITY

96.8 V

66.7 V

e3

SILICON

73.7 V

UL RECOGNIZED

NS6A14AFT3G

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

FLAT

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

500 W

16.4 V

ZENER

5 uA

1

14 V

SMALL OUTLINE

Transient Suppressors

14 V

150 Cel

-65 Cel

R-PDSO-F2

UNIDIRECTIONAL

.5 W

EXCELLENT CLAMPING CAPABILITY, LOW ZENER IMPEDANCE

23.2 V

15.6 V

SILICON

17.2 V

IEC-61000-4-2

PACDN006SM

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

GULL WING

8

YES

RECTANGULAR

PLASTIC/EPOXY

COMPLEX

AVALANCHE

12

SMALL OUTLINE

Transient Suppressors

TIN

R-PDSO-G8

1

UNIDIRECTIONAL

Not Qualified

.2 W

LOW CAPACITANCE

18 V

e3

SILICON

SA54CA

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

NO

Transient Suppressors

54 V

Tin/Lead (Sn/Pb)

BIDIRECTIONAL

87.1 V

e0

FCDN605-UBM

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

AVALANCHE

Transient Suppressors

BIDIRECTIONAL

12 V

SILICON

SA40ALFG

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

NO

46.55 V

Transient Suppressors

40 V

UNIDIRECTIONAL

64.5 V

MPTE-12RL4G

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

1500 W

ZENER

1

LONG FORM

Transient Suppressors

12 V

TIN

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

5 W

EXCELLENT CLAMPING CAPABILITY, HIGH RELIABILITY, LOW IMPEDANCE

21.2 V

14.1 V

e3

260

SILICON

SA170ALFG

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

NO

199 V

Transient Suppressors

170 V

UNIDIRECTIONAL

275 V

SA130CARL

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

500 W

ZENER

1

LONG FORM

Transient Suppressors

130 V

TIN LEAD

O-PALF-W2

BIDIRECTIONAL

ISOLATED

Not Qualified

3 W

HIGH RELIABILITY

209 V

144 V

e0

SILICON

159 V

UL RECOGNIZED

SL24T3G

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

300 W

27.85 V

AVALANCHE

1

SMALL OUTLINE

Transient Suppressors

24 V

150 Cel

-55 Cel

TIN

R-PDSO-G3

1

UNIDIRECTIONAL

Not Qualified

.225 W

TO-236

55 V

26.7 V

e3

SILICON

29 V

SMF64AT1

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

FLAT

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

1000 W

74.85 V

ZENER

1

SMALL OUTLINE

Transient Suppressors

64 V

TIN

R-PDSO-F2

UNIDIRECTIONAL

Not Qualified

.385 W

LOW IMPEDENCE, EXCELLENT CLAMPING CAPABILITY

103 V

71.1 V

e3

260

SILICON

78.6 V

SZNZQA5V6AXV5T1G

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

FLAT

5

YES

RECTANGULAR

PLASTIC/EPOXY

COMMON ANODE, 4 ELEMENTS

20 W

5.6 V

AVALANCHE

1 uA

4

3 V

SMALL OUTLINE

3 V

150 Cel

-55 Cel

Tin (Sn)

R-PDSO-F5

1

UNIDIRECTIONAL

.38 W

13 V

5.3 V

e3

30

260

SILICON

5.9 V

IEC-61000-4-2

SA110ARLG

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

500 W

128.5 V

ZENER

1

LONG FORM

Transient Suppressors

110 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

3 W

HIGH RELIABILITY

177 V

122 V

e3

SILICON

135 V

UL RECOGNIZED

SA85CARL

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

500 W

99.2 V

ZENER

1

LONG FORM

Transient Suppressors

85 V

O-PALF-W2

BIDIRECTIONAL

ISOLATED

Not Qualified

3 W

HIGH RELIABILITY

137 V

94.4 V

SILICON

104 V

UL RECOGNIZED

SA78ARL

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

500 W

ZENER

1

LONG FORM

Transient Suppressors

78 V

TIN

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

3 W

HIGH RELIABILITY

126 V

86.7 V

e3

260

SILICON

95.8 V

UL RECOGNIZED

1N6301CARL4

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

NO

170 V

Transient Suppressors

145 V

Tin/Lead (Sn/Pb)

BIDIRECTIONAL

234 V

e0

1PMT26AT3G

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

1 mA

SINGLE

26 V

1000 W

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

4.9 %

26 V

150 Cel

-55 Cel

R-PDSO-G2

UNIDIRECTIONAL

CATHODE

Not Qualified

.5 W

DO-216AA

28.9 V

NOT SPECIFIED

NOT SPECIFIED

SILICON

31.9 V

1.5SMC51AT3

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

1500 W

51 V

ZENER

1

SMALL OUTLINE

Transient Suppressors

43.6 V

Tin/Lead (Sn80Pb20)

R-PDSO-C2

UNIDIRECTIONAL

Not Qualified

.75 W

HIGH RELIABILITY

70.1 V

48.5 V

e0

30

235

SILICON

53.6 V

UL RECOGNIZED

SA7.5CA

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

500 W

ZENER

1

LONG FORM

Transient Suppressors

7.5 V

TIN LEAD

O-PALF-W2

BIDIRECTIONAL

ISOLATED

Not Qualified

3 W

HIGH RELIABILITY

12.9 V

8.33 V

e0

SILICON

9.21 V

UL RECOGNIZED

1SMC14AT3G

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

1500 W

16.4 V

ZENER

1

SMALL OUTLINE

Transient Suppressors

14 V

150 Cel

-65 Cel

TIN

R-PDSO-C2

1

UNIDIRECTIONAL

Not Qualified

.75 W

HIGH RELIABILITY

23.2 V

15.6 V

e3

30

260

SILICON

17.2 V

UL RECOGNIZED

1N6383

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

1500 W

ZENER

1

LONG FORM

Transient Suppressors

10 V

TIN LEAD

O-PALF-W2

BIDIRECTIONAL

ISOLATED

Not Qualified

5 W

HIGH RELIABILITY

14.5 V

11.7 V

e0

SILICON

FCDN614-UBM

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

AVALANCHE

Transient Suppressors

BIDIRECTIONAL

22 V

NOT SPECIFIED

NOT SPECIFIED

SILICON

1SMC13AT3G

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

1500 W

15.15 V

ZENER

1

SMALL OUTLINE

Transient Suppressors

13 V

150 Cel

-65 Cel

TIN

R-PDSO-C2

1

UNIDIRECTIONAL

Not Qualified

.75 W

HIGH RELIABILITY

21.5 V

14.4 V

e3

30

260

SILICON

15.9 V

UL RECOGNIZED

1.5SMC18AT3

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

1500 W

18 V

ZENER

1

SMALL OUTLINE

Transient Suppressors

15.3 V

TIN LEAD

R-PDSO-C2

1

UNIDIRECTIONAL

Not Qualified

.75 W

HIGH RELIABILITY

25.2 V

17.1 V

e0

235

SILICON

18.9 V

UL RECOGNIZED

DB473S6-TL-H

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

YES

Transient Suppressors

7.7 V

Tin/Bismuth (Sn/Bi)

1

UNIDIRECTIONAL

e6

ESDM2021MX4T5G

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

BOTTOM

NO LEAD

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

4.5 V

AVALANCHE

.1 uA

1

2 V

CHIP CARRIER

2 V

150 Cel

-55 Cel

R-PBCC-N2

BIDIRECTIONAL

.313 W

EXCELLENT CLAMPING CAPABILITY, LOW CAPACITANCE

6.4 V

3.7 V

NOT SPECIFIED

NOT SPECIFIED

SILICON

5.7 V

IEC-61000-4-2

MPTE-12RL4

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

1500 W

ZENER

1

LONG FORM

Transient Suppressors

12 V

TIN

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

5 W

EXCELLENT CLAMPING CAPABILITY, HIGH RELIABILITY, LOW IMPEDANCE

16.5 V

14.1 V

e3

260

SILICON

1N6381RL4G

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

1500 W

ZENER

1

LONG FORM

Transient Suppressors

45 V

175 Cel

-65 Cel

MATTE TIN

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

5 W

EXCELLENT CLAMPING CAPABILITY, HIGH RELIABILITY, LOW IMPEDANCE

78.9 V

52.9 V

e3

SILICON

SA26AG

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

500 W

30.4 V

ZENER

1

LONG FORM

Transient Suppressors

26 V

175 Cel

-55 Cel

Matte Tin (Sn)

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

3 W

HIGH RELIABILITY

42.1 V

28.9 V

e3

NOT SPECIFIED

NOT SPECIFIED

SILICON

31.9 V

UL RECOGNIZED

1PMT24AT1

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

SINGLE

GULL WING

2

YES

SQUARE

PLASTIC/EPOXY

1 mA

SINGLE

24 V

200 W

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

24 V

150 Cel

TIN LEAD

S-PSSO-G2

1

UNIDIRECTIONAL

CATHODE

Not Qualified

.5 W

DO-216AA

26.7 V

e0

235

SILICON

29.5 V

1PMT16AT1

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

SINGLE

GULL WING

2

YES

SQUARE

PLASTIC/EPOXY

1 mA

SINGLE

16 V

200 W

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

16 V

150 Cel

TIN LEAD

S-PSSO-G2

1

UNIDIRECTIONAL

CATHODE

Not Qualified

.5 W

DO-216AA

17.8 V

e0

235

SILICON

19.7 V

1SMC28AT3G

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

1500 W

32.75 V

ZENER

1

SMALL OUTLINE

Transient Suppressors

28 V

150 Cel

-65 Cel

TIN

R-PDSO-C2

1

UNIDIRECTIONAL

Not Qualified

.75 W

HIGH RELIABILITY

45.4 V

31.1 V

e3

30

260

SILICON

34.4 V

UL RECOGNIZED

MR2835SK

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

UNSPECIFIED

GULL WING

1

YES

ROUND

UNSPECIFIED

SINGLE

28 V

AVALANCHE

1

SMALL OUTLINE

Transient Suppressors

23 V

TIN

O-XXSO-G1

1

UNIDIRECTIONAL

CATHODE

Not Qualified

24 V

e3

260

SILICON

32 V

SMF26AT1

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

FLAT

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

1000 W

30.4 V

ZENER

1

SMALL OUTLINE

Transient Suppressors

26 V

TIN

R-PDSO-F2

UNIDIRECTIONAL

Not Qualified

.385 W

LOW IMPEDENCE, EXCELLENT CLAMPING CAPABILITY

42.1 V

28.9 V

e3

260

SILICON

31.9 V

1SMC26AT3

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

1500 W

ZENER

1

SMALL OUTLINE

Transient Suppressors

26 V

Tin/Lead (Sn/Pb)

R-PDSO-C2

1

UNIDIRECTIONAL

Not Qualified

.75 W

HIGH RELIABILITY

42.1 V

28.9 V

e0

30

235

SILICON

31.9 V

UL RECOGNIZED

SMF15AT1

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

FLAT

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

1000 W

17.6 V

ZENER

1

SMALL OUTLINE

Transient Suppressors

15 V

TIN

R-PDSO-F2

1

UNIDIRECTIONAL

Not Qualified

.385 W

LOW IMPEDENCE, EXCELLENT CLAMPING CAPABILITY

24.4 V

16.7 V

e3

260

SILICON

18.5 V

ICTE8RL4

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

NO

Transient Suppressors

8 V

Tin/Lead (Sn/Pb)

UNIDIRECTIONAL

11.5 V

e0

ESDL3552PFCT5G

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

BOTTOM

NO LEAD

3

YES

RECTANGULAR

PLASTIC/EPOXY

COMMON ANODE, 3 ELEMENTS

10.2 V

AVALANCHE

.05 uA

3

5 V

CHIP CARRIER

5 V

150 Cel

-55 Cel

MATTE TIN

R-PBCC-N3

1

UNIDIRECTIONAL

ISOLATED

.3 W

EXCELLENT CLAMPING CAPABILITY

18 V

6.5 V

e3

30

260

SILICON

11.5 V

IEC-61000-4-2, 4-5

SA33CARL

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

500 W

ZENER

1

LONG FORM

Transient Suppressors

33 V

TIN LEAD

O-PALF-W2

BIDIRECTIONAL

ISOLATED

Not Qualified

3 W

HIGH RELIABILITY

53.3 V

36.7 V

e0

SILICON

40.6 V

UL RECOGNIZED

SMF6.0AT1G

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

FLAT

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

1000 W

7.02 V

ZENER

1

SMALL OUTLINE

Transient Suppressors

7 V

150 Cel

-55 Cel

TIN

R-PDSO-F2

1

UNIDIRECTIONAL

Not Qualified

.385 W

EXCELLENT CLAMPING CAPABILITY, LOW ZENER IMPEDANCE

10.3 V

7.78 V

e3

30

260

SILICON

8.6 V

SMF130AT1G

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

FLAT

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

1000 W

151.5 V

ZENER

1

SMALL OUTLINE

Transient Suppressors

130 V

TIN

R-PDSO-F2

1

UNIDIRECTIONAL

Not Qualified

.385 W

LOW IMPEDENCE, EXCELLENT CLAMPING CAPABILITY

209 V

144 V

e3

260

SILICON

159 V

1PMT48AT3G

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

1 mA

SINGLE

48 V

1000 W

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

48 V

150 Cel

-55 Cel

R-PDSO-G2

UNIDIRECTIONAL

CATHODE

Not Qualified

.5 W

DO-216AA

53.3 V

NOT SPECIFIED

NOT SPECIFIED

SILICON

58.9 V

SMBJ6V5CA

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

600 W

7.6 V

AVALANCHE

1

SMALL OUTLINE

Transient Suppressors

6.5 V

150 Cel

-55 Cel

R-PDSO-C2

1

BIDIRECTIONAL

Not Qualified

DO-214AA

11.2 V

7.22 V

30

260

SILICON

7.98 V

UL RECOGNIZED

SA58A

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

500 W

ZENER

1

LONG FORM

Transient Suppressors

58 V

TIN

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

3 W

HIGH RELIABILITY

93.6 V

64.4 V

e3

260

SILICON

71.2 V

UL RECOGNIZED

SA160CARL

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

500 W

ZENER

1

LONG FORM

Transient Suppressors

160 V

175 Cel

-55 Cel

TIN LEAD

O-PALF-W2

BIDIRECTIONAL

ISOLATED

Not Qualified

3 W

HIGH RELIABILITY

259 V

178 V

e0

SILICON

197 V

SA13ARLG

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

500 W

15.15 V

ZENER

1

LONG FORM

Transient Suppressors

13 V

175 Cel

-55 Cel

TIN

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

3 W

HIGH RELIABILITY

21.5 V

14.4 V

e3

260

SILICON

15.9 V

UL RECOGNIZED

SA8.0ALF

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

500 W

9.36 V

ZENER

1

LONG FORM

Transient Suppressors

8 V

175 Cel

-55 Cel

TIN LEAD

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

3 W

HIGH RELIABILITY, LOW IMPEDANCE

13.6 V

8.89 V

e0

SILICON

9.83 V

UL RECOGNIZED

ESDM3032MXT5G

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

BOTTOM

NO LEAD

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

4.9 V

AVALANCHE

.1 uA

1

3.3 V

CHIP CARRIER

3.3 V

150 Cel

-55 Cel

R-PBCC-N2

BIDIRECTIONAL

.25 W

EXCELLENT CLAMPING CAPABILITY, LOW CAPACITANCE

8.5 V

4.1 V

NOT SPECIFIED

NOT SPECIFIED

SILICON

5.7 V

IEC-61000-4-2, 4-5

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.