Onsemi Transient Suppression Devices 2,400+

Reset All
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

SZNZL6V8AXV3T3G

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

FLAT

3

YES

RECTANGULAR

PLASTIC/EPOXY

COMMON ANODE, 2 ELEMENTS

6.8 V

AVALANCHE

1 uA

2

4.5 V

SMALL OUTLINE

4.5 V

150 Cel

-55 Cel

R-PDSO-F3

UNIDIRECTIONAL

.24 W

6.46 V

NOT SPECIFIED

NOT SPECIFIED

SILICON

7.14 V

AEC-Q101, IEC-61000-4-2

NZQA6V8XV5T2

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

FLAT

5

YES

RECTANGULAR

PLASTIC/EPOXY

COMMON ANODE, 4 ELEMENTS

100 W

AVALANCHE

4

SMALL OUTLINE

MATTE TIN

R-PDSO-F5

UNIDIRECTIONAL

Not Qualified

.3 W

6.46 V

e3

SILICON

7.14 V

SA22ARLG

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

500 W

25.65 V

ZENER

1

LONG FORM

Transient Suppressors

22 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

3 W

HIGH RELIABILITY

35.5 V

24.4 V

e3

SILICON

26.9 V

UL RECOGNIZED

SMF170AT1G

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

FLAT

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

1000 W

199 V

ZENER

1

SMALL OUTLINE

Transient Suppressors

170 V

TIN

R-PDSO-F2

1

UNIDIRECTIONAL

Not Qualified

.385 W

LOW IMPEDENCE, EXCELLENT CLAMPING CAPABILITY

275 V

189 V

e3

260

SILICON

209 V

SMBJ160CA

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

600 W

188 V

AVALANCHE

1

SMALL OUTLINE

Transient Suppressors

160 V

150 Cel

-55 Cel

R-PDSO-C2

1

BIDIRECTIONAL

Not Qualified

DO-214AA

259 V

178 V

30

260

SILICON

197 V

UL RECOGNIZED

DF6A6.8FUT1

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

GULL WING

6

YES

RECTANGULAR

PLASTIC/EPOXY

2 BANKS, COMMON ANODE, 2 ELEMENTS

75 W

6.8 V

AVALANCHE

4

SMALL OUTLINE

Transient Suppressors

Tin/Lead (Sn/Pb)

R-PDSO-G6

UNIDIRECTIONAL

Not Qualified

.385 W

LOW CAPACITANCE

6.4 V

e0

235

SILICON

7.2 V

SA36AG

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

500 W

42.1 V

ZENER

1

LONG FORM

Transient Suppressors

36 V

175 Cel

-55 Cel

TIN

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

3 W

HIGH RELIABILITY

58.1 V

40 V

e3

260

SILICON

44.2 V

UL RECOGNIZED

TRA2532G

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

END

NO LEAD

2

YES

ROUND

CERAMIC, METAL-SEALED COFIRED

SINGLE

AVALANCHE

1

DISK BUTTON

175 Cel

-65 Cel

O-CEDB-N2

UNIDIRECTIONAL

Not Qualified

24 V

NOT SPECIFIED

NOT SPECIFIED

SILICON

32 V

1N6378RL4

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

1500 W

ZENER

1

LONG FORM

Transient Suppressors

18 V

TIN

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

5 W

HIGH RELIABILITY

25.2 V

21.2 V

e3

260

SILICON

1PMT22AT1G

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

SINGLE

GULL WING

2

YES

SQUARE

PLASTIC/EPOXY

1 mA

SINGLE

22 V

200 W

ZENER

1

SMALL OUTLINE

Voltage Reference Diodes

5 %

22 V

150 Cel

TIN

S-PSSO-G2

UNIDIRECTIONAL

CATHODE

Not Qualified

.5 W

DO-216AA

24.4 V

e3

260

SILICON

26.9 V

NSA5.0AFT3G

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

FLAT

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

400 W

AVALANCHE

1

SMALL OUTLINE

5 V

150 Cel

-65 Cel

MATTE TIN

R-PDSO-F2

UNIDIRECTIONAL

1.5 W

6.4 V

e3

SILICON

7 V

ICTE-15G

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

1500 W

ZENER

1

LONG FORM

Transient Suppressors

15 V

175 Cel

-65 Cel

MATTE TIN

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

5 W

EXCELLENT CLAMPING CAPABILITY, HIGH RELIABILITY, LOW IMPEDANCE

25 V

17.6 V

e3

SILICON

1SMC58AT3

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

1500 W

ZENER

1

SMALL OUTLINE

Transient Suppressors

58 V

TIN LEAD

R-PDSO-C2

1

UNIDIRECTIONAL

Not Qualified

.75 W

HIGH RELIABILITY

93.6 V

64.4 V

e0

235

SILICON

71.2 V

UL RECOGNIZED

SA33ALFG

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

NO

38.65 V

Transient Suppressors

33 V

UNIDIRECTIONAL

53.3 V

SA51ARL

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

500 W

ZENER

1

LONG FORM

Transient Suppressors

51 V

TIN LEAD

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

3 W

HIGH RELIABILITY

82.4 V

56.7 V

e0

SILICON

62.7 V

UL RECOGNIZED

1SMC7.5AT3G

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

1500 W

8.77 V

ZENER

1

SMALL OUTLINE

Transient Suppressors

7.5 V

150 Cel

-65 Cel

TIN

R-PDSO-C2

1

UNIDIRECTIONAL

Not Qualified

.75 W

HIGH RELIABILITY

12.9 V

8.33 V

e3

30

260

SILICON

9.21 V

UL RECOGNIZED

MMQA6V8T3G

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

GULL WING

6

YES

RECTANGULAR

PLASTIC/EPOXY

COMMON ANODE, 4 ELEMENTS

150 W

6.8 V

ZENER

4

SMALL OUTLINE

Transient Suppressors

4.3 V

150 Cel

-55 Cel

MATTE TIN

R-PDSO-G6

UNIDIRECTIONAL

Not Qualified

.225 W

9.8 V

6.46 V

e3

SILICON

7.14 V

SMF28AG

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

YES

32.8 V

Transient Suppressors

28 V

MATTE TIN

1

UNIDIRECTIONAL

45.4 V

e3

MPTE-45RL4

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

1500 W

53 V

ZENER

1

LONG FORM

Transient Suppressors

45 V

175 Cel

-65 Cel

TIN LEAD

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

5 W

EXCELLENT CLAMPING CAPABILITY, HIGH RELIABILITY, LOW IMPEDANCE

70 V

52.9 V

e0

SILICON

1SMC6.0AT3G

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

1500 W

7.02 V

ZENER

1

SMALL OUTLINE

Transient Suppressors

6 V

150 Cel

-65 Cel

TIN

R-PDSO-C2

1

UNIDIRECTIONAL

Not Qualified

.75 W

HIGH RELIABILITY

10.3 V

6.67 V

e3

30

260

SILICON

7.37 V

UL RECOGNIZED

1N6301ARL

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

1 mA

SINGLE

170 V

1500 W

AVALANCHE

1

LONG FORM

Voltage Reference Diodes

5.3 %

175 Cel

-65 Cel

TIN LEAD

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

5 W

HIGH RELIABILITY, LOW IMPEDANCE

162 V

e0

SILICON

179 V

UL RECOGNIZED

HBL1010BRP

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

UNSPECIFIED

NO LEAD

2

YES

RECTANGULAR

UNSPECIFIED

COMMON ANODE, 2 ELEMENTS

8 V

ZENER

100 uA

2

7 V

UNCASED CHIP

130 Cel

-40 Cel

R-XUUC-N2

UNIDIRECTIONAL

7.3 V

SILICON

8.9 V

1SMC28AT3

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

1500 W

ZENER

1

SMALL OUTLINE

Transient Suppressors

28 V

Tin/Lead (Sn/Pb)

R-PDSO-C2

1

UNIDIRECTIONAL

Not Qualified

.75 W

HIGH RELIABILITY

45.4 V

31.1 V

e0

30

235

SILICON

34.4 V

UL RECOGNIZED

1.5SMC56AT3

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

1500 W

56 V

ZENER

1

SMALL OUTLINE

Transient Suppressors

47.8 V

TIN LEAD

R-PDSO-C2

1

UNIDIRECTIONAL

Not Qualified

.75 W

HIGH RELIABILITY

77 V

53.2 V

e0

235

SILICON

58.8 V

UL RECOGNIZED

SA22ALF

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

500 W

25.65 V

ZENER

1

LONG FORM

Transient Suppressors

22 V

175 Cel

-55 Cel

TIN LEAD

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

3 W

HIGH RELIABILITY, LOW IMPEDANCE

35.5 V

24.4 V

e0

SILICON

26.9 V

UL RECOGNIZED

SMF15CT1G

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

GULL WING

6

YES

RECTANGULAR

PLASTIC/EPOXY

COMMON ANODE, 5 ELEMENTS

100 W

18 V

AVALANCHE

5

SMALL OUTLINE

Transient Suppressors

15 V

125 Cel

-40 Cel

MATTE TIN

R-PDSO-G6

1

UNIDIRECTIONAL

Not Qualified

29 V

17 V

e3

30

260

SILICON

19 V

SA45ARLG

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

500 W

52.65 V

ZENER

1

LONG FORM

Transient Suppressors

45 V

TIN

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

3 W

HIGH RELIABILITY

72.7 V

50 V

e3

260

SILICON

55.3 V

UL RECOGNIZED

MPTE-5

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

1500 W

ZENER

1

LONG FORM

Transient Suppressors

5 V

175 Cel

-65 Cel

TIN LEAD

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

5 W

EXCELLENT CLAMPING CAPABILITY, HIGH RELIABILITY, LOW IMPEDANCE

7.5 V

6 V

e0

SILICON

HBL1060BRP

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

UPPER

NO LEAD

2

YES

RECTANGULAR

UNSPECIFIED

SINGLE

1.5 V

60 V

AVALANCHE

100 uA

1

54 V

UNCASED CHIP

130 Cel

-40 Cel

R-XUUC-N2

UNIDIRECTIONAL

55 V

SILICON

65 V

SMF12CT1

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

GULL WING

6

YES

RECTANGULAR

PLASTIC/EPOXY

COMMON ANODE, 5 ELEMENTS

100 W

14.1 V

AVALANCHE

5

SMALL OUTLINE

Transient Suppressors

12 V

TIN LEAD

R-PDSO-G6

UNIDIRECTIONAL

Not Qualified

23 V

13.3 V

e0

235

SILICON

15 V

SA7.0ALFG

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

NO

8.19 V

Transient Suppressors

7 V

UNIDIRECTIONAL

12 V

SA64ALFRLG

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

500 W

ZENER

1

LONG FORM

64 V

175 Cel

-55 Cel

MATTE TIN

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

3 W

HIGH RELIABILITY

71.1 V

e3

SILICON

78.6 V

UL RECOGNIZED

1SMC7.5AT3

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

1500 W

ZENER

1

SMALL OUTLINE

Transient Suppressors

7.5 V

TIN LEAD

R-PDSO-C2

1

UNIDIRECTIONAL

Not Qualified

.75 W

HIGH RELIABILITY

12.9 V

8.33 V

e0

235

SILICON

9.21 V

UL RECOGNIZED

SMF150AT1

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

FLAT

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

1000 W

176 V

ZENER

1

SMALL OUTLINE

Transient Suppressors

150 V

TIN

R-PDSO-F2

1

UNIDIRECTIONAL

Not Qualified

.385 W

LOW IMPEDENCE, EXCELLENT CLAMPING CAPABILITY

243 V

167 V

e3

260

SILICON

185 V

SA20A

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

500 W

ZENER

1

LONG FORM

Transient Suppressors

20 V

175 Cel

-55 Cel

TIN

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

3 W

HIGH RELIABILITY

32.4 V

22.2 V

e3

260

SILICON

24.5 V

UL RECOGNIZED

1SMC7.0AT3G

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

1500 W

8.19 V

ZENER

1

SMALL OUTLINE

Transient Suppressors

7 V

TIN

R-PDSO-C2

1

UNIDIRECTIONAL

Not Qualified

.75 W

HIGH RELIABILITY

12 V

7.78 V

e3

40

260

SILICON

8.6 V

UL RECOGNIZED

HBL2020RP

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

UPPER

NO LEAD

1

YES

SQUARE

UNSPECIFIED

SINGLE

AVALANCHE

.5 uA

1

UNCASED CHIP

150 Cel

-40 Cel

S-XUUC-N1

BIDIRECTIONAL

22 V

SILICON

SL15T3

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

300 W

17.6 V

AVALANCHE

1

SMALL OUTLINE

Transient Suppressors

15 V

TIN LEAD

R-PDSO-G3

1

UNIDIRECTIONAL

Not Qualified

.225 W

TO-236

30 V

16.7 V

e0

SILICON

18.5 V

MPTE-15CRL4

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

1500 W

18 V

ZENER

1

LONG FORM

Transient Suppressors

15 V

175 Cel

-65 Cel

TIN LEAD

O-PALF-W2

BIDIRECTIONAL

ISOLATED

Not Qualified

5 W

HIGH RELIABILITY

21.4 V

17.6 V

e0

SILICON

MPTE-45

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

1500 W

53 V

ZENER

1

LONG FORM

Transient Suppressors

45 V

175 Cel

-65 Cel

TIN LEAD

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

5 W

EXCELLENT CLAMPING CAPABILITY, HIGH RELIABILITY, LOW IMPEDANCE

70 V

52.9 V

e0

SILICON

SA8.0ARL

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

TIN

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

3 W

HIGH RELIABILITY

13.6 V

8.89 V

e3

260

SILICON

9.83 V

UL RECOGNIZED

SL24T1

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

TIN LEAD

R-PDSO-G3

1

UNIDIRECTIONAL

Not Qualified

.225 W

TO-236

55 V

26.7 V

e0

235

SILICON

29 V

PACDN045-LF

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

NICKEL PALLADIUM GOLD

1

e4

30

260

SA45ARL

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

500 W

ZENER

1

LONG FORM

Transient Suppressors

45 V

TIN

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

3 W

HIGH RELIABILITY

72.7 V

50 V

e3

260

SILICON

55.3 V

UL RECOGNIZED

MPTE-12G

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

1500 W

ZENER

1

LONG FORM

Transient Suppressors

12 V

175 Cel

-65 Cel

MATTE TIN

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

5 W

EXCELLENT CLAMPING CAPABILITY, HIGH RELIABILITY, LOW IMPEDANCE

21.2 V

14.1 V

e3

SILICON

ICTE-36RLG

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

1500 W

42.4 V

ZENER

1

LONG FORM

Transient Suppressors

36 V

175 Cel

-65 Cel

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

5 W

EXCELLENT CLAMPING CAPABILITY, HIGH RELIABILITY, LOW IMPEDANCE

65.2 V

42.4 V

SILICON

SMF16AG

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

YES

18.75 V

Transient Suppressors

16 V

MATTE TIN

1

UNIDIRECTIONAL

26 V

e3

SA17ALF

Onsemi

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

500 W

19.9 V

ZENER

1

LONG FORM

Transient Suppressors

17 V

175 Cel

-55 Cel

TIN LEAD

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

3 W

HIGH RELIABILITY, LOW IMPEDANCE

27.6 V

18.9 V

e0

SILICON

20.9 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.