STMicroelectronics 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

SM15T7V5A-TR

STMicroelectronics

TRANS VOLTAGE SUPPRESSOR DIODE

MATTE TIN

1

e3

245

BZW04-213BRL

STMicroelectronics

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

400 W

AVALANCHE

5 uA

1

LONG FORM

Transient Suppressors

213 V

175 Cel

MATTE TIN

O-PALF-W2

BIDIRECTIONAL

ISOLATED

Not Qualified

1.7 W

50 pF

DO-15

442 V

237 V

e3

SILICON

UL RECOGNIZED

SM15T10CAY

STMicroelectronics

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

1500 W

10 V

AVALANCHE

10 uA

1

8.55 V

SMALL OUTLINE

8.55 V

150 Cel

-40 Cel

R-PDSO-C2

BIDIRECTIONAL

DO-214AB

18.6 V

9.5 V

NOT SPECIFIED

NOT SPECIFIED

SILICON

10.5 V

AEC-Q101; ISO 7637-2; ISO 10605

BZW04-5V8B

STMicroelectronics

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

400 W

6.8 V

AVALANCHE

1000 uA

1

LONG FORM

Transient Suppressors

5.8 V

175 Cel

MATTE TIN

O-PALF-W2

BIDIRECTIONAL

ISOLATED

Not Qualified

1.7 W

1750 pF

DO-15

13.4 V

6.45 V

e3

SILICON

UL RECOGNIZED

BZW06-6V4

STMicroelectronics

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

600 W

7.5 V

AVALANCHE

500 uA

1

LONG FORM

Transient Suppressors

6.4 V

175 Cel

MATTE TIN

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

1.7 W

3700 pF

DO-15

14.5 V

7.13 V

e3

SILICON

UL RECOGNIZED

SM4T200A

STMicroelectronics

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

400 W

200 V

AVALANCHE

5 uA

1

SMALL OUTLINE

Transient Suppressors

171 V

150 Cel

R-PDSO-C2

UNIDIRECTIONAL

Not Qualified

5 W

120 pF

353 V

190 V

SILICON

210 V

BZW04-44BRL

STMicroelectronics

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

400 W

51 V

AVALANCHE

5 uA

1

LONG FORM

175 Cel

O-PALF-W2

BIDIRECTIONAL

ISOLATED

Not Qualified

1.7 W

175 pF

91 V

48.5 V

SILICON

53.6 V

UL RECOGNIZED

ESDA17P100-1U2M

STMicroelectronics

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

NO LEAD

6

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

4800 W

AVALANCHE

1

SMALL OUTLINE

15 V

150 Cel

-55 Cel

R-PDSO-N6

1

UNIDIRECTIONAL

ANODE

15.7 V

SILICON

17.7 V

IEC-61000-4-2

SM15T12

STMicroelectronics

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

1500 W

12 V

AVALANCHE

1

SMALL OUTLINE

Transient Suppressors

9.7 V

150 Cel

MATTE TIN

R-PDSO-C2

UNIDIRECTIONAL

Not Qualified

5 W

17.3 V

11.4 V

e3

SILICON

13.2 V

UL RECOGNIZED

1.5KE7V5A

STMicroelectronics

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

1500 W

7.5 V

AVALANCHE

500 uA

1

LONG FORM

Transient Suppressors

6.4 V

175 Cel

MATTE TIN

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

5 W

8500 pF

DO-201

14.5 V

7.13 V

e3

SILICON

7.88 V

UL RECOGNIZED

BZW04P78RL

STMicroelectronics

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

400 W

91 V

AVALANCHE

5 uA

1

LONG FORM

175 Cel

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

1.7 W

210 pF

162 V

86.5 V

SILICON

100 V

UL RECOGNIZED

1N5638

STMicroelectronics

TRANS VOLTAGE SUPPRESSOR DIODE

NO

16 V

Transient Suppressors

13 V

TIN LEAD

UNIDIRECTIONAL

23.5 V

e0

BZW06-7V0RL

STMicroelectronics

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

600 W

8.2 V

AVALANCHE

200 uA

1

LONG FORM

175 Cel

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

1.7 W

3400 pF

15.5 V

7.79 V

SILICON

8.61 V

UL RECOGNIZED

BZW07-27B

STMicroelectronics

TRANS VOLTAGE SUPPRESSOR DIODE

NO

36 V

Transient Suppressors

27 V

TIN LEAD

BIDIRECTIONAL

53 V

e0

1.5KE33P

STMicroelectronics

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

1500 W

33 V

AVALANCHE

5 uA

1

LONG FORM

Transient Suppressors

28 V

175 Cel

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

5 W

2700 pF

59 V

31.4 V

SILICON

36.3 V

UL RECOGNIZED

P6KE33CPRL

STMicroelectronics

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

600 W

33 V

AVALANCHE

5 uA

1

LONG FORM

175 Cel

-65 Cel

O-PALF-W2

BIDIRECTIONAL

ISOLATED

Not Qualified

5 W

500 pF

59 V

31.4 V

SILICON

36.3 V

UL RECOGNIZED

BZW04-26

STMicroelectronics

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

400 W

30 V

AVALANCHE

5 uA

1

LONG FORM

Transient Suppressors

26 V

175 Cel

MATTE TIN

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

1.7 W

575 pF

DO-15

53.5 V

28.5 V

e3

SILICON

UL RECOGNIZED

1.5KE47PRL

STMicroelectronics

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

1500 W

47 V

AVALANCHE

5 uA

1

LONG FORM

175 Cel

TIN

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

5 W

2050 pF

84 V

44.7 V

e3

SILICON

51.7 V

UL RECOGNIZED

1.5KE47CP

STMicroelectronics

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

1500 W

47 V

AVALANCHE

5 uA

1

LONG FORM

Transient Suppressors

40 V

175 Cel

Tin/Lead (Sn/Pb)

O-PALF-W2

BIDIRECTIONAL

ISOLATED

Not Qualified

5 W

1025 pF

84 V

44.7 V

e0

SILICON

51.7 V

UL RECOGNIZED

BZW06P85

STMicroelectronics

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

600 W

100 V

AVALANCHE

5 uA

1

LONG FORM

Transient Suppressors

86 V

175 Cel

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

1.7 W

500 pF

178 V

95 V

SILICON

110 V

UL RECOGNIZED

BZW04-273RL

STMicroelectronics

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

400 W

AVALANCHE

5 uA

1

LONG FORM

Transient Suppressors

273 V

175 Cel

MATTE TIN

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

1.7 W

85 pF

DO-15

564 V

304 V

e3

SILICON

UL RECOGNIZED

BZW04P58

STMicroelectronics

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

400 W

68 V

AVALANCHE

5 uA

1

LONG FORM

Transient Suppressors

58 V

175 Cel

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

1.7 W

270 pF

121 V

64.6 V

SILICON

74.8 V

UL RECOGNIZED

SM4T18A

STMicroelectronics

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

400 W

18 V

AVALANCHE

5 uA

1

SMALL OUTLINE

Transient Suppressors

15 V

150 Cel

R-PDSO-C2

UNIDIRECTIONAL

Not Qualified

5 W

975 pF

32.5 V

17.1 V

SILICON

18.9 V

ESDA5-1BF4

STMicroelectronics

TRANS VOLTAGE SUPPRESSOR DIODE

BOTTOM

NO LEAD

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

110 W

AVALANCHE

1

CHIP CARRIER

5 V

150 Cel

-40 Cel

R-PBCC-N2

BIDIRECTIONAL

5.8 V

NOT SPECIFIED

NOT SPECIFIED

SILICON

IEC-61000-4-2

BZW04-6V4B

STMicroelectronics

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

400 W

7.5 V

AVALANCHE

500 uA

1

LONG FORM

Transient Suppressors

6.4 V

175 Cel

MATTE TIN

O-PALF-W2

BIDIRECTIONAL

ISOLATED

Not Qualified

1.7 W

1550 pF

DO-15

14.5 V

7.13 V

e3

SILICON

UL RECOGNIZED

BZW06-37RL

STMicroelectronics

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

600 W

43 V

AVALANCHE

5 uA

1

LONG FORM

175 Cel

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

1.7 W

850 pF

76.8 V

40.9 V

NOT SPECIFIED

NOT SPECIFIED

SILICON

45.2 V

UL RECOGNIZED

BZW04P299RL

STMicroelectronics

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

400 W

350 V

AVALANCHE

5 uA

1

LONG FORM

175 Cel

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

1.7 W

80 pF

618 V

332 V

SILICON

385 V

UL RECOGNIZED

BZW04P102RL

STMicroelectronics

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

400 W

120 V

AVALANCHE

5 uA

1

LONG FORM

175 Cel

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

1.7 W

170 pF

212 V

114 V

SILICON

132 V

UL RECOGNIZED

BZW06P15

STMicroelectronics

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

600 W

18 V

AVALANCHE

5 uA

1

LONG FORM

Transient Suppressors

15 V

175 Cel

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

1.7 W

1600 pF

32.5 V

17.1 V

SILICON

19.8 V

UL RECOGNIZED

P6KE39P

STMicroelectronics

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

600 W

39 V

AVALANCHE

5 uA

1

LONG FORM

Transient Suppressors

33 V

175 Cel

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

5 W

900 pF

69.7 V

37.1 V

SILICON

42.9 V

UL RECOGNIZED

BZW04-13RL

STMicroelectronics

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

400 W

AVALANCHE

5 uA

1

LONG FORM

Transient Suppressors

13 V

175 Cel

MATTE TIN

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

1.7 W

1200 pF

DO-15

27.2 V

14.3 V

e3

SILICON

UL RECOGNIZED

BZW04-9V4BRL

STMicroelectronics

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

400 W

11 V

AVALANCHE

5 uA

1

LONG FORM

175 Cel

O-PALF-W2

BIDIRECTIONAL

ISOLATED

Not Qualified

1.7 W

875 pF

20.3 V

10.5 V

SILICON

11.6 V

UL RECOGNIZED

1.5KE170ARL

STMicroelectronics

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

1500 W

170 V

AVALANCHE

5 uA

1

LONG FORM

175 Cel

TIN

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

5 W

750 pF

301 V

161 V

e3

SILICON

179 V

UL RECOGNIZED

BZW04P53BRL

STMicroelectronics

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

400 W

62 V

AVALANCHE

5 uA

1

LONG FORM

175 Cel

O-PALF-W2

BIDIRECTIONAL

ISOLATED

Not Qualified

1.7 W

145 pF

111 V

58.9 V

SILICON

68.2 V

UL RECOGNIZED

ESDA6V1-4F1

STMicroelectronics

TRANS VOLTAGE SUPPRESSOR DIODE

BOTTOM

BALL

6

YES

RECTANGULAR

PLASTIC/EPOXY

COMMON ANODE, 4 ELEMENTS

150 W

6.7 V

AVALANCHE

4

GRID ARRAY

Transient Suppressors

150 Cel

R-PBGA-B6

UNIDIRECTIONAL

Not Qualified

6.1 V

SILICON

7.2 V

SM4T36CA

STMicroelectronics

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

400 W

36 V

AVALANCHE

5 uA

1

SMALL OUTLINE

Transient Suppressors

31 V

150 Cel

R-PDSO-C2

BIDIRECTIONAL

Not Qualified

5 W

240 pF

64.3 V

34.2 V

SILICON

37.8 V

SM30T10CAY

STMicroelectronics

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

C BEND

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

3000 W

AVALANCHE

1

SMALL OUTLINE

8.5 V

175 Cel

-55 Cel

R-PDSO-C2

BIDIRECTIONAL

DO-214AB

9.5 V

NOT SPECIFIED

NOT SPECIFIED

SILICON

10.5 V

AEC-Q101; IEC-61000-4-2

P6KE9V1CPRL

STMicroelectronics

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

600 W

9.1 V

AVALANCHE

50 uA

1

LONG FORM

175 Cel

-65 Cel

O-PALF-W2

BIDIRECTIONAL

ISOLATED

Not Qualified

5 W

1550 pF

17.1 V

8.65 V

SILICON

10 V

UL RECOGNIZED

BZW50-68

STMicroelectronics

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

5000 W

84 V

AVALANCHE

5 uA

1

LONG FORM

Transient Suppressors

68 V

175 Cel

MATTE TIN

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

6.5 W

3000 pF

157 V

75.6 V

e3

SILICON

UL RECOGNIZED

BZW06-7V0BRL

STMicroelectronics

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

600 W

8.2 V

AVALANCHE

200 uA

1

LONG FORM

175 Cel

O-PALF-W2

BIDIRECTIONAL

ISOLATED

Not Qualified

1.7 W

1700 pF

15.5 V

7.79 V

SILICON

8.61 V

UL RECOGNIZED

1.5KE15PRL

STMicroelectronics

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

1500 W

15 V

AVALANCHE

5 uA

1

LONG FORM

175 Cel

TIN

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

5 W

5000 pF

27.2 V

14.3 V

e3

SILICON

16.5 V

UL RECOGNIZED

BZW06P78BRL

STMicroelectronics

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

600 W

91 V

AVALANCHE

5 uA

1

LONG FORM

175 Cel

O-PALF-W2

BIDIRECTIONAL

ISOLATED

Not Qualified

1.7 W

262.5 pF

162 V

86.5 V

SILICON

100 V

UL RECOGNIZED

BZW04P145B

STMicroelectronics

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

400 W

170 V

AVALANCHE

5 uA

1

LONG FORM

Transient Suppressors

145 V

175 Cel

MATTE TIN

O-PALF-W2

BIDIRECTIONAL

ISOLATED

Not Qualified

1.7 W

67.5 pF

301 V

161 V

e3

SILICON

187 V

UL RECOGNIZED

1.5KE22P

STMicroelectronics

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

1500 W

22 V

AVALANCHE

5 uA

1

LONG FORM

Transient Suppressors

19 V

175 Cel

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

5 W

3700 pF

39.3 V

20.9 V

SILICON

24.2 V

UL RECOGNIZED

ITA6V5B1

STMicroelectronics

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

GULL WING

8

YES

RECTANGULAR

PLASTIC/EPOXY

COMMON CATHODE, 6 ELEMENTS

300 W

AVALANCHE

10 uA

6

SMALL OUTLINE

Transient Suppressors

5 V

125 Cel

NICKEL PALLADIUM GOLD

R-PDSO-G8

BIDIRECTIONAL

Not Qualified

750 pF

12 V

6.5 V

e4

SILICON

BZW06-7V8B

STMicroelectronics

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

600 W

9.1 V

AVALANCHE

50 uA

1

LONG FORM

Transient Suppressors

7.8 V

175 Cel

MATTE TIN

O-PALF-W2

BIDIRECTIONAL

ISOLATED

Not Qualified

1.7 W

1550 pF

17.1 V

8.65 V

e3

SILICON

9.55 V

UL RECOGNIZED

BZW04-17BRL

STMicroelectronics

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

400 W

20 V

AVALANCHE

5 uA

1

LONG FORM

175 Cel

O-PALF-W2

BIDIRECTIONAL

ISOLATED

Not Qualified

1.7 W

425 pF

36.1 V

19 V

SILICON

21 V

UL RECOGNIZED

BZW06-15

STMicroelectronics

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

600 W

18 V

AVALANCHE

5 uA

1

LONG FORM

Transient Suppressors

15 V

175 Cel

MATTE TIN

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

1.7 W

1600 pF

DO-15

32.5 V

17.1 V

e3

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.