Semtech Transient Suppression Devices 157

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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

UCLAMP2511T.TCT

Semtech

TRANS VOLTAGE SUPPRESSOR DIODE

BOTTOM

NO LEAD

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

40 W

AVALANCHE

.05 uA

1

2.5 V

CHIP CARRIER

2.5 V

85 Cel

-40 Cel

NICKEL PALLADIUM GOLD

R-PBCC-N2

1

BIDIRECTIONAL

Not Qualified

LOW LEAKAGE CURRENT

8 V

e4

260

SILICON

IEC-61000-4-2, 4-4

UCLAMP3304A.TCT

Semtech

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

FLAT

6

YES

RECTANGULAR

PLASTIC/EPOXY

COMMON ANODE, 4 ELEMENTS

40 W

AVALANCHE

4

SMALL OUTLINE

Transient Suppressors

3.3 V

125 Cel

-55 Cel

MATTE TIN

R-PDSO-F6

1

UNIDIRECTIONAL

Not Qualified

8 V

e3

30

260

SILICON

SD15C.TCT

Semtech

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

GULL WING

2

YES

RECTANGULAR

PLASTIC/EPOXY

COMMON CATHODE, 2 ELEMENTS

350 W

AVALANCHE

2

SMALL OUTLINE

Transient Suppressors

15 V

125 Cel

-55 Cel

MATTE TIN

R-PDSO-G2

1

BIDIRECTIONAL

Not Qualified

TRANSIENT PROTECTION

29 V

16.7 V

e3

30

260

SILICON

SMS05C.TCT

Semtech

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

GULL WING

6

YES

RECTANGULAR

PLASTIC/EPOXY

COMMON ANODE, 5 ELEMENTS

300 W

AVALANCHE

5

SMALL OUTLINE

Transient Suppressors

5 V

125 Cel

-55 Cel

MATTE TIN

R-PDSO-G6

1

UNIDIRECTIONAL

Not Qualified

TRANSIENT PROTECTION

14.5 V

6 V

e3

260

SILICON

JANTXV1N6467US.TR

Semtech

TRANS VOLTAGE SUPPRESSOR DIODE

P6KE10A.TR

Semtech

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

600 W

10 V

AVALANCHE

10 uA

1

LONG FORM

150 Cel

-55 Cel

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

3 W

DO-15

14.5 V

9.5 V

SILICON

10.5 V

RCLAMP0524PQTCT

Semtech

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

NO LEAD

10

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

75 W

AVALANCHE

1

SMALL OUTLINE

5 V

125 Cel

-40 Cel

NICKEL PALLADIUM GOLD

R-PDSO-N10

1

UNIDIRECTIONAL

6.5 V

e4

260

SILICON

11 V

AEC-Q100; IEC-61000-4-2, 4-4, 4-5

UCLAMP1871P.TNT

Semtech

TRANS VOLTAGE SUPPRESSOR DIODE

BOTTOM

NO LEAD

2

YES

RECTANGULAR

UNSPECIFIED

SINGLE

1500 W

AVALANCHE

1

CHIP CARRIER

18 V

125 Cel

-40 Cel

NICKEL PALLADIUM GOLD

R-XBCC-N2

1

UNIDIRECTIONAL

20 V

e4

260

SILICON

25 V

AEC-Q101; IEC-61000-4-5

JANTX1N6139AUS.TR

Semtech

TRANS VOLTAGE SUPPRESSOR DIODE

LCDA05.T

Semtech

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

GULL WING

8

YES

RECTANGULAR

PLASTIC/EPOXY

SEPARATE, 4 ELEMENTS

300 W

AVALANCHE

4

SMALL OUTLINE

Transient Suppressors

5 V

125 Cel

-55 Cel

R-PDSO-G8

BIDIRECTIONAL

Not Qualified

LOW CAPACITANCE

MS-012AA

11 V

6 V

e3

NOT SPECIFIED

NOT SPECIFIED

SILICON

UL RECOGNIZED

LCDA05.TB

Semtech

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

GULL WING

8

YES

RECTANGULAR

PLASTIC/EPOXY

SEPARATE, 4 ELEMENTS

300 W

AVALANCHE

100 uA

4

SMALL OUTLINE

Transient Suppressors

5 V

125 Cel

-55 Cel

R-PDSO-G8

BIDIRECTIONAL

Not Qualified

5 pF

LOW CAPACITANCE

MS-012AA

11 V

6 V

SILICON

UL RECOGNIZED

RCLAMP3391ZCTFT

Semtech

TRANS VOLTAGE SUPPRESSOR DIODE

BOTTOM

NO LEAD

2

YES

RECTANGULAR

UNSPECIFIED

SINGLE

45 W

8 V

AVALANCHE

.05 uA

1

3.3 V

CHIP CARRIER

3.3 V

85 Cel

-40 Cel

R-XBCC-N2

BIDIRECTIONAL

ULTRA LOW CAPACITANCE

6.5 V

5.5 V

SILICON

10 V

IEC-61000-4-2, 4-4

RCLAMP0504M.TBT

Semtech

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

GULL WING

10

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

300 W

1.2 V

AVALANCHE

5 uA

1

15 V

SMALL OUTLINE

Other Diodes

5 V

125 Cel

-55 Cel

MATTE TIN

R-PDSO-G10

1

UNIDIRECTIONAL

Not Qualified

LOW CAPACITANCE

MO-187BA

6 V

e3

260

SILICON

RCLAMP1851ZATFT

Semtech

TRANS VOLTAGE SUPPRESSOR DIODE

YES

22.5 V

AVALANCHE

Transient Suppressors

18 V

NICKEL GOLD

1

BIDIRECTIONAL

5.5 V

e4

260

SILICON

RCLAMP3354S.TCT

Semtech

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

GULL WING

5

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

400 W

AVALANCHE

1

SMALL OUTLINE

3.3 V

85 Cel

-55 Cel

TIN

R-PDSO-G5

1

UNIDIRECTIONAL

LOW CAPACITANCE

e3

30

260

SILICON

IEC-61000-4-2, 4-4, 4-5

SA24CA.TR

Semtech

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

500 W

AVALANCHE

3 uA

1

LONG FORM

150 Cel

-55 Cel

O-PALF-W2

BIDIRECTIONAL

ISOLATED

Not Qualified

1 W

DO-15

38.9 V

26.7 V

SILICON

29.5 V

SMF3.3TC

Semtech

TRANS VOLTAGE SUPPRESSOR DIODE

YES

Transient Suppressors

3.3 V

UNIDIRECTIONAL

5.5 V

SMF3.3.TC

Semtech

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

GULL WING

5

YES

RECTANGULAR

PLASTIC/EPOXY

COMMON ANODE, 4 ELEMENTS

40 W

AVALANCHE

4

SMALL OUTLINE

Transient Suppressors

3.3 V

TIN LEAD

R-PDSO-G5

UNIDIRECTIONAL

Not Qualified

LOW LEAKAGE CURRENT, LOW CAPACITANCE

MO-203AA

8 V

e0

SILICON

SRDA05-4

Semtech

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

GULL WING

8

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

500 W

AVALANCHE

20 uA

1

SMALL OUTLINE

Transient Suppressors

5 V

125 Cel

-55 Cel

TIN LEAD

R-PDSO-G8

UNIDIRECTIONAL

Not Qualified

15 pF

HIGH RELIABILITY

MS-012AA

9.8 V

6 V

e0

SILICON

SRDA05-4.TLT

Semtech

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

GULL WING

8

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

500 W

AVALANCHE

1

SMALL OUTLINE

5 V

85 Cel

-40 Cel

MATTE TIN

R-PDSO-G8

1

UNIDIRECTIONAL

MS-012AA

6 V

e3

30

260

SILICON

IEC-61000-4-2, 4-4, 4-5

1.5KE24CA.TR

Semtech

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

1500 W

24 V

AVALANCHE

5 uA

1

LONG FORM

20.5 V

150 Cel

-55 Cel

O-PALF-W2

BIDIRECTIONAL

ISOLATED

Not Qualified

5 W

DO-201

33.2 V

22.8 V

SILICON

25.2 V

LC01-6.TDT

Semtech

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

GULL WING

16

YES

RECTANGULAR

PLASTIC/EPOXY

SEPARATE, 2 ELEMENTS

1500 W

8 V

AVALANCHE

2

SMALL OUTLINE

Transient Suppressors

6 V

125 Cel

-55 Cel

MATTE TIN

R-PDSO-G16

1

UNIDIRECTIONAL

Not Qualified

MS-013AA

16 V

8 V

e3

30

260

SILICON

LCDA12C-8

Semtech

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

GULL WING

16

YES

RECTANGULAR

PLASTIC/EPOXY

COMPLEX

500 W

AVALANCHE

16

SMALL OUTLINE

Transient Suppressors

12 V

125 Cel

-55 Cel

TIN LEAD

R-PDSO-G16

UNIDIRECTIONAL

Not Qualified

LOW INDUCTANCE

MS-012AC

26.6 V

13.3 V

e0

SILICON

LCDA12C-8.TBT

Semtech

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

GULL WING

16

YES

RECTANGULAR

PLASTIC/EPOXY

COMPLEX

500 W

AVALANCHE

16

SMALL OUTLINE

Transient Suppressors

12 V

125 Cel

-55 Cel

MATTE TIN

R-PDSO-G16

1

UNIDIRECTIONAL

Not Qualified

MS-012AC

26.6 V

13.3 V

e3

260

SILICON

P6KE440CA.TR

Semtech

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

600 W

440 V

AVALANCHE

5 uA

1

LONG FORM

150 Cel

-55 Cel

O-PALF-W2

BIDIRECTIONAL

ISOLATED

Not Qualified

3 W

DO-15

600 V

418 V

SILICON

462 V

RCLAMP0521P.TCT

Semtech

TRANS VOLTAGE SUPPRESSOR DIODE

BOTTOM

NO LEAD

2

YES

RECTANGULAR

UNSPECIFIED

SINGLE

100 W

9.3 V

AVALANCHE

1

CHIP CARRIER

Transient Suppressors

5 V

125 Cel

-55 Cel

NICKEL PALLADIUM GOLD

R-XBCC-N2

1

BIDIRECTIONAL

Not Qualified

25 V

6 V

e4

260

SILICON

11 V

IEC-61000-4-2, 4-4

RCLAMP0542T.TCT

Semtech

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

NO LEAD

6

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

75 W

1.2 V

8 V

AVALANCHE

.05 uA

1

5 V

SMALL OUTLINE

5 V

125 Cel

-55 Cel

NICKEL PALLADIUM GOLD

R-PDSO-N6

1

UNIDIRECTIONAL

Not Qualified

LOW CAPACITANCE

15 V

6.5 V

e4

30

260

SILICON

11 V

IEC-61000-4-2, 4-4

RCLAMP1521P.TCT

Semtech

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

NO LEAD

2

YES

RECTANGULAR

PLASTIC/EPOXY

COMMON ANODE, 2 ELEMENTS

120 W

AVALANCHE

2

SMALL OUTLINE

Transient Suppressors

15 V

125 Cel

-55 Cel

NICKEL PALLADIUM GOLD

R-PDSO-N2

1

UNIDIRECTIONAL

Not Qualified

LOW CAPACITANCE

30 V

16.7 V

e4

260

SILICON

RCLAMP7522T.TNT

Semtech

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

NO LEAD

5

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

100 W

AVALANCHE

1

SMALL OUTLINE

5 V

125 Cel

-55 Cel

NICKEL PALLADIUM GOLD

R-PDSO-N5

1

UNIDIRECTIONAL

6.5 V

e4

260

SILICON

11 V

SA5.0A.TR

Semtech

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

500 W

AVALANCHE

600 uA

1

LONG FORM

150 Cel

-55 Cel

O-PALF-W2

UNIDIRECTIONAL

ISOLATED

Not Qualified

1 W

DO-15

9.2 V

6.4 V

SILICON

7 V

SM15.TCT

Semtech

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

COMMON ANODE, 2 ELEMENTS

300 W

AVALANCHE

2

SMALL OUTLINE

Transient Suppressors

15 V

125 Cel

-55 Cel

MATTE TIN

R-PDSO-G3

1

UNIDIRECTIONAL

Not Qualified

24 V

16.7 V

e3

260

SILICON

SMDA12C-7.TBT

Semtech

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

GULL WING

8

YES

RECTANGULAR

PLASTIC/EPOXY

COMMON CATHODE, 8 ELEMENTS

300 W

13.3 V

AVALANCHE

8

SMALL OUTLINE

Transient Suppressors

12 V

125 Cel

-55 Cel

MATTE TIN

R-PDSO-G8

1

BIDIRECTIONAL

Not Qualified

HIGH RELIABILITY, LOW LEAKAGE CURRENT

MS-012AA

19 V

13.3 V

e3

260

SILICON

SRDA05-4.TB

Semtech

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

GULL WING

8

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

500 W

AVALANCHE

1

SMALL OUTLINE

Transient Suppressors

5 V

125 Cel

-55 Cel

TIN LEAD

R-PDSO-G8

UNIDIRECTIONAL

Not Qualified

HIGH RELIABILITY

MS-012AA

20 V

6 V

e0

SILICON

TCLAMP3302N.TCT

Semtech

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

NO LEAD

10

YES

SQUARE

PLASTIC/EPOXY

SINGLE

2500 W

AVALANCHE

1

SMALL OUTLINE

Transient Suppressors

3.3 V

85 Cel

-40 Cel

NICKEL PALLADIUM GOLD

S-PDSO-N10

1

UNIDIRECTIONAL

ANODE

Not Qualified

25 V

e4

260

SILICON

TCLAMP3312N.TCT

Semtech

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

NO LEAD

10

YES

SQUARE

PLASTIC/EPOXY

SINGLE

2300 W

AVALANCHE

.1 uA

1

3.3 V

SMALL OUTLINE

3.3 V

85 Cel

-40 Cel

NICKEL PALLADIUM GOLD

S-PDSO-N10

1

UNIDIRECTIONAL

20 V

e4

260

SILICON

IEC-61000-4-2, 4-4, 4-5

UCLAMP0871P.TNT

Semtech

TRANS VOLTAGE SUPPRESSOR DIODE

BOTTOM

NO LEAD

2

YES

RECTANGULAR

UNSPECIFIED

SINGLE

1500 W

AVALANCHE

1

CHIP CARRIER

8 V

125 Cel

-40 Cel

NICKEL PALLADIUM GOLD

R-XBCC-N2

1

UNIDIRECTIONAL

9.5 V

e4

260

SILICON

13 V

AEC-Q101; IEC-61000-4-5

UCLAMP2271P.TNT

Semtech

TRANS VOLTAGE SUPPRESSOR DIODE

BOTTOM

NO LEAD

2

YES

RECTANGULAR

UNSPECIFIED

SINGLE

1500 W

AVALANCHE

1

CHIP CARRIER

22 V

125 Cel

-40 Cel

NICKEL PALLADIUM GOLD

R-XBCC-N2

1

UNIDIRECTIONAL

25.5 V

e4

260

SILICON

33.5 V

AEC-Q101; IEC-61000-4-5

UCLAMP2501T.TCT

Semtech

TRANS VOLTAGE SUPPRESSOR DIODE

BOTTOM

NO LEAD

2

YES

RECTANGULAR

UNSPECIFIED

SINGLE

40 W

AVALANCHE

1

CHIP CARRIER

Transient Suppressors

2.5 V

85 Cel

-40 Cel

NICKEL PALLADIUM GOLD

R-XBCC-N2

1

UNIDIRECTIONAL

Not Qualified

LOW CAPACITANCE

7.5 V

e4

30

260

SILICON

UCLAMP3301P.TCT

Semtech

TRANS VOLTAGE SUPPRESSOR DIODE

BOTTOM

NO LEAD

2

YES

RECTANGULAR

UNSPECIFIED

SINGLE

40 W

AVALANCHE

1

CHIP CARRIER

Transient Suppressors

3.3 V

85 Cel

-40 Cel

NICKEL PALLADIUM GOLD

R-XBCC-N2

1

UNIDIRECTIONAL

Not Qualified

LOW LEAKAGE CURRENT

8 V

e4

260

SILICON

1.5KE300CA.TR

Semtech

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

1500 W

300 V

AVALANCHE

5 uA

1

LONG FORM

150 Cel

-55 Cel

O-PALF-W2

BIDIRECTIONAL

ISOLATED

Not Qualified

5 W

DO-201

414 V

285 V

SILICON

315 V

LCDA12.TE

Semtech

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

GULL WING

8

YES

RECTANGULAR

PLASTIC/EPOXY

SEPARATE, 4 ELEMENTS

300 W

AVALANCHE

1 uA

4

SMALL OUTLINE

Transient Suppressors

12 V

125 Cel

-55 Cel

R-PDSO-G8

BIDIRECTIONAL

Not Qualified

5 pF

LOW LEAKAGE CURRENT

MS-012AA

24 V

13.3 V

SILICON

LCDA15C-1.TCT

Semtech

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

GULL WING

4

YES

RECTANGULAR

PLASTIC/EPOXY

COMPLEX

500 W

AVALANCHE

2

SMALL OUTLINE

15 V

125 Cel

-55 Cel

MATTE TIN

R-PDSO-G4

1

BIDIRECTIONAL

Not Qualified

TO-253AA

16.7 V

e3

260

SILICON

P6KE10CA.TR

Semtech

TRANS VOLTAGE SUPPRESSOR DIODE

AXIAL

WIRE

2

NO

ROUND

PLASTIC/EPOXY

SINGLE

600 W

10 V

AVALANCHE

10 uA

1

LONG FORM

150 Cel

-55 Cel

O-PALF-W2

BIDIRECTIONAL

ISOLATED

Not Qualified

3 W

DO-15

14.5 V

9.5 V

SILICON

10.5 V

RCLAMP0512TQTNT

Semtech

TRANS VOLTAGE SUPPRESSOR DIODE

BOTTOM

NO LEAD

3

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

170 W

AVALANCHE

1

CHIP CARRIER

5 V

125 Cel

-40 Cel

NICKEL PALLADIUM GOLD

R-PBCC-N3

1

UNIDIRECTIONAL

6.5 V

e4

260

SILICON

11.5 V

AEC-Q100; IEC-61000-4-2, 4-4, 4-5

RCLAMP0531TQTCT

Semtech

TRANS VOLTAGE SUPPRESSOR DIODE

BOTTOM

NO LEAD

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

80 W

9.3 V

AVALANCHE

.1 uA

1

5 V

CHIP CARRIER

5 V

125 Cel

-40 Cel

NICKEL PALLADIUM GOLD

R-PBCC-N2

1

BIDIRECTIONAL

LOW CAPACITANCE

20 V

6 V

e4

30

260

SILICON

11 V

AEC-Q100; IEC-61000-4-2, 4-4

RCLAMP0582B.TCT

Semtech

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

GULL WING

3

YES

RECTANGULAR

PLASTIC/EPOXY

COMMON ANODE, 2 ELEMENTS

300 W

8.5 V

AVALANCHE

2

SMALL OUTLINE

Transient Suppressors

5 V

125 Cel

-55 Cel

MATTE TIN

R-PDSO-G3

1

UNIDIRECTIONAL

20 V

6 V

e3

260

SILICON

11 V

IEC-61000-4-2, 4-4

RCLAMP0821P.TCT

Semtech

TRANS VOLTAGE SUPPRESSOR DIODE

BOTTOM

NO LEAD

2

YES

RECTANGULAR

PLASTIC/EPOXY

SINGLE

100 W

10 V

AVALANCHE

1

CHIP CARRIER

Transient Suppressors

8 V

125 Cel

-55 Cel

NICKEL PALLADIUM GOLD

R-PBCC-N2

1

BIDIRECTIONAL

Not Qualified

LOW CAPACITANCE

25 V

10 V

e4

260

SILICON

SMDA05CN-5.TBT

Semtech

TRANS VOLTAGE SUPPRESSOR DIODE

DUAL

GULL WING

8

YES

RECTANGULAR

PLASTIC/EPOXY

COMMON CATHODE, 6 ELEMENTS

300 W

AVALANCHE

6

SMALL OUTLINE

Transient Suppressors

5 V

125 Cel

-55 Cel

MATTE TIN

R-PDSO-G8

1

BIDIRECTIONAL

Not Qualified

HIGH RELIABILITY

MS-012AA

11 V

6 V

e3

260

SILICON

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.