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Littelfuse - Circuit Protection

129,899 Results

Categories of Circuit Protection

  • Circuit Breakers & Accessories (65,617)
  • Circuit Protection Kits (823)
  • ESD Protection Diodes / TVS Diodes (14,330)
  • Fuse Holders (3,353)
  • Fuses (27,202)
  • Gas Discharge Tubes - GDTs / Gas Plasma Arrestors (1,661)
  • LED Protection Devices (286)
  • Resettable Fuses - PPTC (3,821)
  • Surge Protective Devices - SPD (2,526)
  • Thermal Cutoffs (109)
  • Thermistors (4,910)
  • Thyristors (6,896)
  • Varistors (8,447)
129,899 Results
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Part
Availability
Purchasing
RoHS/Lead
Part # Aliases
Datasheet
Mfr: 0251.375MXL
TTI: 0251.375MXL
Littelfuse
Availability:

900In Stock

Fuses with Leads - Through Hole 125V .375A

900In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: RF1345-000
TTI: NANOSMDC020F-2
Littelfuse
Availability:

12,000In Stock

Resettable Fuses - PPTC .2A 24V 100A Imax

12,000In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
F64573-000
RF1345-000
Datasheet
Mfr: 0ATO002.V
TTI: 0ATO002.V
Littelfuse
Availability:

175In Stock

Automotive Fuses 2A Gray

175In Stock

Please adjust quantity to Min / Mult value
Datasheet
Mfr: 045402.5MR
TTI: 045402.5MR
Littelfuse
Availability:

1,000In Stock

2,000 On Order
Expected 26-Jun-26
Surface Mount Fuses 125VAC 2.5A .045ohms 454 NANO2

1,000In Stock

2,000 On Order
Expected 26-Jun-26
Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: 0CNN325.V
TTI: 0CNN325.V
Littelfuse
Availability:

6In Stock

Automotive Fuses 325AMP 48VDC 125VAC

6In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
CNN325
Datasheet
Mfr: 0452.500MRL
TTI: 0452.500MRL
Littelfuse
Availability:

2,000In Stock

Surface Mount Fuses 125VAC 0.5A .7ohms 452 NANO2

2,000In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: V571HB34
TTI: V571HB34
Littelfuse
Availability:

20In Stock

Varistors 910V 40kA 2200pF

20In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: V511BA60
TTI: V511BA60
Littelfuse
Availability:

5In Stock

Varistors 820V 70kA 5000pF

5In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: V18ZA40P
TTI: V18ZA40P
Littelfuse
Availability:

967In Stock

Varistors 10 VAC 80J 37V-CL 2KA-PK

967In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: 178.6115.0002
TTI: 178.6115.0002
Littelfuse
Availability:

800In Stock

Fuse Holder FH2 STACKABLE FOR 42V POWERNET

800In Stock

Please adjust quantity to Min / Mult value
Call to Verify RoHS
Datasheet
Mfr: 0460004.UR
TTI: 0460004.UR
Littelfuse
Availability:

2,000In Stock

8,500 On Order
Expected
Surface Mount Fuses 125V 4A Slo-Blo

2,000In Stock

8,500 On Order
Expected
Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: 0239.300MXP
TTI: 0239.300HXP
Littelfuse
Availability:

725In Stock

Cartridge Fuses .3A 250V TIME DELAY

725In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: V200RA22
TTI: V200RA22
Littelfuse
Availability:

50In Stock

Varistors 200V 6500A 1900pF

50In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: V240CH8T
TTI: V240CH8T
Littelfuse
Availability:

3,000In Stock

Varistors 150V 250A 100pF 7 Inch Reel

3,000In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: SL1021B090R
TTI: SL1021B090R
Littelfuse
Availability:

1,000In Stock

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 70-120 10A Beta 3 Terminal

1,000In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: 39615000440
TTI: 39615000440
Littelfuse
Availability:

1,075In Stock

Fuses with Leads - Through Hole 125V UL TL SL 5A TE5

1,075In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: L60030C2SQ
TTI: L60030C2SQ
Littelfuse
Availability:

11In Stock

Fuse Holder Blok 30A 600V 2 Pole Screw Connector

11In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: SMAJ64CA
TTI: SMAJ64CA
Littelfuse
Availability:

5,000In Stock

ESD Protection Diodes / TVS Diodes 400W 64V 5% Bi-Directional

5,000In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: 30KPA36CA
TTI: 30KPA36CA
Littelfuse
Availability:

800In Stock

ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial

800In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
30KPA36CA-B
Datasheet
Mfr: RF2670-000
TTI: RXEF010S
Littelfuse
Availability:

900In Stock

Resettable Fuses - PPTC Radial Lead .1A 60V 40A Imax

900In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
RF0251-000
RF2670-000
Datasheet
Mfr: V12ZA2P
TTI: V12ZA2P
Littelfuse
Availability:

24,360In Stock

Varistors 6 VAC 1.2J 30V-CL 250A-PK

24,360In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: 0239.200MXP
TTI: 0239.200MXP
Littelfuse
Availability:

450In Stock

Cartridge Fuses 250V .2A Slo-Blo

450In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: 0216002.MXEP
TTI: 0216002.MXEP
Littelfuse
Availability:

430In Stock

Cartridge Fuses 250V 2A Fast Acting

430In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: 0259.250M
TTI: 0259.250M
Littelfuse
Availability:

12In Stock

Fuses with Leads - Through Hole 125V .25A Safe-T-Plus

12In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
0259-250M
Datasheet
Mfr: V12ZA1P
TTI: V12ZA1P
Littelfuse
Availability:

7,600In Stock

Varistors 6 VAC .6J 34V-CL 100A-PK

7,600In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
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TTI
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On Order
Additional Stock Lead Time Weeks

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RoHS/Lead

RoHS Compliance

RoHS Compliant

Hazardous material content for substances listed in the RoHS Directive are within the limits defined in EU Directive 2011/65/EC and relevant amendments.

RoHS Non-Compliant

Hazardous material content for substances listed in RoHS directive exceed the allowable limits defined in the EU Directive 2011/65/EC and relevant amendments.

RoHS Yes Per Exemption

The part number listed has an allowable exemption as defined in the EU Directive 2011/65/EC and relevant amendments,2002/525/EC

RoHS Compliance: In Transition

In Transition This means that our inventory of this part number is presently not RoHS Compliant, however, the manufacturer will be shipping RoHS: Compliant to TTI in the future. This occurs when the manufacturer has decided not to change their part number to indicate RoHS Compliance. Contact TTI to determine the date that the RoHS: Compliant version of this product will be available.

Call to Verify

The part number is still in transition or TTI needs to contact the factory for the current status. Call TTI for help at .

Lead (Pb)

Lead Free

Pb Free

The Pb content of the termination material contains less than .1% by weight as referenced in JEDEC JESD97, paragraph 3.5 . Reference document is EU Commission Decision2002/525/EC, Annex II Notes- from ELV Directive2000/53/EC.

Contains Lead

Contains Pb

The Pb content of the termination material contains > .1% Pb by weight as referenced in JEDEC JESD97, paragraph 3.5. Reference document is EU Commission Decision2002/525/EC, Annex II Notes- from ELV Directive2000/53/EC.

Call to Verify

The part number is still in transition or TTI needs to contact the factory for the current status. Call TTI for help at .

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