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Littelfuse - Circuit Protection

63,728 Results

Categories of Circuit Protection

  • Circuit Breakers & Accessories (746)
  • Circuit Protection Kits (822)
  • ESD Protection Diodes / TVS Diodes (14,357)
  • Fuse Holders (3,348)
  • Fuses (27,189)
  • Gas Discharge Tubes - GDTs / Gas Plasma Arrestors (1,665)
  • LED Protection Devices (285)
  • Resettable Fuses - PPTC (3,799)
  • Surge Protective Devices - SPD (2,506)
  • Thermal Cutoffs (112)
  • Thermistors (4,887)
  • Thyristors (5,583)
  • Varistors (8,446)
63,728 Results
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Part
Availability
Purchasing
RoHS/Lead
Datasheet
Mfr: SMF4L24CA
TTI: SMF4L24CA
Littelfuse
Availability:

3,000In Stock

ESD Protection Diodes / TVS Diodes SMF4L - CA 24V

3,000In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: 0477002.MXEP
TTI: 0477002.MXEP
Littelfuse
Availability:

1,920In Stock

Fuses with Leads - Through Hole 500Vac 400Vdc TL PT 5X20 2A

1,920In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: SMDJ5.0A-T7
TTI: SMDJ5.0A-T7
Littelfuse
Availability:

500In Stock

2,000 On Order
Expected 02-Nov-26
ESD Protection Diodes / TVS Diodes 3kW 5V 5% Uni-Directional

500In Stock

2,000 On Order
Expected 02-Nov-26
Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: LSP10480S
TTI: LSP10480S
Littelfuse
Availability:

144In Stock

352 On Order
Expected 26-Oct-26
LED Protection Devices 480V 10kA IP66 Series

144In Stock

352 On Order
Expected 26-Oct-26
Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: 3298080.Z
TTI: 3298080.Z
Littelfuse
Availability:

310In Stock

Automotive Fuses ZCase 32V 80A 480pc MEGA

310In Stock

Please adjust quantity to Min / Mult value
Datasheet
Mfr: PS103J2
TTI: PS103J2
Littelfuse
Availability:

1,425In Stock

NTC Thermistors 10K OHM 10% DEG C INTRCHGBL

1,425In Stock

Please adjust quantity to Min / Mult value
Datasheet
Mfr: Q4015L5TP
TTI: Q4015L5TP
Littelfuse
Availability:

61,350In Stock

Triacs 400V 15A 50-50-50mA

61,350In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: CCMR040.T
TTI: CCMR040.T
Littelfuse
Availability:

313In Stock

Industrial & Electrical Fuses 40A 600VAC 250VDC Time-Delay

313In Stock

Please adjust quantity to Min / Mult value
Datasheet
Mfr: KLKR010.T
TTI: KLKR010.T
Littelfuse
Availability:

300In Stock

Industrial & Electrical Fuses 10A 600VAC 300VDC Fast Acting

300In Stock

Please adjust quantity to Min / Mult value
Datasheet
Mfr: 0SLC060.T
TTI: 0SLC060.T
Littelfuse
Availability:

320In Stock

10 On Order
Expected 31-Aug-26
Industrial & Electrical Fuses 60A 480VAC

320In Stock

10 On Order
Expected 31-Aug-26
Please adjust quantity to Min / Mult value
Datasheet
Mfr: CCMR004.TXP
TTI: CCMR004.TXP
Littelfuse
Availability:

405In Stock

Industrial & Electrical Fuses 4A 600VAC 250VDC Time-Delay

405In Stock

Please adjust quantity to Min / Mult value
Datasheet
Mfr: 0263005.MXL
TTI: 0263005.MXL
Littelfuse
Availability:

1,000In Stock

Fuses with Leads - Through Hole 250V 5A PICO II

1,000In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: 0297004.WXNV
TTI: 0297004.WXNV
Littelfuse
Availability:

1,500In Stock

Automotive Fuses 32V 4A Mini

1,500In Stock

Please adjust quantity to Min / Mult value
Datasheet
Mfr: 0314030.MXP
TTI: 0314030.HXP
Littelfuse
Availability:

250In Stock

3,000 On Order
Expected
Cartridge Fuses 250V 30A Fast Acting

250In Stock

3,000 On Order
Expected
Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: 60R040XU
TTI: 60R040XU
Littelfuse
Availability:

300In Stock

Resettable Fuses - PPTC 60V POLYFUSE .400A RADIAL LEADS

300In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: SP723ABTG
TTI: SP723ABTG
Littelfuse
Availability:

5,000In Stock

ESD Protection Diodes / TVS Diodes 6 CH DIODE ARRAY

5,000In Stock

Please adjust quantity to Min / Mult value
Datasheet
Mfr: 57100000001
TTI: 57100000001
Littelfuse
Availability:

1,350In Stock

Fuse Holder ACS HOLDER 571 250V

1,350In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: 142.5631.5302
TTI: 142.5631.5302
Littelfuse
Availability:

100In Stock

500 On Order
Expected 19-Oct-26
Automotive Fuses BF1 30A 58V

100In Stock

500 On Order
Expected 19-Oct-26
Please adjust quantity to Min / Mult value
Datasheet
Mfr: LPSM0001ZXID
TTI: LPSM0001ZXID
Littelfuse
Availability:

286In Stock

1,056 On Order
Expected
Fuse Holder 1 Pole for Midget Fuse

286In Stock

1,056 On Order
Expected
Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: SMAJ33CA
TTI: SMAJ33CA
Littelfuse
Availability:

275,000In Stock

ESD Protection Diodes / TVS Diodes 400W 33V 5% Bi-Directional

275,000In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: SMAJ7.0CA
TTI: SMAJ7.0CA
Littelfuse
Availability:

20,000In Stock

ESD Protection Diodes / TVS Diodes 400W 7V 5% Bi-Directional

20,000In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: SMBJ58A
TTI: SMBJ58A
Littelfuse
Availability:

6,000In Stock

ESD Protection Diodes / TVS Diodes 600W 58V 5% Uni-Directional

6,000In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: 0259.062M
TTI: 0259.062M
Littelfuse
Availability:

240In Stock

Fuses with Leads - Through Hole 125V .062A Safe-T-Plus

240In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: V22CH8T
TTI: V22CH8T
Littelfuse
Availability:

4,000In Stock

Varistors 14V 100A 1600pF 7 Inch Reel

4,000In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: 0263.500MXL
TTI: 0263.500MXL
Littelfuse
Availability:

720In Stock

Fuses with Leads - Through Hole 250V.5A PICO II

720In 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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