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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
Part # Aliases
Datasheet
Mfr: 0451020.MRL
TTI: 0451020.MRL
Littelfuse
Availability:

3,000In Stock

Surface Mount Fuses 20A 65V NANO2

3,000In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: 0695030.PXPS
TTI: 0695030.PXPS
Littelfuse
Availability:

24,700In Stock

Automotive Fuses 30A 32VDC

24,700In Stock

Call
or
View Details
Datasheet
Mfr: 901-525
TTI: 901-525
Littelfuse
Availability:

2,130In Stock

1,567 On Order
Expected 07-Oct-26
Fuse Holder Accessories SINGLE ZCASE FUSE & STUD COVER

2,130In Stock

1,567 On Order
Expected 07-Oct-26
Please adjust quantity to Min / Mult value
Datasheet
Mfr: V22ZA05P
TTI: V22ZA05P
Littelfuse
Availability:

4,500In Stock

Varistors 14 VAC .2J 43V-CL 40KA-PK

4,500In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: V22ZA3P
TTI: V22ZA3P
Littelfuse
Availability:

1,200In Stock

8,400 On Order
Expected 02-Dec-26
Varistors 14 VAC 4J 43V-CL 1KA-PK

1,200In Stock

8,400 On Order
Expected 02-Dec-26
Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: V120ZA1P
TTI: V120ZA1P
Littelfuse
Availability:

2,000In Stock

4,500 On Order
Expected 02-Oct-26
Varistors 75 VAC 6J 205V-CL 1200A-P

2,000In Stock

4,500 On Order
Expected 02-Oct-26
Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: V180ZA10P
TTI: V180ZA10P
Littelfuse
Availability:

600In Stock

Varistors 115 VAC 35J 300V-CL 4500A-P

600In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: 38212000410
TTI: 38212000410
Littelfuse
Availability:

1,450In Stock

Fuses with Leads - Through Hole 250V IEC TL SL 2A TR5

1,450In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: 57500000001
TTI: 57500000001
Littelfuse
Availability:

100In Stock

Fuse Holder Accessories 570 571 575 Cap TR5/TE5 Holder

100In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: 39611000440
TTI: 39611000440
Littelfuse
Availability:

2,050In Stock

Fuses with Leads - Through Hole 125V UL TL SL 1A TE5

2,050In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: 37318000410
TTI: 37318000410
Littelfuse
Availability:

1,000In Stock

Fuses with Leads - Through Hole 250V UL FA SL 8A TR5

1,000In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: RF1545-000
TTI: LR4-550F
Littelfuse
Availability:

2,400In Stock

Resettable Fuses - PPTC 5.5A 20V 100A Imax

2,400In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
E74816-000
RF1545-000
Datasheet
Mfr: RF2638-000
TTI: RXEF090-2
Littelfuse
Availability:

15,000In Stock

Resettable Fuses - PPTC Radial Lead .9A 72V 40A Imax

15,000In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
A83967-000
RF2638-000
Datasheet
Mfr: 153.5631.5502
TTI: 153.5631.5502
Littelfuse
Availability:

825In Stock

28,805 On Order
Expected
Automotive Fuses 50A 32VDC BF1 RED M5 TWO HOLES

825In Stock

28,805 On Order
Expected
Please adjust quantity to Min / Mult value
Datasheet
Mfr: RF3321-000
TTI: RHEF1000
Littelfuse
Availability:

1,050In Stock

Resettable Fuses - PPTC RHEF1000

1,050In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
D86144-000
RF3321-000
Datasheet
Mfr: 2920L150DR
TTI: 2920L150DR
Littelfuse
Availability:

13,500In Stock

Resettable Fuses - PPTC 1.50A 33V 2920

13,500In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: V230LA20AP
TTI: V230LA20AP
Littelfuse
Availability:

1,050In Stock

Varistors 230V 550pF

1,050In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: RF3122-000
TTI: VTP210GF
Littelfuse
Availability:

14,800In Stock

Resettable Fuses - PPTC 2.1A 16V 100A Imax

14,800In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
F56527-000
RF3122-000
Datasheet
Mfr: 0213002.MXP
TTI: 0213002.MXP
Littelfuse
Availability:

650In Stock

1,525 On Order
Expected
Cartridge Fuses 250V 2A Slo-Blo

650In Stock

1,525 On Order
Expected
Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: 031302.5MXP
TTI: 031302.5HXP
Littelfuse
Availability:

1,000In Stock

Cartridge Fuses 250V 2.5A Slo-Blo

1,000In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: 0312.100MXP
TTI: 0312.100HXP
Littelfuse
Availability:

1,900In Stock

3,000 On Order
Expected 29-Sep-26
Cartridge Fuses 250V .1A Fast Acting 3AG

1,900In Stock

3,000 On Order
Expected 29-Sep-26
Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: 0239.500MXP
TTI: 0239.500HXP
Littelfuse
Availability:

500In Stock

Cartridge Fuses 250V .5A Slo-Blo

500In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: 04611.25ER
TTI: 04611.25ER
Littelfuse
Availability:

22,500In Stock

Surface Mount Fuses 600VAC 1.25A .104ohms 461 NANO2

22,500In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
576-04611.25
04611.25
Datasheet
Mfr: 0298080.ZXEH
TTI: 0298080.ZXEH
Littelfuse
Availability:

340In Stock

Automotive Fuses 32V 80A

340In Stock

Please adjust quantity to Min / Mult value
Datasheet
Mfr: SMBJ24CA-E
TTI: SMBJ24CA-E
Littelfuse
Availability:

54,000In Stock

147,000 On Order
Expected
ESD Protection Diodes / TVS Diodes TVS SURF MT DO214AA - SMBJ24CA 3K T&R

54,000In Stock

147,000 On Order
Expected
Please adjust quantity to Min / Mult value
Call to Verify
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Incoming Inventory

Mfr
TTI
Stock Can ship immediately
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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