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  • Circuit Protection

Littelfuse - Circuit Protection

64,712 Results

Categories of Circuit Protection

  • Circuit Breakers & Accessories (754)
  • Circuit Protection Kits (822)
  • ESD Protection Diodes / TVS Diodes (15,296)
  • Fuse Holders (3,361)
  • Fuses (27,205)
  • Gas Discharge Tubes - GDTs / Gas Plasma Arrestors (1,665)
  • LED Protection Devices (285)
  • Resettable Fuses - PPTC (3,803)
  • Surge Protective Devices - SPD (2,505)
  • Thermal Cutoffs (112)
  • Thermistors (4,891)
  • Thyristors (5,582)
  • Varistors (8,455)
64,712 Results
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Part
Availability
Purchasing
RoHS/Lead
Part # Aliases
Datasheet
Mfr: 0216001.MXP
TTI: 0216001.HXP
Littelfuse
Availability:

700In Stock

Cartridge Fuses 250V 1A Fast Acting

700In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: V321DA40
TTI: V321DA40
Littelfuse
Availability:

144In Stock

Varistors 320V 40kA 3800pF

144In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: SP0505BAHTG
TTI: SP0505BAHTG
Littelfuse
Availability:

15,000In Stock

ESD Protection Diodes / TVS Diodes 5.5V(R) 9. 9.2V-CLAMP1.2A 5-CH

15,000In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: 2920L050DR
TTI: 2920L050DR
Littelfuse
Availability:

6,000In Stock

Resettable Fuses - PPTC 0.50A 60V 2920

6,000In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: SMCJ18CA
TTI: SMCJ18CA
Littelfuse
Availability:

15,000In Stock

ESD Protection Diodes / TVS Diodes 1.5kW 18V 5% Bi-Directional

15,000In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: SMCJ120A
TTI: SMCJ120A
Littelfuse
Availability:

3,000In Stock

ESD Protection Diodes / TVS Diodes 1.5kW 120V 5% Uni-Directional

3,000In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: 0466001.NRHF
TTI: 0466001.NRHF
Littelfuse
Availability:

10,000In Stock

Surface Mount Fuses 63V 1A FA HALIDE FREE SLIM

10,000In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: TMOV20RP625E
TTI: TMOV20RP625E
Littelfuse
Availability:

100In Stock

1,200 On Order
Expected 24-Feb-27
Varistors THERMALLY PROTECTED VARISTOR 20MM

100In Stock

1,200 On Order
Expected 24-Feb-27
Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: 1.5KE6.8CA
TTI: 1.5KE6.8CA
Littelfuse
Availability:

4,800In Stock

ESD Protection Diodes / TVS Diodes 1500W 5.8V Bi-Directional

4,800In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: 0477.500MXEP
TTI: 0477.500MXEP
Littelfuse
Availability:

1,280In Stock

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

1,280In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: 01500145Z
TTI: 01500145Z
Littelfuse
Availability:

900In Stock

Fuse Holder Inline

900In Stock

Please adjust quantity to Min / Mult value
Datasheet
Mfr: LPSC0001ZXID
TTI: LPSC0001ZXID
Littelfuse
Availability:

4In Stock

60 On Order
Expected 21-Oct-26
Fuse Holder 1 Pole for Class CC Fuse

4In Stock

60 On Order
Expected 21-Oct-26
Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: 05200001N
TTI: 05200001N
Littelfuse
Availability:

5,800In Stock

Fuse Clips FUSEHOLDER CLIP SILVER PLATING

5,800In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: 0473003.MRT1L
TTI: 0473003.MRT1L
Littelfuse
Availability:

1,000In Stock

Fuses with Leads - Through Hole 125V 3A Slo-Blo

1,000In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: SMAJ28A
TTI: SMAJ28A
Littelfuse
Availability:

10,000In Stock

ESD Protection Diodes / TVS Diodes 400W 28V 5% Uni-Directional

10,000In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: SMF18A
TTI: SMF18A
Littelfuse
Availability:

9,000In Stock

ESD Protection Diodes / TVS Diodes 200W 18V 5% Uni-directional

9,000In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: 0FHM0001LXN
TTI: 0FHM0001LXN
Littelfuse
Availability:

6,500In Stock

1,000 On Order
Expected 04-Dec-26
Fuse Holder MINI Fuse - Inline

6,500In Stock

1,000 On Order
Expected 04-Dec-26
Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: 1.5KE180CA
TTI: 1.5KE180CA
Littelfuse
Availability:

39,600In Stock

ESD Protection Diodes / TVS Diodes 1500W 154V Bi-Directional

39,600In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: 01220087Z
TTI: 01220087Z
Littelfuse
Availability:

1,000In Stock

Fuse Clips ACS 3AG PC FUSE CLIP

1,000In Stock

Please adjust quantity to Min / Mult value
Datasheet
Mfr: 0218015.MXP
TTI: 0218015.HXP
Littelfuse
Availability:

2,200In Stock

Cartridge Fuses 250V 15A Time Lag (Slo-Blo)

2,200In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: 880076
TTI: 880076
Littelfuse
Availability:

84In Stock

End of Life
Fuse Holder FUSE MODULE

84In Stock

Please adjust quantity to Min / Mult value
Call to Verify
Datasheet
Mfr: 0314004.MXP
TTI: 0314004.MXP
Littelfuse
Availability:

500In Stock

2,200 On Order
Expected 18-Nov-26
Cartridge Fuses 250V 4A Fast Acting

500In Stock

2,200 On Order
Expected 18-Nov-26
Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: RF0102-000
TTI: BD280-1130-10/16
Littelfuse
Availability:

500In Stock

Resettable Fuses - PPTC 10A 180mV BladeDevice

500In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
RF0102-000
Datasheet
Mfr: RF0092-000
TTI: BD280-1130-20/16
Littelfuse
Availability:

5,680In Stock

Resettable Fuses - PPTC 20A 135mV BladeDevice

5,680In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
RF0092-000
Datasheet
Mfr: 5.0SMDJ30CA
TTI: 5.0SMDJ30CA
Littelfuse
Availability:

39,000In Stock

ESD Protection Diodes / TVS Diodes 5kW 30V 5% Bi-Directional

39,000In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
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Incoming Inventory

Mfr
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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