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  • Circuit Protection

Circuit Protection

344,913 Results

Categories of Circuit Protection

  • Circuit Breakers & Accessories (144,159)
  • Circuit Protection Kits (1,021)
  • ESD Protection Diodes / TVS Diodes (71,666)
  • Fuse Holders (6,430)
  • Fuses (41,609)
  • Gas Discharge Tubes - GDTs / Gas Plasma Arrestors (5,510)
  • LED Protection Devices (293)
  • Panelboards & Load Centers (1)
  • Power Outlet Strips (3,777)
  • Resettable Fuses - PPTC (6,436)
  • Surge Protective Devices - SPD (10,991)
  • Thermal Cutoffs (391)
  • Thermistors (29,909)
  • Thyristors (10,095)
  • Varistors (29,026)
344,913 Results
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Part
Availability
Purchasing
RoHS/Lead
Part # Aliases
Datasheet
Mfr: B72220S0271K101
TTI: B72220S0271K101
TDK
Availability:

8,500In Stock

Varistors 275VAC 10% 20mm StandarD

8,500In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
B72220S271K101
Datasheet
Mfr: BK-ATC-7-1-2
TTI: BK-ATC-7-1-2
Bussmann / Eaton
Availability:

3,900In Stock

Automotive Fuses 7.5A 32V FAST ACTING BULK

3,900In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: MAHC0001ZXJ
TTI: MAHC0001ZXJ
Littelfuse
Availability:

532In Stock

Fuse Holder INLINE FUSEHOLDER 32V 60A MAXI

532In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
Call to Verify RoHS
Datasheet
Mfr: CDSOD323-T05LC
TTI: CDSOD323-T05LC
Bourns
Availability:

33,000In Stock

126,000 On Order
Expected
ESD Protection Diodes / TVS Diodes Bidirectional Ultra Low Cap

33,000In Stock

126,000 On Order
Expected
Please adjust quantity to Min / Mult value
CDS0D323-T05LC
Datasheet
Mfr: NTCLE305E4103SB
TTI: NTCLE305E4103SB
Vishay / BC Components
Availability:

3,500In Stock

NTC Thermistors 10Kohms Special Tol

3,500In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: SD05C-01FTG
TTI: SD05C-01FTG
Littelfuse
Availability:

96,000In Stock

138,000 On Order
Expected 15-Mar-27
ESD Protection Diodes / TVS Diodes 5V 450W 30A BiDirectional

96,000In Stock

138,000 On Order
Expected 15-Mar-27
Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: 0251007.MXL
TTI: 0251007.MXL
Littelfuse
Availability:

9,400In Stock

Fuses with Leads - Through Hole 125V 7A

9,400In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: 0312002.MXP
TTI: 0312002.MXP
Littelfuse
Availability:

4,800In Stock

4,800 On Order
Expected 14-Oct-26
Cartridge Fuses 250V 2A Fast Acting

4,800In Stock

4,800 On Order
Expected 14-Oct-26
Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: 0313002.MXP
TTI: 0313002.MXP
Littelfuse
Availability:

3,000In Stock

Cartridge Fuses 250V 2A Slo-Blo

3,000In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: BK-ATC-2
TTI: BK/ATC-2
Bussmann / Eaton
Availability:

2,400In Stock

Automotive Fuses BUSS ATC FUSE

2,400In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
BK-ATC-2
Datasheet
Mfr: SMAJ15A
TTI: SMAJ15A
Bourns
Availability:

40,000In Stock

ESD Protection Diodes / TVS Diodes 15volts 5uA 16.4 Amps Uni-Dir

40,000In Stock

Please adjust quantity to Min / Mult value
Datasheet
Mfr: SMBJ33A
TTI: SMBJ33A
Bourns
Availability:

48,000In Stock

ESD Protection Diodes / TVS Diodes 33volts 5uA 11.3 Amps Uni-Dir

48,000In Stock

Please adjust quantity to Min / Mult value
Datasheet
Mfr: 0495050.ZXA
TTI: 0495050.ZXA
Littelfuse
Availability:

1,950In Stock

Automotive Fuses 32V 50A

1,950In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: PDM33004ZXM
TTI: PDM33004ZXM
Littelfuse
Availability:

1,960In Stock

2,000 On Order
Expected 08-Dec-26
Fuse Holder PDM 130A 12C Blk straight

1,960In Stock

2,000 On Order
Expected 08-Dec-26
Please adjust quantity to Min / Mult value
Call to Verify RoHS
Datasheet
Mfr: 1019972
TTI: 1019972
Phoenix Contact
Availability:

270In Stock

Circuit Breakers TMC 71C 01A

270In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: CCMR010.TXP
TTI: CCMR010.TXP
Littelfuse
Availability:

160In Stock

500 On Order
Expected 04-Dec-26
Industrial & Electrical Fuses 10A 600VAC 250VDC Time-Delay

160In Stock

500 On Order
Expected 04-Dec-26
Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: KLDR1.25TXP
TTI: KLDR1.25TXP
Littelfuse
Availability:

1,860In Stock

Industrial & Electrical Fuses 1.25A 600VAC 300VDC Slo-Blo

1,860In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: NCP18XH103J03RB
TTI: NCP18XH103J03RB
Murata Electronics
Availability:

220,000In Stock

232,000 On Order
Expected 11-Feb-27
NTC Thermistors 10K OHM 5%

220,000In Stock

232,000 On Order
Expected 11-Feb-27
Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: B72220S2271K101
TTI: B72220S2271K101
TDK
Availability:

9,450In Stock

21,000 On Order
Expected 19-Nov-26
Varistors 275VAC 10% 20mm AdvanceD

9,450In Stock

21,000 On Order
Expected 19-Nov-26
Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: V300LA20AP
TTI: V300LA20AP
Littelfuse
Availability:

14,400In Stock

Varistors 300V 400pF

14,400In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: MF-R250
TTI: MF-R250
Bourns
Availability:

19,800In Stock

Resettable Fuses - PPTC 30V 2.5A-HD 40A MAX

19,800In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
MF-R250-0-99
Datasheet
Mfr: F30347-000
TTI: TRF600-150-2
Littelfuse
Availability:

63,000In Stock

Resettable Fuses - PPTC 600V .15A-HD 3A MAX

63,000In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
F30347-000
Datasheet
Mfr: BK-ATC-40
TTI: BK/ATC-40
Bussmann / Eaton
Availability:

74,500In Stock

Automotive Fuses 40A 32Vdc 1kA IR Orange

74,500In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
ATC-40
Datasheet
Mfr: V420LA40BP
TTI: V420LA40BP
Littelfuse
Availability:

2,500In Stock

3,600 On Order
Expected 18-Jan-27
Varistors 420V 600pF

2,500In Stock

3,600 On Order
Expected 18-Jan-27
Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: 0251002.MRT1L
TTI: 0251002.MRT1L
Littelfuse
Availability:

9,000In Stock

9,000 On Order
Expected 20-Nov-26
Fuses with Leads - Through Hole 125V 2A

9,000In Stock

9,000 On Order
Expected 20-Nov-26
Tariff May Apply
Please adjust quantity to Min / Mult value
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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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