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  • Circuit Protection

Bourns - Circuit Protection

11,913 Results

Categories of Circuit Protection

  • Circuit Breakers & Accessories (4)
  • Circuit Protection Kits (144)
  • ESD Protection Diodes / TVS Diodes (3,422)
  • Fuse Holders (26)
  • Fuses (2,252)
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  • LED Protection Devices (8)
  • Resettable Fuses - PPTC (1,544)
  • Surge Protective Devices - SPD (1,658)
  • Thermal Cutoffs (159)
  • Thermistors (1,845)
  • Thyristors (1,166)
  • Varistors (1,950)
11,913 Results
Filtered By:

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Part
Availability
Purchasing
RoHS/Lead
Part # Aliases
Datasheet
Mfr: SMCJ40CA
TTI: SMCJ40CA
Bourns
Availability:

9,000In Stock

ESD Protection Diodes / TVS Diodes 40volts 5uA 23.3 Amps Bi-Dir

9,000In Stock

Please adjust quantity to Min / Mult value
Datasheet
Mfr: MF-MSMF020/60-2
TTI: MF-MSMF020/60-2
Bourns
Availability:

18,000In Stock

105,000 On Order
Expected
Resettable Fuses - PPTC 60V 200MA-HD 40A MAX

18,000In Stock

105,000 On Order
Expected
Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: MF-USMF005-2
TTI: MF-USMF005-2
Bourns
Availability:

9,000In Stock

114,000 On Order
Expected
Resettable Fuses - PPTC 30V 50MA-HD 10A MAX

9,000In Stock

114,000 On Order
Expected
Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: MF-RX110/72-0
TTI: MF-RX110/72-0
Bourns
Availability:

9,400In Stock

Resettable Fuses - PPTC 72V 1.1A-HD 40A MAX

9,400In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: CD143A-SR2.8
TTI: CD143A-SR2.8
Bourns
Availability:

15,000In Stock

ESD Protection Diodes / TVS Diodes SOT 143 2.8V 300W Low Capacitance

15,000In Stock

Please adjust quantity to Min / Mult value
Datasheet
Mfr: SMCJ20A
TTI: SMCJ20A
Bourns
Availability:

12,000In Stock

ESD Protection Diodes / TVS Diodes 20volts 5uA 46.3 Amps Uni-Dir

12,000In Stock

Please adjust quantity to Min / Mult value
Datasheet
Mfr: TBU-CA065-100-WH
TTI: TBU-CA065-100-WH
Bourns
Availability:

21,000In Stock

45,000 On Order
Expected 23-Dec-26
Board Mount Surge Protectors Bi-directional TBU

21,000In Stock

45,000 On Order
Expected 23-Dec-26
Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: TBU-CA065-200-WH
TTI: TBU-CA065-200-WH
Bourns
Availability:

6,000In Stock

36,000 On Order
Expected
Board Mount Surge Protectors Bi-directional TBU

6,000In Stock

36,000 On Order
Expected
Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: SMBJ16A
TTI: SMBJ16A
Bourns
Availability:

30,000In Stock

ESD Protection Diodes / TVS Diodes 16volts 5uA 23.1 Amps Uni-Dir

30,000In Stock

Please adjust quantity to Min / Mult value
Datasheet
Mfr: SMBJ30A
TTI: SMBJ30A
Bourns
Availability:

12,000In Stock

24,000 On Order
Expected 22-Feb-27
ESD Protection Diodes / TVS Diodes 30volts 5uA 12.4 Amps Uni-Dir

12,000In Stock

24,000 On Order
Expected 22-Feb-27
Please adjust quantity to Min / Mult value
Datasheet
Mfr: 2036-09-SM-RPLF
TTI: 2036-09-SM-RPLF
Bourns
Availability:

5,000In Stock

12,000 On Order
Expected 20-Jan-27
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Sparkover100V/s 150V Miniature 3 Pole

5,000In Stock

12,000 On Order
Expected 20-Jan-27
Please adjust quantity to Min / Mult value
Datasheet
Mfr: MF-R110
TTI: MF-R110
Bourns
Availability:

4,400In Stock

Resettable Fuses - PPTC 30V 1.1A-HD 40A MAX

4,400In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
MF-R110-0-99
Datasheet
Mfr: SMAJ60CA
TTI: SMAJ60CA
Bourns
Availability:

380,000In Stock

ESD Protection Diodes / TVS Diodes 60volts 5uA 4.1 Amps Bi-Dir

380,000In Stock

Please adjust quantity to Min / Mult value
Datasheet
Mfr: SMCJ12A
TTI: SMCJ12A
Bourns
Availability:

12,000In Stock

ESD Protection Diodes / TVS Diodes 12volts 5uA 75.3 Amps Uni-Dir

12,000In Stock

Please adjust quantity to Min / Mult value
Datasheet
Mfr: SMAJ12A
TTI: SMAJ12A
Bourns
Availability:

15,000In Stock

ESD Protection Diodes / TVS Diodes 12volts 5uA 20.1 Amps Uni-Dir

15,000In Stock

Please adjust quantity to Min / Mult value
Datasheet
Mfr: SMBJ5.0CA
TTI: SMBJ5.0CA
Bourns
Availability:

12,000In Stock

24,000 On Order
Expected 13-Jan-27
ESD Protection Diodes / TVS Diodes 5volts 800uA 65.2 Amps Bi-Dir

12,000In Stock

24,000 On Order
Expected 13-Jan-27
Please adjust quantity to Min / Mult value
Datasheet
Mfr: MF-NSMF020-2
TTI: MF-NSMF020-2
Bourns
Availability:

15,000In Stock

24,000 On Order
Expected 18-Dec-26
Resettable Fuses - PPTC 24V 200MA-HD 10A MAX

15,000In Stock

24,000 On Order
Expected 18-Dec-26
Tariff May Apply
Please adjust quantity to Min / Mult value
Datasheet
Mfr: SMCJ33A
TTI: SMCJ33A
Bourns
Availability:

66,000In Stock

ESD Protection Diodes / TVS Diodes 33volts 5uA 28.1 Amps Uni-Dir

66,000In Stock

Please adjust quantity to Min / Mult value
Datasheet
Mfr: CDSOT23-SR208
TTI: CDSOT23-SR208
Bourns
Availability:

24,000In Stock

24,000 On Order
Expected 20-Nov-26
ESD Protection Diodes / TVS Diodes STEERING DIODE ARRAY

24,000In Stock

24,000 On Order
Expected 20-Nov-26
Please adjust quantity to Min / Mult value
CDS0T23-SR208
Datasheet
Mfr: SMCJ30A
TTI: SMCJ30A
Bourns
Availability:

15,000In Stock

27,000 On Order
Expected 23-Dec-26
ESD Protection Diodes / TVS Diodes 30volts 5uA 31 Amps Uni-Dir

15,000In Stock

27,000 On Order
Expected 23-Dec-26
Please adjust quantity to Min / Mult value
Datasheet
Mfr: SMCJ48A
TTI: SMCJ48A
Bourns
Availability:

15,000In Stock

21,000 On Order
Expected 05-Nov-26
ESD Protection Diodes / TVS Diodes 48volts 5uA 19.4 Amps Uni-Dir

15,000In Stock

21,000 On Order
Expected 05-Nov-26
Please adjust quantity to Min / Mult value
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: MF-USMF050-2
TTI: MF-USMF050-2
Bourns
Availability:

3,000In Stock

Resettable Fuses - PPTC 13V 500MA-HD 40A MAX

3,000In Stock

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

6,000In Stock

120,000 On Order
Expected
ESD Protection Diodes / TVS Diodes Bidirectional Ultra Low Cap

6,000In Stock

120,000 On Order
Expected
Please adjust quantity to Min / Mult value
CDS0D323-T05LC
Datasheet
Mfr: MF-R400
TTI: MF-R400
Bourns
Availability:

10,400In Stock

Resettable Fuses - PPTC 30V 4A-HD 40A MAX

10,400In Stock

Tariff May Apply
Please adjust quantity to Min / Mult value
MF-R400-0-99
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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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