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Circuit Protection

Circuit Protection.jpg
Circuit protection is a crucial aspect of electronic components classification. It refers to the measures taken to prevent damage to electronic circuits due to overvoltage, overcurrent, or short circuits. Circuit protection devices such as fuses, circuit breakers, surge protectors, and voltage regulators are used to safeguard electronic components from damage caused by power surges, lightning strikes, and other electrical disturbances. These devices are designed to interrupt the flow of current when the voltage or current exceeds a safe level, thereby protecting the circuit and preventing damage to the electronic components. Circuit protection is essential for ensuring the reliability and longevity of electronic devices and systems.
Compare Image Name Manufacturer Pricing(USD) Quantity Weight(Kg) Size(LxWxH) Datasheet Factory Lead Time Mount Packaging Series Pbfree Code Part Status Moisture Sensitivity Level (MSL) ECCN Code Max Operating Temperature Min Operating Temperature Diameter Length RoHS Status Lead Free Current Rating Additional Feature Package / Case Reach Compliance Code Height Width Approval Agency Resistance Mounting Type Operating Temperature Size / Dimension Voltage - Rated DC Height Seated (Max) Voltage - Rated AC HTS Code Packing Method Physical Dimension Type JESD-609 Code Terminal Finish Surface Mount Terminal Shape Reference Standard Body Length or Diameter Rated Current Circuit Protection Type Blow Characteristic Fuse Size Trip Time or Delay Rated Voltage(DC) Body Height Case Code (Metric) Case Code (Imperial) Current Rating (Amps) Response Time Joule Integral-Nom Applications Lead Spacing Fuse Type Current - Max Voltage - Max Time to Trip Current - Hold (Ih) (Max) Breaking Capacity @ Rated Voltage Melting I2t DC Cold Resistance Resistance - Initial (Ri) (Min) Resistance - Post Trip (R1) (Max) Current - Trip (It)
SSQ 4 SSQ 4 Bel Fuse Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Cut Tape (CT) SSQ Not For New Designs 1 (Unlimited) ROHS3 Compliant 2-SMD, Square End Block CE, CSA, cULus Surface Mount -55°C~125°C 0.240Lx0.100W x 0.100 H 6.10mmx2.54mmx2.54mm 125V 125V 4A Fast Blow Board Mount (Cartridge Style Excluded) 50A AC 300A DC 5.1 0.019Ohms
SST 375/5K SST 375/5K Bel Fuse Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 9 Weeks Tape & Reel (TR) SST Active 1 (Unlimited) ROHS3 Compliant 2-SMD, Square End Block CE, CSA, cULus Surface Mount -55°C~125°C 0.240Lx0.100W x 0.100 H 6.10mmx2.54mmx2.54mm 125V 375mA Slow Blow Board Mount (Cartridge Style Excluded) 50A 0.15 0.72Ohm
RJS 600 RJS 600 Bel Fuse Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Bulk RJS Obsolete Not Applicable EAR99 Non-RoHS Compliant PRE-ARCING TIME: OPEN WITHIN 3 SEC. AT 200% RATED CURRENT Radial Bend Cylinder CE, CSA, cURus Through Hole -55°C~125°C 0.181Diax0.760L 4.60mmx19.30mm 600V 8536.10.00.40 19.3mm x 4.6mm e3 Matte Tin (Sn) NO PIN WIRE CE; CSA; UL 19.3mm 0.6A ELECTRIC FUSE TIME LAG 4.6mm 600mA Slow Blow 3 J Telecom Board Mount 60A 3.8 0.6Ohm
5TT 4-R 5TT 4-R Bel Fuse Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 10 Weeks Bulk 5TT Active 1 (Unlimited) ROHS3 Compliant 5mm x 20mm CE, CSA, PSE Holder -55°C~125°C 0.201Diax0.787L 5.10mmx20.00mm 125V 4A Slow Blow Cartridge, Glass 10kA 103 0.029Ohms
3AP 15 3AP 15 Bel Fuse Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Bulk 3AP Obsolete Not Applicable EAR99 Non-RoHS Compliant PRE-ARCING TIME: OPEN WITHIN 5 SEC. AT 200% RATED CURRENT 3AB, 3AG, 1/4 x 1-1/4 (Axial) CE, CSA, PSE, UL Through Hole -55°C~125°C 0.272Diax1.280L 6.90mmx32.50mm 125V 8536.10.00.40 6.9mm x 32.5mm NO PIN WIRE CE; CSA; PSE 6.9mm 15A ELECTRIC FUSE 32.5mm 15A Fast Blow 845 J Cartridge, Glass 10kA 845 0.006Ohm
3JS 100 3JS 100 Bel Fuse Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Bulk 3JS yes Obsolete Not Applicable EAR99 Non-RoHS Compliant PRE-ARCING TIME: OPEN WITHIN 30 MILLISEC. AT 1000% RATED CURRENT; RATED BREAKING CAPACITY AT 140 VDC: 150 A 2AG, 5mm x 15mm (Axial) CE, CSA, cURus, PSE Through Hole -55°C~125°C 0.217Diax0.591L 5.50mmx15.00mm 140V 350V 8536.10.00.40 6.2mm x 18mm e3 Matte Tin (Sn) NO PIN WIRE CE; CSA; UL 6.2mm 0.1A ELECTRIC FUSE TIME LAG 5x15mm 18mm 100mA Slow Blow Cartridge, Glass 100A AC 150A DC 0.068 11Ohm
MRT 800-BULK MRT 800-BULK Bel Fuse Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 17 Weeks Bulk MRT Active Not Applicable ROHS3 Compliant Radial, Can, Vertical CCC, CE, CSA, cURus, SEMKO, VDE Through Hole -55°C~125°C 0.329Dia x 0.303 H 8.35mmx7.70mm 250V 800mA Slow Blow Board Mount (Cartridge Style Excluded) 50A 4.2 0.095Ohm
5VT 2 5VT 2 Bel Fuse Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Bulk 5VT yes Obsolete Not Applicable EAR99 Non-RoHS Compliant 5mm x 20mm CE, CSA, SEMKO, UL, VDE Holder -55°C~125°C 0.201Diax0.787L 5.10mmx20.00mm 250V 5.1mm x 20mm e3 Matte Tin (Sn) NO END CAP CCC; CE; CSA; IEC; SEMKO; UL; VDE 5.1mm 2.5A ELECTRIC FUSE TIME LAG 5x20mm 20mm 2A Slow Blow 142 J Cartridge, Glass 35A 92 0.04Ohm
RST 125-BULK RST 125-BULK Bel Fuse Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 16 Weeks Bulk RST Active 1 (Unlimited) ROHS3 Compliant Radial, Box CCC, CE, cURus, SEMKO, VDE Through Hole -55°C~125°C 0.329Lx0.157W x 0.303 H 8.35mmx4.00mmx7.70mm 250V 125mA Slow Blow Board Mount (Cartridge Style Excluded) 100A 0.04 1.6Ohm
GSA 1-R GSA 1-R Bel Fuse Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 8 Weeks Bulk GSA yes Active EAR99 ROHS3 Compliant 3AB, 3AG, 1/4 x 1-1/4 CE, CSA, cULus, PSE Holder -55°C~125°C 0.250Diax1.252L 6.35mmx31.80mm 250V 6.35mm x 31.8mm NO END CAP CE; CSA; PSE; UL 6.35mm 1A ELECTRIC FUSE 6x32mm 31.8mm 1A Slow Blow 16 J Cartridge, Ceramic 35A 16 0.374Ohm
RST 630 AMMO RST 630 AMMO Bel Fuse Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 19 Weeks Tape & Box (TB) RST Active ROHS3 Compliant Radial, Box CCC, CE, cURus, SEMKO, VDE Through Hole -55°C~125°C 0.329Lx0.157W x 0.303 H 8.35mmx4.00mmx7.70mm 250V 630mA Slow Blow Board Mount (Cartridge Style Excluded) 100A 2.6 0.13Ohm
RST 160-BULK RST 160-BULK Bel Fuse Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 16 Weeks Bulk RST Active 1 (Unlimited) ROHS3 Compliant Radial, Box CCC, CE, cURus, SEMKO, VDE Through Hole -55°C~125°C 0.329Lx0.157W x 0.303 H 8.35mmx4.00mmx7.70mm 250V 160mA Slow Blow Board Mount (Cartridge Style Excluded) 100A 0.06 1.1Ohm
C1F 2.5 C1F 2.5 Bel Fuse Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Cut Tape (CT) C1F Discontinued 1 (Unlimited) ROHS3 Compliant 1206 (3216 Metric) cURus Surface Mount -55°C~125°C 0.126Lx0.062W 3.20mmx1.58mm 63V 125V 2.5A Fast Blow Board Mount (Cartridge Style Excluded) 100A AC 50A DC 0.156 0.049Ohms
3JQ 2.5 3JQ 2.5 Bel Fuse Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Bulk 3JQ yes Obsolete Not Applicable EAR99 Non-RoHS Compliant RATED BREAKING CAPACITY: 150 A 2AG, 5mm x 15mm (Axial) CE, CSA, cURus, PSE Through Hole -55°C~125°C 0.217Diax0.591L 5.50mmx15.00mm 140V 350V 5.5mm x 15mm e3 Matte Tin (Sn) NO PIN WIRE CE; CSA; PSE; UL 5.5mm 0.25A ELECTRIC FUSE VERY FAST 5x15mm 15mm 2.5A Fast Blow Cartridge, Glass 100A AC 150A DC 4 0.034Ohm
5MT 125 5MT 125 Bel Fuse Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Bulk 5MT yes Obsolete Not Applicable EAR99 Non-RoHS Compliant 5mm x 20mm CE, CSA, cULus Holder -55°C~125°C 0.201Diax0.787L 5.10mmx20.00mm 250V 5.1mm x 20mm e3 Matte Tin (Sn) NO END CAP CE; CSA; PSE; UL 5.1mm 0.125A ELECTRIC FUSE 5x20mm 20mm 125mA Medium Blow Cartridge, Glass 35A 0.04 7.87Ohm
RJS 750 RJS 750 Bel Fuse Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Bulk RJS Obsolete Not Applicable EAR99 Non-RoHS Compliant PRE-ARCING TIME: OPEN WITHIN 3 SEC. AT 200% RATED CURRENT Radial Bend Cylinder CE, CSA, cURus Through Hole -55°C~125°C 0.181Diax0.760L 4.60mmx19.30mm 600V 8536.10.00.40 19.3mm x 4.6mm e3 Matte Tin (Sn) NO PIN WIRE CE; CSA; UL 19.3mm 0.75A ELECTRIC FUSE TIME LAG 4.6mm 750mA Slow Blow 4 J Telecom Board Mount 60A 5.5 0.44Ohm
MQ 100 MQ 100 Bel Fuse Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Bulk MQ yes Obsolete Not Applicable EAR99 RoHS Compliant PRE-ARCING TIME: OPEN WITHIN 5 SEC AT 200% RATED CURRENT; RATED BREAKING CAPACITY AT 125 VDC: 300 A Axial compliant CE, CSA, cURus Through Hole -55°C~125°C 0.125Diax0.280L 3.18mmx7.10mm 125V 8536.10.00.40 3.18mm x 7.1mm e3 Matte Tin (Sn) NO PIN WIRE CE; CSA; UL 3.18mm 0.1A ELECTRIC FUSE VERY FAST 14400 s 125V 7.1mm 100mA Fast Blow Board Mount (Cartridge Style Excluded) 50A AC 300A DC 0.0007 13.8Ohm
5ET 5 5ET 5 Bel Fuse Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Bulk 5ET yes Obsolete Not Applicable EAR99 Non-RoHS Compliant 5mm x 20mm CCC, CE, CSA, cULus, SEMKO, VDE Holder -55°C~125°C 0.201Diax0.787L 5.10mmx20.00mm 250V 5.1mm x 20mm e3 Tin (Sn) NO END CAP CCC; CE; CSA; SEMKO; UL; VDE 5.1mm 5A ELECTRIC FUSE TIME LAG 5x20mm 20mm 5A Slow Blow 444 J Cartridge, Glass 150A 444 0.012Ohm
0ADEC9250-BE 0ADEC9250-BE Bel Fuse Inc. 2.9474
Add to Cart

Min: 1

Mult: 1

0.00000000 6 Weeks Bulk 0ADEC Active 1 (Unlimited) ROHS3 Compliant 3AB, 3AG, 1/4 x 1-1/4 cURus Holder -50°C~105°C 0.252Diax1.252L 6.40mmx31.80mm 500V 500V 25A Fast Blow Cartridge, Ceramic 30kA AC 20kA DC 200 0.0046Ohms
0680L3500-21 0680L3500-21 Bel Fuse Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 8 Weeks Tape & Reel (TR) 0680L Active 1 (Unlimited) ROHS3 Compliant 2-SMD, Square End Block AEC-Q200, CE, cURus Surface Mount -55°C~125°C 0.240Lx0.100W x 0.100 H 6.10mmx2.54mmx2.54mm 125V 125V 3.5A Slow Blow Board Mount (Cartridge Style Excluded) 50A AC 100A DC 18 0.03Ohms
MJS 750-R MJS 750-R Bel Fuse Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 9 Weeks Bulk MJS yes Active EAR99 ROHS3 Compliant 2AG, 5mm x 15mm (Axial) CE, CSA, cULus Through Hole -55°C~125°C 0.217Diax0.591L 5.50mmx15.00mm 250V 6.2mm x 15mm e3 Matte Tin (Sn) NO PIN WIRE CE; CSA; UL 6.2mm 0.75A ELECTRIC FUSE 5x15mm 15mm 750mA Slow Blow 3 J Cartridge, Glass 200A 3 0.31Ohm
0ZRP0110FF1E 0ZRP0110FF1E Bel Fuse Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 14 Weeks 0ZRP Active Not Applicable ROHS3 Compliant Radial, Disc cURus, UL Through Hole -40°C~85°C 0.299Lx0.142W 7.60mmx3.60mm 0.591 15.00mm Polymeric 0.201 5.10mm 40A 60V 3s 1.1A 170mOhms 470mOhms 2.2A
5SF 800-R 5SF 800-R Bel Fuse Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 9 Weeks Bulk 5SF yes Active 1 (Unlimited) EAR99 ROHS3 Compliant 5mm x 20mm CCC, CE, CSA, cURus, IMQ, PSE, SEMKO, VDE Holder -55°C~125°C 0.201Diax0.787L 5.10mmx20.00mm 250V e3 Matte Tin (Sn) NO END CAP CCC; CE; CSA; SEMKO; UL; VDE 0.8A ELECTRIC FUSE 5x20mm 20mm 800mA Fast Blow 1 J Cartridge, Glass 35A 1 0.112Ohm
0659P5000-13 0659P5000-13 Bel Fuse Inc. 0.2386
Add to Cart

Min: 1

Mult: 1

0.00000000 7 Weeks Through Hole Bulk 0659P Active 1 (Unlimited) 125°C -55°C 19.9898mm ROHS3 Compliant 5A 5mm x 20mm (Axial) CQC, cURus, PSE, VDE 13mOhm Through Hole -55°C~125°C 0.205Diax0.787L 5.20mmx20.00mm 250V 5A Slow Blow Cartridge, Ceramic 1.5kA 92.5 0.013Ohms
5HTP 2 5HTP 2 Bel Fuse Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Bulk 5HTP yes Obsolete Not Applicable EAR99 Non-RoHS Compliant 5mm x 20mm (Axial) CCC, CE, CSA, IMQ, PSE, SEMKO, UL, VDE Through Hole -55°C~125°C 0.217Diax0.827L 5.50mmx21.00mm 250V 8536.10.00.40 BOX; TAPE AND REEL 5.5mm x 21mm e3 Matte Tin (Sn) NO PIN WIRE CCC; CE; CSA; IMQ; PSE; SEMKO; UL; VDE 5.5mm 2.5A ELECTRIC FUSE TIME LAG 5x20mm 21mm 2A Slow Blow 17 J Cartridge, Ceramic 1.5kA 9.7 0.07Ohm
0ADEP9300-RE 0ADEP9300-RE Bel Fuse Inc. 4.0160
Add to Cart

Min: 1

Mult: 1

0.00000000 6 Weeks Bulk 0ADEP Active 1 (Unlimited) ROHS3 Compliant INTERRUPTING CURRENT-MAX(DC): 20000 A, PRE ARCING TIME: OPEN WITHIN 10 SEC AT 300% RATED CURRENT 3AB, 3AG, 1/4 x 1-1/4 (Axial) cURus Through Hole -50°C~105°C 0.268Diax1.291L 6.81mmx32.79mm 500V BOX 6.8mm x 32.8mm e3 Tin (Sn) NO PIN WIRE CUL; UL 6.8mm 30A ELECTRIC FUSE 500V 32.8mm 30A Fast Blow 270 J Cartridge, Ceramic 30kA AC 20kA DC 270 0.0037Ohm
0679L0630-01 0679L0630-01 Bel Fuse Inc. 0.3194
Add to Cart

Min: 1

Mult: 1

0.00000000 8 Weeks Surface Mount Tape & Reel (TR) 0679L Active 1 (Unlimited) 125°C -55°C 6.096mm ROHS3 Compliant 630mA 2-SMD, Square End Block 2.794mm 2.54mm cURus 170mOhm Surface Mount -55°C~125°C 0.240Lx0.100W x 0.110 H 6.10mmx2.54mmx2.79mm 125V 125V 6125 2410 630mA Fast Blow Board Mount (Cartridge Style Excluded) 50A AC 300A DC 0.15 0.17Ohms
MRT 80-BULK MRT 80-BULK Bel Fuse Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 16 Weeks Bulk MRT Active Not Applicable ROHS3 Compliant Radial, Can, Vertical CCC, CE, CSA, cURus, SEMKO, VDE Through Hole -55°C~125°C 0.329Dia x 0.303 H 8.35mmx7.70mm 250V 80mA Slow Blow Board Mount (Cartridge Style Excluded) 50A 0.01 3.5Ohm
MRT 5AMMO MRT 5AMMO Bel Fuse Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 17 Weeks Tape & Box (TB) MRT Active Not Applicable EAR99 ROHS3 Compliant Radial, Can, Vertical CCC, CE, CSA, cURus, PSE, SEMKO, VDE Through Hole -55°C~125°C 0.329Dia x 0.303 H 8.35mmx7.70mm 250V 8.35mm x 7.7mm e3 Matte Tin (Sn) CCC, CE, CSA, PSE, UL, VDE 8.35mm 5A Electric Fuse TIME LAG MICRO 7.7mm 5A Slow Blow Board Mount (Cartridge Style Excluded) 50A 175 0.01Ohm
0650-5000-12 0650-5000-12 Bel Fuse Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Holder Bulk 5HF Obsolete Not Applicable 125°C -55°C 5.1mm 19.9898mm Non-RoHS Compliant Contains Lead 5A 5mm x 20mm CCC, CE, CSA, IMQ, PSE, SEMKO, UR, VDE 16mOhm Holder -55°C~125°C 0.201Diax0.787L 5.10mmx20.00mm 250V 250V 5A Fast Blow Cartridge, Ceramic 1.5kA 39 0.016Ohms
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