What are Fuses ?
Fuses are protective devices that interrupt electrical circuits to prevent damage from overloads or short circuits. They are commonly used in applications like new product design, maintenance, and field replacement. Important specifications for selecting fuses include Current Rating (Amps), which determines the maximum current the fuse can handle; Breaking Capacity @ Rated Voltage, which indicates the maximum fault current the fuse can safely interrupt; and Fuse Type, which affects the response time and application suitability. Ensuring compatibility with existing designs and validating lifecycle status are crucial for effective procurement.
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| Part & Mfr | Total Stock | Pricing & RFQ | Approval Agency | Breaking Capacity @ Rated Voltage | Color | Current Rating (Amps) | Fuse Type | Melting I²t | Mounting Type | Operating Temperature | Response Time | Size | Voltage Rating | |
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Littelfuse Inc.
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cULus | 50A | - | 100 mA | Cartridge, Ceramic | 0.0054 | Through Hole | -55°C ~ 125°C | Fast Blow | 0.142" Dia x 0.394" L (3.60mm x 10.00mm) | 250 V | |
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Littelfuse Inc.
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cULus | 50A | - | 125 mA | Cartridge, Ceramic | 0.0072 | Through Hole | -55°C ~ 125°C | Fast Blow | 0.142" Dia x 0.394" L (3.60mm x 10.00mm) | 250 V | |
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Littelfuse Inc.
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cULus | 50A | - | 250 mA | Cartridge, Ceramic | 0.03 | Through Hole | -55°C ~ 125°C | Fast Blow | 0.142" Dia x 0.394" L (3.60mm x 10.00mm) | 250 V | |
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Littelfuse Inc.
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cULus | 50A | - | 300 mA | Cartridge, Ceramic | 0.039 | Through Hole | -55°C ~ 125°C | Fast Blow | 0.142" Dia x 0.394" L (3.60mm x 10.00mm) | 250 V | |
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Littelfuse Inc.
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cULus | 50A | - | 400 mA | Cartridge, Ceramic | 0.12 | Through Hole | -55°C ~ 125°C | Fast Blow | 0.142" Dia x 0.394" L (3.60mm x 10.00mm) | 250 V | |
Eaton - Electronics Division
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CCC, cULus, KC-MARK, PSE, SEMKO, VDE | 63A | - | 6.3 A | Board Mount (Cartridge Style Excluded) | 200 | Through Hole | -40°C ~ 85°C | Slow Blow | 0.335" Dia x 0.319" H (8.50mm x 8.10mm) | 250 V | |
Littelfuse Inc.
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CSA, UR | 50A | - | 200 mA | Board Mount (Cartridge Style Excluded) | 0.0089 | Surface Mount | -55°C ~ 125°C | Fast Blow | 0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm) | 125 V | |
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Littelfuse Inc.
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CSA, UR | 50A | - | 250 mA | Board Mount (Cartridge Style Excluded) | 0.0158 | Surface Mount | -55°C ~ 125°C | Fast Blow | 0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm) | 125 V | |
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Littelfuse Inc.
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CSA, UR | 50A | - | 315 mA | Board Mount (Cartridge Style Excluded) | 0.0311 | Surface Mount | -55°C ~ 125°C | Fast Blow | 0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm) | 125 V | |
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Littelfuse Inc.
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CSA, UR | 50A | - | 375 mA | Board Mount (Cartridge Style Excluded) | 0.0425 | Surface Mount | -55°C ~ 125°C | Fast Blow | 0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm) | 125 V | |
Littelfuse Inc.
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CE, CSA, K-MARK, PSE, UL | 400A AC, 500A DC | - | 12 A | Cartridge, Ceramic | 129 | Through Hole | -55°C ~ 125°C | Slow Blow | 0.275" Dia x 1.288" L (6.99mm x 32.72mm) | 250 V | |
Littelfuse Inc.
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SAE, UL | - | Gray | 2 A | Automotive | - | Requires Holder | - | Fast Blow | 0.429" L x 0.150" W x 0.331" H (10.90mm x 3.80mm x 8.40mm) | 32 V | |
Littelfuse Inc.
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CE, CSA, UL | 35A | - | 100 mA | Cartridge, Glass | 0.00102 | Through Hole | -55°C ~ 125°C | Fast Blow | 0.275" Dia x 1.288" L (6.99mm x 32.72mm) | 250 V | |
Littelfuse Inc.
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cURus, PSE, SEMKO, VDE | 100A AC, 1.5kA DC | - | 1 A | Cartridge, Ceramic | 1.8 | Requires Holder | -55°C ~ 125°C | Slow Blow | 0.205" Dia x 0.787" L (5.20mm x 20.00mm) | 500 V | |
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Littelfuse Inc.
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cURus, PSE, SEMKO | 100A AC, 500A DC | - | 5 A | Cartridge, Ceramic | 76.5 | Requires Holder | -55°C ~ 125°C | Slow Blow | 0.197" Dia x 0.787" L (5.00mm x 20.00mm) | 500 V | |
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Littelfuse Inc.
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cULus, METI, SEMKO, VDE | 100A AC, 1.5kA DC | - | 3.15 A | Cartridge, Ceramic | 50.109 | Requires Holder | -55°C ~ 125°C | Slow Blow | 0.205" Dia x 0.787" L (5.20mm x 20.00mm) | 500 V | |
Littelfuse Inc.
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CSA, UL | 35A | - | 2.5 A | Cartridge, Glass | 50 | Through Hole | -55°C ~ 125°C | Slow Blow | 0.185" Dia x 0.570" L (4.70mm x 14.48mm) | 250 V | |
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Littelfuse Inc.
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Littelfuse Inc.
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Littelfuse Inc.
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Littelfuse Inc.
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CE, CSA, UL | 100A AC, 10kA DC | - | 700 mA | Cartridge, Ceramic | 6.42 | Through Hole | -55°C ~ 125°C | Slow Blow | 0.275" Dia x 1.288" L (6.99mm x 32.72mm) | 250 V | |
Littelfuse Inc.
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CSA, UR | 50A | - | 250 mA | Board Mount (Cartridge Style Excluded) | 0.0165 | Through Hole | -55°C ~ 125°C | Fast Blow | 0.155" Dia x 0.280" L (3.94mm x 7.11mm) | 250 V | |
Phoenix Contact
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- | - | - | 200 mA | Board Mount (Cartridge Style Excluded) | - | Through Hole | - | Slow Blow | - | 250 V | |
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Littelfuse Inc.
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UL | - | - | 30 A | Cartridge, Glass | 0.06 | Requires Holder | - | Fast Blow | 0.250" Dia x 1.437" L (6.35mm x 36.51mm) | 32 V | |
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Littelfuse Inc.
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UL | - | - | 7.5 A | Cartridge, Glass | 0.071 | Requires Holder | - | Fast Blow | 0.250" Dia x 0.875" L (6.35mm x 22.23mm) | 32 V | |
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Littelfuse Inc.
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UL | - | - | 14 A | Cartridge, Glass | 0.017 | Requires Holder | - | Fast Blow | 0.250" Dia x 1.063" L (6.35mm x 27.00mm) | 32 V | |
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Littelfuse Inc.
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UL | - | - | 6 A | Cartridge, Glass | 0.0028 | Requires Holder | - | Fast Blow | 0.250" Dia x 0.750" L (6.35mm x 19.05mm) | 32 V | |
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Littelfuse Inc.
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- | - | - | 20 A | Cartridge, Glass | - | Requires Holder | - | - | 0.250" Dia x 1.250" L (6.35mm x 31.75mm) | 32 V | |
Littelfuse Inc.
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- | - | - | 12 A | Cartridge, Glass | - | Requires Holder | - | - | 0.250" Dia x 1.250" L (6.35mm x 31.75mm) | 32 V | |
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Littelfuse Inc.
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- | - | - | 4 A | Cartridge, Glass | - | Requires Holder | - | - | 0.250" Dia x 1.250" L (6.35mm x 31.75mm) | 32 V | |
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Littelfuse Inc.
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- | - | - | 20 A | Cartridge, Glass | - | Requires Holder | - | - | 0.250" Dia x 1.250" L (6.35mm x 31.75mm) | 32 V | |
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Littelfuse Inc.
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UL | - | - | 4 A | Cartridge, Glass | 0.0016 | Requires Holder | - | Fast Blow | 0.250" Dia x 0.625" L (6.35mm x 15.88mm) | 32 V | |
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Littelfuse Inc.
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- | - | - | 1 A | Cartridge, Glass | - | Requires Holder | - | Fast Blow | 0.250" Dia x 1.000" L (6.35mm x 25.40mm) | 32 V | |
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Littelfuse Inc.
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- | - | - | 3 A | Cartridge, Glass | - | Requires Holder | - | Fast Blow | 0.250" Dia x 1.000" L (6.35mm x 25.40mm) | 32 V | |
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Littelfuse Inc.
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- | - | - | 2 A | Cartridge, Glass | - | Requires Holder | - | Fast Blow | 0.250" Dia x 1.000" L (6.35mm x 25.40mm) | 32 V | |
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Littelfuse Inc.
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- | - | - | 4 A | Cartridge, Glass | - | Requires Holder | - | Fast Blow | 0.250" Dia x 1.000" L (6.35mm x 25.40mm) | 32 V | |
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Littelfuse Inc.
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- | - | - | 30 A | Cartridge, Glass | - | Requires Holder | - | - | 0.250" Dia x 0.625" L (6.35mm x 15.88mm) | 32 V | |
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Littelfuse Inc.
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cULus | 50A | - | 160 mA | Board Mount (Cartridge Style Excluded) | 0.0048 | Requires Holder, Surface Mount | -55°C ~ 125°C | Fast Blow | 0.256" L x 0.146" W x 0.154" H (6.50mm x 3.70mm x 3.90mm) | 125 V | |
Littelfuse Inc.
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CSA, METI, PSE, UL | 50A | - | 3.15 A | Board Mount (Cartridge Style Excluded) | 1.92 | Requires Holder, Surface Mount | -55°C ~ 125°C | Fast Blow | 0.383" L x 0.198" W x 0.150" H (9.73mm x 5.03mm x 3.81mm) | 125 V | |
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Littelfuse Inc.
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cULus, PSE | 50A | - | 1.6 A | Board Mount (Cartridge Style Excluded) | 1.06 | Requires Holder, Surface Mount | -55°C ~ 125°C | Fast Blow | 0.256" L x 0.146" W x 0.154" H (6.50mm x 3.70mm x 3.90mm) | 125 V | |
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Littelfuse Inc.
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cULus | 50A | - | 630 mA | Board Mount (Cartridge Style Excluded) | 0.143 | Requires Holder, Surface Mount | -55°C ~ 125°C | Fast Blow | 0.256" L x 0.146" W x 0.154" H (6.50mm x 3.70mm x 3.90mm) | 125 V | |
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Littelfuse Inc.
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cULus | 50A | - | 400 mA | Board Mount (Cartridge Style Excluded) | 0.0484 | Requires Holder, Surface Mount | -55°C ~ 125°C | Fast Blow | 0.256" L x 0.146" W x 0.154" H (6.50mm x 3.70mm x 3.90mm) | 125 V | |
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Littelfuse Inc.
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cULus | 50A | - | 800 mA | Board Mount (Cartridge Style Excluded) | 0.271 | Requires Holder, Surface Mount | -55°C ~ 125°C | Fast Blow | 0.256" L x 0.146" W x 0.154" H (6.50mm x 3.70mm x 3.90mm) | 125 V | |
Littelfuse Inc.
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CCC, CE, CSA, K-MARK, SEMKO, UL, VDE | 35A | - | 32 mA | Cartridge, Glass | 6E-05 | Through Hole | -55°C ~ 125°C | Fast Blow | 0.236" Dia x 0.886" L (6.00mm x 22.50mm) | 250 V | |
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Littelfuse Inc.
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CCC, CE, CSA, K-MARK, SEMKO, UL, VDE | 35A | - | 50 mA | Cartridge, Glass | 0.00019 | Through Hole | -55°C ~ 125°C | Fast Blow | 0.236" Dia x 0.886" L (6.00mm x 22.50mm) | 250 V | |
Littelfuse Inc.
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CE, CSA, METI, UL | 100A | - | 5 A | Cartridge, Glass | 17 | Through Hole | -55°C ~ 125°C | Fast Blow | 0.185" Dia x 0.570" L (4.70mm x 14.48mm) | 250 V | |
Littelfuse Inc.
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cULus | 80A | - | 250 mA | Cartridge, Glass | 0.13 | Requires Holder | -25°C ~ 70°C | Medium Blow | 0.205" Dia x 0.787" L (5.20mm x 20.00mm) | 250 V | |
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Littelfuse Inc.
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cULus | 80A | - | 125 mA | Cartridge, Glass | 0.033 | Requires Holder | -25°C ~ 70°C | Medium Blow | 0.205" Dia x 0.787" L (5.20mm x 20.00mm) | 250 V | |
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Littelfuse Inc.
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CE, UR | 1.5kA | - | 25 A | Cartridge, Ceramic | 4682 | Through Hole | -55°C ~ 125°C | Slow Blow | 0.275" Dia x 1.288" L (6.99mm x 32.72mm) | 250 V | |
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Littelfuse Inc.
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CSA, METI, PSE, UL | 50A | - | 1.6 A | Board Mount (Cartridge Style Excluded) | 1.06 | Requires Holder, Surface Mount | -55°C ~ 125°C | Fast Blow | 0.383" L x 0.198" W x 0.150" H (9.73mm x 5.03mm x 3.81mm) | 125 V |
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