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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Littelfuse Inc.
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CSA, UR | 50A | - | 750 mA | Board Mount (Cartridge Style Excluded) | 0.0411 | Through Hole | -55°C ~ 125°C | Fast Blow | 0.155" Dia x 0.280" L (3.94mm x 7.11mm) | 250 V | |
Littelfuse Inc.
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CSA, PSE, UL | 50A | - | 3.5 A | Board Mount (Cartridge Style Excluded) | 2.469 | 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, UL | 50A | - | 12 A | Board Mount (Cartridge Style Excluded) | 47.97 | 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) | 65 V | |
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Littelfuse Inc.
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UR | 50A | - | 62 mA | Board Mount (Cartridge Style Excluded) | 0.000192 | Through Hole | -55°C ~ 125°C | Fast Blow | 0.155" Dia x 0.280" L (3.94mm x 7.11mm) | 250 V | |
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Littelfuse Inc.
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CSA, UR | 50A | - | 125 mA | Board Mount (Cartridge Style Excluded) | 0.00251 | Through Hole | -55°C ~ 125°C | Fast Blow | 0.155" Dia x 0.280" L (3.94mm x 7.11mm) | 250 V | |
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Littelfuse Inc.
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CSA, UR | 50A | - | 375 mA | Board Mount (Cartridge Style Excluded) | 0.0444 | Through Hole | -55°C ~ 125°C | Fast Blow | 0.155" Dia x 0.280" L (3.94mm x 7.11mm) | 250 V | |
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Littelfuse Inc.
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CSA, UR | 50A | - | 500 mA | Board Mount (Cartridge Style Excluded) | 0.084 | Through Hole | -55°C ~ 125°C | Fast Blow | 0.155" Dia x 0.280" L (3.94mm x 7.11mm) | 250 V | |
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Littelfuse Inc.
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CSA, PSE, UR | 50A | - | 1 A | Board Mount (Cartridge Style Excluded) | 0.087 | Through Hole | -55°C ~ 125°C | Fast Blow | 0.155" Dia x 0.280" L (3.94mm x 7.11mm) | 250 V | |
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Littelfuse Inc.
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CSA, PSE, UR | 50A | - | 1.5 A | Board Mount (Cartridge Style Excluded) | 0.398 | Through Hole | -55°C ~ 125°C | Fast Blow | 0.155" Dia x 0.280" L (3.94mm x 7.11mm) | 250 V | |
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Littelfuse Inc.
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CSA, PSE, UR | 50A | - | 2 A | Board Mount (Cartridge Style Excluded) | 0.74 | Through Hole | -55°C ~ 125°C | Fast Blow | 0.155" Dia x 0.280" L (3.94mm x 7.11mm) | 250 V | |
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Littelfuse Inc.
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CSA, PSE, UR | 50A | - | 2.5 A | Board Mount (Cartridge Style Excluded) | 1.197 | Through Hole | -55°C ~ 125°C | Fast Blow | 0.155" Dia x 0.280" L (3.94mm x 7.11mm) | 250 V | |
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Littelfuse Inc.
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CSA, PSE, UR | 50A | - | 3 A | Board Mount (Cartridge Style Excluded) | 1.77 | Through Hole | -55°C ~ 125°C | Fast Blow | 0.155" Dia x 0.280" L (3.94mm x 7.11mm) | 250 V | |
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Littelfuse Inc.
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CSA, PSE, UR | 50A | - | 3.5 A | Board Mount (Cartridge Style Excluded) | 2.33 | Through Hole | -55°C ~ 125°C | Fast Blow | 0.155" Dia x 0.280" L (3.94mm x 7.11mm) | 250 V | |
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Littelfuse Inc.
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CSA, PSE, UR | 50A | - | 4 A | Board Mount (Cartridge Style Excluded) | 3.08 | Through Hole | -55°C ~ 125°C | Fast Blow | 0.155" Dia x 0.280" L (3.94mm x 7.11mm) | 250 V | |
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Littelfuse Inc.
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CSA, PSE, UR | 50A | - | 5 A | Board Mount (Cartridge Style Excluded) | 5.55 | Through Hole | -55°C ~ 125°C | Fast Blow | 0.155" Dia x 0.280" L (3.94mm x 7.11mm) | 250 V | |
Eaton - Electronics Division
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CCC, SEMKO, UL | 1.5kA | - | 1 A | Cartridge, Ceramic | 0.146 | Through Hole | - | Fast Blow | 0.218" Dia x 0.831" L (5.54mm x 21.10mm) | 250 V | |
Littelfuse Inc.
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cULus | 1kA | Black | 1 A | Automotive | 0.83 | Requires Holder | - | Fast Blow | 0.469" L x 0.150" W x 0.339" H (11.90mm x 3.80mm x 8.60mm) | 32 V | |
Littelfuse Inc.
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CSA, UL | 35A | - | 200 mA | Cartridge, Glass | 0.18 | Requires Holder | - | Slow Blow | 0.205" Dia x 0.787" L (5.20mm x 20.00mm) | 250 V | |
Littelfuse Inc.
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CSA, UL | 50A | - | 250 mA | Board Mount (Cartridge Style Excluded) | 0.003 | Surface Mount | -55°C ~ 90°C | Fast Blow | 0.063" L x 0.032" W x 0.012" H (1.60mm x 0.81mm x 0.31mm) | 32 V | |
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Littelfuse Inc.
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CSA, UL | 50A | - | 375 mA | Board Mount (Cartridge Style Excluded) | 0.0053 | Surface Mount | -55°C ~ 90°C | Fast Blow | 0.063" L x 0.032" W x 0.012" H (1.60mm x 0.81mm x 0.31mm) | 32 V | |
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Littelfuse Inc.
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CSA, UL | 50A | - | 500 mA | Board Mount (Cartridge Style Excluded) | 0.0087 | Surface Mount | -55°C ~ 90°C | Fast Blow | 0.063" L x 0.032" W x 0.012" H (1.60mm x 0.81mm x 0.31mm) | 32 V | |
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Littelfuse Inc.
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CSA, UL | 50A | - | 750 mA | Board Mount (Cartridge Style Excluded) | 0.0171 | Surface Mount | -55°C ~ 90°C | Fast Blow | 0.063" L x 0.032" W x 0.012" H (1.60mm x 0.81mm x 0.31mm) | 32 V | |
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Littelfuse Inc.
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CSA, UL | 50A | - | 1 A | Board Mount (Cartridge Style Excluded) | 0.0212 | Surface Mount | -55°C ~ 90°C | Fast Blow | 0.063" L x 0.032" W x 0.012" H (1.60mm x 0.81mm x 0.31mm) | 32 V | |
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Littelfuse Inc.
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CSA, UL | 35A | - | 1.25 A | Board Mount (Cartridge Style Excluded) | 0.032 | Surface Mount | -55°C ~ 90°C | Fast Blow | 0.063" L x 0.032" W x 0.012" H (1.60mm x 0.81mm x 0.31mm) | 32 V | |
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Littelfuse Inc.
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CSA, UL | 35A | - | 1.5 A | Board Mount (Cartridge Style Excluded) | 0.0526 | Surface Mount | -55°C ~ 90°C | Fast Blow | 0.063" L x 0.032" W x 0.012" H (1.60mm x 0.81mm x 0.31mm) | 32 V | |
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Littelfuse Inc.
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CSA, UL | 35A | - | 1.75 A | Board Mount (Cartridge Style Excluded) | 0.0661 | Surface Mount | -55°C ~ 90°C | Fast Blow | 0.063" L x 0.032" W x 0.012" H (1.60mm x 0.81mm x 0.31mm) | 32 V | |
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Littelfuse Inc.
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CSA, UL | 35A | - | 2 A | Board Mount (Cartridge Style Excluded) | 0.104 | Surface Mount | -55°C ~ 90°C | Fast Blow | 0.063" L x 0.032" W x 0.012" H (1.60mm x 0.81mm x 0.31mm) | 32 V | |
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Littelfuse Inc.
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CSA, UL | 35A | - | 2.5 A | Board Mount (Cartridge Style Excluded) | 0.175 | Surface Mount | -55°C ~ 90°C | Fast Blow | 0.063" L x 0.032" W x 0.012" H (1.60mm x 0.81mm x 0.31mm) | 32 V | |
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Littelfuse Inc.
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CSA, UL | 35A | - | 3 A | Board Mount (Cartridge Style Excluded) | 0.198 | Surface Mount | -55°C ~ 90°C | Fast Blow | 0.063" L x 0.032" W x 0.012" H (1.60mm x 0.81mm x 0.31mm) | 32 V | |
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Littelfuse Inc.
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CSA, UL | 35A | - | 5 A | Board Mount (Cartridge Style Excluded) | 1.297 | Surface Mount | -55°C ~ 90°C | Fast Blow | 0.063" L x 0.032" W x 0.012" H (1.60mm x 0.81mm x 0.31mm) | 32 V | |
Littelfuse Inc.
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BSI, CNCA, cULus, PSE, SEMKO, SEV, VDE | 1.5kA | - | 8 A | Cartridge, Ceramic | 77 | Requires Holder | -40°C ~ 85°C | Slow 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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BSI, CNCA, cULus, PSE, SEMKO, SEV, VDE | 1.5kA | - | 10 A | Cartridge, Ceramic | 180 | Requires Holder | -40°C ~ 85°C | Slow Blow | 0.205" Dia x 0.787" L (5.20mm x 20.00mm) | 250 V | |
Littelfuse Inc.
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CSA, UL | 35A | - | 250 mA | Board Mount (Cartridge Style Excluded) | 0.0025 | Surface Mount | -55°C ~ 90°C | Fast Blow | 0.039" L x 0.020" W x 0.013" H (1.00mm x 0.51mm x 0.33mm) | 32 V | |
Panasonic Electronic Components
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cUL, UL | 50A | - | 1.5 A | Board Mount (Cartridge Style Excluded) | - | Surface Mount | -40°C ~ 125°C | Fast Blow | 0.063" L x 0.031" W x 0.028" H (1.60mm x 0.80mm x 0.70mm) | 32 V | |
Littelfuse Inc.
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CSA, K-MARK, METI, UL | 200A | - | 10 A | Cartridge, Ceramic | 133 | Requires Holder | - | Medium Blow | 0.205" Dia x 0.787" L (5.20mm x 20.00mm) | 250 V | |
Eaton - Electronics Division
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CSA, UL | 1kA | - | 20 A | Cartridge, Glass | 2914 | Through Hole | - | Slow Blow | 0.266" Dia x 1.292" L (6.76mm x 32.82mm) | 32 V | |
Eaton - Electronics Division
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CSA, UL | 1.5kA AC, 10kA DC | - | 20 A | Cartridge, Ceramic | 439.5 | Through Hole | - | Slow Blow | 0.266" Dia x 1.292" L (6.76mm x 32.82mm) | 250 V | |
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Littelfuse Inc.
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CSA, UL | 50A AC, 300A DC | - | 375 mA | Board Mount (Cartridge Style Excluded) | - | Through Hole | - | Fast Blow | 0.095" Dia x 0.280" L (2.41mm x 7.11mm) | 125 V | |
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Littelfuse Inc.
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cULus, VDE | 150A | - | 400 mA | Cartridge, Glass | 2.4 | Requires Holder | - | Slow Blow | 0.205" Dia x 0.787" L (5.20mm x 20.00mm) | 250 V | |
Panasonic Electronic Components
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- | - | - | 700 mA | Board Mount (Cartridge Style Excluded) | - | Surface Mount | -55°C ~ 125°C | Fast Blow | 0.118" L x 0.091" W x 0.087" H (3.00mm x 2.30mm x 2.20mm) | 50 V | |
Panasonic Electronic Components
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- | - | - | 1.2 A | Board Mount (Cartridge Style Excluded) | - | Surface Mount | -55°C ~ 125°C | Fast Blow | 0.118" L x 0.091" W x 0.087" H (3.00mm x 2.30mm x 2.20mm) | 50 V | |
Panasonic Electronic Components
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- | - | - | 700 mA | Board Mount (Cartridge Style Excluded) | - | Surface Mount | -55°C ~ 125°C | Fast Blow | 0.067" L x 0.049" W x 0.028" H (1.70mm x 1.25mm x 0.70mm) | 50 V | |
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Panasonic Electronic Components
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- | - | - | 1 A | Board Mount (Cartridge Style Excluded) | - | Surface Mount | -55°C ~ 125°C | Fast Blow | 0.067" L x 0.049" W x 0.028" H (1.70mm x 1.25mm x 0.70mm) | 50 V | |
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Panasonic Electronic Components
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- | - | - | 1.2 A | Board Mount (Cartridge Style Excluded) | - | Surface Mount | -55°C ~ 125°C | Fast Blow | 0.067" L x 0.049" W x 0.028" H (1.70mm x 1.25mm x 0.70mm) | 50 V | |
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Littelfuse Inc.
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CSA, UL | 50A | - | 100 mA | Board Mount (Cartridge Style Excluded) | 0.00138 | 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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CSA, UL | 50A | - | 375 mA | Board Mount (Cartridge Style Excluded) | 0.0028 | Surface Mount | -55°C ~ 90°C | Fast Blow | 0.125" L x 0.060" W x 0.023" H (3.18mm x 1.52mm x 0.58mm) | 125 V | |
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Littelfuse Inc.
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CSA, UL | 50A | - | 600 mA | Board Mount (Cartridge Style Excluded) | 0.0131 | Surface Mount | -55°C ~ 90°C | Fast Blow | 0.125" L x 0.060" W x 0.023" H (3.18mm x 1.52mm x 0.58mm) | 63 V | |
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Littelfuse Inc.
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CSA, UL | 50A | - | 750 mA | Board Mount (Cartridge Style Excluded) | 0.017 | Surface Mount | -55°C ~ 90°C | Fast Blow | 0.125" L x 0.060" W x 0.023" H (3.18mm x 1.52mm x 0.58mm) | 63 V | |
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Littelfuse Inc.
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CSA, UL | 50A | - | 800 mA | Board Mount (Cartridge Style Excluded) | 0.0305 | Surface Mount | -55°C ~ 90°C | Fast Blow | 0.125" L x 0.060" W x 0.023" H (3.18mm x 1.52mm x 0.58mm) | 63 V | |
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Littelfuse Inc.
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CSA, UL | 50A | - | 1.25 A | Board Mount (Cartridge Style Excluded) | 0.065 | Surface Mount | -55°C ~ 90°C | Fast Blow | 0.125" L x 0.060" W x 0.023" H (3.18mm x 1.52mm x 0.58mm) | 63 V |
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