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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
OptiFuse
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cULus | 50A | - | 15 A | Cartridge, Glass | 243.7 | Requires Holder | -55°C ~ 125°C | Fast Blow | 0.142" Dia x 0.394" L (3.60mm x 10.00mm) | 250 V | |
Littelfuse Inc.
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cURus, PSE, VDE | 100A | - | 4 A | Board Mount (Cartridge Style Excluded) | 58 | Through Hole | -65°C ~ 125°C | Slow Blow | 0.335" Dia x 0.315" H (8.50mm x 8.00mm) | 300 V | |
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Littelfuse Inc.
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cURus, PSE, VDE | 50A | - | 5 A | Board Mount (Cartridge Style Excluded) | 90 | Through Hole | -65°C ~ 125°C | Slow Blow | 0.335" Dia x 0.315" H (8.50mm x 8.00mm) | 300 V | |
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Littelfuse Inc.
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cURus, PSE | 100A | - | 1 A | Board Mount (Cartridge Style Excluded) | 3 | Through Hole | -65°C ~ 125°C | Slow Blow | 0.335" Dia x 0.315" H (8.50mm x 8.00mm) | 300 V | |
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Littelfuse Inc.
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cURus, PSE | 100A | - | 2.5 A | Board Mount (Cartridge Style Excluded) | 22 | Through Hole | -65°C ~ 125°C | Slow Blow | 0.335" Dia x 0.315" H (8.50mm x 8.00mm) | 300 V | |
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Littelfuse Inc.
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cURus, PSE | 100A | - | 2 A | Board Mount (Cartridge Style Excluded) | 12 | Through Hole | -65°C ~ 125°C | Slow Blow | 0.335" Dia x 0.315" H (8.50mm x 8.00mm) | 300 V | |
Littelfuse Inc.
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cULus, PSE | 50A | - | 3.5 A | Board Mount (Cartridge Style Excluded) | 2.469 | 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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CE, CSA, KC, PSE, UL | 100A | - | 2 A | Cartridge, Glass | 2.645 | Through Hole | -55°C ~ 125°C | Fast Blow | 0.228" Dia x 0.886" L (5.80mm x 22.50mm) | 250 V | |
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Littelfuse Inc.
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CE, CSA, KC, PSE, UL | 10kA | - | 5 A | Cartridge, Glass | 27.41 | Through Hole | -55°C ~ 125°C | Fast Blow | 0.228" Dia x 0.886" L (5.80mm x 22.50mm) | 125 V | |
OptiFuse
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- | - | Violet | 200 A | Automotive | - | Bolt Mount | - | Fast Blow | 0.630" L x 0.472" W x 0.315" H (16.00mm x 12.00mm x 8.00mm) | 32 V | |
Eaton - Electronics Division
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cULus, PSE/JET | 1.5kA | - | 10 A | Cartridge, Ceramic | 349.5 | Through Hole | -40°C ~ 85°C | Slow Blow | 0.218" Dia x 0.831" L (5.54mm x 21.10mm) | 600 V | |
OptiFuse
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cURus | 100A | - | 12 A | Cartridge, Glass | - | Requires Holder | -55°C ~ 125°C | Fast Blow | 0.177" Dia x 0.591" L (4.50mm x 15.00mm) | 250 V | |
Littelfuse Inc.
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CCC, CSA, cURus, PSE, TUV | 50A AC, 300A DC | - | 4 A | Board Mount (Cartridge Style Excluded) | 2.45 | Through Hole | -55°C ~ 125°C | Fast Blow | 0.110" Dia x 0.280" L (2.80mm x 7.11mm) | 125 V | |
Littelfuse Inc.
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UL | 300A | - | 12 A | Cartridge, Glass | 1200 | Requires Holder | -55°C ~ 125°C | Slow Blow | 0.250" Dia x 1.250" L (6.35mm x 31.75mm) | 32 V | |
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Littelfuse Inc.
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cURus, PSE | 50A | - | 8 A | Board Mount (Cartridge Style Excluded) | 180 | Through Hole | -65°C ~ 125°C | Slow Blow | 0.335" Dia x 0.315" H (8.50mm x 8.00mm) | 300 V | |
Littelfuse Inc.
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CSA, cULus | 50A | - | 160 mA | Board Mount (Cartridge Style Excluded) | 0.004 | Through Hole | -40°C ~ 85°C | Fast Blow | 0.335" Dia x 0.315" H (8.50mm x 8.00mm) | 250 V | |
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Littelfuse Inc.
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CSA, cULus | 50A | - | 160 mA | Board Mount (Cartridge Style Excluded) | 0.004 | Through Hole | -40°C ~ 85°C | Fast Blow | 0.335" Dia x 0.315" H (8.50mm x 8.00mm) | 250 V | |
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Littelfuse Inc.
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CSA, cULus | 50A | - | 800 mA | Board Mount (Cartridge Style Excluded) | 0.069 | Through Hole | -40°C ~ 85°C | Fast Blow | 0.335" Dia x 0.315" H (8.50mm x 8.00mm) | 250 V | |
Schurter Inc.
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- | 100A | - | 3 A | Board Mount (Cartridge Style Excluded) | 8.06 | Requires Holder, Surface Mount | -40°C ~ 85°C | Slow Blow | 0.472" L x 0.205" W x 0.236" H (12.00mm x 5.20mm x 6.00mm) | 125 V | |
Littelfuse Inc.
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CSA, UL | 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 | |
OptiFuse
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- | - | Blue | 15 A | Automotive | - | Requires Holder | - | - | - | 32 V | |
Littelfuse Inc.
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CQC, cURus, KC, PSE/JET, VDE | 130A | - | 4 A | Board Mount (Cartridge Style Excluded) | 133.4 | Through Hole | -40°C ~ 125°C | Slow Blow | 0.335" L x 0.157" W x 0.315" H (8.50mm x 4.00mm x 8.00mm) | 250 V | |
Littelfuse Inc.
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CE, CSA, PSE, UL | 200A AC, 10kA DC | - | 20 A | Cartridge, Ceramic | 631 | Through Hole | -55°C ~ 125°C | Fast Blow | 0.250" Dia x 1.250" L (6.35mm x 31.75mm) | 300 V | |
Littelfuse Inc.
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- | 1kA | Light Pink | 25 A | Board Mount (Cartridge Style Excluded) | 1200 | Requires Holder | -40°C ~ 125°C | Slow Blow | 0.421" L x 0.244" W x 0.689" H (10.70mm x 6.20mm x 17.50mm) | 32 V | |
Littelfuse Inc.
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- | 1kA | Green | 40 A | Board Mount (Cartridge Style Excluded) | 2500 | Requires Holder | -40°C ~ 125°C | Slow Blow | 0.421" L x 0.244" W x 0.689" H (10.70mm x 6.20mm x 17.50mm) | 32 V | |
Littelfuse Inc.
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- | 1kA | Pink | 30 A | Board Mount (Cartridge Style Excluded) | 1000 | Requires Holder | -40°C ~ 125°C | Slow Blow | 0.421" L x 0.244" W x 0.689" H (10.70mm x 6.20mm x 17.50mm) | 32 V | |
Littelfuse Inc.
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- | 1kA | Blue | 20 A | Board Mount (Cartridge Style Excluded) | 600 | Requires Holder | -40°C ~ 125°C | Slow Blow | 0.421" L x 0.244" W x 0.689" H (10.70mm x 6.20mm x 17.50mm) | 32 V | |
Littelfuse Inc.
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CE, CSA, UL | 35A | - | 187 mA | Cartridge, Glass | 0.23 | Requires Holder | -55°C ~ 125°C | Slow Blow | 0.250" Dia x 1.250" L (6.35mm x 31.75mm) | 250 V | |
Littelfuse Inc.
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cUL, UL | 100A | - | 400 mA | Board Mount (Cartridge Style Excluded) | 0.015 | Through Hole | -40°C ~ 85°C | Fast Blow | 0.335" L x 0.157" W x 0.315" H (8.50mm x 4.00mm x 8.00mm) | 125 V | |
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Littelfuse Inc.
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cUL, UL | 100A | - | 315 mA | Board Mount (Cartridge Style Excluded) | 0.32 | Through Hole | -40°C ~ 85°C | Slow Blow | 0.335" L x 0.157" W x 0.315" H (8.50mm x 4.00mm x 8.00mm) | 125 V | |
Littelfuse Inc.
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BSI, CCC, CE, CSA, SEMKO, UR, VDE | 35A | - | 250 mA | Cartridge, Glass | 0.555 | Requires Holder | -55°C ~ 125°C | Slow Blow | 0.205" Dia x 0.787" L (5.20mm x 20.00mm) | 250 V | |
Eaton - Bussmann Electrical Division
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- | 2kA | - | 75 A | Automotive | - | Requires Holder | - | - | - | 58 V | |
Eaton - Electronics Division
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BSI, CCC/CQC, CSA, cURus, IMQ, KC, PSE/JET, SEMKO, VDE | 1.5kA | - | 5 A | Cartridge, Ceramic | 71.3 | Through Hole | - | Slow Blow | 0.205" Dia x 0.787" L (5.20mm x 20.00mm) | 250 V | |
Littelfuse Inc.
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CCC, CE, CSA, KC, PSE, SEMKO, UL, VDE | 1.5kA | - | 1.25 A | Cartridge, Ceramic | 3.2 | Requires Holder | -55°C ~ 125°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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CCC, CE, CSA, KC, PSE, SEMKO, UL, VDE | 1.5kA | - | 1.25 A | Cartridge, Ceramic | 3.2 | Requires Holder | -55°C ~ 125°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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CCC, CE, CSA, KC, PSE, SEMKO, UL, VDE | 1.5kA | - | 1.25 A | Cartridge, Ceramic | 3.2 | Requires Holder | -55°C ~ 125°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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CCC, CE, CSA, KC, PSE, SEMKO, UL, VDE | 1.5kA | - | 1.25 A | Cartridge, Ceramic | 3.2 | Requires Holder | -55°C ~ 125°C | Slow Blow | 0.205" Dia x 0.787" L (5.20mm x 20.00mm) | 250 V | |
Schurter Inc.
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cURus | 50A AC, 300A DC | - | 1.5 A | Board Mount (Cartridge Style Excluded) | 0.064 | Surface Mount | -55°C ~ 150°C | Fast Blow | 0.126" L x 0.061" W x 0.061" H (3.20mm x 1.55mm x 1.55mm) | 125 V | |
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Schurter Inc.
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cURus | 50A | - | 4 A | Board Mount (Cartridge Style Excluded) | 0.45 | Surface Mount | -55°C ~ 150°C | Fast Blow | 0.126" L x 0.061" W x 0.061" H (3.20mm x 1.55mm x 1.55mm) | 63 V | |
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Schurter Inc.
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cURus | 50A AC, 300A DC | - | 375 mA | Board Mount (Cartridge Style Excluded) | 0.0037 | Surface Mount | -55°C ~ 150°C | Fast Blow | 0.126" L x 0.061" W x 0.061" H (3.20mm x 1.55mm x 1.55mm) | 125 V | |
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Schurter Inc.
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cURus | 50A AC, 300A DC | - | 3 A | Board Mount (Cartridge Style Excluded) | 0.18 | Surface Mount | -55°C ~ 150°C | Fast Blow | 0.126" L x 0.061" W x 0.061" H (3.20mm x 1.55mm x 1.55mm) | 125 V | |
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Schurter Inc.
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cURus | 50A AC, 300A DC | - | 200 mA | Board Mount (Cartridge Style Excluded) | 0.0008 | Surface Mount | -55°C ~ 150°C | Fast Blow | 0.126" L x 0.061" W x 0.061" H (3.20mm x 1.55mm x 1.55mm) | 125 V | |
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Littelfuse Inc.
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CE, CSA, KC, UL | 35A | - | 100 mA | Cartridge, Glass | 0.00312 | 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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CE, CSA, KC, UL | 35A | - | 250 mA | Cartridge, Glass | 0.0166 | 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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CCC, CE, CSA, SEMKO, UR, VDE | 1.5kA | - | 315 mA | Cartridge, Ceramic | 0.01 | Requires Holder | -55°C ~ 125°C | Fast Blow | 0.205" Dia x 0.787" L (5.20mm x 20.00mm) | 250 V | |
Littelfuse Inc.
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cURus, TUV | 50A | - | 22 A | Board Mount (Cartridge Style Excluded) | - | Surface Mount | -10°C ~ 65°C | Fast Blow | 0.160" L x 0.120" W x 0.035" H (4.00mm x 3.00mm x 0.90mm) | 36 V | |
Littelfuse Inc.
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cURus, TUV | 50A | - | 22 A | Board Mount (Cartridge Style Excluded) | - | Surface Mount | -10°C ~ 65°C | Fast Blow | 0.160" L x 0.120" W x 0.035" H (4.00mm x 3.00mm x 0.90mm) | 36 V | |
Littelfuse Inc.
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cURus, TUV | 50A | - | 22 A | Board Mount (Cartridge Style Excluded) | - | Surface Mount | -10°C ~ 65°C | Fast Blow | 0.160" L x 0.120" W x 0.035" H (4.00mm x 3.00mm x 0.90mm) | 36 V | |
Littelfuse Inc.
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cURus, TUV | 50A | - | 22 A | Board Mount (Cartridge Style Excluded) | - | Surface Mount | -10°C ~ 65°C | Fast Blow | 0.160" L x 0.120" W x 0.035" H (4.00mm x 3.00mm x 0.90mm) | 36 V | |
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Littelfuse Inc.
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CE, CSA, K-MARK, PSE, UL | 100A | - | 1 A | Cartridge, Glass | 1.975 | Through Hole | -55°C ~ 125°C | Medium Blow | 0.228" Dia x 0.886" L (5.80mm x 22.50mm) | 250 V |
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