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.
Parts in this category
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Compare stocked parts across manufacturers and distributors, then add lines to your RFQ.
| 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.
|
558
|
Price on request
558
|
CSA, PSE, UR | 50A | - | 2.5 A | Board Mount (Cartridge Style Excluded) | 15 | Surface Mount | -55°C ~ 125°C | Slow Blow | 0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm) | 125 V | |
Littelfuse Inc.
|
556
|
Price on request
556
|
CSA, UL | 50A | - | 4 A | Board Mount (Cartridge Style Excluded) | 1.024 | 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) | 32 V | |
|
Littelfuse Inc.
|
555
|
Price on request
555
|
CSA, UL | 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.
|
551
|
Price on request
551
|
CSA, UL | 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 | |
Littelfuse Inc.
|
550
|
Price on request
550
|
cULus | 50A | - | 10 A | Board Mount (Cartridge Style Excluded) | 55 | Through Hole | -40°C ~ 85°C | Fast Blow | 0.335" Dia x 0.315" H (8.50mm x 8.00mm) | 250 V | |
Schurter Inc.
|
549
|
Price on request
549
|
CCC, cURus, KC, PSE/JET, VDE | 35A AC, 50A DC | - | 1.25 A | Board Mount (Cartridge Style Excluded) | 15 | Through Hole | -55°C ~ 125°C | Slow Blow | 0.335" Dia x 0.335" H (8.50mm x 8.50mm) | 250 V | |
Littelfuse Inc.
|
539
|
Price on request
539
|
CE, CSA, PSE, UL | 500A | - | 10 A | Cartridge, Glass | 116 | Through Hole | -55°C ~ 125°C | Fast Blow | 0.185" Dia x 0.570" L (4.70mm x 14.48mm) | 125 V | |
Littelfuse Inc.
|
530
|
Price on request
530
|
CE, CSA, PSE, SEMKO, UR, TUV | 750A | - | 16 A | Cartridge, Ceramic | 462.5 | Requires Holder | -55°C ~ 125°C | Fast Blow | 0.205" Dia x 0.787" L (5.20mm x 20.00mm) | 250 V | |
|
Littelfuse Inc.
|
524
|
Price on request
524
|
CCC, CE, CSA, KC, PSE, SEMKO, UL, VDE | 1.5kA | - | 10 A | Cartridge, Ceramic | 154.34 | Requires Holder | -55°C ~ 125°C | Fast Blow | 0.205" Dia x 0.787" L (5.20mm x 20.00mm) | 250 V | |
Littelfuse Inc.
|
508
|
Price on request
508
|
CE, CSA, K-MARK, UL | 750A AC, 10kA DC | - | 15 A | Cartridge, Ceramic | 292 | Through Hole | -55°C ~ 125°C | Fast Blow | 0.275" Dia x 1.288" L (6.99mm x 32.72mm) | 250 V | |
Littelfuse Inc.
|
506
|
Price on request
506
|
CSA, UL | 50A AC, 300A DC | - | 250 mA | Board Mount (Cartridge Style Excluded) | 0.0106 | Surface Mount | -55°C ~ 125°C | Fast Blow | 0.285" L x 0.170" W x 0.120" H (7.24mm x 4.32mm x 3.05mm) | 125 V | |
Bourns
|
505
|
Price on request
505
|
cUL, UL | 100A | - | 30 A | Board Mount (Cartridge Style Excluded) | 101 | Surface Mount | -55°C ~ 125°C | Fast Blow | 0.398" L x 0.122" W x 0.122" H (10.10mm x 3.10mm x 3.10mm) | 125 V | |
|
Littelfuse Inc.
|
503
|
Price on request
503
|
CSA, PSE, UR | 50A | - | 2 A | Board Mount (Cartridge Style Excluded) | 8.2 | Surface Mount | -55°C ~ 125°C | Slow Blow | 0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm) | 125 V | |
Schurter Inc.
|
502
|
Price on request
502
|
CCC, cURus, PSE/JET, VDE | 50A | - | 5 A | Cartridge, Glass | 102 | Requires Holder | -55°C ~ 125°C | Slow Blow | 0.205" Dia x 0.787" L (5.20mm x 20.00mm) | 250 V | |
Bel Fuse
|
500
|
Price on request
500
|
CE, CSA, cURus | 100A AC, 150A DC | - | 350 mA | Cartridge, Glass | 0.8 | Through Hole | -55°C ~ 125°C | Slow Blow | 0.217" Dia x 0.591" L (5.50mm x 15.00mm) | 350 V | |
Littelfuse Inc.
|
500
|
Price on request
500
|
CSA, UL | 50A | - | 4 A | Board Mount (Cartridge Style Excluded) | 3 | Surface Mount | -55°C ~ 125°C | Fast Blow | 0.372" L x 0.250" W x 0.165" H (9.45mm x 6.35mm x 4.19mm) | 250 V | |
Bel Fuse
|
500
|
Price on request
500
|
CE, CSA, cULus | 35A | - | 750 mA | Cartridge, Glass | 2.3 | Requires Holder | -55°C ~ 125°C | Medium Blow | 0.201" Dia x 0.787" L (5.10mm x 20.00mm) | 250 V | |
Schurter Inc.
|
500
|
Price on request
500
|
CQC, cURus, VDE | 1.5kA | - | 400 mA | Board Mount (Cartridge Style Excluded) | 0.33 | Surface Mount | -55°C ~ 125°C | Slow Blow | 0.606" L x 0.211" W x 0.211" H (15.40mm x 5.35mm x 5.35mm) | 277 V | |
Littelfuse Inc.
|
498
|
Price on request
498
|
CE, CSA, UL | 35A | - | 500 mA | Cartridge, Glass | 2.55 | Requires Holder | -55°C ~ 125°C | Slow Blow | 0.250" Dia x 1.250" L (6.35mm x 31.75mm) | 250 V | |
Littelfuse Inc.
|
494
|
Price on request
494
|
- | 2kA | Pink | 250 A | Automotive | 389000 | Bolt Mount | -40°C ~ 125°C | Slow Blow | 1.149" L x 0.750" W x 0.390" H (29.20mm x 19.05mm x 9.90mm) | 32 V | |
Schurter Inc.
|
492
|
Price on request
492
|
CCC, cURus, VDE | 35A | - | 630 mA | Board Mount (Cartridge Style Excluded) | 0.15 | Through Hole | -40°C ~ 85°C | Fast Blow | 0.335" Dia x 0.335" H (8.50mm x 8.50mm) | 250 V | |
Littelfuse Inc.
|
475
|
Price on request
475
|
CE, CSA, UL | 35A AC, 10kA DC | - | 800 mA | Cartridge, Glass | 3.45 | Through Hole | -55°C ~ 125°C | Slow Blow | 0.177" Dia x 0.571" L (4.50mm x 14.50mm) | 250 V | |
Schurter Inc.
|
472
|
Price on request
472
|
cURus | 50A | - | 750 mA | Board Mount (Cartridge Style Excluded) | 0.05 | Surface Mount | -55°C ~ 90°C | Fast Blow | 0.126" L x 0.063" W x 0.024" H (3.20mm x 1.60mm x 0.60mm) | 32 V | |
|
Littelfuse Inc.
|
467
|
Price on request
467
|
CSA, UR | 50A | - | 62 mA | Board Mount (Cartridge Style Excluded) | 0.00022 | Surface Mount | -55°C ~ 125°C | Fast Blow | 0.372" L x 0.250" W x 0.165" H (9.45mm x 6.35mm x 4.19mm) | 250 V | |
|
Littelfuse Inc.
|
459
|
Price on request
459
|
CSA, UL | 50A | - | 5 A | Board Mount (Cartridge Style Excluded) | 2.5 | 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) | 32 V | |
Bel Fuse
|
452
|
Price on request
452
|
CE, cURus | 100A AC, 130A DC | - | 30 A | Board Mount (Cartridge Style Excluded) | 1000 | Surface Mount | -55°C ~ 125°C | Medium Blow | 0.386" L x 0.120" W x 0.125" H (9.80mm x 3.05mm x 3.18mm) | 250 V | |
Bel Fuse
|
450
|
Price on request
450
|
CCC, CE, CSA, cURus, IMQ, SEMKO, VDE | 35A | - | 200 mA | Cartridge, Glass | 0.15 | Requires Holder | -55°C ~ 125°C | Slow Blow | 0.201" Dia x 0.787" L (5.10mm x 20.00mm) | 250 V | |
|
Littelfuse Inc.
|
449
|
Price on request
449
|
CSA, PSE, UL | 35A AC, 50A DC | - | 10 A | Board Mount (Cartridge Style Excluded) | 26.46 | 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.
|
444
|
Price on request
444
|
cURus, TUV | 100A | - | 4 A | Board Mount (Cartridge Style Excluded) | 21.3 | Surface Mount | -40°C ~ 85°C | - | 0.428" L x 0.188" W x 0.188" H (10.86mm x 4.78mm x 4.78mm) | 450 V | |
|
Littelfuse Inc.
|
442
|
Price on request
442
|
CCC, CE, CSA, K-MARK, PSE, SEMKO, UL | 1.5kA | - | 1 A | Cartridge, Ceramic | 0.18 | Requires Holder | -55°C ~ 125°C | Fast Blow | 0.205" Dia x 0.787" L (5.20mm x 20.00mm) | 250 V | |
Littelfuse Inc.
|
435
|
Price on request
435
|
CSA, QPL, UL | 10kA | - | 750 mA | Board Mount (Cartridge Style Excluded) | 0.09 | Through Hole | -55°C ~ 85°C | Fast Blow | 0.250" Dia x 0.350" H (6.35mm x 8.89mm) | 125 V | |
|
Littelfuse Inc.
|
421
|
Price on request
421
|
cURus, TUV | 100A | - | 2.5 A | Board Mount (Cartridge Style Excluded) | 6.9 | Surface Mount | -40°C ~ 85°C | - | 0.428" L x 0.188" W x 0.188" H (10.86mm x 4.78mm x 4.78mm) | 500 V | |
Littelfuse Inc.
|
416
|
Price on request
416
|
cULus | 50A | - | 10 A | Board Mount (Cartridge Style Excluded) | 15 | Surface Mount | -55°C ~ 125°C | Fast Blow | 0.125" L x 0.062" W x 0.062" H (3.18mm x 1.58mm x 1.58mm) | 32 V | |
Littelfuse Inc.
|
410
|
Price on request
410
|
PSE, UL | 50A | - | 2.5 A | Board Mount (Cartridge Style Excluded) | 1.029 | 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 | |
|
Littelfuse Inc.
|
410
|
Price on request
410
|
CSA, UL | 50A AC, 300A DC | - | 2 A | Board Mount (Cartridge Style Excluded) | 0.421 | Surface Mount | -55°C ~ 125°C | Fast Blow | 0.285" L x 0.170" W x 0.120" H (7.24mm x 4.32mm x 3.05mm) | 125 V | |
Littelfuse Inc.
|
405
|
Price on request
405
|
CSA, UL | 35A | - | 2 A | Cartridge, Glass | 5.2 | Requires Holder | -55°C ~ 125°C | Fast Blow | 0.250" Dia x 1.250" L (6.35mm x 31.75mm) | 250 V | |
Littelfuse Inc.
|
400
|
Price on request
400
|
BSI, CSA, SEMKO, UL, VDE | 35A | - | 2 A | Cartridge, Glass | 14.8 | Requires Holder | -55°C ~ 125°C | Slow Blow | 0.205" Dia x 0.787" L (5.20mm x 20.00mm) | 250 V | |
|
Littelfuse Inc.
|
400
|
Price on request
400
|
CSA, QPL, UL | 10kA | - | 2 A | Board Mount (Cartridge Style Excluded) | 0.3 | Through Hole | -55°C ~ 85°C | Fast Blow | 0.250" Dia x 0.350" H (6.35mm x 8.89mm) | 125 V | |
Littelfuse Inc.
|
400
|
Price on request
400
|
CCC, CE, CSA, KC, PSE, SEMKO, UL, VDE | 1.5kA | - | 5 A | Cartridge, Ceramic | 66.095 | Requires Holder | -55°C ~ 125°C | Slow Blow | 0.205" Dia x 0.787" L (5.20mm x 20.00mm) | 250 V | |
Littelfuse Inc.
|
400
|
Price on request
400
|
CE, cURus | 100A | - | 750 mA | Cartridge, Glass | 1.05 | Requires Holder | -55°C ~ 125°C | Fast Blow | 0.185" Dia x 0.570" L (4.70mm x 14.48mm) | 350 V | |
Schurter Inc.
|
400
|
Price on request
400
|
cURus | 500A | - | 20 A | Cartridge, Ceramic | 750 | Through Hole | -40°C ~ 85°C | Slow Blow | 0.270" Dia x 1.291" L (6.85mm x 32.80mm) | 250 V | |
Eaton - Bussmann Electrical Division
|
397
|
Price on request
397
|
UL | 1kA | Green | 30 A | Automotive | - | Requires Holder | - | Fast Blow | 0.760" L x 0.207" W x 0.492" H (19.30mm x 5.25mm x 12.50mm) | 32 V | |
|
Littelfuse Inc.
|
395
|
Price on request
395
|
CCC, cURus, SEMKO, VDE | 35A | - | 200 mA | Board Mount (Cartridge Style Excluded) | 0.312 | Through Hole | -40°C ~ 85°C | Slow Blow | 0.335" Dia x 0.315" H (8.50mm x 8.00mm) | 250 V | |
Schurter Inc.
|
394
|
Price on request
394
|
cURus, VDE | 100A | - | 400 mA | Board Mount (Cartridge Style Excluded) | 0.02 | Surface Mount | -55°C ~ 125°C | Fast Blow | 0.433" L x 0.181" W x 0.154" H (11.00mm x 4.60mm x 3.90mm) | 250 V | |
|
Littelfuse Inc.
|
390
|
Price on request
390
|
BSI, CE, CCC, CSA, KC, PSE, SEMKO, UR, VDE | 80A | - | 8 A | Cartridge, Glass | 198.158 | Through Hole | -55°C ~ 125°C | Fast Blow | 0.228" Dia x 0.886" L (5.80mm x 22.50mm) | 250 V | |
Littelfuse Inc.
|
390
|
Price on request
390
|
cULus, PSE/JET | 50A | - | 1 A | Board Mount (Cartridge Style Excluded) | 5.8 | 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) | 300 V | |
Littelfuse Inc.
|
388
|
Price on request
388
|
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 | |
Schurter Inc.
|
376
|
Price on request
376
|
CCC, cURus, KC, PSE/JET, VDE | 1.5kA | - | 5 A | Cartridge, Ceramic | 30.8 | Requires Holder | -55°C ~ 125°C | Fast Blow | 0.205" Dia x 0.787" L (5.20mm x 20.00mm) | 250 V | |
|
Littelfuse Inc.
|
375
|
Price on request
375
|
CSA, PSE, UL | 50A | - | 1 A | Board Mount (Cartridge Style Excluded) | 1.98 | Surface Mount | -55°C ~ 125°C | Slow Blow | 0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm) | 125 V | |
Bel Fuse
|
362
|
Price on request
362
|
AEC-Q200, cURus | 100A AC, 130A DC | - | 25 A | Board Mount (Cartridge Style Excluded) | 420 | Surface Mount | -55°C ~ 125°C | Medium Blow | 0.386" L x 0.120" W x 0.125" H (9.80mm x 3.05mm x 3.18mm) | 250 V |
Showing 651-700 of 24,959 products