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Fuses protect electrical circuits by interrupting the flow of current in case of overloads or faults. Key attributes include Current Rating (Amps), Breaking Capacity @ Rated Voltage, and Fuse Type. These components are essential for applications such as production electronics assembly and maintenance.

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.

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
3422.0014.11 Download Datasheet for 3422.0014.11 Schurter Inc.	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	-	50A	-	3 A	Board Mount (Cartridge Style Excluded)	1.3	Requires Holder, Surface Mount	-40°C ~ 85°C	Fast Blow	0.472" L x 0.205" W x 0.236" H (12.00mm x 5.20mm x 6.00mm)	63 V
0217001.MRET1P Download Datasheet for 0217001.MRET1P Littelfuse Inc.	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	BSI, CE, CCC, CSA, KC, PSE, SEMKO, UR, VDE	35A	-	1 A	Cartridge, Glass	1.045	Through Hole	-55°C ~ 125°C	Fast Blow	0.228" Dia x 0.886" L (5.80mm x 22.50mm)	250 V
SF-1206F125-2 Bourns	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	UL	50A	-	1.25 A	Board Mount (Cartridge Style Excluded)	0.062	Surface Mount	-40°C ~ 105°C	Fast Blow	0.122" L x 0.061" W x 0.024" H (3.10mm x 1.55mm x 0.60mm)	63 V
37412500430 Download Datasheet for 37412500430 Littelfuse Inc.	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	CSA, cULus	50A	-	2.5 A	Board Mount (Cartridge Style Excluded)	14	Through Hole	-40°C ~ 85°C	Slow Blow	0.335" Dia x 0.315" H (8.50mm x 8.00mm)	250 V
0PAL050.XP Littelfuse Inc.	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	-	-	Red	50 A	Automotive	-	Requires Holder	-	-	-	-
SF-1206F080-2 Bourns	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	UL	50A	-	800 mA	Board Mount (Cartridge Style Excluded)	0.031	Surface Mount	-40°C ~ 105°C	Fast Blow	0.122" L x 0.061" W x 0.024" H (3.10mm x 1.55mm x 0.60mm)	63 V
37411000430 Download Datasheet for 37411000430 Littelfuse Inc.	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	CSA, cULus	50A	-	1 A	Board Mount (Cartridge Style Excluded)	2.1	Through Hole	-40°C ~ 85°C	Slow Blow	0.335" Dia x 0.315" H (8.50mm x 8.00mm)	250 V
MRT 500-BULK-SHORT Download Datasheet for MRT 500-BULK-SHORT Bel Fuse	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	AEC-Q200, CCC, CE, CSA, cURus, SEMKO, VDE	50A	-	500 mA	Board Mount (Cartridge Style Excluded)	1.7	Through Hole	-55°C ~ 125°C	Slow Blow	0.329" Dia x 0.303" H (8.35mm x 7.70mm)	250 V
TR1-2410FA5-R Eaton - Electronics Division	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	cURus	50A	-	5 A	Board Mount (Cartridge Style Excluded)	-	Surface Mount	-55°C ~ 125°C	Fast Blow	0.256" L x 0.122" W x 0.122" H (6.50mm x 3.10mm x 3.10mm)	125 V
TR1-2410FA3-R Eaton - Electronics Division	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	cURus	50A	-	3 A	Board Mount (Cartridge Style Excluded)	-	Surface Mount	-55°C ~ 125°C	Fast Blow	0.256" L x 0.122" W x 0.122" H (6.50mm x 3.10mm x 3.10mm)	125 V
37411250430 Download Datasheet for 37411250430 Littelfuse Inc.	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	CSA, cULus	50A	-	1.25 A	Board Mount (Cartridge Style Excluded)	3.2	Through Hole	-40°C ~ 85°C	Slow Blow	0.335" Dia x 0.315" H (8.50mm x 8.00mm)	250 V
TR1-2410FA1-R Eaton - Electronics Division	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	cURus	50A	-	1 A	Board Mount (Cartridge Style Excluded)	-	Surface Mount	-55°C ~ 125°C	Fast Blow	0.256" L x 0.122" W x 0.122" H (6.50mm x 3.10mm x 3.10mm)	125 V
39111000000 Download Datasheet for 39111000000 Littelfuse Inc.	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	cULus	50A	-	1 A	Board Mount (Cartridge Style Excluded)	0.27	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)	65 V
0251.630MXL Download Datasheet for 0251.630MXL Littelfuse Inc.	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	CSA, cURus	50A AC, 300A DC	-	630 mA	Board Mount (Cartridge Style Excluded)	0.08	Through Hole	-55°C ~ 125°C	Fast Blow	0.110" Dia x 0.280" L (2.80mm x 7.11mm)	125 V
MRT 2.5-BULK-SHORT Download Datasheet for MRT 2.5-BULK-SHORT Bel Fuse	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	AEC-Q200, CCC, CE, CSA, cURus, PSE, SEMKO, VDE	50A	-	2.5 A	Board Mount (Cartridge Style Excluded)	43	Through Hole	-55°C ~ 125°C	Slow Blow	0.329" Dia x 0.303" H (8.35mm x 7.70mm)	250 V
3422.0006.11 Download Datasheet for 3422.0006.11 Schurter Inc.	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	-	50A	-	250 mA	Board Mount (Cartridge Style Excluded)	0.0058	Requires Holder, Surface Mount	-40°C ~ 85°C	Fast Blow	0.472" L x 0.205" W x 0.236" H (12.00mm x 5.20mm x 6.00mm)	63 V
SR-5F-4A-BK Eaton - Electronics Division	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	cULus, PSE	50A	-	4 A	Board Mount (Cartridge Style Excluded)	35.4	Through Hole	-40°C ~ 125°C	Fast Blow	0.335" Dia x 0.319" H (8.50mm x 8.10mm)	250 V
087501.6MXEP Download Datasheet for 087501.6MXEP Littelfuse Inc.	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	cULus	50A	-	1.6 A	Cartridge, Ceramic	5.08	Through Hole	-55°C ~ 125°C	Slow Blow	0.142" Dia x 0.394" L (3.60mm x 10.00mm)	250 V
ERB-SD1R25U Download Datasheet for ERB-SD1R25U Panasonic Electronic Components	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	cUL, UL	35A	-	1.25 A	Board Mount (Cartridge Style Excluded)	-	Surface Mount	-40°C ~ 100°C	Fast Blow	0.040" L x 0.020" W x 0.016" H (1.00mm x 0.50mm x 0.40mm)	24 V
BK1/S500-10-R Eaton - Electronics Division	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	BSI, CSA, cULus, SEMKO, VDE	100A	-	10 A	Cartridge, Glass	-	Requires Holder	-	Fast Blow	0.205" Dia x 0.787" L (5.20mm x 20.00mm)	250 V
040703.5WR Littelfuse Inc.	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	cURus	50A	-	3.5 A	Board Mount (Cartridge Style Excluded)	2.26	Surface Mount	-55°C ~ 150°C	Slow Blow	0.126" L x 0.064" W x 0.033" H (3.20mm x 1.63mm x 0.84mm)	32 V
TR1/6125TD500-R Download Datasheet for TR1/6125TD500-R Eaton - Electronics Division	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	CSA, UL	50A	-	500 mA	Board Mount (Cartridge Style Excluded)	0.716	Surface Mount	-	Slow Blow	0.240" L x 0.107" W x 0.107" H (6.10mm x 2.72mm x 2.72mm)	125 V
0217.500TXP Download Datasheet for 0217.500TXP Littelfuse Inc.	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	CCC, CE, CSA,KC, SEMKO, UL, VDE	35A	-	500 mA	Cartridge, Glass	0.215	Requires Holder	-55°C ~ 125°C	Fast Blow	0.205" Dia x 0.787" L (5.20mm x 20.00mm)	250 V
MRT 1-BULK-SHORT Download Datasheet for MRT 1-BULK-SHORT Bel Fuse	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	AEC-Q200, CCC, CE, CSA, cURus, PSE, SEMKO, VDE	50A	-	1 A	Board Mount (Cartridge Style Excluded)	7	Through Hole	-55°C ~ 125°C	Slow Blow	0.329" Dia x 0.303" H (8.35mm x 7.70mm)	250 V
37002500000 Littelfuse Inc.	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	CCC, cURus, SEMKO, VDE	50A	-	250 mA	Board Mount (Cartridge Style Excluded)	0.051	Through Hole	-40°C ~ 85°C	Fast Blow	0.335" Dia x 0.315" H (8.50mm x 8.00mm)	250 V
BK/AGC-3-1/2-R Eaton - Electronics Division	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	-	-	-	3.5 A	Cartridge, Glass	-	Requires Holder	-	Fast Blow	0.250" Dia x 1.250" L (6.35mm x 31.75mm)	250 V
0217.500MXEP Download Datasheet for 0217.500MXEP Littelfuse Inc.	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	CCC, CE, CSA, K-MARK, SEMKO, UL, VDE	35A	-	500 mA	Cartridge, Glass	0.215	Through Hole	-55°C ~ 125°C	Fast Blow	0.228" Dia x 0.886" L (5.80mm x 22.50mm)	250 V
MRF 50 AMMO Download Datasheet for MRF 50 AMMO Bel Fuse	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	AEC-Q200, CE, CSA, cULus, SEMKO, VDE	35A	-	50 mA	Board Mount (Cartridge Style Excluded)	0.001	Through Hole	-55°C ~ 125°C	Fast Blow	0.329" Dia x 0.303" H (8.35mm x 7.70mm)	250 V
MRF 250 AMMO Download Datasheet for MRF 250 AMMO Bel Fuse	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	AEC-Q200, CE, CSA, cULus, SEMKO, VDE	35A	-	250 mA	Board Mount (Cartridge Style Excluded)	0.023	Through Hole	-55°C ~ 125°C	Fast Blow	0.329" Dia x 0.303" H (8.35mm x 7.70mm)	250 V
FSC-P-4A Download Datasheet for FSC-P-4A OptiFuse	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	CSA, cURus, KC, PSE/JET	200A	-	4 A	Cartridge, Glass	-	Through Hole	-55°C ~ 90°C	Fast Blow	0.217" Dia x 0.827" L (5.50mm x 21.00mm)	250 V
MRT 5-BULK-SHORT Download Datasheet for MRT 5-BULK-SHORT Bel Fuse	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	AEC-Q200, CCC, CE, CSA, cURus, PSE, SEMKO, VDE	50A	-	5 A	Board Mount (Cartridge Style Excluded)	175	Through Hole	-55°C ~ 125°C	Slow Blow	0.329" Dia x 0.303" H (8.35mm x 7.70mm)	250 V
BK/AGC-V-2-R Eaton - Electronics Division	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	CSA, UL	100A	-	2 A	Cartridge, Glass	0.00509	Through Hole	-	Fast Blow	0.266" Dia x 1.292" L (6.76mm x 32.82mm)	250 V
MFU1206FF01250P100 Download Datasheet for MFU1206FF01250P100 Vishay BC Components	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	UL	50A	-	1.25 A	Board Mount (Cartridge Style Excluded)	0.0041	Surface Mount	-55°C ~ 125°C	Fast Blow	0.126" L x 0.063" W x 0.022" H (3.20mm x 1.60mm x 0.55mm)	63 V
SR-5-500MA-AP Eaton - Electronics Division	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	CCC, cULus, KC-MARK, SEMKO, VDE	35A	-	500 mA	Board Mount (Cartridge Style Excluded)	2	Through Hole	-40°C ~ 85°C	Slow Blow	0.335" Dia x 0.319" H (8.50mm x 8.10mm)	250 V
0217.400MXEP Download Datasheet for 0217.400MXEP Littelfuse Inc.	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	CCC, CE, CSA, K-MARK, SEMKO, UL, VDE	35A	-	400 mA	Cartridge, Glass	0.125	Through Hole	-55°C ~ 125°C	Fast Blow	0.228" Dia x 0.886" L (5.80mm x 22.50mm)	250 V
MFU1206FF01600P100 Download Datasheet for MFU1206FF01600P100 Vishay BC Components	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	IEC, UL	50A	-	1.6 A	Board Mount (Cartridge Style Excluded)	0.0066	Surface Mount	-55°C ~ 125°C	Fast Blow	0.126" L x 0.063" W x 0.022" H (3.20mm x 1.60mm x 0.55mm)	63 V
SST 3 Download Datasheet for SST 3 Bel Fuse	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	AEC-Q200, CE, CSA, cULus	50A	-	3 A	Board Mount (Cartridge Style Excluded)	14	Surface Mount	-55°C ~ 125°C	Slow Blow	0.240" L x 0.100" W x 0.100" H (6.10mm x 2.54mm x 2.54mm)	125 V
0217005.MXBP Download Datasheet for 0217005.MXBP Littelfuse Inc.	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	BSI, CE, CCC, CSA, KC, PSE, SEMKO, UR, VDE	50A	-	5 A	Cartridge, Glass	42.795	Requires Holder	-55°C ~ 125°C	Fast Blow	0.205" Dia x 0.787" L (5.20mm x 20.00mm)	250 V
RSTA 4 BULK, SHORT LEAD Download Datasheet for RSTA 4 BULK, SHORT LEAD Bel Fuse	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	-	100A	-	4 A	Board Mount (Cartridge Style Excluded)	101	Through Hole	-55°C ~ 125°C	Slow Blow	0.329" L x 0.157" W x 0.307" H (8.35mm x 4.00mm x 7.80mm)	250 V
0680L9100-01 Download Datasheet for 0680L9100-01 Bel Fuse	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	AEC-Q200, CE, cURus	100A AC, 500A DC	-	10 A	Board Mount (Cartridge Style Excluded)	170	Surface Mount	-55°C ~ 125°C	Slow Blow	0.240" L x 0.100" W x 0.100" H (6.10mm x 2.54mm x 2.54mm)	50 V
0680L5000-01 Download Datasheet for 0680L5000-01 Bel Fuse	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	AEC-Q200, CE, cURus	50A AC, 100A DC	-	5 A	Board Mount (Cartridge Style Excluded)	37	Surface Mount	-55°C ~ 125°C	Slow Blow	0.240" L x 0.100" W x 0.100" H (6.10mm x 2.54mm x 2.54mm)	125 V
FSC-P-2.5A Download Datasheet for FSC-P-2.5A OptiFuse	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	CSA, cULus, KC, PSE/JET	100A	-	2.5 A	Cartridge, Glass	-	Through Hole	-55°C ~ 90°C	Fast Blow	0.217" Dia x 0.827" L (5.50mm x 21.00mm)	250 V
0680L3000-01 Download Datasheet for 0680L3000-01 Bel Fuse	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	AEC-Q200, CE, cURus	50A AC, 100A DC	-	3 A	Board Mount (Cartridge Style Excluded)	13	Surface Mount	-55°C ~ 125°C	Slow Blow	0.240" L x 0.100" W x 0.100" H (6.10mm x 2.54mm x 2.54mm)	125 V
0680L6300-01 Download Datasheet for 0680L6300-01 Bel Fuse	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	AEC-Q200, CE, cURus	50A AC, 100A DC	-	6.3 A	Board Mount (Cartridge Style Excluded)	43	Surface Mount	-55°C ~ 125°C	Slow Blow	0.240" L x 0.100" W x 0.100" H (6.10mm x 2.54mm x 2.54mm)	125 V
0314007.MXP Download Datasheet for 0314007.MXP Littelfuse Inc.	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	CE, CSA, K-MARK, PSE, UL	750A AC, 10kA DC	-	7 A	Cartridge, Ceramic	71	Requires Holder	-55°C ~ 125°C	Fast Blow	0.250" Dia x 1.250" L (6.35mm x 31.75mm)	250 V
RSTA 1 BULK, SHORT LEAD Download Datasheet for RSTA 1 BULK, SHORT LEAD Bel Fuse	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	-	100A	-	1 A	Board Mount (Cartridge Style Excluded)	6.6	Through Hole	-55°C ~ 125°C	Slow Blow	0.329" L x 0.157" W x 0.307" H (8.35mm x 4.00mm x 7.80mm)	250 V
0034.4246 Download Datasheet for 0034.4246 Schurter Inc.	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	cURus	100A	-	500 mA	Board Mount (Cartridge Style Excluded)	0.02	Through Hole	-25°C ~ 85°C	Fast Blow	0.252" Dia x 0.346" H (6.40mm x 8.80mm)	125 V
3404.2325.11 Download Datasheet for 3404.2325.11 Schurter Inc.	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	-	100A	-	1.5 A	Board Mount (Cartridge Style Excluded)	1.73	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
CB61F6-3A-TR1 Eaton - Electronics Division	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	CQC, cULus, PSE	100A AC, 300A DC	-	6.3 A	Board Mount (Cartridge Style Excluded)	13.7	Surface Mount	-	Fast Blow	0.240" L x 0.101" W x 0.101" H (6.10mm x 2.57mm x 2.57mm)	125 V
0217.630MXEP Download Datasheet for 0217.630MXEP Littelfuse Inc.	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	CCC, CE, CSA, K-MARK, SEMKO, UL, VDE	35A	-	630 mA	Cartridge, Glass	0.41	Through Hole	-55°C ~ 125°C	Fast Blow	0.228" Dia x 0.886" L (5.80mm x 22.50mm)	250 V

Showing 1451-1500 of 24,959 products

About Fuses

Fuses are essential components in circuit protection, designed to safeguard electrical circuits from overloads and short circuits. They operate by breaking the circuit when the current exceeds a predetermined level, thus preventing damage to connected devices.

When sourcing fuses, it is crucial to consider several important attributes. Key specifications include the approval agency, breaking capacity at rated voltage, current rating in amps, and fuse type. Understanding these parameters will help you select the appropriate fuse for your specific application.

Fuses are widely used in various applications, including new product design and prototyping, production electronics assembly, maintenance and field replacement, and engineering evaluation and qualification. Each application may require different fuse characteristics, making it essential to validate lifecycle status and explore alternate-source options before submitting a Request for Quotation (RFQ).

Buyers should prioritize critical specifications such as approval agency and breaking capacity when comparing fuses. Additionally, confirming mechanical and electrical compatibility with existing design constraints is vital to reduce sourcing risks. Utilize parametric filtering to streamline your selection process and ensure that the components meet your project requirements.

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