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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
C2Q 500 Download Datasheet for C2Q 500 Bel Fuse	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	CE, cURus	35A AC, 50A DC	-	500 mA	Board Mount (Cartridge Style Excluded)	0.00015	Surface Mount	-55°C ~ 125°C	Fast Blow	0.063" L x 0.032" W x 0.019" H (1.60mm x 0.82mm x 0.48mm)	32 V
C1Q 2 Download Datasheet for C1Q 2 Bel Fuse	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	CE, CSA, cULus	100A AC, 50A DC	-	2 A	Board Mount (Cartridge Style Excluded)	0.005	Surface Mount	-55°C ~ 125°C	Fast Blow	0.126" L x 0.062" W x 0.023" H (3.20mm x 1.58mm x 0.58mm)	125 V
C1Q 2.5 Download Datasheet for C1Q 2.5 Bel Fuse	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	CE, CSA, cULus	100A AC, 50A DC	-	2.5 A	Board Mount (Cartridge Style Excluded)	0.008	Surface Mount	-55°C ~ 125°C	Fast Blow	0.126" L x 0.062" W x 0.023" H (3.20mm x 1.58mm x 0.58mm)	125 V
C1Q 500 Download Datasheet for C1Q 500 Bel Fuse	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	CE, CSA, cULus	100A AC, 50A DC	-	500 mA	Board Mount (Cartridge Style Excluded)	0.00011	Surface Mount	-55°C ~ 125°C	Fast Blow	0.126" L x 0.062" W x 0.023" H (3.20mm x 1.58mm x 0.58mm)	125 V
0679L1000-05 Download Datasheet for 0679L1000-05 Bel Fuse	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	AEC-Q200, cURus	50A AC, 300A DC	-	1 A	Board Mount (Cartridge Style Excluded)	0.54	Surface Mount	-55°C ~ 125°C	Fast Blow	0.240" L x 0.100" W x 0.110" H (6.10mm x 2.54mm x 2.79mm)	125 V
F0603E3R00FSTR Download Datasheet for F0603E3R00FSTR Kyocera AVX	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	cUL, UL	50A	-	3 A	Board Mount (Cartridge Style Excluded)	0.25	Surface Mount	-55°C ~ 125°C	Fast Blow	0.063" L x 0.032" W x 0.025" H (1.60mm x 0.81mm x 0.63mm)	32 V
0679L9100-05 Download Datasheet for 0679L9100-05 Bel Fuse	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	AEC-Q200, cURus	50A AC, 300A DC	-	10 A	Board Mount (Cartridge Style Excluded)	25.7	Surface Mount	-55°C ~ 125°C	Fast Blow	0.240" L x 0.100" W x 0.110" H (6.10mm x 2.54mm x 2.79mm)	125 V
0679H1000-01 Download Datasheet for 0679H1000-01 Bel Fuse	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	cURus	50A AC, 100A DC	-	1 A	Board Mount (Cartridge Style Excluded)	0.54	Surface Mount	-55°C ~ 125°C	Fast Blow	0.240" L x 0.100" W x 0.110" H (6.10mm x 2.54mm x 2.79mm)	350 V
0679L9200-05 Download Datasheet for 0679L9200-05 Bel Fuse	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	AEC-Q200, cURus	50A AC, 300A DC	-	20 A	Board Mount (Cartridge Style Excluded)	128	Surface Mount	-55°C ~ 125°C	Fast Blow	0.240" L x 0.100" W x 0.110" H (6.10mm x 2.54mm x 2.79mm)	125 V
04831.25DR Littelfuse Inc.	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	-	-	-	1.25 A	-	-	Surface Mount	-	Fast Blow	-	75 V
SS-5H-3.15A-APH Eaton - Electronics Division	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	CQC, cURus, KC, PSE, TUV, VDE	100A	-	3.15 A	Board Mount (Cartridge Style Excluded)	67	Through Hole	-40°C ~ 125°C	Slow Blow	0.335" L x 0.169" W x 0.329" H (8.50mm x 4.30mm x 8.35mm)	300 V
RST 6.3 AMMO Download Datasheet for RST 6.3 AMMO Bel Fuse	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	CE, cURus, VDE	100A	-	6.3 A	Board Mount (Cartridge Style Excluded)	281	Through Hole	-55°C ~ 125°C	Slow Blow	0.329" L x 0.157" W x 0.303" H (8.35mm x 4.00mm x 7.70mm)	250 V
RST 500 AMMO Download Datasheet for RST 500 AMMO Bel Fuse	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	CCC, CE, cURus, SEMKO, VDE	100A	-	500 mA	Board Mount (Cartridge Style Excluded)	1.7	Through Hole	-55°C ~ 125°C	Slow Blow	0.329" L x 0.157" W x 0.303" H (8.35mm x 4.00mm x 7.70mm)	250 V
SF-1206S200-2 Download Datasheet for SF-1206S200-2 Bourns	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	UL	50A	-	2 A	Board Mount (Cartridge Style Excluded)	0.339	Surface Mount	-20°C ~ 105°C	Slow Blow	0.122" L x 0.061" W x 0.024" H (3.10mm x 1.55mm x 0.60mm)	63 V
SF-1206S050-2 Download Datasheet for SF-1206S050-2 Bourns	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	UL	50A	-	500 mA	Board Mount (Cartridge Style Excluded)	0.03	Surface Mount	-20°C ~ 105°C	Slow Blow	0.122" L x 0.061" W x 0.024" H (3.10mm x 1.55mm x 0.60mm)	63 V
SF-1206S100-2 Download Datasheet for SF-1206S100-2 Bourns	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	UL	50A	-	1 A	Board Mount (Cartridge Style Excluded)	0.098	Surface Mount	-20°C ~ 105°C	Slow Blow	0.122" L x 0.061" W x 0.024" H (3.10mm x 1.55mm x 0.60mm)	63 V
SF-0603F500-2 Download Datasheet for SF-0603F500-2 Bourns	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	UL	50A	-	5 A	Board Mount (Cartridge Style Excluded)	0.433	Surface Mount	-20°C ~ 105°C	Fast Blow	0.063" L x 0.032" W x 0.018" H (1.60mm x 0.80mm x 0.45mm)	32 V
BK/AGX-3/8 Eaton - Electronics Division	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	cULus	35A	-	375 mA	Cartridge, Glass	-	Requires Holder	-	Fast Blow	0.250" Dia x 1.042" L (6.35mm x 26.47mm)	250 V
ERB-RG3R00V Download Datasheet for ERB-RG3R00V Panasonic Electronic Components	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	cUL, UL	50A	-	3 A	Board Mount (Cartridge Style Excluded)	-	Surface Mount	-40°C ~ 125°C	Fast Blow	0.126" L x 0.063" W x 0.026" H (3.20mm x 1.60mm x 0.65mm)	32 V
0679L9150-01 Download Datasheet for 0679L9150-01 Bel Fuse	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	AEC-Q200, cURus	50A AC, 300A DC	-	15 A	Board Mount (Cartridge Style Excluded)	103.5	Surface Mount	-55°C ~ 125°C	Fast Blow	0.240" L x 0.100" W x 0.110" H (6.10mm x 2.54mm x 2.79mm)	125 V
MFU0805FF03000P100 Download Datasheet for MFU0805FF03000P100 Vishay BC Components	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	UL	50A	-	3 A	Board Mount (Cartridge Style Excluded)	0.0227	Surface Mount	-55°C ~ 125°C	Fast Blow	0.079" L x 0.049" W x 0.018" H (2.00mm x 1.25mm x 0.45mm)	32 V
MFU0805FF01000P100 Download Datasheet for MFU0805FF01000P100 Vishay BC Components	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	UL	50A	-	1 A	Board Mount (Cartridge Style Excluded)	0.0028	Surface Mount	-55°C ~ 125°C	Fast Blow	0.079" L x 0.049" W x 0.018" H (2.00mm x 1.25mm x 0.45mm)	32 V
MFU0805FF05000P100 Download Datasheet for MFU0805FF05000P100 Vishay BC Components	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	UL	50A	-	5 A	Board Mount (Cartridge Style Excluded)	0.2275	Surface Mount	-55°C ~ 125°C	Fast Blow	0.079" L x 0.049" W x 0.018" H (2.00mm x 1.25mm x 0.45mm)	32 V
SF-1206SP050-2 Download Datasheet for SF-1206SP050-2 Bourns	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	UL	50A	-	500 mA	Board Mount (Cartridge Style Excluded)	0.027	Surface Mount	-20°C ~ 105°C	Slow Blow	0.122" L x 0.061" W x 0.024" H (3.10mm x 1.55mm x 0.60mm)	63 V
2903.0 Conta-Clip, Inc.	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	-	-	-	-	-	-	-	-	-	-	-
0680L2000-05 Download Datasheet for 0680L2000-05 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	-	2 A	Board Mount (Cartridge Style Excluded)	6	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
0680L1000-05 Download Datasheet for 0680L1000-05 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	-	1 A	Board Mount (Cartridge Style Excluded)	1.5	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
0680L7000-05 Download Datasheet for 0680L7000-05 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	-	7 A	Board Mount (Cartridge Style Excluded)	68	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
0680L4000-05 Download Datasheet for 0680L4000-05 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	-	4 A	Board Mount (Cartridge Style Excluded)	24	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
0680L6300-05 Download Datasheet for 0680L6300-05 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
0680L5000-05 Download Datasheet for 0680L5000-05 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
0297005.WXNV Download Datasheet for 0297005.WXNV Littelfuse Inc.	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	-	1kA	Tan	5 A	Automotive	25	Requires Holder	-40°C ~ 125°C	Fast Blow	0.429" L x 0.150" W x 0.346" H (10.90mm x 3.80mm x 8.80mm)	32 V
04833.15DR Littelfuse Inc.	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	-	-	-	3.15 A	-	-	Surface Mount	-	Fast Blow	-	65 V
3413.0327.22 Download Datasheet for 3413.0327.22 Schurter Inc.	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	cURus	100A	-	8 A	Board Mount (Cartridge Style Excluded)	14	Surface Mount	-55°C ~ 90°C	Slow Blow	0.126" L x 0.063" W x 0.024" H (3.20mm x 1.60mm x 0.60mm)	32 V
SF-0603S125-2 Download Datasheet for SF-0603S125-2 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)	0.057	Surface Mount	-20°C ~ 105°C	Slow Blow	0.063" L x 0.032" W x 0.018" H (1.60mm x 0.80mm x 0.45mm)	32 V
SF-0603FP050F-2 Download Datasheet for SF-0603FP050F-2 Bourns	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	UL	13A AC, 50A DC	-	500 mA	Board Mount (Cartridge Style Excluded)	0.012	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 0.30mm)	65 V
SF-0603FP200M-2 Download Datasheet for SF-0603FP200M-2 Bourns	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	UL	35A	-	2 A	Board Mount (Cartridge Style Excluded)	0.21	Surface Mount	-55°C ~ 150°C	Fast Blow	0.063" L x 0.031" W x 0.019" H (1.60mm x 0.80mm x 0.48mm)	32 V
0297003.WXNV Download Datasheet for 0297003.WXNV Littelfuse Inc.	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	-	1kA	Violet	3 A	Automotive	9.4	Requires Holder	-40°C ~ 125°C	Fast Blow	0.429" L x 0.150" W x 0.346" H (10.90mm x 3.80mm x 8.80mm)	32 V
3412.0121.22 Download Datasheet for 3412.0121.22 Schurter Inc.	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)	0.58	Surface Mount	-55°C ~ 90°C	Fast Blow	0.063" L x 0.031" W x 0.024" H (1.60mm x 0.80mm x 0.60mm)	32 V
F0402G0R05FNTR Download Datasheet for F0402G0R05FNTR Kyocera AVX	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	cUL, UL	-	-	50 mA	Board Mount (Cartridge Style Excluded)	2E-06	Surface Mount	-55°C ~ 125°C	Fast Blow	0.039" L x 0.023" W x 0.014" H (1.00mm x 0.58mm x 0.35mm)	32 V
TR/3216FF1-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	-	1 A	Board Mount (Cartridge Style Excluded)	0.03	Surface Mount	-55°C ~ 125°C	Fast Blow	0.126" L x 0.063" W x 0.035" H (3.20mm x 1.60mm x 0.90mm)	32 V
3413.0222.22 Download Datasheet for 3413.0222.22 Schurter Inc.	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	cURus, VDE	63A	-	4 A	Board Mount (Cartridge Style Excluded)	2.74	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
BK-GMA-1-R TubeDepot	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	-	-	-	1 A	Cartridge, Glass	-	Requires Holder	-	Fast Blow	0.197" Dia x 0.787" L (5.00mm x 20.00mm)	-
F0402G0R15FNTR Download Datasheet for F0402G0R15FNTR Kyocera AVX	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	cUL, UL	-	-	150 mA	Board Mount (Cartridge Style Excluded)	2E-05	Surface Mount	-55°C ~ 125°C	Fast Blow	0.039" L x 0.023" W x 0.014" H (1.00mm x 0.58mm x 0.35mm)	32 V
SF-0603SP400M-2 Download Datasheet for SF-0603SP400M-2 Bourns	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	-	50A	-	4 A	Board Mount (Cartridge Style Excluded)	2.3	Surface Mount	-55°C ~ 150°C	Slow Blow	0.063" L x 0.031" W x 0.031" H (1.60mm x 0.80mm x 0.80mm)	32 V
TR/3216FF5-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	-	5 A	Board Mount (Cartridge Style Excluded)	0.534	Surface Mount	-55°C ~ 125°C	Fast Blow	0.126" L x 0.063" W x 0.035" H (3.20mm x 1.60mm x 0.90mm)	32 V
CC12H5A-TR Eaton - Electronics Division	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	cURus	100A	-	5 A	Board Mount (Cartridge Style Excluded)	6	Surface Mount	-55°C ~ 125°C	Slow Blow	0.126" L x 0.063" W x 0.024" H (3.20mm x 1.60mm x 0.60mm)	32 V
SF-0402FP0375F-2 Download Datasheet for SF-0402FP0375F-2 Bourns	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	UL	35A	-	375 mA	Board Mount (Cartridge Style Excluded)	0.0036	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)	35 V
SF-0603FP100F-2 Download Datasheet for SF-0603FP100F-2 Bourns	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	UL	13A AC, 50A DC	-	1 A	Board Mount (Cartridge Style Excluded)	0.042	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 0.30mm)	65 V
0466.250NR Download Datasheet for 0466.250NR Littelfuse Inc.	Stock on Request Send RFQ	Price on request Price and Stock on Request Stock on Request Send RFQ	CSA, UL	50A	-	250 mA	Board Mount (Cartridge Style Excluded)	0.001	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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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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