Fuses

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Mfr Part #	Quantity Available	Price	Series	Package	Product Status	Mounting Type	Fuse Type	Current Rating (Amps)	Voltage Rating - AC	Response Time	Package / Case	Breaking Capacity @ Rated Voltage	Melting I²t	Approval Agency	Operating Temperature	Color	Size / Dimension

5ST 10-R FUSE GLASS 10A 250VAC 5X20MM Bel Fuse Inc.	117,175 In Stock	1 : $0.63000 Bulk	5ST	Bulk	Active	Requires Holder	Cartridge, Glass	10 A	250 V	Slow Blow	5mm x 20mm	10A	439	CE, CSA, cURus	-55°C ~ 125°C	-	0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST 400-R FUSE GLASS 400MA 250VAC 5X20MM Bel Fuse Inc.	128,183 In Stock	1 : $0.63000 Bulk	5ST	Bulk	Active	Requires Holder	Cartridge, Glass	400 mA	250 V	Slow Blow	5mm x 20mm	35A	0.81	CCC, CE, CSA, cURus, IMQ, SEMKO, VDE	-55°C ~ 125°C	-	0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST 2-R FUSE GLASS 2A 250VAC 5X20MM Bel Fuse Inc.	100,932 In Stock	1 : $0.63000 Bulk	5ST	Bulk	Active	Requires Holder	Cartridge, Glass	2 A	250 V	Slow Blow	5mm x 20mm	35A	12	CCC, CE, CSA, cURus, IMQ, SEMKO, VDE	-55°C ~ 125°C	-	0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST 5-R FUSE GLASS 5A 250VAC 5X20MM Bel Fuse Inc.	72,082 In Stock	1 : $0.63000 Bulk	5ST	Bulk	Active	Requires Holder	Cartridge, Glass	5 A	250 V	Slow Blow	5mm x 20mm	50A	95	CCC, CE, CSA, cURus, IMQ, SEMKO, VDE	-55°C ~ 125°C	-	0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST 63-R FUSE GLASS 63MA 250VAC 5X20MM Bel Fuse Inc.	70,279 In Stock	1 : $0.63000 Bulk	5ST	Bulk	Active	Requires Holder	Cartridge, Glass	63 mA	250 V	Slow Blow	5mm x 20mm	35A	0.008	CCC, CE, CSA, cURus, IMQ, SEMKO, VDE	-55°C ~ 125°C	-	0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST 3.15-R FUSE GLASS 3.15A 250VAC 5X20MM Bel Fuse Inc.	62,503 In Stock	1 : $0.63000 Bulk	5ST	Bulk	Active	Requires Holder	Cartridge, Glass	3.15 A	250 V	Slow Blow	5mm x 20mm	35A	33	CCC, CE, CSA, cURus, IMQ, SEMKO, VDE	-55°C ~ 125°C	-	0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST 4-R FUSE GLASS 4A 250VAC 5X20MM Bel Fuse Inc.	54,682 In Stock	1 : $0.63000 Bulk	5ST	Bulk	Active	Requires Holder	Cartridge, Glass	4 A	250 V	Slow Blow	5mm x 20mm	40A	56	CCC, CE, CSA, cURus, IMQ, SEMKO, VDE	-55°C ~ 125°C	-	0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST 1-R FUSE GLASS 1A 250VAC 5X20MM Bel Fuse Inc.	40,047 In Stock	1 : $0.63000 Bulk	5ST	Bulk	Active	Requires Holder	Cartridge, Glass	1 A	250 V	Slow Blow	5mm x 20mm	35A	2.4	CCC, CE, CSA, cURus, IMQ, SEMKO, VDE	-55°C ~ 125°C	-	0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST 6.3-R FUSE GLASS 6.3A 250VAC 5X20MM Bel Fuse Inc.	33,013 In Stock	1 : $0.63000 Bulk	5ST	Bulk	Active	Requires Holder	Cartridge, Glass	6.3 A	250 V	Slow Blow	5mm x 20mm	63A	160	CCC, CE, CSA, cURus, IMQ, SEMKO, VDE	-55°C ~ 125°C	-	0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST 500-R FUSE GLASS 500MA 250VAC 5X20MM Bel Fuse Inc.	28,836 In Stock	1 : $0.63000 Bulk	5ST	Bulk	Active	Requires Holder	Cartridge, Glass	500 mA	250 V	Slow Blow	5mm x 20mm	35A	1.4	CCC, CE, CSA, cURus, IMQ, SEMKO, VDE	-55°C ~ 125°C	-	0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST 315-R FUSE GLASS 315MA 250VAC 5X20MM Bel Fuse Inc.	28,320 In Stock	1 : $0.63000 Bulk	5ST	Bulk	Active	Requires Holder	Cartridge, Glass	315 mA	250 V	Slow Blow	5mm x 20mm	35A	0.46	CCC, CE, CSA, cURus, IMQ, PSE, SEMKO, VDE	-55°C ~ 125°C	-	0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST 100-R FUSE GLASS 100MA 250VAC 5X20MM Bel Fuse Inc.	24,769 In Stock	1 : $0.63000 Bulk	5ST	Bulk	Active	Requires Holder	Cartridge, Glass	100 mA	250 V	Slow Blow	5mm x 20mm	35A	0.03	CCC, CE, CSA, cURus, IMQ, SEMKO, VDE	-55°C ~ 125°C	-	0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST 1.25-R FUSE GLASS 1.25A 250VAC 5X20MM Bel Fuse Inc.	16,457 In Stock	1 : $0.63000 Bulk	5ST	Bulk	Active	Requires Holder	Cartridge, Glass	1.25 A	250 V	Slow Blow	5mm x 20mm	35A	4.1	CCC, CE, CSA, cURus, IMQ, SEMKO, VDE	-55°C ~ 125°C	-	0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST 8-R FUSE GLASS 8A 250VAC 5X20MM Bel Fuse Inc.	15,592 In Stock	1 : $0.63000 Bulk	5ST	Bulk	Active	Requires Holder	Cartridge, Glass	8 A	250 V	Slow Blow	5mm x 20mm	80A	260	CE, CSA, cURus	-55°C ~ 125°C	-	0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST 250-R FUSE GLASS 250MA 250VAC 5X20MM Bel Fuse Inc.	15,444 In Stock	1 : $0.63000 Bulk	5ST	Bulk	Active	Requires Holder	Cartridge, Glass	250 mA	250 V	Slow Blow	5mm x 20mm	35A	0.26	CCC, CE, CSA, cURus, IMQ, SEMKO, VDE	-55°C ~ 125°C	-	0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST 630-R FUSE GLASS 630MA 250VAC 5X20MM Bel Fuse Inc.	14,142 In Stock	1 : $0.63000 Bulk	5ST	Bulk	Active	Requires Holder	Cartridge, Glass	630 mA	250 V	Slow Blow	5mm x 20mm	35A	0.9	CCC, CE, CSA, cURus, IMQ, SEMKO, VDE	-55°C ~ 125°C	-	0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST 125-R FUSE GLASS 125MA 250VAC 5X20MM Bel Fuse Inc.	12,457 In Stock	1 : $0.63000 Bulk	5ST	Bulk	Active	Requires Holder	Cartridge, Glass	125 mA	250 V	Slow Blow	5mm x 20mm	35A	0.05	CCC, CE, CSA, cURus, IMQ, SEMKO, VDE	-55°C ~ 125°C	-	0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST 2.5-R FUSE GLASS 2.5A 250VAC 5X20MM Bel Fuse Inc.	12,041 In Stock	1 : $0.63000 Bulk	5ST	Bulk	Active	Requires Holder	Cartridge, Glass	2.5 A	250 V	Slow Blow	5mm x 20mm	35A	20	CCC, CE, CSA, cURus, IMQ, SEMKO, VDE	-55°C ~ 125°C	-	0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST 1.6-R FUSE GLASS 1.6A 250VAC 5X20MM Bel Fuse Inc.	11,972 In Stock	1 : $0.63000 Bulk	5ST	Bulk	Active	Requires Holder	Cartridge, Glass	1.6 A	250 V	Slow Blow	5mm x 20mm	35A	6.9	CCC, CE, CSA, cURus, IMQ, SEMKO, VDE	-55°C ~ 125°C	-	0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST 160-R FUSE GLASS 160MA 250VAC 5X20MM Bel Fuse Inc.	8,735 In Stock	1 : $0.63000 Bulk	5ST	Bulk	Active	Requires Holder	Cartridge, Glass	160 mA	250 V	Slow Blow	5mm x 20mm	35A	0.08	CCC, CE, CSA, cURus, IMQ, SEMKO, VDE	-55°C ~ 125°C	-	0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST 80-R FUSE GLASS 80MA 250VAC 5X20MM Bel Fuse Inc.	10,502 In Stock	1 : $0.63000 Bulk	5ST	Bulk	Active	Requires Holder	Cartridge, Glass	80 mA	250 V	Slow Blow	5mm x 20mm	35A	0.015	CCC, CE, CSA, cURus, IMQ, SEMKO, VDE	-55°C ~ 125°C	-	0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST 12.5-R FUSE GLASS 12.5A 250VAC 5X20MM Bel Fuse Inc.	6,805 In Stock	1 : $0.63000 Bulk	5ST	Bulk	Active	Requires Holder	Cartridge, Glass	12.5 A	250 V	Slow Blow	5mm x 20mm	125A	490	-	-55°C ~ 125°C	-	0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST 800-R FUSE GLASS 800MA 250VAC 5X20MM Bel Fuse Inc.	6,609 In Stock	1 : $0.63000 Bulk	5ST	Bulk	Active	Requires Holder	Cartridge, Glass	800 mA	250 V	Slow Blow	5mm x 20mm	35A	1.6	CCC, CE, CSA, cURus, IMQ, SEMKO, VDE	-55°C ~ 125°C	-	0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST 200-R FUSE GLASS 200MA 250VAC 5X20MM Bel Fuse Inc.	6,125 In Stock	1 : $0.63000 Bulk	5ST	Bulk	Active	Requires Holder	Cartridge, Glass	200 mA	250 V	Slow Blow	5mm x 20mm	35A	0.15	CCC, CE, CSA, cURus, IMQ, SEMKO, VDE	-55°C ~ 125°C	-	0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST 63 FUSE GLASS 63MA 250VAC 5X20MM Bel Fuse Inc.	0 In Stock	Obsolete	5ST	Bulk	Obsolete	Requires Holder	Cartridge, Glass	63 mA	250 V	Slow Blow	5mm x 20mm	35A	0.008	CE, CSA, IMQ, SEMKO, UL, VDE	-55°C ~ 125°C	-	0.201" Dia x 0.787" L (5.10mm x 20.00mm)

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A fuse is a device designed to stop current flow when it exceeds a certain limit (overcurrent protection). The devices works by creating an opening in a material situated between two end terminals. The material will melt (blow) from an increase in heat generated by the device as the current flow changes. The amount of time it takes the device to blow is often defined as fast or slow-blow.

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