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 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)
5ST 80 FUSE GLASS 80MA 250VAC 5X20MM Bel Fuse Inc.	0 In Stock	Obsolete	5ST	Bulk	Obsolete	Requires Holder	Cartridge, Glass	80 mA	250 V	Slow Blow	5mm x 20mm	35A	0.015	CE, CSA, IMQ, SEMKO, UL, VDE	-55°C ~ 125°C	-	0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST 100 FUSE GLASS 100MA 250VAC 5X20MM Bel Fuse Inc.	0 In Stock	Obsolete	5ST	Bulk	Obsolete	Requires Holder	Cartridge, Glass	100 mA	250 V	Slow Blow	5mm x 20mm	35A	0.03	CE, CSA, IMQ, SEMKO, UL, VDE	-55°C ~ 125°C	-	0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST 125 FUSE GLASS 125MA 250VAC 5X20MM Bel Fuse Inc.	0 In Stock	Obsolete	5ST	Bulk	Obsolete	Requires Holder	Cartridge, Glass	125 mA	250 V	Slow Blow	5mm x 20mm	35A	0.05	CE, CSA, IMQ, SEMKO, UL, VDE	-55°C ~ 125°C	-	0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST 160 FUSE GLASS 160MA 250VAC 5X20MM Bel Fuse Inc.	0 In Stock	Obsolete	5ST	Bulk	Obsolete	Requires Holder	Cartridge, Glass	160 mA	250 V	Slow Blow	5mm x 20mm	35A	0.08	CE, CSA, IMQ, SEMKO, UL, VDE	-55°C ~ 125°C	-	0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST 200 FUSE GLASS 200MA 250VAC 5X20MM Bel Fuse Inc.	0 In Stock	Obsolete	5ST	Bulk	Obsolete	Requires Holder	Cartridge, Glass	200 mA	250 V	Slow Blow	5mm x 20mm	35A	0.15	CE, CSA, IMQ, SEMKO, UL, VDE	-55°C ~ 125°C	-	0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST 250 FUSE GLASS 250MA 250VAC 5X20MM Bel Fuse Inc.	0 In Stock	Obsolete	5ST	Bulk	Obsolete	Requires Holder	Cartridge, Glass	250 mA	250 V	Slow Blow	5mm x 20mm	35A	0.26	CE, CSA, IMQ, SEMKO, UL, VDE	-55°C ~ 125°C	-	0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST 315 FUSE GLASS 315MA 250VAC 5X20MM Bel Fuse Inc.	0 In Stock	Obsolete	5ST	Bulk	Obsolete	Requires Holder	Cartridge, Glass	315 mA	250 V	Slow Blow	5mm x 20mm	35A	0.46	CE, CSA, IMQ, SEMKO, UL, VDE	-55°C ~ 125°C	-	0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST 400 FUSE GLASS 400MA 250VAC 5X20MM Bel Fuse Inc.	0 In Stock	Obsolete	5ST	Bulk	Obsolete	Requires Holder	Cartridge, Glass	400 mA	250 V	Slow Blow	5mm x 20mm	35A	0.81	CE, CSA, IMQ, SEMKO, UL, VDE	-55°C ~ 125°C	-	0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST 500 FUSE GLASS 500MA 250VAC 5X20MM Bel Fuse Inc.	0 In Stock	Obsolete	5ST	Bulk	Obsolete	Requires Holder	Cartridge, Glass	500 mA	250 V	Slow Blow	5mm x 20mm	35A	1.4	CE, CSA, IMQ, SEMKO, UL, VDE	-55°C ~ 125°C	-	0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST 630 FUSE GLASS 630MA 250VAC 5X20MM Bel Fuse Inc.	0 In Stock	Obsolete	5ST	Bulk	Obsolete	Requires Holder	Cartridge, Glass	630 mA	250 V	Slow Blow	5mm x 20mm	35A	0.9	CE, CSA, IMQ, SEMKO, UL, VDE	-55°C ~ 125°C	-	0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST 800 FUSE GLASS 800MA 250VAC 5X20MM Bel Fuse Inc.	0 In Stock	Obsolete	5ST	Bulk	Obsolete	Requires Holder	Cartridge, Glass	800 mA	250 V	Slow Blow	5mm x 20mm	35A	1.6	CE, CSA, IMQ, SEMKO, UL, VDE	-55°C ~ 125°C	-	0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST 1 FUSE GLASS 1A 250VAC 5X20MM Bel Fuse Inc.	0 In Stock	Obsolete	5ST	Bulk	Obsolete	Requires Holder	Cartridge, Glass	1 A	250 V	Slow Blow	5mm x 20mm	35A	2.4	CE, CSA, IMQ, SEMKO, UL, VDE	-55°C ~ 125°C	-	0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST 1.25 FUSE GLASS 1.25A 250VAC 5X20MM Bel Fuse Inc.	0 In Stock	Obsolete	5ST	Bulk	Obsolete	Requires Holder	Cartridge, Glass	1.25 A	250 V	Slow Blow	5mm x 20mm	35A	4.1	CE, CSA, IMQ, SEMKO, UL, VDE	-55°C ~ 125°C	-	0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST 1.6 FUSE GLASS 1.6A 250VAC 5X20MM Bel Fuse Inc.	0 In Stock	Obsolete	5ST	Bulk	Obsolete	Requires Holder	Cartridge, Glass	1.6 A	250 V	Slow Blow	5mm x 20mm	35A	6.9	CE, CSA, IMQ, SEMKO, UL, VDE	-55°C ~ 125°C	-	0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST 2 FUSE GLASS 2A 250VAC 5X20MM Bel Fuse Inc.	0 In Stock	Obsolete	5ST	Bulk	Obsolete	Requires Holder	Cartridge, Glass	2 A	250 V	Slow Blow	5mm x 20mm	35A	12	CE, CSA, IMQ, SEMKO, UL, VDE	-55°C ~ 125°C	-	0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST 2.5 FUSE GLASS 2.5A 250VAC 5X20MM Bel Fuse Inc.	0 In Stock	Obsolete	5ST	Bulk	Obsolete	Requires Holder	Cartridge, Glass	2.5 A	250 V	Slow Blow	5mm x 20mm	35A	20	CE, CSA, IMQ, SEMKO, UL, VDE	-55°C ~ 125°C	-	0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST 3.15 FUSE GLASS 3.15A 250VAC 5X20MM Bel Fuse Inc.	0 In Stock	Obsolete	5ST	Bulk	Obsolete	Requires Holder	Cartridge, Glass	3.15 A	250 V	Slow Blow	5mm x 20mm	35A	33	CE, CSA, IMQ, SEMKO, UL, VDE	-55°C ~ 125°C	-	0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST 4 FUSE GLASS 4A 250VAC 5X20MM Bel Fuse Inc.	0 In Stock	Obsolete	5ST	Bulk	Obsolete	Requires Holder	Cartridge, Glass	4 A	250 V	Slow Blow	5mm x 20mm	40A	56	CE, CSA, IMQ, SEMKO, UL, VDE	-55°C ~ 125°C	-	0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST 5 FUSE GLASS 5A 250VAC 5X20MM Bel Fuse Inc.	0 In Stock	Obsolete	5ST	Bulk	Obsolete	Requires Holder	Cartridge, Glass	5 A	250 V	Slow Blow	5mm x 20mm	50A	95	CE, CSA, IMQ, SEMKO, UL, VDE	-55°C ~ 125°C	-	0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST 6.3 FUSE GLASS 6.3A 250VAC 5X20MM Bel Fuse Inc.	0 In Stock	Obsolete	5ST	Bulk	Obsolete	Requires Holder	Cartridge, Glass	6.3 A	250 V	Slow Blow	5mm x 20mm	63A	160	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.