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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 Series
5ST 10-R
FUSE GLASS 10A 250VAC 5X20MM
Bel Fuse Inc.
117,175
In Stock
1 : $0.63000
Bulk
Bulk
ActiveRequires HolderCartridge, Glass10 A250 VSlow Blow5mm x 20mm10A439CE, CSA, cURus-55°C ~ 125°C-0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST Series
5ST 400-R
FUSE GLASS 400MA 250VAC 5X20MM
Bel Fuse Inc.
128,183
In Stock
1 : $0.63000
Bulk
Bulk
ActiveRequires HolderCartridge, Glass400 mA250 VSlow Blow5mm x 20mm35A0.81CCC, CE, CSA, cURus, IMQ, SEMKO, VDE-55°C ~ 125°C-0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST Series
5ST 2-R
FUSE GLASS 2A 250VAC 5X20MM
Bel Fuse Inc.
100,932
In Stock
1 : $0.63000
Bulk
Bulk
ActiveRequires HolderCartridge, Glass2 A250 VSlow Blow5mm x 20mm35A12CCC, CE, CSA, cURus, IMQ, SEMKO, VDE-55°C ~ 125°C-0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST Series
5ST 5-R
FUSE GLASS 5A 250VAC 5X20MM
Bel Fuse Inc.
72,082
In Stock
1 : $0.63000
Bulk
Bulk
ActiveRequires HolderCartridge, Glass5 A250 VSlow Blow5mm x 20mm50A95CCC, CE, CSA, cURus, IMQ, SEMKO, VDE-55°C ~ 125°C-0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST Series
5ST 63-R
FUSE GLASS 63MA 250VAC 5X20MM
Bel Fuse Inc.
70,279
In Stock
1 : $0.63000
Bulk
Bulk
ActiveRequires HolderCartridge, Glass63 mA250 VSlow Blow5mm x 20mm35A0.008CCC, CE, CSA, cURus, IMQ, SEMKO, VDE-55°C ~ 125°C-0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST Series
5ST 3.15-R
FUSE GLASS 3.15A 250VAC 5X20MM
Bel Fuse Inc.
62,503
In Stock
1 : $0.63000
Bulk
Bulk
ActiveRequires HolderCartridge, Glass3.15 A250 VSlow Blow5mm x 20mm35A33CCC, CE, CSA, cURus, IMQ, SEMKO, VDE-55°C ~ 125°C-0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST Series
5ST 4-R
FUSE GLASS 4A 250VAC 5X20MM
Bel Fuse Inc.
54,682
In Stock
1 : $0.63000
Bulk
Bulk
ActiveRequires HolderCartridge, Glass4 A250 VSlow Blow5mm x 20mm40A56CCC, CE, CSA, cURus, IMQ, SEMKO, VDE-55°C ~ 125°C-0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST Series
5ST 1-R
FUSE GLASS 1A 250VAC 5X20MM
Bel Fuse Inc.
40,047
In Stock
1 : $0.63000
Bulk
Bulk
ActiveRequires HolderCartridge, Glass1 A250 VSlow Blow5mm x 20mm35A2.4CCC, CE, CSA, cURus, IMQ, SEMKO, VDE-55°C ~ 125°C-0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST Series
5ST 6.3-R
FUSE GLASS 6.3A 250VAC 5X20MM
Bel Fuse Inc.
33,013
In Stock
1 : $0.63000
Bulk
Bulk
ActiveRequires HolderCartridge, Glass6.3 A250 VSlow Blow5mm x 20mm63A160CCC, CE, CSA, cURus, IMQ, SEMKO, VDE-55°C ~ 125°C-0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST Series
5ST 500-R
FUSE GLASS 500MA 250VAC 5X20MM
Bel Fuse Inc.
28,836
In Stock
1 : $0.63000
Bulk
Bulk
ActiveRequires HolderCartridge, Glass500 mA250 VSlow Blow5mm x 20mm35A1.4CCC, CE, CSA, cURus, IMQ, SEMKO, VDE-55°C ~ 125°C-0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST Series
5ST 315-R
FUSE GLASS 315MA 250VAC 5X20MM
Bel Fuse Inc.
28,320
In Stock
1 : $0.63000
Bulk
Bulk
ActiveRequires HolderCartridge, Glass315 mA250 VSlow Blow5mm x 20mm35A0.46CCC, CE, CSA, cURus, IMQ, PSE, SEMKO, VDE-55°C ~ 125°C-0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST Series
5ST 100-R
FUSE GLASS 100MA 250VAC 5X20MM
Bel Fuse Inc.
24,769
In Stock
1 : $0.63000
Bulk
Bulk
ActiveRequires HolderCartridge, Glass100 mA250 VSlow Blow5mm x 20mm35A0.03CCC, CE, CSA, cURus, IMQ, SEMKO, VDE-55°C ~ 125°C-0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST Series
5ST 1.25-R
FUSE GLASS 1.25A 250VAC 5X20MM
Bel Fuse Inc.
16,457
In Stock
1 : $0.63000
Bulk
Bulk
ActiveRequires HolderCartridge, Glass1.25 A250 VSlow Blow5mm x 20mm35A4.1CCC, CE, CSA, cURus, IMQ, SEMKO, VDE-55°C ~ 125°C-0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST Series
5ST 8-R
FUSE GLASS 8A 250VAC 5X20MM
Bel Fuse Inc.
15,592
In Stock
1 : $0.63000
Bulk
Bulk
ActiveRequires HolderCartridge, Glass8 A250 VSlow Blow5mm x 20mm80A260CE, CSA, cURus-55°C ~ 125°C-0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST Series
5ST 250-R
FUSE GLASS 250MA 250VAC 5X20MM
Bel Fuse Inc.
15,444
In Stock
1 : $0.63000
Bulk
Bulk
ActiveRequires HolderCartridge, Glass250 mA250 VSlow Blow5mm x 20mm35A0.26CCC, CE, CSA, cURus, IMQ, SEMKO, VDE-55°C ~ 125°C-0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST Series
5ST 630-R
FUSE GLASS 630MA 250VAC 5X20MM
Bel Fuse Inc.
14,142
In Stock
1 : $0.63000
Bulk
Bulk
ActiveRequires HolderCartridge, Glass630 mA250 VSlow Blow5mm x 20mm35A0.9CCC, CE, CSA, cURus, IMQ, SEMKO, VDE-55°C ~ 125°C-0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST Series
5ST 125-R
FUSE GLASS 125MA 250VAC 5X20MM
Bel Fuse Inc.
12,457
In Stock
1 : $0.63000
Bulk
Bulk
ActiveRequires HolderCartridge, Glass125 mA250 VSlow Blow5mm x 20mm35A0.05CCC, CE, CSA, cURus, IMQ, SEMKO, VDE-55°C ~ 125°C-0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST Series
5ST 2.5-R
FUSE GLASS 2.5A 250VAC 5X20MM
Bel Fuse Inc.
12,041
In Stock
1 : $0.63000
Bulk
Bulk
ActiveRequires HolderCartridge, Glass2.5 A250 VSlow Blow5mm x 20mm35A20CCC, CE, CSA, cURus, IMQ, SEMKO, VDE-55°C ~ 125°C-0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST Series
5ST 1.6-R
FUSE GLASS 1.6A 250VAC 5X20MM
Bel Fuse Inc.
11,972
In Stock
1 : $0.63000
Bulk
Bulk
ActiveRequires HolderCartridge, Glass1.6 A250 VSlow Blow5mm x 20mm35A6.9CCC, CE, CSA, cURus, IMQ, SEMKO, VDE-55°C ~ 125°C-0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST Series
5ST 160-R
FUSE GLASS 160MA 250VAC 5X20MM
Bel Fuse Inc.
8,735
In Stock
1 : $0.63000
Bulk
Bulk
ActiveRequires HolderCartridge, Glass160 mA250 VSlow Blow5mm x 20mm35A0.08CCC, CE, CSA, cURus, IMQ, SEMKO, VDE-55°C ~ 125°C-0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST Series
5ST 80-R
FUSE GLASS 80MA 250VAC 5X20MM
Bel Fuse Inc.
10,502
In Stock
1 : $0.63000
Bulk
Bulk
ActiveRequires HolderCartridge, Glass80 mA250 VSlow Blow5mm x 20mm35A0.015CCC, 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
5ST 12.5-R
FUSE GLASS 12.5A 250VAC 5X20MM
Bel Fuse Inc.
6,805
In Stock
1 : $0.63000
Bulk
Bulk
ActiveRequires HolderCartridge, Glass12.5 A250 VSlow Blow5mm x 20mm125A490--55°C ~ 125°C-0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST Series
5ST 800-R
FUSE GLASS 800MA 250VAC 5X20MM
Bel Fuse Inc.
6,609
In Stock
1 : $0.63000
Bulk
Bulk
ActiveRequires HolderCartridge, Glass800 mA250 VSlow Blow5mm x 20mm35A1.6CCC, CE, CSA, cURus, IMQ, SEMKO, VDE-55°C ~ 125°C-0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST Series
5ST 200-R
FUSE GLASS 200MA 250VAC 5X20MM
Bel Fuse Inc.
6,125
In Stock
1 : $0.63000
Bulk
Bulk
ActiveRequires HolderCartridge, Glass200 mA250 VSlow Blow5mm x 20mm35A0.15CCC, CE, CSA, cURus, IMQ, SEMKO, VDE-55°C ~ 125°C-0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST Series
5ST 63
FUSE GLASS 63MA 250VAC 5X20MM
Bel Fuse Inc.
0
In Stock
Obsolete
Bulk
ObsoleteRequires HolderCartridge, Glass63 mA250 VSlow Blow5mm x 20mm35A0.008CE, CSA, IMQ, SEMKO, UL, VDE-55°C ~ 125°C-0.201" Dia x 0.787" L (5.10mm x 20.00mm)
Showing
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Fuses


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.