OptiFuse

OptiFuse

OptiFuse is a company that specializes in the design, manufacturing, and distribution of high-quality fuses and circuit protection products. With a focus on safety and reliability, OptiFuse offers a wide range of fuse solutions that cater to various industries such as automotive, telecommunications, industrial automation, and renewable energy. The company's product portfolio includes blade fuses, automotive fuses, PCB-mount fuses, and thermal cutoffs, among others. OptiFuse prides itself on delivering exceptional customer service and technical support, ensuring that their clients receive the most suitable fuse solutions for their specific needs. With a commitment to innovation and stringent quality control measures, OptiFuse has gained a reputation for providing reliable circuit protection solutions that safeguard valuable equipment and systems.

Electrical, Specialty Fuses

Results:
156
Series
Current Rating (Amps)
Breaking Capacity @ Rated Voltage
Voltage Rating - DC
Voltage Rating - AC
Applications
Approval Agency
Fuse Type
Mounting Type
Size / Dimension
Package / Case
Class
Response Time
Features
Operating Temperature
Results remaining156
Applied Filters:
OptiFuse
Select
ImageProduct DetailPriceAvailabilityECAD ModelFeaturesOperating TemperatureResponse TimeFuse TypePackage / CaseBreaking Capacity @ Rated VoltageSize / DimensionSeriesCurrent Rating (Amps)ApplicationsMounting TypeApproval AgencyVoltage Rating - ACVoltage Rating - DCClass
FPK-6.3A
UL Class M Fuse, Fast Acting 6.3
Contact us
Quantity
Contact us
PCB Symbol, Footprint & 3D Model
-
-
Fast Blow
Cartridge
5AG, 10mm x 38mm (Midget)
100kA AC, 10kA DC
0.406" Dia x 1.496" L (10.30mm x 38.00mm)
FPK
6.3A
Electrical, Industrial
Requires Holder
cULus, UL 248
600 VAC
600 VDC
M
TPK-6A
UL Class M Fuse, Time Delay 6A
Contact us
Quantity
Contact us
PCB Symbol, Footprint & 3D Model
-
-
Slow Blow
Cartridge
5AG, 10mm x 38mm (Midget)
10kA
0.406" Dia x 1.496" L (10.30mm x 38.00mm)
TPK
6A
Electrical, Industrial
Requires Holder
cULus, UL 248
500 VAC
-
M
FPK-R-3.5A
UL Class CC Fuse, Fast Acting 3.
Contact us
Quantity
Contact us
PCB Symbol, Footprint & 3D Model
-
-
Fast Blow
Cartridge
5AG, 10mm x 38mm (Midget)
200kA AC, 20kA DC
0.406" Dia x 1.496" L (10.30mm x 38.00mm)
FPK-R
3.5A
Electrical, Industrial
Requires Holder
cULus, UL 248
600 VAC
300 VDC
CC
TPK-1.6A
UL Class M Fuse, Time Delay 1.6A
Contact us
Quantity
Contact us
PCB Symbol, Footprint & 3D Model
-
-
Slow Blow
Cartridge
5AG, 10mm x 38mm (Midget)
10kA
0.406" Dia x 1.496" L (10.30mm x 38.00mm)
TPK
1.6A
Electrical, Industrial
Requires Holder
cULus, UL 248
500 VAC
-
M
TPK-R-9A
UL Class CC Fuse, Time Delay 9A
Contact us
Quantity
Contact us
PCB Symbol, Footprint & 3D Model
-
-
Slow Blow
Cartridge
5AG, 10mm x 38mm (Midget)
200kA AC, 10kA DC
0.406" Dia x 1.496" L (10.30mm x 38.00mm)
TPK-R
9A
Electrical, Industrial
Requires Holder
cULus, UL 248
600 VAC
300 VDC
CC
TPK-500MA
UL Class M Fuse, Time Delay 500m
Contact us
Quantity
Contact us
PCB Symbol, Footprint & 3D Model
-
-
Slow Blow
Cartridge
5AG, 10mm x 38mm (Midget)
10kA
0.406" Dia x 1.496" L (10.30mm x 38.00mm)
TPK
500mA
Electrical, Industrial
Requires Holder
cULus, UL 248
500 VAC
-
M
FPK-R-6.3A
UL Class CC Fuse, Fast Acting 6.
Contact us
Quantity
Contact us
PCB Symbol, Footprint & 3D Model
-
-
Fast Blow
Cartridge
5AG, 10mm x 38mm (Midget)
200kA AC, 20kA DC
0.406" Dia x 1.496" L (10.30mm x 38.00mm)
FPK-R
6.3A
Electrical, Industrial
Requires Holder
cULus, UL 248
600 VAC
300 VDC
CC
TPK-800mA
UL Class M Fuse, Time Delay 800m
Contact us
Quantity
Contact us
PCB Symbol, Footprint & 3D Model
-
-
Slow Blow
Cartridge
5AG, 10mm x 38mm (Midget)
10kA
0.406" Dia x 1.496" L (10.30mm x 38.00mm)
TPK
800mA
Electrical, Industrial
Holder
CSA, UL
500 V
-
-
FPK-R-9A
UL Class CC Fuse, Fast Acting 9A
Contact us
Quantity
Contact us
PCB Symbol, Footprint & 3D Model
-
-
Fast Blow
Cartridge
5AG, 10mm x 38mm (Midget)
200kA AC, 20kA DC
0.406" Dia x 1.496" L (10.30mm x 38.00mm)
FPK-R
9A
Electrical, Industrial
Requires Holder
cULus, UL 248
600 VAC
300 VDC
CC
FPK-R-1.6A
UL Class CC Fuse, Fast Acting 1.
Contact us
Quantity
Contact us
PCB Symbol, Footprint & 3D Model
-
-
Fast Blow
Cartridge
5AG, 10mm x 38mm (Midget)
200kA AC, 20kA DC
0.406" Dia x 1.496" L (10.30mm x 38.00mm)
FPK-R
1.6A
Electrical, Industrial
Requires Holder
cULus, UL 248
600 VAC
300 VDC
CC
TPK-R-6.3A
UL Class CC Fuse, Time Delay 6.3
Contact us
Quantity
Contact us
PCB Symbol, Footprint & 3D Model
-
-
Slow Blow
Cartridge
5AG, 10mm x 38mm (Midget)
200kA AC, 10kA DC
0.406" Dia x 1.496" L (10.30mm x 38.00mm)
TPK-R
6.3A
Electrical, Industrial
Requires Holder
cULus, UL 248
600 VAC
300 VDC
CC
FPT-12A
Telecom Fuse, 12A 125VAC/VDC
Contact us
Quantity
Contact us
PCB Symbol, Footprint & 3D Model
Indicating
-
Fast Blow
Indicating Fuse
Alarm Indicator
300A
0.654" L x 0.126" W x 0.772" H (16.60mm x 3.20mm x 19.60mm)
FPT
12A
Telecom
Requires Holder
-
125 VAC
125 VDC
-
TPK-7A
UL CLASS M FUSE, TIME DELAY 7A
Contact us
Quantity
Contact us
PCB Symbol, Footprint & 3D Model
-
-
Slow Blow
Cartridge
5AG, 10mm x 38mm (Midget)
10kA
0.406" Dia x 1.496" L (10.30mm x 38.00mm)
TPK
7A
Electrical, Industrial
Requires Holder
cULus, UL 248
500 VAC
-
M
TPK-20A
UL CLASS M FUSE, TIME DELAY 20A
Contact us
Quantity
Contact us
PCB Symbol, Footprint & 3D Model
-
-
Slow Blow
Cartridge
5AG, 10mm x 38mm (Midget)
10kA
0.406" Dia x 1.496" L (10.30mm x 38.00mm)
TPK
20A
Electrical, Industrial
Requires Holder
cULus, UL 248
500 VAC
-
M
ANF-800A
FUSE FUSE STRIP 800A 32VDC RECT
Contact us
Quantity
Contact us
PCB Symbol, Footprint & 3D Model
-
-
Fast Blow
Fuse Strip
Rectangular, Blade
1kA
1.390" L x 0.870" W x 0.327" H (35.30mm x 22.10mm x 8.30mm)
ANF
800A
Automotive
Bolt Mount
-
-
32 VDC
-
ANF-700A
FUSE FUSE STRIP 700A 32VDC RECT
Contact us
Quantity
Contact us
PCB Symbol, Footprint & 3D Model
-
-
Fast Blow
Fuse Strip
Rectangular, Blade
1kA
1.390" L x 0.870" W x 0.327" H (35.30mm x 22.10mm x 8.30mm)
ANF
700A
Automotive
Bolt Mount
-
-
32 VDC
-
TPK-R-12A
UL Class CC Fuse, Time Delay 12A
Contact us
Quantity
Contact us
PCB Symbol, Footprint & 3D Model
-
-
Slow Blow
Cartridge
5AG, 10mm x 38mm (Midget)
200kA AC, 10kA DC
0.406" Dia x 1.496" L (10.30mm x 38.00mm)
TPK-R
12A
Electrical, Industrial
Requires Holder
cULus, UL 248
600 VAC
300 VDC
CC
TPK-R-3.5A
UL Class CC Fuse, Time Delay 3.5
Contact us
Quantity
Contact us
PCB Symbol, Footprint & 3D Model
-
-
Slow Blow
Cartridge
5AG, 10mm x 38mm (Midget)
200kA AC, 10kA DC
0.406" Dia x 1.496" L (10.30mm x 38.00mm)
TPK-R
3.5A
Electrical, Industrial
Requires Holder
cULus, UL 248
600 VAC
300 VDC
CC
TPK-6.3A
UL Class M Fuse, Time Delay 6.3A
Contact us
Quantity
Contact us
PCB Symbol, Footprint & 3D Model
-
-
Slow Blow
Cartridge
5AG, 10mm x 38mm (Midget)
10kA
0.406" Dia x 1.496" L (10.30mm x 38.00mm)
TPK
6.3A
Electrical, Industrial
Requires Holder
cULus, UL 248
500 VAC
-
M
FPK-9A
UL Class M Fuse, Fast Acting 9A
Contact us
Quantity
Contact us
PCB Symbol, Footprint & 3D Model
-
-
Fast Blow
Cartridge
5AG, 10mm x 38mm (Midget)
100kA AC, 10kA DC
0.406" Dia x 1.496" L (10.30mm x 38.00mm)
FPK
9A
Electrical, Industrial
Requires Holder
cULus, UL 248
600 VAC
600 VDC
M

About  Electrical, Specialty Fuses

Circuit protection, specifically specialty fuses in the electrical domain, refers to a range of products designed to safeguard electrical circuits from over-current faults. These specialty fuses are distinct from standard fuses and serve as primary circuit protection devices. They are engineered to respond to excessive current flow by triggering the destruction of a conductive element within the device, effectively interrupting the circuit and preventing damage to connected components. One key characteristic of specialty fuses is their classification under the UL248 standard as non-supplementary, emphasizing their primary role in safeguarding main circuits. Additionally, certain specialty fuses are certified for use in hazardous or explosive environments, meeting stringent safety requirements to mitigate ignition or explosion risks. These fuses exhibit form factors that differentiate them from those commonly used for supplementary equipment protection, such as fuses with indication functions or fusible cable links. Furthermore, specialized versions cater to specific applications, including the protection of telecommunications circuits or multimeters. The proper selection and utilization of these circuit protection accessories are crucial in ensuring the safety and reliability of electrical systems. Adherence to relevant safety standards and guidelines is essential for the correct installation and maintenance of these devices, which play a critical role in preventing over-current faults and supporting the secure operation of diverse applications.