Series:	POWR-GARD® KLKD
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Fuse Type:	Cartridge
Current Rating:	1A
Voltage Rating - AC:	600V
Voltage Rating - DC:	600V
Response Time:	Fast
Applications:	Solar (Photovoltaic)
Features:	--
Class:	--
Approvals:	CE, CSA, UL
Operating Temperature:	--
Breaking Capacity @ Rated Voltage:	100kA AC, 50kA DC
Mounting Type:	Holder
Package / Case:	Cartridge, Non-Standard
Size / Dimension:	0.406" Dia x 1.500" L (10.31mm x 38.10mm)
Melting I²t:	0.678
DC Cold Resistance:	0.252 Ohms

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KLKD001.H application field and working principle

Introduction

KLKD001.H is a special type of fuse which finds application in variety of switching applications. It is typically used for overcurrent, overvoltage and surge protection. This type of fuse is highly reliable and provides efficient protection due to its capability of sustaining high surge energy with a slow response time.

Application field

KLKD001.H is mainly used in switching and protection circuits of electronic products such as telecom, computers, household appliances, audio/video circuits, aircraft instruments, medical equipment and similar application field. It is also used in general industrial and consumer electronic and electrical equipments.Its typical application includes power supply, relays, sensors, circuit breakers, current sensing devices and other similar products. It can be used in various applications which require precise and isolated protection as well as potential switching.

Working principle

KLKD001.H is a type of thermal-hydraulic fuse. It consists of a cylindrical body, with a bore filled with an inert gas, a temperature sensitive diaphragm and an electric contact. It works in a way that the gas expands due to increase in temperature and the pressure generated is released by opening the electrical contact. When the circuit undergoes an overload, the diaphragm expands which opens the contact, thereby interrupting the circuit and protecting it from damage.The temperature at which the fuse opens the contact is typically around 70-85°C. The ability of this fuse to open the contact at such low temperature gives it edge over other types of fuses. It can also support a much higher current than other types of fuses with same size.

Advantages

KLKD001.H has many advantages over other types of fuses. It has fairly low tripping capability of around 70-85°C which improves its protection efficiency. It also has high surge current capacity due to its slow response time. It is highly reliable and provides efficient switching for long circuit life. It also has a low cost of ownership due to its low maintenance cost. Most importantly, it does not suffer from high inrush current problems like in case of most other fuses. This makes it ideal for applications where the user needs to protect against high inrush currents.

Conclusion

KLKD001.H is an ideal choice for application fields such as telecom, computers, household appliances, audio/video circuits, aircraft instruments and medical equipment, as it offers precise and isolated protection with a low tripping temperature and high surge current capacity. It is also highly reliable, easy to maintain and does not suffer from high inrush current problems.

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Part Number	Manufacturer	Price	Quantity	Description