37204000511

Package / Case:	Radial, Can, Vertical
DC Cold Resistance:	0.205 Ohms
Size / Dimension:	0.335" Dia x 0.315" H (8.50mm x 8.00mm)
Color:	--
Operating Temperature:	-40°C ~ 85°C
Approvals:	CCC, cURus, SEMKO, VDE
Melting I²t:	1.408
Breaking Capacity @ Rated Voltage:	35A
Mounting Type:	Through Hole
Series:	TR5® 372
Response Time:	Slow
Voltage Rating - AC:	250V
Current Rating:	400mA
Fuse Type:	Board Mount (Cartridge Style Excluded)
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

Fuses are devices used to protect circuits from over loads and short circuits. They are designed to break the electrical connection of a circuit when the intensity of the current exceeds the limit set by an appropriate design. Fuses have been around for a long period of time and have been proven to be safe and reliable in most cases, being used widely in a number of industries including transport, electronics, communications and even medical use.37204000511 is a type of fuse known as a ‘Thermal Cut Off’ fuse. Thermal Cut Off fuses are used to protect circuit components by automatically cutting off power when temperatures get too high, or currents too large. They are used in electronic circuits in order to protect them from damage due to over heating, overloading, or short circuiting.

Application Field

37204000511 Thermal Cut Off fuses are used in a wide variety of applications. They are primarily used for protection against overheating and over current situations, such as in home appliances, commercial equipment, electronic audio, video systems, electric cookers, air conditioning systems and electric water heaters. They are also commonly used in automotive and commercial vehicles.37204000511 Thermal Cut Off fuses are especially suitable for use in high-rated consumer products, such as those that use over current protection. In these products, the Thermal Cut Off fuse is usually placed near the power transformer and connected directly to the power supply line. This ensures that the fuse will trip when the current exceeds the maximum allowed limit. This protects the device from possible damage due to over current or excessive temperatures.

Working Principle

The working principle of 37204000511 Thermal Cut Off fuses is relatively simple. The fuse is made up of two components; one thermal element and one electrical element. When the Thermal Cut Off fuse is placed in an electrical circuit, the thermal element responds to temperature changes in the circuit and either permits or prevents electric current from flowing.The electrical element of the Thermal Cut Off fuse monitors the current in the circuit and will open once the specified current limit is exceeded. This ensures that the Thermal Cut Off fuse will break the electrical connection as soon as it reaches its specified rated current. If the temperature in the circuit rises above the specified temperature limit, the thermal element will open up, breaking the connection and thus providing another layer of protection against over heating.

Conclusion

37204000511 Thermal Cut Off fuses provide reliable and efficient protection against over loads and short circuits in a wide range of applications, from automotive and commercial vehicles to consumer products such as home and commercial appliances. The working principle of the Thermal Cut Off fuse is relatively simple, thanks to its two components; the electrical and the thermal element. Once the specified current or temperature limit is exceeded, the fuse will automatically break the connection, ensuring the safety of the circuit.

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