JJN-70

Response Time:	Fast
Size / Dimension:	0.840" L x 0.750" W (21.33mm x 19.05mm)
Package / Case:	Cylindrical, Blade Terminal (Bolt)
Mounting Type:	Bolt Mount
Breaking Capacity @ Rated Voltage:	200kA AC, 20kA DC
Operating Temperature:	--
Approvals:	CE, CSA, UL
Class:	T
Features:	--
Applications:	Electrical, Industrial
Series:	Limitron™ JJN
Voltage Rating - DC:	160V
Voltage Rating - AC:	300V
Current Rating:	70A
Fuse Type:	Cartridge
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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JJN-70 is a high-performance application field and working principle specialty fuse for the automobile, engineering machinery, auto accessories, and other industries. It is mainly used for overcharge protection, electronic anti-theft devices, etc.,It is a kind of applied fuse, which can effectively protect the electric equipment from the harm of high pressure, low current and short circuit.The JJN-70 specializes in automotive and engineering machinery applications and works mainly as a current limiter. It interrupts the circuit when it senses a current overload that exceeds its rated current value, providing both overcharge protection and short circuit protection for the attached devices. The thermobimetal fuse element in the JJN-70 actuates a switch, not allowing current to travel in the circuit beyond the set current rating.The operating principle of the JJN-70 involves two key parts: a thermobimetal fuse element and a switch. The fuse element is composed of two pieces of metal, normally held together by a spring. When exposed to heat, the bimetal bends, producing a large force that moves a plunger to actuate a switch. The heat is created by electrical current travelling through the fuse in excess of the rated value. The switch then interrupts the electrical connection, interrupting the flow of current.The JJN-70 application field and working principle uses a unique combination of thermobimetal and switch technologies to provide rapid response and consistent current protection. Unlike traditional fuses, these design elements do not suffer from any failure points resulting in improved reliability. Additionally, the design is temperature tolerant, withstanding up to 95 degrees Celsius.The JJN-70 has a wide range of use cases, such as automotive applications, engineering machinery, and electronic anti-theft devices. Its exceptional current protection is well-suited to a variety of industries, including automotive, electronics, machinery, and industrial automation. Not only can it provide overcharge protection, but it can also be used for primary current-limiting protection in a circuit.When it comes to selecting a JJN-70, it is important to select one that is suitable for the intended application. The rated current value should be checked and confirmed as not exceeding the maximum current threshold of the device. When the device is in operation, it is important to ensure that the ambient temperature remains within the specified temperature range.The JJN-70 application field and working principle is an efficient and dependable way to protect against overcharge and short circuit, and it is more reliable than traditional fuses. It is easy to install, cost-effective, and provides fast response and precise current protection to applications that demand it.

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