NANOSMDC012F-2 Circuit Protection

Resistance - Initial (Ri) (Min):	1.4 Ohms
Approvals:	CSA, TUV, UL
Lead Spacing:	--
Thickness (Max):	0.039" (1.00mm)
Height - Seated (Max):	--
Size / Dimension:	0.126" L x 0.063" W (3.20mm x 1.59mm)
Package / Case:	1206 (3216 Metric), Concave
Mounting Type:	Surface Mount
Ratings:	--
Operating Temperature:	-40°C ~ 85°C
Resistance - Post Trip (R1) (Max):	6.5 Ohms
Series:	PolySwitch®, nanoSMD
Time to Trip:	200ms
Current - Trip (It):	390mA
Current - Hold (Ih) (Max):	120mA
Current - Max:	10A
Voltage - Max:	48V
Type:	Polymeric
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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PTC Resettable Fuses: NANOSMDC012F-2 Application Field and Working Principle

PTC resettable fuses are also known as polyfuses. They are types of fuses which can reset themselves after the fault has caused the current to exceed a certain level. The NANOSMDC012F-2 is a PTC fuse specifically designed for use in automotive and electronic equipment applications, providing them with circuit protection features.

Application Field

NANOSMDC012F-2 is designed to protect in-circuit device from short circuit, over current and overload. It is suitable for applications in both continuous and intermittent duty in car or automotive electronics, such as vehicles, mobile devices, and others where over-current protection is needed. Higher energy capability makes it also suitable for powerful applications. NANOSMDC012F-2 can be used in a variety of circuits, including AC circuits, solar or photovoltaic circuits, motors, power transformers, and DC/DC converters. It is also applicable for circuits with resistive or capacitive load, and is designed so that it can protect the devices and components of the circuits from any over-currents.

Working Principle

The NANOSMDC012F-2 is a PTC fuse made up of a special compound called a "positive temperature coefficient material" (PTC). This material has the ability to heat up rapidly in response to any increase in current. This leads to a sharp rise in temperature and resistance of the PTC thermistor, which can effectively reduce the current to a safe level. When the excessive current dissipates, the PTC thermistor then returns to its normal state, allowing the circuit current to return to normal and resetting the device.This fast reaction time and capability to withstand high in rush current makes the NANOSMDC012F-2 PTC fuse suitable for a wide range of applications. Its compact size makes it a perfect choice for electronics and automotive applications.

Conclusion

NANOSMDC012F-2 is a specialized type of PTC resettable fuse that offers circuit protection for a number of applications. It is designed to provide protection from over current, overvoltage, and short circuit in an array of circuits, ranging from AC to motors to solar and photovoltaic. Additionally, its fast reaction time and ability to withstand inrush current make it an ideal choice for a range of automotive and electronic applications.

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