1210L200PR Circuit Protection

Resistance - Initial (Ri) (Min):	15 mOhms
Approvals:	cURus, TUV
Lead Spacing:	--
Thickness (Max):	0.063" (1.60mm)
Height - Seated (Max):	--
Size / Dimension:	0.127" L x 0.102" W (3.22mm x 2.58mm)
Package / Case:	1210 (3225 Metric), Concave
Mounting Type:	Surface Mount
Ratings:	--
Operating Temperature:	-40°C ~ 85°C
Resistance - Post Trip (R1) (Max):	70 mOhms
Series:	POLY-FUSE®, 1210L
Time to Trip:	1s
Current - Trip (It):	4A
Current - Hold (Ih) (Max):	2A
Current - Max:	100A
Voltage - Max:	6V
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: 1210L200PR Application Field and Working Principle

PTC Resettable Fuses are highly reliable fuse protection devices which provide both overcurrent protection and reset capability. They are widely used in a variety of applications such as power supplies, battery chargers, data/telecom systems, motor controls, industrial controls, consumer electronics and automotive applications.Also known as polymeric positive temperature coefficient devices, PTC Resettable Fuses are essentially made up of two elements: a resistance element and an integrated circuit, which provides both overcurrent protection and reset capability. This dual protection ensures that the device automatically resets after an overcurrent event. The device\'s circuit will stay open at all times until the current is reset.When an overload or a short-circuit occurs, the resistance element inside the PTC devices increases, limiting the amount of current that passes through the device. The integrated heater element then acts to heat up the device, causing its resistance to increase further, thus reducing the current through the device. As the excess current is limited, the device then trips the circuit into a "fail-safe" mode, effectively preventing further damages from occurring. The 1210L200PR application field and working principle specifically applies to applications where a controller or other electronic device needs more than 14 volts of power to operate. The 1210L200PR provides up to 30 volts of power and features a thermal element designed to increase with increases in current. The thermal element is made to be highly responsive and can automatically reset itself after long periods of time, allowing it to be used over extended periods without compromising its protection capabilities.In addition, the 1210L200PR PTC Resettable Fuses can be easily connected in series with other PTCs to provide more current protection. This makes it an ideal choice for larger-scale projects that require more than 30 volts. Furthermore, these devices feature a built-in test button that allows the user to quickly test the fuse for failure.Aside from their overcurrent protection capabilities, PTC Resettable Fuses are also designed to protect electronics from overvoltage damage. This is done by designing the device to be highly responsive to changes in temperature, and then by limiting the voltage when overvoltage occurs. This greatly reduces the risk of damages from overvoltage events and ensures the longevity of the device.In conclusion, the 1210L200PR PTC Resettable Fuses are highly reliable fuse protection devices designed for applications which require more than 14 volts of power. They provide a dual protection of both current and temperature-based overload protection, and they feature a test button to easily check for failure. Furthermore, these devices can be connected in series with other PTCs for more current protection, making them ideal for larger-scale projects that require more than 30 volts of power.

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