LTP260F

Resistance - Initial (Ri) (Min):	25 mOhms
Approvals:	CSA, TUV, UL
Lead Spacing:	--
Thickness (Max):	0.039" (1.00mm)
Height - Seated (Max):	--
Size / Dimension:	0.984" L x 0.447" W (25.00mm x 11.35mm)
Package / Case:	Strap
Mounting Type:	User Defined
Ratings:	--
Operating Temperature:	-40°C ~ 85°C
Resistance - Post Trip (R1) (Max):	76 mOhms
Series:	PolySwitch®, LTP
Time to Trip:	5s
Current - Trip (It):	5.2A
Current - Hold (Ih) (Max):	2.6A
Current - Max:	100A
Voltage - Max:	24V
Type:	Polymeric
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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PTC Resettable Fuses

PTC resettable fuses, also called polymer positive temperature coefficient (PPTC), are an emerging type of electrical protection device. Similar to conventional mechanical fuses, these devices are primarily used to protect circuits against excessive current conditions that may cause permanent damage. However, unlike mechanical fuses, which must be replaced after they open, PTC resettable fuses are designed to be reset after they open. As such, they are increasingly used in a wide variety of applications that require robust and reliable overcurrent protection.The LTP260F range of PTC resettable fuses from Littelfuse is designed to provide superior overcurrent protection in a variety of applications. It is particularly suited for protected applications in consumer, industrial, automotive and telecom and networking fields. The main advantage of the LTP260F is its ability to reset itself quickly and reliably after each overcurrent condition. Thanks to its unique design, the LTP260F allows greater flexibility and insensitivity to ambient temperature variations, making it a great choice for applications needing reliable overcurrent protection performance.In many cases, the LTP260F is used as an additional layer of protection alongside standard fuses, with the former providing helpful protection when the latter cannot. This is particularly beneficial for applications that require reliable overcurrent protection in the event of high inrush currents or frequent overcurrent conditions.The working principle behind the LTP260F is based on polymeric material, which is combined with a metal oxide to create a thermally sensitive, current-limiting fuse. When a device is connected to the LTP260F, the polymeric material absorbs current until the maximum threshold is exceeded. When it does, the temperature of the device rises, causing the metal oxide to expand and the device to open. This effectively cuts off any excess current, and the fuse returns to its normal temperature and state. Most devices are designed to reset quickly after a few seconds, making them highly useful when it comes to protecting against short-term or transient current spikes.In summary, LTP260F is a reliable and robust PTC resettable fuse from Littelfuse. It is designed to offer reliable protection against excessive current conditions, and offer quick self-resetting upon overcurrent events. Due to its superior performance, it has become increasingly popular for use in a wide range of applications, from consumer electronics to telecom and networking.

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