PFRA.1100

Resistance - Initial (Ri) (Min):	3 mOhms
Approvals:	cURus, TUV
Lead Spacing:	0.402" (10.20mm)
Thickness (Max):	--
Height - Seated (Max):	1.295" (32.90mm)
Size / Dimension:	0.953" L x 0.118" W (24.20mm x 3.00mm)
Package / Case:	Radial, Disc
Mounting Type:	Through Hole
Ratings:	--
Operating Temperature:	-40°C ~ 85°C
Resistance - Post Trip (R1) (Max):	10 mOhms
Series:	PFRA
Time to Trip:	20s
Current - Trip (It):	22A
Current - Hold (Ih) (Max):	11A
Current - Max:	100A
Voltage - Max:	16V
Type:	Polymeric
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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PTC Resettable Fuses

A PTC Resettable Fuse (PFRA.1100) is a type of electrical fuse that automatically resets itself when the current flow in the circuit is reduced to a predetermined level. This type of fuse works by incorporating an internal polymeric positive temperature coefficient (PPTC) resistor that detects an overcurrent fault condition, and then utilizes the current flow to generate heat, subsequently raising the temperature of the PPTC to an extent where the current is diverted away from the protected circuit and the temperature is reduced back to normal.The PFRA.1100 is designed to provide an optimal level of current protection to circuits, while minimizing the cost associated with replacing traditional fuses. It consists of two main elements - an NTC resistor and a conductive film. The NTC resistor is constructed from a special polymeric material and is designed to activate and drastically reduce the resistance (in a fraction of a second) when the maximum operating temperature is exceeded in order to protect the equipment from damage. The conductive film is used to reduce the conduction time and minimize the risk of thermal runaway.In operation, the PFRA.1100 uses its NTC resistor and conductive film to detect an overload and quickly react to disconnect and reset the circuit. This allows it to be used as a direct replacement for traditional fuses without compromising safety or equipment performance. Additionally, the PFRA.1100 can be used as an overcurrent protection device for low voltage applications, as well as as a main circuit breaker in many residential and commercial applications. The PFRA.1100 is also designed to be not only cost-effective, but also to offer an extensive level of protection against a wide range of electrical and current related faults. In terms of specifications, the PFRA.1100 can tolerate a maximum current of 10A and has a break current rating of 0.5A. It is also rated to a maximum voltage of 24V.When it comes to installation, the PFRA.1100 is designed to be simple and efficient. It has a through-hole design, making it easy to mount in any direction. Additionally, it requires no welding and can be easily plugged and unplugged with a simple tools.In conclusion, the PFRA.1100 has revolutionized the way electrical fuses are used, by providing an effective and reliable level of protection from current-related dangers. It is also a cost-effective and easy to install device that can be used in many different applications. It has a wide operating temperature range, allowing it to be used in a variety of environmental conditions and is capable of withstanding a wide range of electrical fault currents.

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