PTR060V0017-BK

Resistance - Initial (Ri) (Min):	3.3 Ohms
Approvals:	cURus, TUV
Lead Spacing:	0.197" (5.00mm)
Thickness (Max):	--
Height - Seated (Max):	0.500" (12.70mm)
Size / Dimension:	0.291" Dia x 0.118" W (7.40mm x 3.00mm)
Package / Case:	Radial, Disc
Mounting Type:	Through Hole
Ratings:	--
Operating Temperature:	-40°C ~ 85°C
Resistance - Post Trip (R1) (Max):	8 Ohms
Series:	PolyTron™, PTR060V
Time to Trip:	3s
Current - Trip (It):	340mA
Current - Hold (Ih) (Max):	170mA
Current - Max:	40A
Voltage - Max:	60V
Type:	Polymeric
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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PTC Resettable FusesPTC resettable fuses are a type of electro-mechanical safeguard that protect against excessive current and are an efficient alternative to traditional fuses. They offer improved reliability and ease of use for all sorts of devices. The PTR060V0017-BK is a particular type of resettable fuse specifically designed for high-amperage applications - making it popular in industrial, commercial, and automotive applications.The PTR060V0017-BK is built with a pair of metal contacts in contact with each other. The contacts are pressed together by a tension spring, and when current is applied to the circuit, it flows between the contacts. At a predetermined level, the temperature of the PTC resettable fuse begins to rise. Once the resin in the device has reached its maximum temperature, the contacts separate. This act of separating the contacts is what\'s called a "trip," and it effectively breaks the circuit, which interrupts the current and prevents electrical failure. Once the trip has occurred, the PTR060V0017-BK will need to be manually reset in order for the circuit to become operational again.Though PTR060V0017-BK resettable fuses may seem simple, the mechanism behind them is fascinating. They\'re made up of three main materials - a resistance film, a dielectric material, and a semiconductor material. The resistance film is the main component of the device, and it is responsible for controlling the amount of current that can pass through the fuse. It is constructed with a special alloy that has thermal properties that are specifically designed for the chosen application. The second component, the dielectric material, serves as an insulator and protects the device from the environment and any disturbed electromagnetic signals. The third and final material used in the PTR060V0017-BK is a semiconductor material, which allows the resistance film to change its electrical property during a trip.The primary application field for the PTR060V0017-BK is in powering and controlling industrial motors. This includes motors designed for agricultural, commercial, and automotive use. The resettable fuse offers a reliable solution for keeping motor current at a safe level and preventing motor failure. It\'s also commonly used to control air conditioners, power supplies, and other types of motor-driven appliances.The work principle of the PTR060V0017-BK resettable fuse is straightforward. When current meets the preset level, the fuse trips and separates the contacts, breaking the circuit. When the temperature falls below the preset level, the contacts rejoin and the circuit is restored. This is an effective way to ensure equipment and components stay safe and reliable, even in the event of overloads, electrical surges, or other issues that can cause damage.In summary, the PTR060V0017-BK is a resettable fuse designed for high-amperage applications. It is constructed with a resistance film, dielectric material, and semiconductor material and is commonly used for industrial motors, air conditioners, power supplies, and other motor-driven appliances. When the preset level of current is reached, the contacts separate, interrupting the circuit and protecting the equipment from electrical failure. When the temperature falls back below its preset level, the fuse is restored and the circuit is reclosed.

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