PTR030V0185-BK

Resistance - Initial (Ri) (Min):	30 mOhms
Approvals:	cURus, TUV
Lead Spacing:	0.197" (5.00mm)
Thickness (Max):	--
Height - Seated (Max):	0.618" (15.70mm)
Size / Dimension:	0.402" L x 0.118" W (10.20mm x 3.00mm)
Package / Case:	Radial, Disc
Mounting Type:	Through Hole
Ratings:	--
Operating Temperature:	-40°C ~ 85°C
Resistance - Post Trip (R1) (Max):	90 mOhms
Series:	PolyTron™, PTR030V
Time to Trip:	8.7s
Current - Trip (It):	3.7A
Current - Hold (Ih) (Max):	1.85A
Current - Max:	40A
Voltage - Max:	30V
Type:	Polymeric
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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PTC Resettable Fuses

PTC resettable fuses, also known as polymeric positive temperature coefficient (PPTC) resettable fuses, are self-resetting circuit protection devices. They have become increasingly popular in a wide variety of electronic applications for their inherent simplicity, ease of use, and cost-effectiveness.The PTC resettable fuses have evolved over the years from simple two-terminal devices to highly sophisticated components with varying characteristics and capabilities. One of the most common types of PTC resettable fuse is the PTR030V0185-BK. This device is designed to provide overcurrent protection up to 185 volts to a wide range of electronics, such as medical devices, computers, communication systems, and consumer electronics.The PTR030V0185-BK uses a patented tri-mode, dual fuse technology which allows it to provide overcurrent protection for both AC and DC loads. This technology is based on a combination of thermal and electrical sensing that enables it to detect overcurrent conditions and then quickly react by shutting down the power before any damage can occur. This type of protection is particularly useful in applications where current protection is critical, such as medical devices, computers, and communication systems.The working principle of the PTR030V0185-BK is fairly simple. When an overcurrent condition occurs, the device will quickly react to shut down the power, thereby protecting the equipment from possible damage. This is accomplished by the time-delay fuse element which is calibrated to disconnect the power quickly when an overcurrent event is detected. This fuse element is designed to safely dissipate thermal energy in excess of the expected current load. This ensures that the device will react quickly to any unexpected current loads.The PTR030V0185-BK is designed to meet the demand of a broad range of applications. Since it is self-resettable, it can be used in applications where continuous operation is desired. This is due to the fact that it can automatically reset itself after a predetermined period of time. It is also designed to handle multiple high current events, making it suitable for applications such as medical equipment, computers, and communication systems.Overall, the PTR030V0185-BK is an excellent option for protecting a wide range of electronics. By providing overcurrent protection up to 185 volts, it is capable of protecting devices from both AC and DC overcurrent events. Additionally, due to its self-resetting capability, it is suitable for applications in which uninterrupted operation is desired. This device is a great option for providing reliable and cost-effective overcurrent protection.

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