60R030XPR

Resistance - Initial (Ri) (Min):	880 mOhms
Approvals:	cURus, TUV
Lead Spacing:	0.201" (5.10mm)
Thickness (Max):	--
Height - Seated (Max):	0.500" (12.70mm)
Size / Dimension:	0.291" Dia x 0.122" W (7.40mm x 3.10mm)
Package / Case:	Radial, Disc
Mounting Type:	Through Hole
Ratings:	--
Operating Temperature:	-40°C ~ 85°C
Resistance - Post Trip (R1) (Max):	2.1 Ohms
Series:	POLY-FUSE®, 60R
Time to Trip:	3s
Current - Trip (It):	600mA
Current - Hold (Ih) (Max):	300mA
Current - Max:	40A
Voltage - Max:	60V
Type:	Polymeric
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Box (TB)

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PTC Resettable Fuses: 60R030XPR Application Field and Working Principle

PTC resettable fuses are a type of current limiting electrical protection devices, utilizing a new type of polymer-based material, commonly known as Polymeric Positive Temperature Coefficient (PPTC or PTC). 60R030XPR is the type number for a PPTC fuse in the market. It has a wide application field and operational characteristics.The 60R030XPR is a thermosetting device. The PPTC fuse works by using a miniature thermal switch that is activated by changes in temperature due to an increase in current. When the current exceeds a certain level, the temperature of the fuse rises quickly in response to the excessive heat, causing the fuse to open and thus cutting off the flow of electricity. The Reset button can be used to reset the PPTC fuse to reset the conduction path of the device.The 60R030XPR device provides an unusual level of safety when used in circuits or wiring. When the fuse trips, it limits the current, removing the risk of fire, equipment damage, and injury due to over-current conditions. This type of fuse can also improve electrical integrity and help prevent surges in current which can damage components or cause safety issues.The 60R030XPR device is designed for use in a variety of applications, including LED/lamp lighting, communications systems, HVAC systems, as well as security, power, and other safety protection systems. The wide operating temperature range, as well as the low resistance of these devices, allows them to be ideal for various types of applications.The 60R030XPR uses a sensor as the initiating device. It can detect current, heat, and temperature. As the sensor measures the temperature of the fuse it sends a signal to the thermosetting device. This signal activates the thermal switch which will then open the electrical path, causing the current flow to be interrupted. The thermal fuse will release a reset button when it reaches a designated temperature. This reset button can be pressed to reset the fuse to its original condition. The reset button should be located in a highly visible area to ensure easy access in case of emergency. All current will be interrupted immediately for safety protection when the reset button is actuated.The PTC resettable fuse also has many advantages and a few limitations. One strength of this type of technology is its low resistance, which helps reduce the amount of energy consumed. In addition, it also offers a high level of protection from power surges. Additionally, the reset button simplifies the reset process, making it easier to restore normal operation in the case of an emergency.However, a few limitations could be pointed out. The PPTC fuse is relatively high-priced and could be difficult to replace. The cost of replacing an entire circuit could exceed the cost of the PPTC device itself. In addition, the PPTC fuse is temperature-sensitive, so it can be prone to tripping in extreme heat or cold. This can lead to downtime and unnecessary expenses.In conclusion, the PTC resettable fuse has distinct advantages and limitations that should be considered when selecting a suitable current limiting device. The 60R030XPR has a wide application field and can be used in multiple applications and systems. Its low resistance helps minimize energy consumption and its reset button makes the reset process more convenient. However, it can be expensive to replace and can be sensitive to temperature. Knowing its application field, working principle and the pros and cons of using a PPTC fuse can help one make an informed decision about which type of fuse is best for any given application.

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