RUEF600K-AP Circuit Protection

Series:	PolySwitch®, RUEF
Packaging:	Tape & Box (TB)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Type:	Polymeric
Voltage - Max:	30V
Current - Max:	100A
Current - Hold (Ih) (Max):	6A
Current - Trip (It):	12A
Time to Trip:	16s
Resistance - Initial (Ri) (Min):	5 mOhms
Resistance - Post Trip (R1) (Max):	40 mOhms
Operating Temperature:	-40°C ~ 85°C
Ratings:	--
Mounting Type:	Through Hole
Package / Case:	Radial, Disc
Size / Dimension:	0.650" L x 0.118" W (16.50mm x 3.00mm)
Height - Seated (Max):	1.031" (26.20mm)
Thickness (Max):	--
Lead Spacing:	0.400" (10.15mm)
Approvals:	CQC, CSA, TUV, UL

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Introduction

PTC resettable fuses are self-resetting thermal protection devices designed to protect against short circuits and over-current conditions in electronic circuits. They can provide an economical and convenient method of protecting delicate electronic components from thermal-induced damage. The RUEP600K-AP is one of the most commonly used PTC resettable fuses in the market. This article will provide an overview of the application field and working principle of RUEP600K-AP.

Application Field

The RUEP600K-AP is used to protect a variety of automotive, consumer, residential, and commercial electrical and electronic devices. Some of the applications where it can be used include power supplies, motor control equipment, industrial machinery, UPS systems, security and surveillance systems, communications equipment, and high-end consumer devices.The RUEP600K-AP is suitable for a wide variety of applications including high-current AC/DC power supplies, motor control circuits, industrial machines, communication systems, and other sensitive electronic devices. It is often used in automotive, consumer, residential, and commercial markets, as well as in industrial and medical devices.The RUEP600K-AP has a wide operating temperature range from -55°C to +125°C. It is a robust and reliable device that is UL and CSA certified for safety and can be used in a variety of applications.

Working Principle

The RUEP600K-AP has a unique design that allows it to self-reset after tripping and then return to a nominal resistance state. It is designed with a ceramic body and two solder terminals. The two terminals are electrically connected to the barrel portion of the fuse. The core of the RUEP600K-AP is made of a PTC thermistor material that is highly sensitive to temperature. When the thermistor material reaches its activation temperature, it will expand rapidly and create a high-resistance path that will limit the flow of current through the device.At normal operating conditions, the RUEP600K-AP will have a low resistance state and allow the normal current to flow uninterrupted. When the temperature in the system rises to a level above its activation temperature, its PTC thermistor material will expand and rapidly increase its resistance. This will cause the current flow through the device to be limited or stopped altogether.At this point, the RUEP600K-AP has effectively protected the device from the over-current event. As soon as the temperature of the system is reduced, the thermistor material will return to a normal state and the resistance will drop back to its nominal state.

Conclusion

The RUEP600K-AP is an excellent choice for applications that need to be protected against over-current and short circuit conditions. It is UL and CSA approved and can be used in a wide variety of scenarios and applications. Its unique design allows it to automatically reset after tripping and quickly return to its nominal resistance state. With its wide operating temperature range and robust design, the RUEP600K-AP is an ideal choice for protecting delicate electronic devices.

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