RGEF500-AP

Resistance - Initial (Ri) (Min):	15 mOhms
Approvals:	CSA, TUV, UL
Lead Spacing:	0.199" (5.05mm)
Thickness (Max):	--
Height - Seated (Max):	0.563" (14.30mm)
Size / Dimension:	0.390" L x 0.098" W (9.90mm x 2.50mm)
Package / Case:	Radial, Disc
Mounting Type:	Through Hole
Ratings:	--
Operating Temperature:	-40°C ~ 85°C
Resistance - Post Trip (R1) (Max):	34 mOhms
Series:	PolySwitch®, RGEF
Time to Trip:	2s
Current - Trip (It):	8.5A
Current - Hold (Ih) (Max):	5A
Current - Max:	100A
Voltage - Max:	16V
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

PTC resettable fuses are an important element in any applications with sensitive electrical components, helping protect devices from being damaged by accidental overloads and short circuits. The RGEF500-AP is a type of resettable fuse that offers both high performance and striking price points.

Overview

The RGEF500-AP is an advanced resettable fuse designed specifically for the requirements of automotive, medical, HVAC, and other applications. It offers a broad range of features, including over-voltage protection, inrush current limiting, reverse current protection, and UL/CSA/IEC approval, all at a very competitive price point. The RGEF500-AP is also UL-recognized for use in automotive applications.

Working Principle

The working principle of the RGEF500-AP is based on the properties of PTCs (Polymeric Thermally Conductive). PTCs are temperature-sensitive materials that exhibit fast electrical breakdown when heated above a certain temperature. When a short circuit or overload occurs, the PTCs begin to convert electrical energy into thermal energy, which causes the fuse to heat up and trip the circuit. Once the circuit is tripped, the PTCs cool down and return to its original state, allowing the circuit to be reset without the need to replace the fuse.

ApplicationField

The RGEF500-AP is particularly suited to automotive, medical, HVAC, and other applications requiring dependable over-voltage protection, inrush current limiting, reverse current protection, and UL/CSA/IEC approval. It is able to provide reliable protection in applications with power supplies of more than 3.3V and currents up to 5A.In automotive applications, the RGEF500-AP can provide surge protection for the electrical systems of a vehicle, protecting against electrical surges caused by high-power alternators, electrical storms, short circuits, and other abnormal conditions. It can also be used to provide power supply monitoring and control, allowing the vehicle to remain in a safe state if an overload occurs.In medical applications, the RGEF500-AP can be used to provide dependable protection for sensitive equipment and devices, such as infusion pumps, CAT scanners, CT scanners, and X-ray machines. It is able to provide reliable over-voltage protection while still having a fast response time.In HVAC applications, the RGEF500-AP can be used to provide reliable protection for sensitive components, such as motor stator windings and capacitors. It is able to provide a fast response time and over-voltage/over-current protection, as well as reverse current protection.

Conclusion

The RGEF500-AP is a reliable and cost-effective PTC resettable fuse, designed for use in automotive, medical, HVAC, and other applications. It offers a broad array of features, including over-voltage protection, inrush current limiting, reverse current protection, UL/CSA/IEC approval, and a very competitive price point. In addition, the RGEF500-AP is UL-recognized for use in automotive applications.

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