RHEF750-1

Series:	PolySwitch®, RHEF
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Type:	Polymeric
Voltage - Max:	16V
Current - Max:	100A
Current - Hold (Ih) (Max):	7.5A
Current - Trip (It):	13.1A
Time to Trip:	7s
Resistance - Initial (Ri) (Min):	9.4 mOhms
Resistance - Post Trip (R1) (Max):	22 mOhms
Operating Temperature:	-40°C ~ 125°C
Ratings:	--
Mounting Type:	Through Hole
Package / Case:	Radial, Disc
Size / Dimension:	0.551" L x 0.118" W (14.00mm x 3.00mm)
Height - Seated (Max):	0.925" (23.50mm)
Thickness (Max):	--
Lead Spacing:	0.199" (5.05mm)
Approvals:	CSA, TUV, UL

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

PTC Resettable Fuses

PTC resettable fuses, also known as Polymeric Positive Temperature Coefficient (PPTC) fuses, are an integral component in electronic circuits, responsible for protection against electrical and other hazards. APTC resettable fuses are designed to work in a broad range of applications such as over-temperature protection, over-current protection, peak current protection, circuit breaker protection and more.The RHEF750-1 is a specific type of PTC resettable fuse that has a unique operating mechanism and a range of features which makes it an apt choice for a variety of applications. In this article, we shall discuss the application field and working principle of the RHEF750-1 so as to understand its capabilities better.The primary purpose of the RHEF750-1 PTC fuse is to protect circuits from over-current and over-temperature conditions. This fuse has an ultra-low resistance of 0.072 ohms and is suitable for most applications requiring power dissipation. The RHEF750-1 operates at a maximum current rating of 500mA with a rated voltage of 1.5V. The current must not exceed 500mA and the voltage should not exceed 1.5V for safety.At normal operating temperatures, the resistance of the PTC resettable fuse is very low and so the conductivity is also high. However, when the temperature of the circuit rises above the thermal trip point of the RHEF750-1, its positive temperature coefficient (PTC) characteristics cause it to trip and its resistance to increase sharply. This means that the current is reduced to a safe level, protecting the device from potential damage.Unlike traditional fuses, which must be replaced after they trip, the RHEF750-1 can be easily reset. This is done by forcibly cooling the PTC fuse, which reduces the temperature to below the trip point and allows the resistance to return to its normal low value. Thus, the device can be used over and over again.The RHEF750-1 is designed with surface mounting technology which ensures convenient installation and effective heat dissipation. It comes with high temperature tolerance and can operate at temperatures as high as 125°C and as low as -40°C. It is also designed with high surge current tolerance which prevents the fuse from tripping due to transient over-currents.The RHEF750-1 is suitable for a wide range of applications such as over-current and over-temperature protection of consumer/industrial electronics, medical equipment, automotive circuits, lighting, and control systems. It is also ideal for use in a variety of control systems and power systems.In conclusion, the RHEF750-1 PTC Resettable Fuse is a device specifically designed to protect circuits from over-current and over-temperature conditions. It has an ultra-low resistance of 0.072 ohms and can safely handle currents up to 500mA. It is capable of withstanding high temperature and surge currents and is suitable for a wide range of applications.

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description