Bourns Multifuse Product Line Announces New High Temperature PPTC Resettable Fuses

Model MF-RHS Series

Riverside, California – January 2, 2024 – The Bourns Multifuse Product Line is pleased to announce the release of the new Model MF-RHS High Temperature Radial Leaded Polymer Positive Temperature Coefficient (PPTC) Resettable Fuse Series. The new series includes Ihold current ratings from 3.5 A to 13.0 A at 16 V maximum rated voltage, 100 A maximum rated current and a maximum operating temperature up to 125 °C.

The addition of the new Model MF-RHS Series provides a broader high temperature PPTC offering for applications with high working temperature and high power rating requirements – particularly in motor and industrial applications. The new Model MF-RHS Series utilizes Bourns’ innovative design that increases the performance of the resettable fuse with:

• Higher hold current ratings (Ihold)

• Improved resistance stability

• Higher maximum current ratings (Imax)

• Smaller PPTC chip size

New Model

MF-RHS350 MF-RHS400 MF-RHS450 MF-RHS500 MF-RHS550

MF-RHS600 MF-RHS650 MF-RHS700 MF-RHS750 MF-RHS800

MF-RHS900 MF-RHS1000 MF-RHS1100 MF-RHS1200 MF-RHS1300

The new Model MF-RHS Multifuse® PPTC Series products are RoHS compliant*, halogen free** and are produced in one of Bourns’ IATF 16949 certified facilities.

Series	Ihold (A)	Imax (A)	Vmax (VDC)	Operating Temperature (°C)	RoHS Compliant*	Halogen Free**	Agency Recognition
MF-RHS	3.5 – 13	100	16	-40 to +125	Yes	Yes	UL, CSA

Features

• Operating temperature range up to 125 °C

• Higher hold currents at elevated temperatures

• Low thermal derating factor

• RoHS compliant*

• Halogen free**

• UL and CSA recognized

Applications

• Electronic equipment running at high operating temperatures

• Navigation, telematics, infotainment, electrical centers, junction boxes and power distribution

• DC motors

• EMI (Electromagnetic Interference) suppression

• Heating, Ventilation and Cooling (HVAC)

• Electronic Control Unit (ECU) I/O protection

• Power outlets, plugs and adapter/chargers

• Powered networks and buses

* RoHS Directive 2015/863, Mar 31, 2015 and Annex.

** Bourns considers a product to be “halogen free” if (a) the Bromine (Br) content is 900 ppm or less; (b) the Chlorine (Cl) content is 900 ppm or less; and (c) the total Bromine (Br) and Chlorine (Cl) content is 1500 ppm or less.