ourns Multifuse Resettable Fuses - Polymer PT & eramic PT hort Form atalog
ourns Multifuse Products ourns Multifuse family of Polymer Positive Temperature oefficient (PPT) resettable fuses are used in a wide variety of circuit protection applications. Under fault conditions the device resistance will rise exponentially and remain in a tripped state, providing continuous circuit protection until the fault is removed. Once the fault is removed and the power cycled, the device will return to its normal low resistance state. What s New in this Edition MF-PMF eries 080 surface mount products MF-RHT eries high temperature radial through-hole products MF-M0/0V telecom vertical surface mount products Expanded MF-NMF eries 06 surface mount products MF-RG eries automotive radial throughhole products MF-RX/7 eries 7V radial through-hole products MF eries ceramic products ee lso Multifuse automotive short form catalog ircuit protection selection guide for dedicated Multifuse telecom products Features/enefits Resettable overcurrent protection Heat element gency approvals - UL,, TÜV tandard footprints and packaging options Low resistance RoH compliance standard ustom designs available pplications omputer attery utomotive Telecommunications Industrial onsumer
Multifuse Products How They Work rystalline Polymer morphous Polymer onducting arbon hains Non-conducting arbon hains cold hot Resettable fuses are manufactured in the form of a conductive plastic, which is comprised of a nonconductive crystalline polymer with highly conductive carbon black particles impregnated throughout the crystal lattice. ecause of the close proximity of the carbon black particles within the crystal lattice, under normal conditions current is allowed to flow easily through the conductive plastic. However under a fault condition, when there is an increase in current, the conductive plastic heats at the rate of I R. s the material continues to heat, it eventually reaches the phase transformation temperature, which changes the crystal structure into an amorphous structure. Once the material has transformed into this amorphous structure, the conductive particles become isolated and are unable to conduct current hence the drastic change in material resistance. It is only when the current is removed that the material is allowed to cool and return to its original crystal structure. Multifuse Products How They re Used I=V/R MF I R MF Log I=V/R L Temperature V +t R L PT Response haracteristic It is the materials used in resettable fuses that allow them to reset after a fault condition has been removed. Resettable fuses exhibit a positive temperature coefficient effect when heated. While many materials exhibit a PT effect when heated (an increase in resistance in response to a positive change in temperature), what makes the material used in resettable fuses unique is the fact that the increase in resistance changes exponentially rather than in a linear manner. Typical ircuit pplication It is because of this transformation from a low resistance state to a high resistance state that allows the resettable fuse to protect loads. It is this transition from the low resistance state to high resistance state that is referred to as tripping. The time it takes for a resettable fuse to trip is relatively quick, depending on how high the fault current is and it can be as quick as a fraction of a second. Hence they are an excellent form of protection for most applications where sensitive devices need extra protection.
Low Voltage Products MF-R eries 6-60 0.0- mps Hold urrent Hour (R ) mperes Ohms at at mps Min. Max. Max. Max. Nom. MF-R00 0.0 60 0 7..0 MF-R00 0.0 60 0.0 7.0 MF-R07 0.7 60 0.00 8.00 MF-R00 0.0 60 0.0.0 MF-R0 0. 60 0.00.00 MF-R00 0.0 60 0 0.76.0 MF-R00 0.0 60 0 0..9 MF-R00 0.0 60 0 0..7 MF-R06 0.6 60 0 0.7 0.7 MF-R07 0.7 60 0 0.8 0.60 MF-R090 0.90 60 0 0. 0.7 MF-R090-0-9 0.90 0 0 0.07 0. MF-R0.0 0 0 0.0 0.7 MF-R. 0 0 0.06 0.7 MF-R60.60 0 0 0.0 0. MF-R8.8 0 0 0.00 0. MF-R0.0 0 0 0.0 0.07 MF-R0-0-0.0 0 0 0.0 0.07 MF-R00.00 0 0 0.00 0.08 MF-R00.00 0 0 0.00 0.0 MF-R00.00 0 0 0.00 0.0 MF-R600 6.00 0 0 0.00 0.0 MF-R700 7.00 0 0 0.00 0.0 MF-R800 8.00 0 0 0.00 0.0 MF-R900 0 0 0 0.00 0.0 MF-R00.00 6 00 0.00 0.0 MF-RG eries 6 V mperes at mps Hour (R ) MF- RG00.0 6 00 0.08 0.097 MF- RG00.0 6 00 0.0 0.00 8.0 8.. (0.) (0.7) (0.0) 7..7. (0.9) (0.00) (0.0) 7..7. (0.9) (0.00) (0.0) 7..7. (0.9) (0.00) (0.0) 7..7. (0.9) (0.00) (0.0) 7... (0.9) (0.8) (0.0) 7..7. (0.9) (0.9) (0.0) 7.9.7. (0.) (0.9) (0.0) 9.7.. (0.8) (0.98) (0.0) 0. 6.0. (0.09) (0.60) (0.0).7 6.7. (0.6) (0.67) (0.0) 7... (0.9) (0.80) (0.0) 8.9.0. (0.0) (0.) (0.0) 8.9 8.9. (0.0) (0.7) (0.0) 0. 6.8. (0.0) (0.66) (0.0).0 8.. (0.7) (0.7) (0.0).0 8.. (0.7) (0.70) (0.0).0 8.. (0.7) (0.70) (0.0).0 8.. (0.7) (0.70) (0.0)..8. (0.67) (0.976) (0.0) 7..9 0. (0.68) (0.980) (0.0) 9..9 0. (0.760) (.6) (0.0). 9.8 0. (0.870) (.7) (0.0)..9 0. (0.9) (.9) (0.0)..9 0. (0.9) (.9) (0.0)..9 0. (0.9) (.9) (0.0) Operating Temperature -0 ~ +8 Ohms at Min. Max. Max. Max. Max. 7..0. ±0.7 (0.8) 0. (0.) (0.). (0.6) (0.0 ±0.08). ±0.7 (0.0 ±0.08) MF-RX eries* Features ulk and Tape and Reel Packaging Industry tandard izes pplications omputers and Peripherals General Electronics utomotive onsumer ppliances Electronic Toys mperes at mps MF-RHT eries Operating Temperature High Temperature -0 ~ + Hour (R ) mperes Ohms at at mps Min. Max. Max. Max. Nom. MF-RHT070 0.7 6 0 0. 0.8 MF-RHT00.0 6 00 0.0 0.0 MF-RHT0. 6 00 0.0 0.0 MF-RHT60 6. 6 00 0.0 0.06 MF-RHT70 7. 6 00 0.009 0.0 MF-RHT00.0 6 00 0.00 0.0 60.0 -.7 mps Hold urrent Hour (R ) MF-RX0.0 60 0 0. 0.8 MF-RX. 60 0 0. 0.0 MF-RX60.60 60 0 0.09 0. MF-RX8.8 60 0 0.08 0.9 MF-RX0.0 60 0 0.0 0. MF-RX00.00 60 0 0.0 0.0 MF-RX7.7 60 0 0.0 0.08 Ohms at Min. Max. Max. Max. Nom..0 8.0. (0.). (0.7) 6. (0.6) 7.8 (0.70). (0.89).9 (0.980) 8. (.8) *Not recommended for new designs, suggest using new MF-RX/7 eries MF-RX/7 eries mperes at mps (0.709) 9.6 (0.77). (0.89).9 (0.90) 6. (.09) 0.0 (.8). (.9) (0.0). (0.0). (0.0). (0.0) 0. (0.0) 0. (0.0) 0. (0.0) 6.86 0.8. (0.7) (0.) (0.0) 9..0. (0.7) (0.) (0.0) 0..6. (0.) (0.6) (0.0).7.. (0.) (0.88) (0.0).0.. (0.) (0.9) (0.0). 8.7 0. (0.9) (.7) (0.0) 7 0.0.7 mps Hold urrent Hour (R ) MF-RX00/7 0.0 7 0.0.0 MF-RX0/7 0. 7 0.00.00 MF-RX00/7 0.0 7 0 0.76.0 MF-RX00/7 0.0 7 0 0..9 MF-RX00/7 0.0 7 0 0..7 MF-RX06/7 0.6 7 0 0.7 0.7 MF-RX07/7 0.7 7 0 0.8 0.60 MF-RX090/7 0.90 7 0 0. 0.7 MF-RX0/7.0 7 0 0. 0.8 MF-RX/7. 7 0 0. 0.0 MF-RX60/7.60 7 0 0.09 0. MF-RX8/7.8 7 0 0.08 0.9 MF-RX0/7.0 7 0 0.0 0. MF-RX00/7.00 7 0 0.0 0.0 MF-RX7/7.7 7 0 0.0 0.08 Ohms at Min. Max. Max. Max. Nom. 7..7. (0.9) 7. (0.9) 7. (0.9) 7. (0.9) 7.9 (0.) 9.7 (0.8) 0. (0.09).7 (0.6) 0.8 (0.7).6 (0.8).9 (0.9).8 (0.98) 7.8 (0.70) 0.67 (0.8). (0.96) (0.00).7 (0.00). (0.8).7 (0.9).7 (0.9). (0.98) 6.0 (0.60) 6.7 (0.67) 6.8 (0.66) 8.6 (0.78) 9.9 (0.78).8 (0.8).8 (0.98) 6.67 (.00) 9. (.6) (0.0). (0.0). (0.0). (0.0). (0.0). (0.0). (0.0). (0.0). (0.0). (0.0). (0.0). (0.0) 0. (0.0) 0. (0.0) 0. (0.0)
urface Mount Low Voltage Products ide View End View Top and ottom View ide View Features Tape and Reel Packaging Industry tandard izes pplications omputers and Peripherals General Electronics utomotive MF-M eries (90 package) urface Mount (7 mm) MF-M eries ( package) urface Mount (876 mm) -.0-.0 mps Hold urrent Hour (R ) mperes Ohms at at mps Min. Max. Max. Max. Nom. MF-M0.0 00 0.06 0. MF-M0/.0 0 0.06 0. MF-M8/.80 0 0.0 0. MF-M00.00 00 0.0 0. MF-M0.0 00 0.0 0.08 6-60 0.0-.00 mps Hold urrent Hour (R ) mperes Ohms at at mps Min. Max. Max. Max. Nom. MF-M00 0.0 60 0 0.90.80 MF-M00 0.0 60 0 0..0 MF-M07 0.7 0 80 0..00 MF-M07/60 0.7 60 0 0..00 MF-M00.0 0 80 0. 0.8 MF-M00/.0 0 0. 0. MF-M. 00 0.07 0. MF-M60.60 6 00 0.0 0.07 MF-M00.00 6 00 0.0 0.08 7.98.8. (0.) (0.) (0.) 7.98.8. (0.) (0.) (0.) 7.98.8. (0.) (0.) (0.) 7.98.8. (0.) (0.) (0.) 7.98.0. (0.) (0.8) (0.) 7.98.0. (0.) (0.8) (0.) 7.98.0. (0.) (0.8) (0.) 7.98.0. (0.) (0.8) (0.) 7.98.0. (0.) (0.8) (0.).0 6.7 (0.7) (0.8) (0.6).0 6.7 (0.7) (0.8) (0.6).0 6.7 (0.7) (0.8) (0.6).0 6.7 (0.7) (0.8) (0.6).0 6.7 (0.7) (0.8) (0.6) MF-NMF eries (06 package) 6-0 urface Mount (6 mm) 0. -.00 mps Hold urrent mperes at mps MF-MMF eries (8 package) urface Mount ( mm) Hour (R ) MF-NMF0 0. 0 0. 8.0 MF-NMF00 0.0 0 0.60.60 MF-NMF0 0. 6 00 0.0.0 MF-NMF00 0.0. 00 0. 0.70 MF-NMF07 0.7 6 00 0.0 0.0 MF-NMF0.0 6 00 0.06 0.0 MF-NMF0.0 6 00 0.0 0. MF-NMF00.00 6 00 0.0 0.08 6-60 0.0-.60 mps Hold urrent Hour (R ) mperes Ohms at at mps Min. Max. Max. Max. Max. MF-MMF00 0.0 60 0 0.70.0 MF-MMF0 0. 60 0 0.0 6.0 MF-MMF00 0.0 0 80 0.0 6.00 MF-MMF00/60 0.0 60 0 0.0 6.00 MF-MMF00 0.0 0 0 0.0.00 MF-MMF00 0.0 00 0..00 MF-MMF07 0.7. 00 0. 0. MF-MMF07/ 0.7 0 0. 0. MF-MMF0.0 6 00 0.0 0. MF-MMF0/6.0 6 00 0.0 0. MF-MMF. 6 00 0.0 0. MF-MMF0.0 6 00 0.0 0. MF-MMF0/.0 00 0.0 0. MF-MMF60.60 8 00 0.0 0.099 MF-MMF00.00 8 0 0.00 0.08 MF-MMF0/6.0 6 00 0.0 0. MF-MMF60.60 6 00 0.0 0.08 Ohms at Min. Max. Max. Max. Max...8. (0.). (0.). (0.). (0.). (0.). (0.). (0.). (0.8) (0.07).8 (0.07).8 (0.07).8 (0.07).8 (0.07).8 (0.07).8 (0.07).8 (0.07) (0.0) 0.8 0.8 0.8 0.7 (0.08) 0.7 (0.08) 0.7 (0.08).6 (0.06).7..0 (0.86) (0.) (0.0).7..0 (0.86) (0.) (0.0).7..0 (0.86) (0.) (0.0).7..0 (0.86) (0.) (0.0).7..0 (0.86) (0.) (0.0).7. 0.8 (0.86) (0.).7. 0.8 (0.86) (0.).7. 0.8 (0.86) (0.).7. 0.8 (0.86) (0.).7. 0.8 (0.86) (0.).7. 0.8 (0.86) (0.).7. 0.8 (0.86) (0.).7. 0.8 (0.86) (0.).7. 0.8 (0.86) (0.).7. 0.8 (0.86) (0.).7..00 (0.86) (0.) (0.078).7. 0.8 (0.86) (0.)
urface Mount Low Voltage Products (ontinued) MF-MDF eries (08 package) 0-60 urface Mount (00 mm) 0.0 -.00 mps Hold urrent Hour (R ) mperes Ohms at at mps Min. Max. Max. Max. Max. MF-MDF00 0. 60 0 0.0 MF-MDF0.0 0 0.0 0.7 MF-MDF00.00 0 0 0.0 0. MF-MHT eries 6 urface Mount/High.6 -.60 mps Hold urrent Temperature (Working temp: -0 ~ + ) Hour (R ) mperes Ohms at at mps Min. Max. Max. Max. Max. MF-MHT6.6 6 00 0.08 0.0 MF-MHT60.60 6 00 0.00 0.0..9.09 (0.) (0.9) (0.0)..9 0.8 (0.) (0.9)..9 0.8 (0.) (0.9) 7.98.0. (0.) (0.8) (0.) 9..0 6.7 (0.7) (0.8) (0.6) MF-PMF eries (080 package) 6-9 urface Mount (00 mm) 0.0 -.0 mps Hold urrent mperes at mps Hour (R ) MF-PMF00X 0.0 9 0 0.6. MF-PMF0X 0. 6 0 0.. MF-PMF00X 0.0 6 0 0. 0.9 MF-PMF07X 0.7 6 0 0.09 0. MF-PMF0X.0 6 0 0.06 0. Ohms at Min. Max. Max. Max. Max.. (0.09). (0.09). (0.09). (0.09). (0.09). (0.09). (0.09). (0.09). (0.09). (0.09) 0.8 0.8 0.8. (0.09). (0.09) MF-UMF eries (0 package) 6-0 urface Mount ( mm) 0.0 -.7 mps Hold urrent mperes at mps Hour (R ) MF-UMF00 0.0 0 0.80 0.0 MF-UMF00 0.0 0 0 0.80.0 MF-UMF00 0.0 0 0 0.0.00 MF-UMF0 0. 6.0 0 0.0.0 MF-UMF00 0.0. 0 0.8 0.90 MF-UMF07 0.7 6.0 0 0.07 0. MF-UMF0.0 6.0 0 0.0 0. MF-UMF0.0 6.0 0 0.0 0. MF-UMF7.7 6.0 0 0.0 0.09 Ohms at Min. Max. Max. Max. Max...8. (0.). (0.). (0.). (0.). (0.). (0.). (0.). (0.). (0.) (0.).8 (0.).8 (0.).8 (0.).8 (0.).8 (0.).8 (0.).8 (0.).8 (0.) (0.0). (0.0). (0.0) 0.8 0.8 0.8 0.8 0.8 0.8 6
trap Products tandard "" 0..0 LIT X NOMINL (.00) (.7) "RU" Features xial/ Weldable Nickel Terminal Very Low Internal pplications Rechargeable attery Packs for ellular Phones & Laptop omputers MF-V eries (Lowest vailable ) 0 xial Leaded trap.7-. mps Hold urrent Hour (R ) mperes Ohms at at mps Min. Max. Max. Max. Max. MF-V70.7 0 00 0.08 0.06 MF-V70N.7 0 00 0.08 0.06 MF-V7.7 0 00 0.07 0.06 MF-V7N.7 0 00 0.07 0.06 MF-V7NL.7 0 00 0.07 0.06 MF-V0. 0 00 0.00 0.00 MF-V0N. 0 00 0.00 0.00 MF-V0. 0 00 0.00 0.06 MF-V0N. 0 00 0.00 0.06 8.0. 0.9 (0.709) (0.6) (0.0).0.9 0.9 (0.9) (0.) (0.0) 8.0. 0.9 (0.709) (0.6) (0.0).0.9 0.9 (0.9) (0.) (0.0) 8.0.9 0.9 (.0) (0.) (0.0).. 0.9 (0.909) (0.6) (0.0).0.9 0.9 (.60) (0.) (0.0).. 0.9 (0.909) (0.6) (0.0).0.9 0.9 (.60) (0.) (0.0) MF-V eries (Low & Low Temp.) 6 xial Leaded trap.7-. mps Hold urrent Hour (R ) mperes Ohms at at mps Min. Max. Max. Max. Max. MF-V70.7 6 00 0.00 0.0 MF-V70.7 6 00 0.00 0.0 MF-V0. 6 00 0.08 0.060 MF-V0L. 6 00 0.08 0.060 MF-V0. 6 00 0.08 0.060 8.0. 0.9 (0.709) (0.7) (0.0) 8.0. 0.9 (0.709) (0.7) (0.0).. 0.9 (0.909) (0.7) (0.0) 6. 0.9 (.0) (0.7) (0.0).. 0.9 (0.909) (0.7) (0.0) MF-V Narrow ody eries (Low Narrow) xial Leaded trap.7-. mps Hold urrent Hour (R ) mperes Ohms at at mps Min. Max. Max. Max. Max. MF-V70N.7 00 0.00 0.0 MF-V7NL.7 00 0.09 0.0 MF-V0N. 00 0.08 0.060 MF-LR eries (Low ) xial Leaded trap.0.9 0.9 (0.9) (0.) (0.0) 8.0.9 0.9 (.0) (0.) (0.0).0.9 0.9 (.60) (0.) (0.0) 0-0.90-0 mps Hold urrent Hour (R ) mperes Ohms at at mps Min. Max. Max. Max. Max. MF-LR90.90 00 0.09 0.0 MF-LR90.90 00 0.09 0.0 MF-LR60.60 00 0.00 0.08 MF-LR60.60 00 0.00 0.08 MF-LR80.80 00 0.0 0.07 MF-LR0.0 6 00 0.0 0.08 MF-LR0.0 0 00 0.009 0.0 MF-LR600 6.00 0 00 0.007 0.09 MF-LR70 7.0 0 00 0.006 0.0 MF-LR70/0 7.0 0 00 0.006 0.0 MF-LR900/0 0 0 00 0.006 0.0...0 (0.870) (0.0) (0.09)...0 (0.870) (0.0) (0.09)...0 (0.909) (0.0) (0.09)...0 (0.909) (0.0) (0.09) 6.0 7..0 (.0) (0.9) (0.09) 6.0 0..0 (.0) (0.) (0.09) 7.0 7..0 (.7) (0.9) (0.09) 6.0.9.0 (.0) (0.66) (0.09) 0.0 (.8) (0.90) (0.09) 9...0 (.6) (0.7) (0.09) 7.6 8.. (.87) (0.) (0.0) 7
trap Products (ontinued) MF-L eries (Lower Trip Temperature) - xial Leaded trap.0-. mps Hold urrent MF- eries (tandard) xial Leaded trap -0.0-.0 mps Hold urrent Hour (R ) mperes Ohms at at mps Min. Max. Max. Max. Max. MF-L00.0 00 0.070 0.60 MF-L80.8 00 0.00 0.0 MF-L80L.8 00 0.00 0.0 MF-L80.8 00 0.00 0.0 MF-L90.9 00 0.00 0.00 MF-L90RU.9 00 0.00 0.00 MF-L60.6 00 0.0 0.076 MF-L00.0 00 0.0 0.0 MF-L0. 00 0.06 0.00...0 (0.909) (0.0) (0.09) 6.0..0 (.0) (0.0) (0.09) 7..6.0 (.8) (0.) (0.09) 6.0..0 (.0) (0.0) (0.09)..0. (0.9) (0.) (0.0) 0.8. 0.76 (0.89) (0.6) (0.00) RU 6.0.9.0 (.0) (0.69) (0.09).8.. (.) (0.) (0.0) 6.0.9.0 (.0) (0.66) (0.09) Hour (R ) mperes Ohms at at mps Min. Max. Max. Max. Max. MF-0.0 00 0.08 0.0 MF-0.0 00 0.08 0.0 MF-0.0 00 0.00 0. MF-7.7 00 0.00 0.0 MF-7.7 00 0.00 0.0 MF-00.00 0 00 0.00 0.080 MF-0.0 0 00 0.07 0.00 MF-0.0 0 00 0.0 0.00...0 (0.870) (0.0) (0.09)...0 (0.870) (0.0) (0.09)..0. (0.9) (0.) (0.0)...0 (0.909) (0.0) (0.09)...0 (0.909) (0.0) (0.09)..0. (0.9) (0.) (0.0).8.. (.) (0.) (0.0)..6. (.76) (0.) (0.0) Disk & hip Type PT Products MF-D eries* Disk onfiguration mperes at mps. -. mps Hold urrent Hour (R ) MF-D. 0 0.0 0.0 MF-D. 0 0.0 0.0 MF-D. 0 0.0 0.0 MF-D. 0 0.007 0.07 *For ordering information, contact your ourns representative. Ohms at Min. Max. Max. Max. Max.. 6. 0.6 (0.67) 6. (0.66) 6.08 (0.6). (0.9) (0.8) 0.0 (0.9) (0.) (0.0) 0.6 (0.0) 0.6 (0.0) 0.6 (0.0) Features ustom designs to meet appropriate applications ompatible with current industry standards Overcurrent and overtemperature protection tandard and low-temperature material Patents pending pplications Lithium cells attery cells Powered toys Motors 8
Telecom Products Features Designed to Withstand Lightning urge Designed to Withstand Power ross vailable in Matched ins pplications PE and entral Office ccess Equipment Hybrid-Fiber oax MF-R/90 eries 90 0.-0.7 mps Hold urrent Hour (R ) mperes Ohms at at mps Min. Max. Max. Max. Nom. MF-R0/90 0. 90 0 0..0 MF-R0/90U 0. 90 0 0..0 MF-R07/90 0.7 90 0 0.7.6 MF-RX/0 eries (Fast Trip, mall Package) 0.9 6.7. (0.) (0.6) (0.0) 0. 6.7. (0.) (0.6) (0.0).9.. (0.7) (0.6) (0.0) 60 0 Vrms short duration interrupt 0.-0.8 mps Hold urrent Hour (R ) mperes Ohms at at mps Min. Max. Max. Max. Max. MF-RX0/0 0. 60.0.0 6.0 MF-RX0/0-0. 60.0 7.0 6.0 MF-RX0/0-0. 60.0..0 MF-RX0/0-F 0. 60.0 6.0 6.0 MF-RX0/0-0. 60.0 6.0 6.0 MF-RX0/0-0. 60.0 8.0 6.0 MF-RX0/0-T 0. 60.0 7.0 6.0 MF-RX0/0U 0. 60.0 6.0 6.0 MF-RX0/0 0. 60.0.0.0 MF-RX0/0-0. 60.0.0.0 MF-RX0/0-0. 60.0..0 MF-RX0/0-T 0. 60.0..0 MF-RX0/0U 0. 60.0..0 MF-RX08/0 0.8 60 0.0 0.8.0 MF-RX08/0U 0.8 60 0.0 0.8.0 6..0. (0.6) (0.) (0.0) 6..0. (0.6) (0.) (0.0) 6..0. (0.6) (0.) (0.0) 6..0. (0.6) (0.) (0.0) 6..0. (0.6) (0.) (0.0) 6..0. (0.6) (0.) (0.0) 6..0. (0.6) (0.) (0.0) 6.0 0.0. (0.6) (0.9) (0.0) 6..0. (0.6) (0.) (0.0) 6..0. (0.6) (0.) (0.0) 6..0. (0.6) (0.) (0.0) 6..0. (0.6) (0.) (0.0) 6.0 0.0. (0.6) (0.9) (0.0).0.6. (0.) (0.) (0.0) 0..6. (0.09) (0.96) (0.0) MF-R/600 eries 60 600 Vrms short duration interrupt 0.-0.6 mps Hold urrent Hour (R ) mperes Ohms at at mps Min. Max. Max. Max. Max. MF-R0/600 0. 60.0 6.0.0 MF-R0/600-0. 60.0 7.0 0.0 MF-R0/600-0. 60.0.0 MF-R0/600-F 0. 60.0 7.0.0 MF-R06/600 0.6 60.0.0 8.0 MF-R06/600-0.6 60.0.0 6.0 MF-R06/600-0.6 60.0.0 7.0 MF-M0/0 eries urface Mount..6 6.0 (0.) (0.96) (0.6)..6 6.0 (0.) (0.96) (0.6)..6 6.0 (0.) (0.96) (0.6)..6 6.0 (0.) (0.96) (0.6) 6.0.6 6.0 (0.69) (0.96) (0.6) 6.0.6 6.0 (0.69) (0.96) (0.6) 6.0.6 6.0 (0.69) (0.96) (0.6) 60 0 Vrms short duration interrupt 0. mps Hold urrent Hour (R ) mperes Ohms at at mps Min. Max. Max. Max. Max. MF-M0/0-0. 60.0 6. 0.0 MF-M0/0-- 0. 60.0 6. 0.0 MF-M0/0-- 0. 60.0 0.0 MF-M0/0-- 0. 60.0 7.0 0.0 MF-M0/0V eries urface Mount mperes at mps 9..7 7. (0.70) (0.6) (0.9) 9..7 7. (0.70) (0.6) (0.9) 9..7 7. (0.70) (0.6) (0.9) 9..7 7. (0.70) (0.6) (0.9) 60 0 Vrms short duration interrupt 0. mps Hold urrent Hour (R ) MF-M0/0V 0. 0.0 6. 0.0 Ohms at Min. Max. Max. Max. Max. 6.6 (0.60) 7. (0.9). (0.6) 9
eramic PT Products Features eramic PTs for telecom overcurrent protection Wide range of form factors for most applications ids telecom compliance with: - ITU-T K.0// - Telcordia GR-089-ORE - UL 6090, rd Ed. Narrow and matched resistance tolerances 6 pplications Used as secondary overcurrent protection devices in: ustomer Premise Equipment (PE) entral Office Equipment (O) ccess Equipment MF-RL eries Induction Voltage Withstand V 0 ±0. Ohms Packaging Matching Rated (RN) Hold urrent mps at Trip urrent mps at Ohms Tolerance Max. Max. Nom. MF-RL0 60 0 ±0 % 0. 0. 9. (0.7). (0.77). (0.) MF-RL0-0 60 0 ±0 % 0. 0. 9. (0.7). (0.77). (0.) MF-RLU 60 ±0 % 0.060 0.. (0.0). (0.8). (0.0) MF-RL 60 ±0 % 0.07 0. 9.8 (0.86).0 (0.97). (0.) MF-RL-0 60 ±0 % 0.07 0. 9.8 (0.86).0 (0.97). (0.) MF-RL 60 ±0 % 0.07 0. 7. (0.9).6 (0.0).0 (0.) MF-RL-0 60 ±0 % 0.07 0. 7. (0.9).6 (0.0).0 (0.) MF-RL0 60 0 ±0 % 0.06 0. 9.8 (0.86).0 (0.97). (0.) MF-RL0-0 60 0 ±0 % 0.06 0. 9.8 (0.86).0 (0.97). (0.) MF-RL0 60 0 ±0 % 0.0 0.0 7. (0.9).6 (0.0).0 (0.) MF-RL0-0 60 0 ±0 % 0.0 0.0 7. (0.9).6 (0.0).0 (0.) MF-RL 60 ±0 % 0.06 0. 9.8 (0.86).0 (0.97). (0.) MF-RL-0 60 ±0 % 0.06 0. 9.8 (0.86).0 (0.97). (0.) MF-RL 60 ±0 % 0.0 0.0 7. (0.9).6 (0.0).0 (0.) MF-RL-0 60 ±0 % 0.0 0.0 7. (0.9).6 (0.0).0 (0.) MF-RL eries Through-hole/eramic ase Induction Voltage Withstand V Rated (RN) Hold urrent mps at Trip urrent mps at eramic Housing ±0. Ohms Packaging Matching Ohms Tolerance Max. Max. Nom. MF-RL0 60 0 ±0 % 0.06 0. 9. (0.6).7 (0.8) 9.6 (0.78) MF-RL0-0 60 0 ±0 % 0.06 0. 9. (0.6).7 (0.8) 9.6 (0.78) MF-D eries Twin Pack/MD MF-RD eries Twin Pack/Through-hole Induction Voltage Withstand V Induction Voltage Withstand V Rated (RN) Rated (RN) Hold urrent mps at Hold urrent mps at Trip urrent mps at Trip urrent mps at 0 V Rated ±0. Ohms Matching in Housing Ohms Tolerance Max. Max. Nom. MF-D 600 ±0 % 0. 0.6 (0.) 0.8 (0.) 0. (0.0) MF-D-0 600 ±0 % 0. 0.6 (0.) 0.8 (0.) 0. (0.0) MF-D 600 ±0 % 0. 0.6 7. (0.8) 8. (0.) 8. (0.9) MF-D-0 600 ±0 % 0. 0.6 7. (0.8) 8. (0.) 8. (0.9) MF-D 600 ±0 % 0.0 0.0 (0.) 0.8 (0.) 0. (0.0) MF-D-0 600 ±0 % 0.0 0.0 (0.) 0.8 (0.) 0. (0.0) MF-D 600 ±0 % 0.0 0.0 7. (0.8) 8. (0.) 8. (0.9) MF-D-0 600 ±0 % 0.0 0.0 7. (0.8) 8. (0.) 8. (0.9) MF-D0 600 0 ±0 % 0.09 0.9 (0.) 0.8 (0.) 0. (0.0) MF-D0-0 600 0 ±0 % 0.09 0.9 (0.) 0.8 (0.) 0. (0.0) MF-D0 600 0 ±0 % 0.09 0.9 7. (0.8) 8. (0.) 8. (0.9) MF-D0-0 600 0 ±0 % 0.09 0.9 7. (0.8) 8. (0.) 8. (0.9) 0 ±0. Ohms Packaging Matching Ohms Tolerance Max. Max. Nom. MF-RD0 600 0 ±0 % 0.09 0.9 (0.) 0. (0.0) 9. (0.6) MF-RD0-0 600 0 ±0 % 0.09 0.9 (0.) 0. (0.0) 9. (0.6) MF-RQ eries Quad Pack/Through-hole Induction Voltage Withstand V Rated (RN) Hold urrent mps at Four PTs in One Package ±0. Ohms Matching in Housing Trip urrent mps at Ohms Tolerance Max. Max. Nom. MF-RQ0 600 0 ±0 % 0.09 0.9 0.0 (0.9).0 (0.86).0 (0.) MF-RQ0-0 600 0 ±0 % 0.09 0.9 0.0 (0.9).0 (0.86).0 (0.) 6 6 0
How To Order ourns Multifuse Product Designator eries D = Disk onfiguration LR = xial Leaded trap L = xial Leaded trap MMF = urface Mount NMF = urface Mount PMF = urface Mount R = RG = RHT = High Temp. Radial Mount RX = = xial Leaded trap M = urface Mount MDF = urface Mount MHT = High Temp. urface Mount V = xial Leaded trap UMF = urface Mount V = xial Leaded trap VN = xial Leaded trap Hold urrent, Voltage Options: Max. Interrupt Voltage, V MF - RX 0/0 U - 0 - onstruction Options: N = Narrow Device Option (.6 mm)* = lotted Lead Option (one side)* = lotted Lead Option (two sides)* U = Uncoated T = Pretripped ** orted** (see individual data sheets) ins of 0. Ω*** 0 = 0. Ω Packaging Options - 0 = ulk Packaging - = Tape and Reel - P = mmo-pak *xial Leaded trap products only. **Telecom products only. *** products only. gency File Numbers UL File Number...E 7 File Number... 08 TÜV File Number...R07 Definitions gency pprovals ourns PPTs are certified under UL,, IE and TÜV registration programs. urrent, Hold ( ) The maximum current a PPT device can pass without interruption. urrent, Maximum (I max ) The maximum fault current a PPT device can withstand without damage at the rated voltage. urrent, Trip (I trip ) The minimum current that will switch a PPT from the low resistance to the high resistance state. Fault urrent The peak current that flows through a PPT or wire during a short circuit or arc back. Positive Temperature oefficient (PT) characteristic of the PPT device that describes the large increase in resistance as the device reaches its switching (trip) temperature., Post Trip (R max ) The maximum resistance one hour after a PPT device has been tripped and power has been removed., Post Reflow (R max ) The maximum resistance one hour after a PPT surface mount device has been reflow soldered. Voltage, Maximum (V max ) The maximum voltage a PPT device can withstand without damage at the rated current. Product election Worksheet. What is the normal circuit operating current ( ). What is the maximum circuit voltage (V max ). What is the maximum fault current (I max ). What is the preferred form factor Note: Other factors including thermal derating and time to trip characteristics may be important application considerations. Please refer to the full ourns data sheet of each product at www.bourns.com/multifuse.
Worldwide ales Offices ountry Phone Fax enelux: + (0) 768 + (0) 768 0 razil: + 0 060 + 0 70 hina: +86 680 +86 689 France: + (0) 7 + (0) 7 6 Germany: +9 (0)69 800 78 +9 (0)69 800 7899 Ireland/UK: + (0)76 69087 + (0)76 69088 Italy: + (0) 768 + (0) 768 0 Japan: +8 9 69 0 +8 9 69 97 Malaysia (KL Office): +60 788 +60 789 Malaysia (Penang Office): +60 6877 +60 6877 ingapore: +6 6877 +6 687 witzerland: + (0) 768 + (0) 768 0 Taiwan: +886 67 +886 66 UK/Ireland: + (0)76 69087 + (0)76 69088 U: +-9-78-00 +-9-78-006 Non-Listed European ountries: + (0) 768 + (0) 768 0 Technical ssistance Region Phone Fax sia-pacific: +886 67 +886 66 Europe: + (0) 768 + (0) 768 0 mericas: +-9-78-00 +-9-78-700 www.bourns.com ourns products are available through an extensive global network of representatives and distributors. To obtain technical applications assistance, a quotation, or to place an order, contact a ourns representative in your area. pecifications subject to change without notice. ctual performance in specific customer applications may differ due to the influence of other variables. ustomers should verify actual device performance in their specific applications. ircuit Protection olutions ourns and "Multifuse" are registered trademarks of ourns, Inc. in the U.. and other countries. OPYRIGHT 008, OURN, IN. LITHO IN U... WG 0/08 0M/MF07