Bourns MF-LR550
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at MF-LR Series - PTC Resettable Fuses Thermal Derating Table - Ihold (Amps) Model -40 ºC MF-LR190 2.8 MF-LR260 3.8 MF-LR380 5.5 MF-LR450 6.5 MF-LR550 8.0 MF-LR550/20 8.0 MF-LR600 8.7 MF-LR730 10.5 MF-LR730/20 10.5 MF-LR900/20 12.7 Itrip is approximately two times Ihold.| Part No. | MF-LR550 |
|---|---|
| Datasheet | MF-LR550 Download |
| Manufacturer |  Bourns |
| Description | PTC Resettable Fuses |
| Buy | Stock & Price |
FEATURES
APPLICATIONS
n Axial leaded Any application that requires protection at n Weldable nickel terminals low resistances: n Very low internal resistance n Rechargeable battery pack protection 8144S n Operating currents to 9.0 amps n RoHS compliant* n Cellular phones n Laptop computers n Agency recognition: MF-LR Series - PTC Resettable FusesELECTRICAL CHARACTERISTICS
Model Vmax Imax Ihold Itrip at 23 °C MF-LR190 MF-LR260 MF-LR380 MF-LR450 MF-LR550 MF-LR550/20 MF-LR600 MF-LR730 MF-LR730/20 MF-LR900/20 Volts 15 15 15 16 10 20 10 10 20 20 Amps 100 100 100 100 100 100 100 100 100 100 Amps 1.9 2.6 3.8 4.5 5.5 5.5 6.0 7.3 7.3 9.0 Amps 3.9 5.8 8.3 8.9 10.5 10.5 11.7 14.1 14.1 16.7 Initial Resistance at 23 °C (Ohms) Rmin 0.039 Rmax 0.072 0.020 0.042 0.013 0.026 0.011 0.020 0.009 0.016 0.009 0.016 0.007 0.014 0.006 0.012 0.006 0.012 0.006 0.010 1 Hour Post-Trip Resistance at 23 °C (Ohms) R1max. 0.102 0.083 0.037 0.028 0.022 0.022 0.019 0.015 0.015 0.014 Max. Time to Trip Tripped Power Dissipation at 23 °C at 23 °C (Watts) Amps Seconds Typ.
