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LR4-550F
LR4-550F | Series: LR4
Littelfuse PolySwitch, a pioneer of polymeric positive temperature coefficient (PPTC) resettable devices, offers several material platforms to help protect battery applications. The high trip temperature, broad range of hold current ratings, and high voltage ratings available, combined with automotive qualifications are a unique combination for the LR4 series
| Property | Value |
|---|---|
IH (A) | 5.5 |
Trip Current (A) | 10.5 |
Max Voltage Rating (V) | 20 |
Max Fault Current Rating (A) | 100 |
PDMAX (W) | 2.8 |
RMIN (Ω) | 0.009 |
Resistance (Max) (Ω) | 0.016 |
R1max (Ω) | 0.022 |
Max Time to Trip Time (Sec) | 5 |
RTYP (Ω) | 0.013 |
Activation Temperature (Typical) (°C) | 125 |
Interrupt Current Max
| 100 |
Max Operating Temperature (°C) | Not Applicable |
- Qualified to AEC-Q200 for automotive applications
- Current ratings from 1.9A to 13A
- Voltage ratings from 15 V to 20 V
- Broad range of resettable devices available
- Low-resistance devices increase battery operating time
- Halogen-free and RoHS compliant
- Compatible with high-volume electronics assembly
- UL Recognized to UL 1434
- CSA Certified to CSA TIL No. CA-3A
- TUV Certified to EN 60730-1
LR4-550F Applications
- Rechargeable batteries for mobile devices
- E-call systems
- Vacuum cleaner
- Power tools
- Portable medical devices
LR4-550F Resources
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| Part Number | Part Description | RoHS | Pb-Free | RoHS (2015/863/EU) Certificate | REACH (SVHC's) Declaration | REACH (SVHC's) | Halogen Free | IPC-Material Declaration | |
|---|---|---|---|---|---|---|---|---|---|
| RF1545-000 | LR4-550F |  6/13/2017 |  6/13/2017 |  CoC_RoHS10_RF1545-000_LR4-550F | REACH_SVHC Declaration_RF1545-000 (LR4-550F) | Does Not Contain | No | IPC_RF1545-000 (LR4-550F) | View More |
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