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Eaton PTSLR18126V450 6 V 4.5 A PTC Resettable Fuse
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pEaton PTSLR18126V450 — 4.5 A, 6 V, fuse./p
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Eaton PTSLR18126V450 6 V 4.5 A PTC Resettable Fuse
The PTSLR18126V450 from Eaton carries 4.5 A.
Technical Data
| Parameter | Rating |
|---|---|
| Parameter | Value |
| Orderable part number | PTSLR18126V450 |
| Family | PTSLR1812 - SMD 1812 (4532 metric) |
| Moisture sensitivity level | MSL 2a (J-STD-020) |
| Data sheet | Eaton Technical Data, PTSLR1812 |
| Hold current (Ihold) at 23 °C | 4.5 A |
| Trip current (Itrip) at 23 °C | 9 A |
| Maximum voltage (Vmax) | 6 Vdc |
| Maximum fault current (Imax) | 50 A |
| Power dissipated, tripped (Pd) | 1 W typical |
| Time to trip at 22.5 A | 2 s maximum |
| Initial resistance (Ri) | 0.001 Ω |
| Post-trip resistance (R1) | 0.014 Ω maximum |
| Mounting | Surface mount |
| Operating temperature | -40°C to 85°C (with derating) |
Practical Notes
- Do not upsize beyond 4.5 A to stop nuisance trips — fix the cause instead.
Application Scenarios
Common installation contexts include:
- battery
- EV
- automotive
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