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Eaton PTSA181233V075 33 V 750 mA PTC Resettable Fuse
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pEaton PTSA181233V075 — 750 mA, 33 V, fuse./p
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Eaton PTSA181233V075 33 V 750 mA PTC Resettable Fuse
The PTSA181233V075 from Eaton carries 750 mA.
Technical Data
| Parameter | Rating |
|---|---|
| Parameter | Value |
| Orderable part number | PTSA181233V075 |
| Family | PTSA1812 - SMD 1812 (4532 metric) |
| Hold current (Ihold) at 23 °C | 750 mA |
| Trip current (Itrip) at 23 °C | 1.5 A |
| Maximum voltage (Vmax) | 33 Vdc |
| Maximum fault current (Imax) | 100 A |
| Power dissipated, tripped (Pd) | 1 W typical |
| Time to trip at 8 A | 0.3 s maximum |
| Initial resistance (Ri) | 0.07 Ω |
| Post-trip resistance (R1) | 0.48 Ω maximum |
| Mounting | Surface mount |
| Operating temperature | -40°C to 85°C (with derating) |
| Moisture sensitivity level | MSL 1 (J-STD-020) |
| Qualification | AEC-Q200 |
| Data sheet | Eaton Technical Data, PTSA1812 |
Practical Notes
- Do not upsize beyond 750 mA to stop nuisance trips — fix the cause instead.
Application Scenarios
Common installation contexts include:
- EV
- 24V
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