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Littelfuse PICO® SMF 459 0459.062ER | 62 mA 125 VAC/VDC Fuse | SMD terminals | 2,500 pcs
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pLittelfuse 0459.062ER — 62 mA, 125 V, SMD fuse, 50 A @ 125 VAC; 300 A @ 125 VDC interrupting./p
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Littelfuse PICO® SMF 459 0459.062ER | 62 mA 125 VAC/VDC Fuse | SMD terminals | 2,500 pcs
Built by Littelfuse, the 0459.062ER carries 62 mA, rated 125 VAC/VDC.
Technical Data
| Parameter | Rating |
|---|---|
| Parameter | Value |
| Manufacturer / Series | Littelfuse / PICO® SMF 459 |
| Part number | 0459.062ER |
| Fuse characteristic | Very Fast-Acting (FF) |
| Rated current | 62 mA |
| Rated voltage | 125 VAC/VDC |
| Interrupting capability | 50 A @ 125 VAC; 300 A @ 125 VDC |
| Package | PICO® SMF surface-mount fuse; Tape & Reel |
| Mounting method | Surface Mount (SMD) |
| Dimensions | 8.26 × 4.32 × 3.05 mm |
| Lead pitch | N/A (SMD) |
| Operating temperature | -55°C to +125°C |
| Approvals | UL E10480 |
| Standards / compliance | UL Recognized; CSA (rating-dependent); PSE (1–5A); RoHS |
| Environmental | RoHS compliant |
| Nominal cold resistance | 7 Ω |
| Nominal melting I²t | 7.5e-05 A²s |
| Packaging / order code | ER: Tape & Reel, 2,500 pcs; SMD terminals |
| Product status | Verify current orderability with Littelfuse / authorized distribution |
Selection Notes
- Interrupting capability is 50 A @ 125 VAC; 300 A @ 125 VDC — confirm the circuit's prospective fault current stays below this.
- Working voltage must stay at or below 125 VAC/VDC; a lower-rated part is not a safe substitute.
- Do not upsize beyond 62 mA to stop nuisance trips — fix the cause instead.
Typical Applications
Engineers usually specify it for these duties:
- EV
- telecom
Part Number and Packing
Order code 0459.062ER from Littelfuse, supplied in PICO® SMF surface-mount fuse; Tape & Reel. Confirm the exact suffix before release.
Q&A
What are the ratings of the 0459.062ER?
62 mA continuous at 125 VAC/VDC, interrupting rating 50 A @ 125 VAC; 300 A @ 125 VDC.
Can the 0459.062ER be used on a higher fault-current circuit?
No — its interrupting rating is 50 A @ 125 VAC; 300 A @ 125 VDC. Choose a part whose breaking capacity exceeds the prospective fault current.
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