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Eaton C308F80mA 80 mA 250 Vac/dc Ceramic Tube Fuse
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pEaton C308F80mA — 80 mA, 250 V, ceramic cartridge fuse, 4000 A @ 250 Vac/dc interrupting./p
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Eaton C308F80mA 80 mA 250 Vac/dc Ceramic Tube Fuse
Built by Eaton, the C308F80mA carries 80 mA, rated 250 Vac / 250 Vdc, in a ceramic body.
Technical Data
| Parameter | Rating |
|---|---|
| Parameter | Value |
| Manufacturer / Series | Eaton / C308F Series |
| Orderable part number | C308F80mA |
| Ferrule part number | C308F80mA |
| Axial lead equivalent | C308F-V-80mA |
| Current rating | 80 mA |
| Voltage rating | 250 Vac / 250 Vdc |
| Interrupting rating | 4000 A @ 250 Vac/dc |
| Typical DC cold resistance | 5.10 Ohm |
| Typical melting I2t | 0.00018 A2s (measured at 10 In) |
| Colour coding | Green |
| Package | 3 x 8.4 mm ceramic tube, silver-plated brass end caps, optional axial leads |
| Operating temperature | -55 C to +125 C with derating |
| Agency / environmental | cURus recognition file E19180, guide JDYX2 / JDYX8; electrical performance to EN 60079-11 for intrinsically safe applications; RoHS compliant |
Selection Notes
- Interrupting capability is 4000 A @ 250 Vac/dc — confirm the circuit's prospective fault current stays below this.
- Ceramic body holds higher breaking capacity than glass at the same footprint.
- It is the usual choice where prospective fault current is high.
- Working voltage must stay at or below 250 Vac / 250 Vdc; a lower-rated part is not a safe substitute.
- Do not upsize beyond 80 mA to stop nuisance trips — fix the cause instead.
Typical Applications
Engineers usually specify it for these duties:
- transformer
Part Number and Packing
Order code C308F80mA from Eaton, supplied in 3 x 8.4 mm ceramic tube, silver-plated brass end caps, optional axial leads. Confirm the exact suffix before release.
Q&A
What are the ratings of the C308F80mA?
80 mA continuous at 250 Vac / 250 Vdc, interrupting rating 4000 A @ 250 Vac/dc.
Can the C308F80mA be used on a higher fault-current circuit?
No — its interrupting rating is 4000 A @ 250 Vac/dc. Choose a part whose breaking capacity exceeds the prospective fault current.
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