Alternatives to Littelfuse 218010
Littelfuse 218010 and its qualified second sources, compared on form/fit/function, stock, lifecycle and price — the same checks Parter runs inside a BOM.
 218010Littelfuse | 0218010.MXPLittelfuse Inc. |  BK/S506-10-REaton - Electronics Division | +1more | |
|---|---|---|---|---|
| FFF Compatibility | Fits the exact same standard 5x20mm fuse holders and clips without modifications.Identical physical dimensions of 5.2mm diameter and 20mm length with a glass body.Identical 10A rating, 250VAC voltage rating, slow-blow (time-delay) characteristic, and 100A breaking capacity. | Fits standard 5x20mm cartridge fuse holders.Identical 5.2mm x 20mm physical dimensions with standard silver-plated endcaps.Provides identical 10A overcurrent protection, 250VAC safety limit, and slow-blow response times. | ||
 AI Summary | 218010 by Littelfuse: 10 A 250 V Fuse Cartridge, Glass Requires Holder 5mm x 20mm. | The 0218010.MXP is the official direct, RoHS-compliant replacement from Littelfuse for the obsolete 218010 fuse. It shares the identical form factor, 10A electrical rating, and time-delay characteristics, making it a perfect drop-in replacement.
| The Eaton S506 series is a highly compatible second-source alternative matching all electrical safety ratings, response time characteristics, and exact physical dimensions of the original part. It is an active and widely available product line.
| |
| Lifecycle Status | Obsolete | Active | Active | |
| Market Availability | In stock | In stock | In stock | |
| REACH | REACH | REACH | REACH | |
| RoHS | RoHS | RoHS | RoHS | |
| Description | 10 A 250 V Fuse Cartridge, Glass Requires Holder 5mm x 20mm | 10 A 250 V Fuse Cartridge, Glass Requires Holder 5mm x 20mm | 10 A 250 V Fuse Cartridge, Glass Requires Holder 5mm x 20mm | |
| Manufacturer | Littelfuse | Littelfuse Inc. | Eaton - Electronics Division | |
| Type | Fuses | Fuses | Fuses | |
| Datasheet | Open | Open | Open | |
| Lead Time | 16 weeks | 19 weeks | 13 weeks | |
| Country of Origin | CN | - | - | |
| Export Control Class Number | EAR99 | EAR99 | EAR99 | |
| HTSUS Code | 8536.10.0020 | - | - | |
| Moisture Sensitivity Level | Not Applicable | - | - | |
| Fuse Type | Cartridge, Glass | - | - | |
| Melting I²t | 583.0 | - | - | |
| Mounting Type | Requires Holder | - | - | |
| Response Time | Slow Blow | - | - | |
| Package / Case | 5mm x 20mm | - | - | |
| Approval Agency | CSA, UL | - | - | |
| Size / Dimension | 0.205" Dia x 0.787" L (5.20mm x 20.00mm) | - | - | |
| Voltage Rating - AC | 250 V | - | - |
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Frequently asked questions
Yes. The Littelfuse 218010 is marked obsolete, so the manufacturer has discontinued it and any remaining supply is limited to distributor stock. The qualified second sources on this page are active parts you can design in today.
The closest qualified second sources for the Littelfuse 218010 are the 0218010.MXP (Littelfuse Inc.) and the BK/S506-10-R (Eaton - Electronics Division), out of 3 matched alternatives in total. Each is compared against the original on fit, form and function in the table above.
Not always. The alternatives to the 218010 are matched on function but can differ in package, pinout or a key parameter, so review the fit/form/function notes in the table and the datasheet before designing one in.
The 218010 (Littelfuse) is a part in the Fuses category. This page lists qualified, cross-referenced replacements for it with a side-by-side comparison.
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