# RXEF300-2 Littelfuse Inc. | Circuit Protection | DigiKey

**Manufacturer:** Littelfuse Inc  
**Brand:** Littelfuse Inc.  
**MPN:** `RXEF300-2`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Littelfuse Inc. |
| Manufacturer name | Littelfuse Inc. |
| Manufacturer | Littelfuse Inc. |
| DimensionUnit | inch |
| Extra Product Name | RXEF300-2 Littelfuse Inc. \| Circuit Protection \| DigiKey |
| atoms | 1 |
| extraShipping | 0 |
| height | 1.126 |
| height_Attrib | Height - Seated (Max) |
| moq | 1,000 |
| MPN | RXEF300-2 |
| multiple | 1,000 |
| qtyInStock | 0 |
| SKU | 5016008 |
| snippet | Polymeric PTC Resettable Fuse 72V 3 A Ih Through Hole Radial, Disc |
| tierMinQty1 | 1 |
| tierMinQty10 | 100 |
| tierMinQty2 | 5 |
| tierMinQty3 | 10 |
| tierMinQty4 | 50 |
| tierMinQty5 | 100 |
| tierMinQty6 | 250 |
| tierMinQty7 | 500 |
| tierMinQty9 | 50 |
| tierPrice1 | 1.012 |
| tierPrice10 | 0.54920 |
| tierPrice2 | 0.9797999999999999 |
| tierPrice3 | 0.9154 |
| tierPrice4 | 0.75785 |
| tierPrice5 | 0.63158 |
| tierPrice6 | 0.615848 |
| tierPrice7 | 0.521088 |
| tierPrice9 | 0.65900 |
| Category | Circuit Protection |
| Mfr | Littelfuse Inc. |
| Series | PolySwitch?, RXEF |
| Package | Tape & Reel (TR) |
| Product Status | Active |
| Type | Polymeric |
| Voltage - Max | 72V |
| Current - Max | 40 A |
| Current - Hold (Ih) (Max) | 3 A |
| Current - Trip (It) | 6 A |
| Time to Trip | 19.8 s |
| Resistance - Initial (Ri) (Min) | 40 mOhms |
| Resistance - Post Trip (R1) (Max) | 100 mOhms |
| Operating Temperature | -40?C ~ 85?C |
| Ratings | - |
| Mounting Type | Through Hole |
| Package / Case | Radial, Disc |
| Size / Dimension | 0.941" Dia x 0.118" T (23.90mm x 3.00mm) |
| Height - Seated (Max) | 1.126" (28.60mm) |
| Thickness (Max) | - |
| Lead Spacing | 0.400" (10.15mm) |
| Approval Agency | CQC, CSA, TUV, UL |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Digi-Key | 5016008 | 1.012 | 1 | None | 1000 |
| Newark | 34AC5320 | 0.471 | 1 | None | 1000 |
| Newark | 04H8135 | 0.31 | 1 | None | 5000 |
| Win Source | RXEF300-2 | 0.68 | 1 | 1100 | 50 |
| iodParts | RXEF300-2 | 0.355 | 1 | 17000 | 1000 |
| Digi-Key | 5131420 | 0.9315 | 1 | None | 1000 |
| Future Electronics | 5319702 |  |  | None | 5000 |
| Newark | 34AK1015 | 0.32 | 1 | 886 | 1 |

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Structured data: `/python/html6/product/500/152000000/152392500/part_--RXEF3002---LittelfuseInc--49a01644eb.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp