# RXEF040-2 Littelfuse Inc. | Circuit Protection | DigiKey

**Manufacturer:** Littelfuse Inc  
**Brand:** Littelfuse Inc.  
**MPN:** `RXEF040-2`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Littelfuse Inc. |
| Manufacturer name | Littelfuse Inc. |
| Manufacturer | Littelfuse Inc. |
| DimensionUnit | inch |
| Extra Product Name | RXEF040-2 Littelfuse Inc. \| Circuit Protection \| DigiKey |
| atoms | 1 |
| extraShipping | 0 |
| height | 0.532 |
| height_Attrib | Height - Seated (Max) |
| moq | 1 |
| MPN | RXEF040-2 |
| multiple | 1 |
| packaging | Cut Tape (CT) |
| qtyInStock | 11841 |
| SKU | 5268623 |
| snippet | Polymeric PTC Resettable Fuse 72V 400 mA Ih Through Hole Radial, Disc |
| tariff | 1.15 |
| tierMinQty1 | 1 |
| tierMinQty10 | 6,000 |
| tierMinQty2 | 5 |
| tierMinQty3 | 10 |
| tierMinQty4 | 50 |
| tierMinQty5 | 100 |
| tierMinQty6 | 250 |
| tierMinQty7 | 500 |
| tierMinQty8 | 1,000 |
| tierMinQty9 | 3,000 |
| tierPrice1 | 0.5864999999999999 |
| tierPrice10 | 0.20384 |
| tierPrice2 | 0.5635 |
| tierPrice3 | 0.5473999999999999 |
| tierPrice4 | 0.46023 |
| tierPrice5 | 0.38203 |
| tierPrice6 | 0.34729999999999994 |
| tierPrice7 | 0.29520499999999994 |
| tierPrice8 | 0.26046349999999996 |
| tierPrice9 | 0.20762 |
| 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) | 400 mA |
| Current - Trip (It) | 800 mA |
| Time to Trip | 3.8 s |
| Resistance - Initial (Ri) (Min) | 550 mOhms |
| Resistance - Post Trip (R1) (Max) | 1.29 Ohms |
| Operating Temperature | -40?C ~ 85?C |
| Ratings | - |
| Mounting Type | Through Hole |
| Package / Case | Radial, Disc |
| Size / Dimension | 0.299" Dia x 0.118" T (7.60mm x 3.00mm) |
| Height - Seated (Max) | 0.532" (13.50mm) |
| Thickness (Max) | - |
| Lead Spacing | 0.199" (5.05mm) |
| Approval Agency | CQC, CSA, TUV, UL |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Digi-Key | 5268623 | 0.5865 | 1 | 11841 | 1 |
| Newark | 76T4566 | 0.274 | 1 | None | 3000 |
| Newark | 04H8117 |  |  | None | 15000 |
| Win Source | RXEF040-2 |  |  | 1655 | 1 |
| Fuses Unlimited | RF2634-000 | 0.332 | 1 | 3000 | 1 |
| iodParts | RXEF040-2 | 0.166 | 1 | 3000 | 3000 |
| AmazonTP | B07L88M5LY | 5.99 | 1 | None | 1 |
| Allied Electronics | 72244689 |  |  | None | 1 |
| Mouser | 650-RXEF040-2 | 0.49 | 1 | 177 | 1 |
| Verical | RXEF040-2 | 0.257 | 1 | 198 | 37 |
| TTI | RXEF040-2 | 0.217 | 1 | None | 1 |
| Newark | 05AC9457 | 0.189 | 1 | 5267 | 5 |
| us.rs-online.com | 72244689 | 0.44116 | 1 | None | 3000 |
| Digi-Key | 5015938 | 0.612 | 1 | 7696 | 1 |

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