# RXEF135K-2 Littelfuse Inc. | Circuit Protection | DigiKey

**Manufacturer:** Littelfuse Inc  
**Brand:** Littelfuse Inc.  
**MPN:** `RXEF135K-2`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Littelfuse Inc. |
| Manufacturer name | Littelfuse Inc. |
| Manufacturer | Littelfuse Inc. |
| DimensionUnit | inch |
| Extra Product Name | RXEF135K-2 Littelfuse Inc. \| Circuit Protection \| DigiKey |
| atoms | 1 |
| extraShipping | 0 |
| height | 0.78 |
| height_Attrib | Height - Seated (Max) |
| moq | 1,500 |
| MPN | RXEF135K-2 |
| multiple | 1,500 |
| qtyInStock | 7 |
| SKU | 5015979 |
| snippet | Polymeric PTC Resettable Fuse 72V 1.35 A Ih Through Hole Radial, Disc |
| tierMinQty1 | 1 |
| tierMinQty10 | 250 |
| tierMinQty2 | 5 |
| tierMinQty3 | 10 |
| tierMinQty4 | 50 |
| tierMinQty5 | 100 |
| tierMinQty6 | 250 |
| tierMinQty7 | 500 |
| tierMinQty9 | 100 |
| tierPrice1 | 0.6669999999999999 |
| tierPrice10 | 0.34500 |
| tierPrice2 | 0.644 |
| tierPrice3 | 0.62445 |
| tierPrice4 | 0.5257799999999999 |
| tierPrice5 | 0.43642499999999995 |
| tierPrice6 | 0.39674999999999994 |
| tierPrice7 | 0.337249 |
| tierPrice9 | 0.37950 |
| 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) | 1.35 A |
| Current - Trip (It) | 2.7 A |
| Time to Trip | 9.6 s |
| Resistance - Initial (Ri) (Min) | 120 mOhms |
| Resistance - Post Trip (R1) (Max) | 300 mOhms |
| Operating Temperature | -40?C ~ 85?C |
| Ratings | - |
| Mounting Type | Through Hole |
| Package / Case | Radial, Disc |
| Height - Seated (Max) | 0.780" (19.80mm) |
| 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 | 5015979 | 0.667 | 1 | 7 | 1500 |
| Future Electronics | C010663462 | 0.24 | 1 | None | 1500 |
| Digi-Key | 5268631 | 0.667 | 1 | 7 | 1 |
| Verical | RXEF135K-2 | 0.304 | 1 | 1450 | 32 |
| Mouser | 650-RXEF135K-2 | 0.55 | 1 | 384 | 1 |

---
Structured data: `/python/html6/product/500/43000000/43133000/part_--RXEF135K2---LittelfuseInc--a76ec47f29.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp