# RXEF185K Littelfuse Inc. | Circuit Protection | DigiKey

**Manufacturer:** Littelfuse Inc  
**Brand:** Littelfuse Inc.  
**MPN:** `RXEF185K`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Littelfuse Inc. |
| Manufacturer name | Littelfuse Inc. |
| Manufacturer | Littelfuse Inc. |
| DimensionUnit | inch |
| Extra Product Name | RXEF185K Littelfuse Inc. \| Circuit Protection \| DigiKey |
| atoms | 1 |
| extraShipping | 0 |
| height | 0.906 |
| height_Attrib | Height - Seated (Max) |
| moq | 5,000 |
| MPN | RXEF185K |
| multiple | 5,000 |
| qtyInStock | 889 |
| SKU | 5015972 |
| tierMinQty1 | 1 |
| tierMinQty2 | 5 |
| tierMinQty3 | 10 |
| tierMinQty4 | 50 |
| tierMinQty5 | 100 |
| tierMinQty6 | 250 |
| tierMinQty7 | 500 |
| tierMinQty8 | 1,000 |
| tierMinQty9 | 5,000 |
| tierPrice1 | 0.713 |
| tierPrice2 | 0.6922999999999999 |
| tierPrice3 | 0.6704499999999999 |
| tierPrice4 | 0.5639599999999999 |
| tierPrice5 | 0.468165 |
| tierPrice6 | 0.42559199999999997 |
| tierPrice7 | 0.36174399999999995 |
| tierPrice8 | 0.3191825 |
| tierPrice9 | 0.24979 |
| Category | Circuit Protection |
| Mfr | Littelfuse Inc. |
| Series | PolySwitch?, RXEF |
| Package | Bag |
| Part Status | Active |
| Type | Polymeric |
| Voltage - Max | 72V |
| Current - Max | 40 A |
| Current - Hold (Ih) (Max) | 1.85 A |
| Current - Trip (It) | 3.7 A |
| Time to Trip | 12.6 s |
| Resistance - Initial (Ri) (Min) | 80 mOhms |
| Resistance - Post Trip (R1) (Max) | 190 mOhms |
| Operating Temperature | -40?C ~ 85?C |
| Ratings | - |
| Mounting Type | Through Hole |
| Package / Case | Radial, Disc |
| Size / Dimension | 0.660" Dia x 0.118" T (16.76mm x 3.00mm) |
| Height - Seated (Max) | 0.906" (23.00mm) |
| 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 | 5015972 | 0.713 | 1 | 889 | 5000 |
| Digi-Key | 6588927 | 0.7015 | 1 | 506 | 5000 |

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Structured data: `/python/html6/product/500/264500000/264521500/part_--RXEF185K---LittelfuseInc--5295e74847.json`  
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