| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
|---|---|---|---|---|---|---|---|---|---|
|
67 pcs
|
67 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request |
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The RKEF250 is a polymeric PTC resettable fuse from Littelfuse Inc. designed for overcurrent protection in electronic circuits. It is rated for a maximum voltage of 60V and a hold current of 2.5A, with a low initial resistance of 140 milliohms. The device has a typical time to trip of 15.6 seconds at rated conditions.
This fuse is suitable for applications requiring resettable protection, such as power supplies, battery chargers, and automotive electronics. The polymeric PTC material provides fast response to overcurrent events and automatically resets after the fault is cleared.
The RKEF250 comes in a through hole radial package with disc-shaped body. It measures 13.00mm in length, 3.81mm in width, and 18.80mm in height, with a lead spacing of 5.08mm. The operating temperature range is -40°C to 85°C, making it suitable for a wide variety of environments.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.64 | $0.64 |
| 10+ | $0.59 | $0.59 |
| 50+ | $0.49 | $0.49 |
| 100+ | $0.45 | $0.45 |
| 250+ | $0.41 | $0.41 |
| 500+ | $0.37 | $0.37 |
| 1,000+ | $0.35 | $0.35 |
| 5,000+ | $0.29 | $0.29 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The rated current is 2.5A.
The voltage rating is 60V.
The time to trip is 15.6 seconds.
The package is Radial, Disc.
The initial resistance is 140 milliohms.
The operating temperature range is -40°C to 85°C.
The mounting type is Through Hole.