SMD250F-2 Circuit Protection |
|
| Allicdata Part #: | SMD250F-2TR-ND |
| Manufacturer Part#: |
SMD250F-2 |
| Price: | $ 0.18 |
| Product Category: | Circuit Protection |
| Manufacturer: | Littelfuse Inc. |
| Short Description: | PTC RESET FUSE 15V 2.5A 2SMD |
| More Detail: | Polymeric PTC Resettable Fuse 15V 2.5A Ih Surface ... |
| DataSheet: |  SMD250F-2 Datasheet/PDF |
| Quantity: | 18000 |
| Moisture Sensitivity Level (MSL): | 2A (4 Weeks) |
| Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
| 1500 +: | $ 0.16534 |
| 3000 +: | $ 0.15679 |
| 7500 +: | $ 0.15394 |
| 10500 +: | $ 0.14824 |
Specifications
| Resistance - Initial (Ri) (Min): | 35 mOhms |
| Approvals: | CSA, TUV, UL |
| Lead Spacing: | -- |
| Thickness (Max): | 0.118" (3.00mm) |
| Height - Seated (Max): | -- |
| Size / Dimension: | 0.343" L x 0.250" W (8.70mm x 6.36mm) |
| Package / Case: | 2-SMD |
| Mounting Type: | Surface Mount |
| Ratings: | -- |
| Operating Temperature: | -40°C ~ 85°C |
| Resistance - Post Trip (R1) (Max): | 85 mOhms |
| Series: | PolySwitch®, SMD |
| Time to Trip: | 25s |
| Current - Trip (It): | 5A |
| Current - Hold (Ih) (Max): | 2.5A |
| Current - Max: | 40A |
| Voltage - Max: | 15V |
| Type: | Polymeric |
| Moisture Sensitivity Level (MSL): | -- |
| Part Status: | Active |
| Lead Free Status / RoHS Status: | -- |
| Packaging: | Tape & Reel (TR) |
Description
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PTC resettable fuses are devices characterized by their ability to automatically reset after a period of time following a specific electrical event. SMD250F-2 is a PTC resettable fuse specifically designed for use in high-temperature, low-current applications. This product is a high-efficiency and cost-effective solution for providing both a protective function and a resetable feature in such high-temperature, low-current applications.The SMD250F-2 was designed to protect against overvoltage and over-current conditions across the full range of its operating temperature range. It also provides a resetable feature in the event of a short circuit or excessive current drain. This resetable function can be used to automatically reset the device when a predetermined level of from 1-10 mA is reached and automatically reset when the current flow returns to normal. The reset time is typically less than one second.The SMD250F-2 features an optimized design that includes a low ohmic value (typically 2.5 mA) and a low dynamic resistance. This design provides fast response to overcurrent conditions and helps protect the system from damage. Additionally, the SMD250F-2 is designed with a rated operating temperature range of -40 to +125°C, making it an ideal solution for use in high-temperature, low-current applications such as automotive, industrial, and medical equipment.The SMD250F-2 PTC resettable fuse also features a self-resetting timer that prevents it from resetting itself too often. This timer helps reset the fuse within a reasonable amount of time and ensures that an overcurrent event does not continuously cause a reset event. Furthermore, the SMD250F-2 provides surge protection up to 2-1000V peaks, 4600W-2000A protected currents, and operating life expectancy up to 3000 cycles.In summary, the SMD250F-2 is an ideal product for use in high-temperature, low-current applications due to its high-efficiency, cost-effectiveness, fast response time, and surge protection capabilities. It features an optimized design with a low dynamic resistance and a rated operating temperature range of -40 to +125°C. Additionally, the SMD250F-2 is an excellent choice for providing a protective function and a resetable feature for a wide variety of devices and systems.
The specific data is subject to PDF, and the above content is for reference
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