RXEF250-2 Circuit Protection |
|
| Allicdata Part #: | RXEF250-2HFTR-ND |
| Manufacturer Part#: |
RXEF250-2 |
| Price: | $ 0.22 |
| Product Category: | Circuit Protection |
| Manufacturer: | Littelfuse Inc. |
| Short Description: | PTC RESET FUSE 72V 2.5A RADIAL |
| More Detail: | Polymeric PTC Resettable Fuse 72V 2.5A Ih Through ... |
| DataSheet: |  RXEF250-2 Datasheet/PDF |
| Quantity: | 1000 |
| Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
| Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
| 1000 +: | $ 0.20318 |
| 2000 +: | $ 0.18963 |
| 3000 +: | $ 0.18625 |
| 5000 +: | $ 0.18286 |
| 10000 +: | $ 0.17609 |
Specifications
| Resistance - Initial (Ri) (Min): | 50 mOhms |
| Approvals: | CQC, CSA, TUV, UL |
| Lead Spacing: | 0.400" (10.15mm) |
| Thickness (Max): | -- |
| Height - Seated (Max): | 1.000" (25.40mm) |
| Size / Dimension: | 0.819" Dia x 0.118" W (20.80mm x 3.00mm) |
| Package / Case: | Radial, Disc |
| Mounting Type: | Through Hole |
| Ratings: | -- |
| Operating Temperature: | -40°C ~ 85°C |
| Resistance - Post Trip (R1) (Max): | 130 mOhms |
| Series: | PolySwitch®, RXEF |
| Time to Trip: | 15.6s |
| Current - Trip (It): | 5A |
| Current - Hold (Ih) (Max): | 2.5A |
| Current - Max: | 40A |
| Voltage - Max: | 72V |
| Type: | Polymeric |
| Moisture Sensitivity Level (MSL): | -- |
| Part Status: | Active |
| Lead Free Status / RoHS Status: | -- |
| Packaging: | Tape & Reel (TR) |
Description
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PTC (positive temperature coefficient) resettable fuses, also known as polymeric fuses, are self-resetting fuses used for over current protection. The RXEF250-2 is one of the most common PTC resettable fuses available. It is a two-pole, surface mount fuse which is widely used in the field of consumer electronic, home appliances, and automotive applications.
Application Field
The RXEF250-2 is used in devices such as smart phones, tablets, TVs, computers, and other consumer electronic devices where reliable and fast protection is necessary. It can also be used in industrial applications, such as solar PV, LED, and automotive applications. The RXEF250-2 has a current rating of 250 A and can handle up to 10 A inrush current. The maximum operating temperature range is between -55°C and +125°C. In addition, the RXEF250-2 is UL 248-14 listed and is RoHS compliant, which makes it suitable for use in high-temperature and temperature sensitive applications.Working Principle
PTC resettable fuses work on the principle of self-resetting or “thermal runaway”. When the current flowing through the PTC resettable fuse exceeds the rated value, the temperature increases.The polymeric material in the fuse then melts and opens the circuit, protecting the device from over-current situations. Once the current reduces, the material then cools off, allowing the PTC resettable fuse to reset itself and restore the circuit. This makes them a great choice for applications that require reliable and fast protection.Conclusion
The RXEF250-2 is an ideal choice for applications requiring reliable and fast protection. It is a great choice for consumer electronic devices, home appliances, and automotive applications due to its UL recognized and RoHS compliant design. In addition, its self-resetting feature allows for faster, easier, and more reliable protection of circuits.The specific data is subject to PDF, and the above content is for reference
Related Products
Search Part number : "RXEF" Included word is 40
| Part Number | Manufacturer | Price | Quantity | Description |
|---|
| RXEF090 | Littelfuse I... | 0.33 $ | 22846 | PTC RESET FUSE 72V 900MA ... |
| RXEF065-2 | Littelfuse I... | 0.13 $ | 1000 | PTC RESET FUSE 72V 650MA ... |
| RXEF135 | Littelfuse I... | 0.34 $ | 5293 | PTC RESET FUSE 72V 1.35A ... |
| RXEF025-1 | Littelfuse I... | 0.0 $ | 1000 | PTC RESET FUSE 72V 250MA ... |
| RXEF075-2 | Littelfuse I... | 0.14 $ | 1000 | PTC RESET FUSE 72V 750MA ... |
| RXEF040 | Littelfuse I... | -- | 52055 | PTC RESET FUSE 72V 400MA ... |
| RXEF005 | Littelfuse I... | 0.27 $ | 500 | PTC RESET FUSE 60V 50MA R... |
| RXEF025-AP | Littelfuse I... | 0.12 $ | 1000 | PTC RESET FUSE 72V 250MA ... |
| RXEF250-1 | Littelfuse I... | 0.0 $ | 1000 | PTC RESET FUSE 72V 2.5A R... |
| RXEF160 | Littelfuse I... | -- | 1329 | PTC RESET FUSE 72V 1.6A R... |
| RXEF375K | Littelfuse I... | 0.62 $ | 1526 | PTC RESET FUSE 72V 3.75A ... |
| RXEF017-0.142 | Littelfuse I... | 0.13 $ | 1000 | PTC RESET FUSE 60V 170MA ... |
| RXEF160K | Littelfuse I... | 0.36 $ | 7814 | PTC RESET FUSE 72V 1.6A R... |
| RXEF135-1 | Littelfuse I... | 0.35 $ | 500 | PTC RESET FUSE 72V 1.35A ... |
| RXEF185-AP | Littelfuse I... | 0.18 $ | 1000 | PTC RESET FUSE 72V 1.85A ... |
| RXEF017 | Littelfuse I... | 0.0 $ | 1000 | PTC RESET FUSE 60V 170MA ... |
| RXEF135-2 | Littelfuse I... | 0.15 $ | 1000 | PTC RESET FUSE 72V 1.35A ... |
| RXEF250-2 | Littelfuse I... | 0.22 $ | 1000 | PTC RESET FUSE 72V 2.5A R... |
| RXEF065S | Littelfuse I... | 0.3 $ | 889 | PTC RESET FUSE 72V 650MA ... |
| RXEF030 | Littelfuse I... | 0.12 $ | 1000 | PTC RESET FUSE 72V 300MA ... |
| RXEF110K-AP | Littelfuse I... | 0.15 $ | 9000 | PTC RESET FUSE 72V 1.1A R... |
| RXEF020-AP | Littelfuse I... | 0.12 $ | 1000 | PTC RESET FUSE 72V 200MA ... |
| RXEF135K | Littelfuse I... | 0.34 $ | 355 | PTC RESET FUSE 72V 1.35A ... |
| RXEF020S | Littelfuse I... | 0.26 $ | 2249 | PTC RESET FUSE 72V 200MA ... |
| RXEF030S-2 | Littelfuse I... | 0.12 $ | 1000 | PTC RESET FUSE 72V 300MA ... |
| RXEF040-AP | Littelfuse I... | 0.13 $ | 1000 | PTC RESET FUSE 72V 400MA ... |
| RXEF017-2 | Littelfuse I... | 0.12 $ | 10000 | PTC RESET FUSE 60V 170MA ... |
| RXEF030S | Littelfuse I... | 0.27 $ | 383 | PTC RESET FUSE 72V 300MA ... |
| RXEF110-AP | Littelfuse I... | 0.15 $ | 1000 | PTC RESET FUSE 72V 1.1A R... |
| RXEF090S | Littelfuse I... | 0.33 $ | 1000 | PTC RESET FUSE 72V 900MA ... |
| RXEF300K | Littelfuse I... | 0.54 $ | 777 | PTC RESET FUSE 72V 3A RAD... |
| RXEF185K | Littelfuse I... | -- | 968 | PTC RESET FUSE 72V 1.85A ... |
| RXEF010-2 | Littelfuse I... | -- | 6000 | PTC RESET FUSE 60V 100MA ... |
| RXEF375-0.476 | Littelfuse I... | 0.0 $ | 1000 | PTC RESET FUSE 72V 3.75A ... |
| RXEF250K-2 | Littelfuse I... | 0.25 $ | 1000 | RXEF250K-2 |
| RXEF017S-2 | Littelfuse I... | 0.0 $ | 1000 | PTC RESET FUSE 60V 170MA ... |
| RXEF375K-0.144 | Littelfuse I... | 0.0 $ | 1000 | PTC RESET FUSE 72V 3.75A ... |
| RXEF040S-2 | Littelfuse I... | 0.13 $ | 1000 | PTC RESET FUSE 72V 400MA ... |
| RXEF050S-AP | Littelfuse I... | 0.13 $ | 2000 | PTC RESET FUSE 72V 500MA ... |
| RXEF010-1 | Littelfuse I... | 0.28 $ | 486 | PTC RESET FUSE 60V 100MA ... |
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