| Allicdata Part #: | MF-RX250-2-ND |
| Manufacturer Part#: |
MF-RX250-2 |
| Price: | $ 0.25 |
| Product Category: | Circuit Protection |
| Manufacturer: | Bourns Inc. |
| Short Description: | PTC RESET FUSE 60V 2.5A RADIAL |
| More Detail: | Polymeric PTC Resettable Fuse 60V 2.5A Ih Through ... |
| DataSheet: |  MF-RX250-2 Datasheet/PDF |
| Quantity: | 1000 |
| Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
| Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
| 3000 +: | $ 0.22113 |
| Resistance - Initial (Ri) (Min): | 50 mOhms |
| Approvals: | cURus, TUV |
| Lead Spacing: | 0.402" (10.20mm) |
| Thickness (Max): | -- |
| Height - Seated (Max): | 1.039" (26.40mm) |
| Size / Dimension: | 0.839" L x 0.122" W (21.30mm x 3.10mm) |
| Package / Case: | Radial, Disc |
| Mounting Type: | Through Hole |
| Ratings: | -- |
| Operating Temperature: | -40°C ~ 85°C |
| Resistance - Post Trip (R1) (Max): | 130 mOhms |
| Series: | Multifuse®, MF-RX |
| Time to Trip: | 15.6s |
| Current - Trip (It): | 5A |
| Current - Hold (Ih) (Max): | 2.5A |
| Current - Max: | 40A |
| Voltage - Max: | 60V |
| Type: | Polymeric |
| Moisture Sensitivity Level (MSL): | -- |
| Part Status: | Active |
| Lead Free Status / RoHS Status: | -- |
| Packaging: | Tape & Reel (TR) |
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PTC Resettable Fuses are designed to protect a device by breaking an electrical circuit when a certain level of current is exceeded. The MF-RX250-2 fuse is a type of resettable fuse which is widely used in a variety of applications for over-current protection. This article explains the application fields and working principle of the MF-RX250-2 fuse.
Application Fields
The MF-RX250-2 resettable fuse acts as an over-current protector for a wide range of devices and applications. It is commonly found in portable electronic devices such as cellphones, laptop chargers, power supplies, etc. It is also used in industrial equipment, home appliances, and various other digital and electronic products, protecting the circuit from over-current related issues.
Working Principle
The MF-RX250-2 Resettable Fuse operates on the principle of positive temperature correlation (PTC). The fuse contains a special element of PTC, which is designed to heat up quickly when exposed to electric current. When the current exceeds the rated value, the element will heat up rapidly, increasing its resistance and causing the fuse to open. This interrupts the circuit, thus protecting the device from any damage due to excessive current.
When the current returns to the rated value, the element will cool down, resetting the fuse automatically. This resettable feature of the MF-RX250-2 allows it to be used multiple times without the need to replace it. The PTC element also ensures that the fuse operates within safe limits, making it optimal for many applications.
In conclusion, the MF-RX250-2 Resettable Fuse is a reliable and effective device for over-current protection in a variety of applications. Its resettable design and PTC element provide superior safety and protection to the circuit, making it suitable for use in a wide range of electronic devices.
The specific data is subject to PDF, and the above content is for reference
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