Allicdata Part #: | RUEF300KHF-ND |
Manufacturer Part#: |
RUEF300K |
Price: | $ 0.35 |
Product Category: | Circuit Protection |
Manufacturer: | Littelfuse Inc. |
Short Description: | PTC RESET FUSE 30V 3A RADIAL |
More Detail: | Polymeric PTC Resettable Fuse 30V 3A Ih Through Ho... |
DataSheet: | RUEF300K Datasheet/PDF |
Quantity: | 5456 |
Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
1 +: | $ 0.31500 |
5 +: | $ 0.30492 |
10 +: | $ 0.29547 |
50 +: | $ 0.24872 |
100 +: | $ 0.20651 |
250 +: | $ 0.18774 |
500 +: | $ 0.15958 |
1000 +: | $ 0.14081 |
5000 +: | $ 0.12672 |
Voltage - Max: | 30V |
Current - Max: | 100A |
Current - Hold (Ih) (Max): | 3A |
Current - Trip (It): | 6A |
Time to Trip: | 10.8s |
Resistance - Initial (Ri) (Min): | 20 mOhms |
Resistance - Post Trip (R1) (Max): | 80 mOhms |
Operating Temperature: | -40°C ~ 85°C |
Ratings: | -- |
Mounting Type: | Through Hole |
Package / Case: | Radial, Disc |
Size / Dimension: | 0.449" L x 0.118" W (11.40mm x 3.00mm) |
Height - Seated (Max): | 0.710" (18.03mm) |
Thickness (Max): | -- |
Lead Spacing: | 0.199" (5.05mm) |
Approvals: | CQC, CSA, TUV, UL |
Series: | PolySwitch®, RUEF |
Packaging: | Bulk |
Lead Free Status / RoHS Status: | -- |
Part Status: | Active |
Moisture Sensitivity Level (MSL): | -- |
Type: | Polymeric |
Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us: sales@allicdata.com
PTC Resettable Fuses are self-resetting safety devices used to protect circuits and systems from overcurrent damage. The RUEF300K model of PTC resettable fuse is low-cost and reliable, making it a popular choice for system protection.
Applications
The RUEF300K is typically used in low-voltage, low-power, electronic applications. It is commonly used as an overcurrent protection device for AC-powered consumer electronics, such as computers, power strips, and portable electronics. In addition, it is suitable for automotive, lighting, communication, industrial, and many other applications.
Working Principle
The RUEF300K works by breaking the circuit when the current exceeds the current rating of the device. When the circuit is broken, the internal components are effectively isolated from the thermal energy generated by the overcurrent. This allows the fuse to cool and reset itself when the current is removed.
The RUEF300K has a rated current of 300 mA and a hi-temperature rating of 85°C. When the current increases beyond the rated current, the temperature of the device increases as well. This causes the device to progressively become more conductive as the temperature increases. Eventually, the temperature reaches a point where the device will trip, breaking the circuit.
Once the circuit is broken, the temperature of the device drops, allowing it to cool and slowly start to become less conductive. Once the device has cooled sufficiently, it will reset itself and allow the circuit to be re-energized.
Advantages
PTC Resettable Fuses such as the RUEF300K provide important benefits compared to traditional fuses. The RUEF300K has a fast response time, allowing it to quickly react to excessive current in the circuit. Additionally, it is low-profile and low-cost, making it ideal for space-constrained applications. Most importantly, it is self-resetting, eliminating the need to replace the fuse after each overcurrent event.
Conclusion
The RUEF300K is a low-cost and reliable PTC Resettable Fuse that is widely used for AC-powered consumer electronics and automotive applications. It is easy to install and offers a wide range of protection against overcurrent events. It has a fast response time, is self-resetting, and is low-profile, making it an ideal choice for many applications.
The specific data is subject to PDF, and the above content is for reference
Part Number | Manufacturer | Price | Quantity | Description |
---|
RUEF500 | Littelfuse I... | 0.43 $ | 1000 | PTC RESET FUSE 30V 5A RAD... |
RUEF090-1 | Littelfuse I... | 0.0 $ | 1000 | PTC RESET FUSE 30V 900MA ... |
RUEF090S | Littelfuse I... | 0.0 $ | 1000 | PTC RESET FUSE 30V 900MA ... |
RUEF110-1 | Littelfuse I... | 0.0 $ | 1000 | PTC RESET FUSE 30V 1.1A R... |
RUEF135-1 | Littelfuse I... | 0.0 $ | 1000 | PTC RESET FUSE 30V 1.35A ... |
RUEF160-1 | Littelfuse I... | 0.0 $ | 1000 | PTC RESET FUSE 30V 1.6A R... |
RUEF250-1 | Littelfuse I... | 0.0 $ | 1000 | PTC RESET FUSE 30V 2.5A R... |
RUEF900-1 | Littelfuse I... | 0.0 $ | 1000 | PTC RESET FUSE 30V 9A RAD... |
RUEF300-1 | Littelfuse I... | 0.0 $ | 1000 | PTC RESET FUSE 30V 3A RAD... |
RUEF400K-0.138 | Littelfuse I... | 0.0 $ | 1000 | PTC RESET FUSE 30V 4A RAD... |
RUEF500K-2 | Littelfuse I... | 0.22 $ | 1000 | PTC RESET FUSE 30V 5A RAD... |
RUEF700-2 | Littelfuse I... | 0.27 $ | 1000 | PTC RESET FUSE 30V 7A RAD... |
RUEF800K-2 | Littelfuse I... | 0.28 $ | 1000 | PTC RESET FUSE 30V 8A RAD... |
RUEF900-2 | Littelfuse I... | 0.32 $ | 1000 | PTC RESET FUSE 30V 9A RAD... |
RUEF185S | Littelfuse I... | 0.32 $ | 634 | PTC RESET FUSE 30V 1.85A ... |
RUEF250S | Littelfuse I... | 0.32 $ | 930 | PTC RESET FUSE 30V 2.5A R... |
RUEF800-1 | Littelfuse I... | 0.6 $ | 475 | PTC RESET FUSE 30V 8A RAD... |
RUEF135S | Littelfuse I... | 0.29 $ | 995 | PTC RESET FUSE 30V 1.35A ... |
RUEF110S | Littelfuse I... | 0.29 $ | 500 | PTC RESET FUSE 30V 1.1A R... |
RUEF090-AP | Littelfuse I... | 0.13 $ | 1000 | PTC RESET FUSE 30V 900MA ... |
RUEF185-AP | Littelfuse I... | 0.14 $ | 1000 | PTC RESET FUSE 30V 1.85A ... |
RUEF400K-AP | Littelfuse I... | 0.2 $ | 1000 | PTC RESET FUSE 30V 4A RAD... |
RUEF400K-2 | Littelfuse I... | 0.19 $ | 1000 | PTC RESET FUSE 30V 4A RAD... |
RUEF500K | Littelfuse I... | 0.5 $ | 566 | PTC RESET FUSE 30V 5A RAD... |
RUEF500K-AP | Littelfuse I... | 0.23 $ | 1000 | PTC RESET FUSE 30V 5A RAD... |
RUEF600-1 | Littelfuse I... | 0.57 $ | 708 | PTC RESET FUSE 30V 6A RAD... |
RUEF700K | Littelfuse I... | 0.57 $ | 250 | PTC RESET FUSE 30V 7A RAD... |
RUEF600K-AP | Littelfuse I... | 0.26 $ | 1000 | PTC RESET FUSE 30V 6A RAD... |
RUEF600-AP | Littelfuse I... | 0.26 $ | 1000 | PTC RESET FUSE 30V 6A RAD... |
RUEF600K-2 | Littelfuse I... | 0.26 $ | 1000 | PTC RESET FUSE 30V 6A RAD... |
RUEF600-2 | Littelfuse I... | 0.26 $ | 1000 | PTC RESET FUSE 30V 6A RAD... |
RUEF500-2 | Littelfuse I... | -- | 1000 | PTC RESET FUSE 30V 5A RAD... |
RUEF600K | Littelfuse I... | 0.55 $ | 100 | PTC RESET FUSE 30V 6A RAD... |
RUEF110-AP | Littelfuse I... | 0.13 $ | 1000 | PTC RESET FUSE 30V 1.1A R... |
RUEF300U-2 | Littelfuse I... | 0.15 $ | 1000 | PTC RESET FUSE 30V 3A RAD... |
RUEF160S | Littelfuse I... | 0.15 $ | 1000 | PTC RESET FUSE 30V 1.6A R... |
RUEF700K-2 | Littelfuse I... | 0.27 $ | 1000 | PTC RESET FUSE 30V 7A RAD... |
RUEF900K-0.144 | Littelfuse I... | 0.29 $ | 1000 | PTC RESET FUSE 30V 9A RAD... |
RUEF900K-2 | Littelfuse I... | 0.32 $ | 1000 | PTC RESET FUSE 30V 9A RAD... |
RUEF800K | Littelfuse I... | -- | 1000 | PTC RESET FUSE 30V 8A RAD... |
PTC RESET FUSE 265V 57MA RADIALCeramic P...
PTC RESET FUSE 16V 5A RADIALPolymeric PT...
PTC RESET FUSE 60V 170MA RADIALPolymeric...
PTC RESET FUSE 72V 650MA RADIALPolymeric...
PTC RESET FUSE 8V 1.5A 1812Polymeric PTC...
PTC RESET FUSE 9V 200MA 0603Polymeric PT...