SMD030F-2018-2 Circuit Protection |
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Allicdata Part #: | SMD030F-2018-2TR-ND |
Manufacturer Part#: |
SMD030F-2018-2 |
Price: | $ 0.00 |
Product Category: | Circuit Protection |
Manufacturer: | Littelfuse Inc. |
Short Description: | PTC RESET FUSE 60V 300MA 2SMD |
More Detail: | Polymeric PTC Resettable Fuse 60V 300mA Ih Surface... |
DataSheet: | SMD030F-2018-2 Datasheet/PDF |
Quantity: | 28000 |
Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
Moisture Sensitivity Level (MSL): | 2A (4 Weeks) |
Series: | PolySwitch®, SMD |
Packaging: | Tape & Reel (TR) |
Lead Free Status / RoHS Status: | -- |
Part Status: | Active |
Moisture Sensitivity Level (MSL): | -- |
Type: | Polymeric |
Voltage - Max: | 60V |
Current - Max: | 20A |
Current - Hold (Ih) (Max): | 300mA |
Current - Trip (It): | 800mA |
Time to Trip: | 1.5s |
Resistance - Initial (Ri) (Min): | 500 mOhms |
Resistance - Post Trip (R1) (Max): | 2.3 Ohms |
Operating Temperature: | -40°C ~ 85°C |
Ratings: | -- |
Mounting Type: | Surface Mount |
Package / Case: | 2-SMD |
Size / Dimension: | 0.200" L x 0.180" W (5.08mm x 4.58mm) |
Height - Seated (Max): | -- |
Thickness (Max): | 0.070" (1.78mm) |
Lead Spacing: | -- |
Approvals: | CSA, TUV, UL |
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PTC Resettable Fuses are one of the key components used in modern electrical and electronic products due to their unique ability to reset themselves after they have been opened due to a high voltage or current condition. One of the most commonly used types of these components is the SMD030F-2018-2 Resettable Fuse. This type of fuse is designed to be used in a variety of applications and is also commonly referred to as a ‘self-activating fuse’ as it is able to automatically reset itself when the overload is removed and the circuit returns to normal.
Application Field
These fuses are generally used in low power applications, such as cell phone or laptop chargers and adapters, USB ports, chargers and adapters, computer power supplies, and other devices such as ovens and refrigerators. The SMD030F-2018-2 is designed to be used in printed circuit boards with through-hole mounting holes and/or soldering pads.
The SMD030F-2018-2 can also be used as part of the power input protection for many industries, such as computers, consumer electronics, and medical devices. The component is also highly suitable for use on high-current power and motor control circuits, as well as high voltage motor controllers. The SMD030F-2018-2 is ideal for applications that require either manual resetting or automatic resetting of their overcurrent protection device.
Working Principle
The working principle of the SMD030F-2018-2 is simple yet effective. When the applied voltage exceeds a predetermined level, the fuse will open up the circuit and prevent current from flowing. This is typically done by using an insulated conducting strip, mounted with a temperature sensitive switch. When the electric current passes through the element and the temperature rises, the switch acts as a shut-off, breaking the connection.
Once the fault has been removed, the temperature will drop, and the SMD030F-2018-2 will reset itself and the connection will be restored. This type of resettable fuse offers a number of advantages over standard fuses, including a greater number of operations before it needs to be replaced, as well as a much faster response time.
In order to ensure optimal performance, it is important to ensure that the ratings of the SMD030F-2018-2 are correct. The rated voltage and current should be appropriate in order to ensure the fuse does not open up in normal conditions. In addition, the fuse should be mounted correctly on the printed circuit board in order to ensure proper operation.
Conclusion
In conclusion, SMD030F-2018-2 PTC Resettable Fuses are a useful and highly reliable electronic component, capable of protecting circuits from damaging overcurrent surges. Its working principle is based on using an insulated conducting strip mounted with a temperature-sensitive switch. This component is suitable for use in a wide range of applications and industries, including those of computer, consumer electronics and medical devices.
For optimal performance, the voltage and current ratings of the SMD030F-2018-2 should be appropriate, and the fuse should be mounted correctly on the printed circuit board. In addition, it is important to consider the environment in which the fuse will be used, as the performance of the device may be affected. If you have any further questions, please contact our experts for advice on the best solution for your needs.
The specific data is subject to PDF, and the above content is for reference
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