MF-NSML175-2 Circuit Protection |
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| Allicdata Part #: | MF-NSML175-2TR-ND |
| Manufacturer Part#: |
MF-NSML175-2 |
| Price: | $ 0.25 |
| Product Category: | Circuit Protection |
| Manufacturer: | Bourns Inc. |
| Short Description: | PTC RESET FUSE 6V 1.75A 1206 |
| More Detail: | Polymeric PTC Resettable Fuse 6V 1.75A Ih Surface ... |
| DataSheet: |  MF-NSML175-2 Datasheet/PDF |
| Quantity: | 1000 |
| Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
| Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
| 5000 +: | $ 0.22113 |
| 10000 +: | $ 0.21263 |
| Resistance - Initial (Ri) (Min): | 5 mOhms |
| Approvals: | cURus, TUV |
| Lead Spacing: | -- |
| Thickness (Max): | 0.024" (0.60mm) |
| Height - Seated (Max): | -- |
| Size / Dimension: | 0.128" L x 0.063" W (3.25mm x 1.60mm) |
| Package / Case: | 1206 (3216 Metric), Concave |
| Mounting Type: | Surface Mount |
| Ratings: | -- |
| Operating Temperature: | -40°C ~ 85°C |
| Resistance - Post Trip (R1) (Max): | 30 mOhms |
| Series: | Multifuse®, MF-NSML |
| Time to Trip: | 500ms |
| Current - Trip (It): | 3.5A |
| Current - Hold (Ih) (Max): | 1.75A |
| Current - Max: | 50A |
| Voltage - Max: | 6V |
| Type: | Polymeric |
| Moisture Sensitivity Level (MSL): | -- |
| Part Status: | Active |
| Lead Free Status / RoHS Status: | -- |
| Packaging: | Tape & Reel (TR) |
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PTC (Positive Temperature Coefficient) Resettable Fuses, also known as PPTCs, are current-limiting fuses that can detect and interrupt an over-current situation. In the event of a power surge, the PTC fuse turns off power to the circuit in order to prevent damage to the power source. The MF-NSML175-2 is a particular type of PTC resettable fuse that is widely used in many applications.
In terms of its application field, the MF-NSML175-2 is most commonly used for protection of circuits against short-circuits and over-currents. For instance, it is used to protect computer motherboards, circuits in consumer electronics, telecom equipment, power supplies, and even automotive fuse applications. In many cases, the MF-NSML175-2 is an ideal solution for low-power applications where traditional fuses cannot offer adequate protection.
The working principle of the MF-NSML175-2 is simple and effective. When a surge or over-current situation occurs, the PTC fuse triggers the over-current protection mechanism. This protection mechanism consists of three components: a Thermo Switch, a Thermistor, and a PTC Resistor. When the over-current is detected, the Thermo Switch is triggered, which in turn triggers the Thermistor and the PTC Resistor. The Thermistor heats up and the PTC Resistor expands, which increases the resistance of the circuit. This increase in resistance effectively stops the flow of current, thus protecting the circuit from damage.
When the over-current situation is eliminated, the PTC Resistor cools down and shrinks back to its original size, allowing the circuit to return to its normal state. This allows the user to reset the PTC fuse and restore power to the circuit. In this way, the MF-NSML175-2 offers protection against both short-circuits and over-currents.
Overall, PTC Resettable Fuses are some of the most reliable and effective solutions for protecting circuits from short-circuits and over-currents. The MF-NSML175-2 is a particular type of PTC resettable fuse that is widely used in many applications due to its simple and effective working principle. This makes it an ideal choice for many low-power applications where traditional solutions cannot offer reliable protection.
The specific data is subject to PDF, and the above content is for reference
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