MF-USMF075-2 Circuit Protection |
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| Allicdata Part #: | MF-USMF075-2TR-ND |
| Manufacturer Part#: |
MF-USMF075-2 |
| Price: | $ 0.20 |
| Product Category: | Circuit Protection |
| Manufacturer: | Bourns Inc. |
| Short Description: | PTC RESET FUSE 6V 750MA 1210 |
| More Detail: | Polymeric PTC Resettable Fuse 6V 750mA Ih Surface ... |
| DataSheet: |  MF-USMF075-2 Datasheet/PDF |
| Quantity: | 9000 |
| Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
| Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
| 3000 +: | $ 0.17325 |
| 6000 +: | $ 0.17010 |
| 15000 +: | $ 0.16380 |
| Resistance - Initial (Ri) (Min): | 70 mOhms |
| Approvals: | cURus, TUV |
| Lead Spacing: | -- |
| Thickness (Max): | 0.033" (0.85mm) |
| Height - Seated (Max): | -- |
| Size / Dimension: | 0.127" L x 0.102" W (3.22mm x 2.58mm) |
| Package / Case: | 1210 (3225 Metric), Concave |
| Mounting Type: | Surface Mount |
| Ratings: | AEC-Q200 |
| Operating Temperature: | -40°C ~ 85°C |
| Resistance - Post Trip (R1) (Max): | 450 mOhms |
| Series: | Multifuse®, MF-USMF |
| Time to Trip: | 100ms |
| Current - Trip (It): | 1.5A |
| Current - Hold (Ih) (Max): | 750mA |
| Current - Max: | 40A |
| 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 resettable fuses are an element of protection technology designed to guard against component failure caused by overloads and short circuits. The MF-USMF075-2 is a common resettable fuse used in many applications. This article will examine the application field of the MF-USMF075-2 and explore its working principle.
The MF-USMF075-2 resettable fuse is typically used in consumer electronics, such as laptop and cell phones, and is also well suited for automotive applications. The fuse protects against overloads and short circuits by limiting the current through the circuit, and also by protecting against electromagnetic interference (EMI).
The MF-USMF075-2 is a polymeric-positive-temperature-coefficient resettable fuse (PPTC). When a circuit is overloaded, the PPTC\'s resistance increases rapidly, causing the current through the device to decrease. This decrease in current protects the circuit elements from damage that could be caused by an overload.
When the current returns to normal levels, the PPTC will reset itself and the circuit will return to normal operation. PPTC is a one-shot device, meaning that it will only reset itself once. After this, the fuse will be permanently open and unable to reset.
The working principle of the MF-USMF075-2 is relatively simple. The fuse is equipped with two metal strips, one connected to the circuit and the other to a thermal element that allows the current to pass until the current reaches a certain level. When the current exceeds the level of protection, the thermal element melts and breaks the connection between the two metal strips, causing the fuse to blow and breaking the circuit.
The thermal element will reset itself once the current has returned to normal levels, but will not reset itself if the current exceeds the level of protection again. The reset time depends on the amount of current and the temperature of the environment.
The MF-USMF075-2 is an ideal circuit protection solution for many applications. It is a cost-effective solution that is easy to install and offers reliable protection against overloads and short circuits. Its one-shot design ensures that it will reset itself, but only once, preventing further possible damage to the circuit.
The specific data is subject to PDF, and the above content is for reference
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