MF-USMD110-2 Circuit Protection |
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| Allicdata Part #: | MF-USMD110TR-ND |
| Manufacturer Part#: |
MF-USMD110-2 |
| Price: | $ 0.00 |
| Product Category: | Circuit Protection |
| Manufacturer: | Bourns Inc. |
| Short Description: | PTC RESET FUSE 6V 1.1A 1210 |
| More Detail: | Polymeric PTC Resettable Fuse 6V 1.1A Ih Surface M... |
| DataSheet: |  MF-USMD110-2 Datasheet/PDF |
| Quantity: | 1000 |
| Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
| Lead Free Status / RoHS Status: | Contains lead / RoHS non-compliant |
| 1 +: | 0.00000 |
| Resistance - Initial (Ri) (Min): | 50 mOhms |
| Approvals: | CSA, TUV, UR |
| Lead Spacing: | -- |
| Thickness (Max): | 0.019" (0.48mm) |
| Height - Seated (Max): | -- |
| Size / Dimension: | 0.127" L x 0.102" W (3.22mm x 2.58mm) |
| Package / Case: | 1210 (3225 Metric) |
| Mounting Type: | Surface Mount |
| Ratings: | -- |
| Operating Temperature: | -40°C ~ 85°C |
| Resistance - Post Trip (R1) (Max): | 210 mOhms |
| Series: | Multifuse®, MF-USMD |
| Time to Trip: | 1s |
| Current - Trip (It): | 2.2A |
| Current - Hold (Ih) (Max): | 1.1A |
| Current - Max: | 40A |
| Voltage - Max: | 6V |
| Type: | Polymeric |
| Moisture Sensitivity Level (MSL): | -- |
| Part Status: | Obsolete |
| Lead Free Status / RoHS Status: | -- |
| Packaging: | Tape & Reel (TR) |
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PTC Resettable Fuses have a wide range of applications in circuit protection, including consumer electronics, automotive, industrial, medical and military/aerospace applications. The MF-USMD110-2 is an ideal choice for this type of over-current protection solution.
In comparison to traditional fuses, the MF-USMD110-2 has several advantages. It provides a low operating resistance when not overloaded, meaning that a low-voltage drop and minimal power loss occur in normal operation. The device also has a large temperature range, making it suitable for a broad variety of applications. Additionally, the device is UL recognized and is available in various lead-free solder form factors.
The working principle of the MF-USMD110-2 PTC Resettable Fuse is based on the use of a special polymer, which exhibits a steep increase in resistance in response to an excessive current. This increase in the resistance serves two main purposes: it limits the current flowing through the device, thus protecting the circuit from overload, and it melts the PTC’s conductive element, creating an open circuit. This open circuit prevents further inrush and prevents further damage to the circuit.
When the current returns to a safe level, the polymer solidifies, re-establishing the electrical contact and allowing the circuit to operate normally again. This self-resetting feature makes PTC Resettable Fuses more cost-effective than standard fuses that must be replaced after a fault occurs. Unlike standard fuses that fail in an open circuit, PTC Resettable Fuses will fail closed, meaning that downstream circuit components remain protected until the cause of the fault is identified and corrected.
In conclusion, the MF-USMD110-2 PTC Resettable Fuse is an ideal choice for circuit protection in a wide variety of applications. Its low operating resistance, broad temperature range, UL recognition, and cost-effective, self-resetting feature make it an attractive solution for over-current protection.
The specific data is subject to PDF, and the above content is for reference
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