
Allicdata Part #: | F2572TR-ND |
Manufacturer Part#: |
0451.250MRL |
Price: | $ 0.35 |
Product Category: | Circuit Protection |
Manufacturer: | Littelfuse Inc. |
Short Description: | FUSE BOARD MNT 250MA 125VAC/VDC |
More Detail: | N/A |
DataSheet: | ![]() |
Quantity: | 4000 |
Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
1000 +: | $ 0.32155 |
2000 +: | $ 0.30492 |
3000 +: | $ 0.29938 |
5000 +: | $ 0.28829 |
10000 +: | $ 0.27720 |
Response Time: | Fast |
DC Cold Resistance: | 0.5765 Ohms |
Size / Dimension: | 0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm) |
Color: | -- |
Operating Temperature: | -55°C ~ 125°C |
Approvals: | CSA, UL |
Melting I²t: | 0.0158 |
Breaking Capacity @ Rated Voltage: | 50A |
Mounting Type: | Surface Mount |
Package / Case: | 2-SMD, Square End Block |
Series: | NANO²® 451 |
Voltage Rating - DC: | 125V |
Voltage Rating - AC: | 125V |
Current Rating: | 250mA |
Fuse Type: | Board Mount (Cartridge Style Excluded) |
Moisture Sensitivity Level (MSL): | -- |
Part Status: | Active |
Lead Free Status / RoHS Status: | -- |
Packaging: | Tape & Reel (TR) |
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Fuses
Fuses are an important part of electrical systems. They are designed to protect circuits and equipment from overvoltage and overcurrent situations. Overvoltages can occur during power outages or when there is a voltage surge, while overcurrent can occur when current draws are too high or when a short circuit occurs. Fuses are rated by their current handling capacity and their time delay characteristics. Fuses are a vital part of the complete protection system for electrical and electronic equipment.
In this article we will be discussing 0451.250MRL (Medium duty Rated Fuse) application field and working principle. 0451.250MRL Fuses are a fuse type that features an ultra-low current rating with ultra-low time-delay characteristics. They are suitable for use with low currents such as those found in telecom and fiber optics networks, allowing for very precise and reliable protection for these sensitive components. They also feature melamine as the fuse element, which increases their flame retardant characteristics.
0451.250MRL Fuses are primarily designed for telecom and fiber optics networks due to their low current ratings and quick response time in the event of an overcurrent situation. Since these delicate networks require precise and reliable protection, 0451.250MRL fuses are the perfect solution. They offer enhanced safety in the event of an overcurrent with their fast-acting, low power characteristics. They also feature an ultra-low time-delay, which allows them to react quickly and shut off the circuit with minimal effect on the electrical components or equipment.
The working principle of 0451.250MRL Fuses is based on their melamine fuse element. When current draw exceeds the fuse’s rating, the element melts, which disconnects the circuit and prevents further flow of electrical current. This element also features excellent flame resistant characteristics, which make the (0451.250MRL Fuse) fuse suitable for use in a wide range of environments and applications. Furthermore, they offer superior protection against corrosion and high humidity, making them perfect for use in wet conditions.
In conclusion, 0451.250MRL Fuses are an ideal choice for application in telecom and fiber optics networks. They feature low current ratings and fast-acting time delay characteristics, which provide reliable and precise protection against overvoltage and overcurrent situations. Their melamine fuse element also provides excellent flame retardant characteristics, which make them suitable for use in a wide variety of environments and applications. Overall, 0451.250MRL Fuses are a great choice for those looking for a reliable and low power protection solution.
The specific data is subject to PDF, and the above content is for reference
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0451005.MR | Littelfuse I... | -- | 1000 | FUSE BRD MNT 5A 125VAC/VD... |
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0451320610 | Molex, LLC | 3.61 $ | 95 | MICROFIT 6 CIRCUIT 1M6 Po... |
045102.5MRL | Littelfuse I... | -- | 3000 | FUSE BRD MNT 2.5A 125VAC/... |
0451.160MR | Littelfuse I... | 0.0 $ | 1000 | FUSE BOARD MNT 160MA 125V... |
1052015:0451 | Phoenix Cont... | 2.37 $ | 1000 | TERM BLOCK MARKERConnecto... |
0451350801 | Molex, LLC | 3.82 $ | 77 | MINIFIT 8 CIRCUIT 150MM8 ... |
0451015.NRL | Littelfuse I... | 0.48 $ | 1000 | FUSE BRD MNT 15A 65VAC/VD... |
0451350401 | Molex, LLC | 2.42 $ | 342 | MINIFIT 4 CIRCUIT 150MM C... |
0451340610 | Molex, LLC | 3.89 $ | 1000 | ULTRAFIT 6 CIRCUIT WHITE ... |
0451320803 | Molex, LLC | 3.68 $ | 931 | MICROFIT 8 CIRCUIT 300MM8... |
0451361201 | Molex, LLC | 9.79 $ | 1000 | MEGA-FIT 12 CIRCUIT 150MM... |
0451004.MRL | Littelfuse I... | 0.35 $ | 5000 | FUSE BRD MNT 4A 125VAC/VD... |
045102.5NRL | Littelfuse I... | 0.32 $ | 1000 | FUSE BRD MNT 2.5A 125VAC/... |
20021831-04516T4LF | Amphenol FCI | 1.32 $ | 1000 | CONN STACKER 16POS 1.27MM... |
ATT-0451-06-SMA-02 | Cinch Connec... | 109.96 $ | 1000 | ATTENUATOR 6 DB DC 18GHZR... |
045106.3NR | Littelfuse I... | 0.0 $ | 1000 | FUSE NANO SMF 6.3A PCB SM... |
0451320403 | Molex, LLC | 2.45 $ | 244 | MICROFIT 4 CIRCUIT 300MM4... |
0451360203 | Molex, LLC | 3.33 $ | 1000 | MEGA-FIT 2 CIRCUIT 300MM2... |
0451.250NRL | Littelfuse I... | 0.32 $ | 1000 | FUSE BOARD MNT 250MA 125V... |
510-83-085-11-045101 | Preci-Dip | 3.91 $ | 1000 | CONN SOCKET PGA 85POS GOL... |
0451300201 | Molex, LLC | 1.91 $ | 761 | NANO-FIT 2 CIRCUIT 150MM2... |
1051016:0451 | Phoenix Cont... | 1.55 $ | 1000 | TERM BLOCK MARKERConnecto... |
ATT-0451-02-SMA-02 | Cinch Connec... | 109.96 $ | 1000 | ATTENUATOR 2 DB DC 18GHZR... |
ATT-0451-12-SMA-02 | Cinch Connec... | 0.0 $ | 1000 | ATTENUATOR 12 DB DC 18GHZ... |
ATT-0451-19-SMA-02 | Cinch Connec... | 0.0 $ | 1000 | ATTENUATOR 19 DB DC 18GHZ... |
0451.500NRL | Littelfuse I... | 0.32 $ | 1000 | FUSE BOARD MNT 500MA 125V... |
0451007.MR | Littelfuse I... | 0.0 $ | 1000 | FUSE BRD MNT 7A 125VAC/VD... |
0451.160NR | Littelfuse I... | 0.0 $ | 1000 | FUSE BOARD MNT 160MA 125V... |
04511.25MRSN | Littelfuse I... | 0.8 $ | 1000 | FUSE BOARD MNT 1.25A 125V... |
0451002.NRL | Littelfuse I... | -- | 1000 | FUSE BOARD MNT 2A 125VAC/... |
0451001.MR | Littelfuse I... | 0.0 $ | 1000 | FUSE BRD MNT 1A 125VAC/VD... |
0451007.NR | Littelfuse I... | 0.0 $ | 1000 | FUSE BRD MNT 7A 125VAC/VD... |
0451360801 | Molex, LLC | 7.01 $ | 1000 | MEGA-FIT 8 CIRCUIT 150MM8... |
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