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MFU Series SMD Chip Fuses
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The new MFU SMD chip fuse series from Vishay, is comprised of over current protection devices used to avoid risks of fire hazards caused by overload situations or short circuits on electronic devices and enables the engineer of low power electronics to design very small power circuits. |
With a standard SMD size range of 0603, 0805
and 1206 and a rated current range of 0.5A up
to 6.3A, the MFU series increases the safety
level of electronic devices like cell phones, TFT
flat screen, notebooks, game consoles, DC-DC
inverters, control units and motion control units.
For circuits with higher requirements regarding
miniaturization, the MFU 0402 is available
in a current range of .5A to 2.0A.
A highly controlled
manufacturing process,
combined with
Vishay’s advanced thin
film technology, yields
very quick-acting fuse
characteristics for
highly predictable performance
even in sensitive
electronic systems.
An extensive testing
procedure is performed
on every device, each
of which features a coating that protects against
electrical, mechanical, and climatic hazards. The
MFU 0402, MFU 0603, MFU 0805 and MFU 1206
are certified by the Underwriters Laboratory, and
all are listed under UL E253806.
The MFU 0402, MFU 0603, MFU 0805 and MFU
1206 support lead (Pb)-free soldering and are
suitable for processing on automatic SMD assembly
systems using wave, reflow, or vapor phase
processes. The terminations for the new lead (Pb)-
free MFU chip fuses are pure tin on nickel plating.
The immunity of the plating against tin whisker
growth has been proven under extensive testing.
All products comply with the CEFIC-EECA-EICTA
list of legal restrictions on hazardous substances.
FEATURES
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- UL-Recognition E253806
- IEC Approval (MFU 0603, MFU 1206)
- Advanced Thin-Film Technology
- Very quick acting fusing characteristics (FF)
- Outstanding stability of fusing characteristics
- Standard SMD Chip Sizes: 0402 up to 1206
- Rated current range: 0.5A up to 6.3A
- RoHS compliant
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APPLICATIONS
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- Information technology
- Industrial electronics
- Automotive electronics
- Telecommunication
- Medical equipment
- Audio/video electronics
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MFU 1206
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The tight controlled thin film manufacturing process (sputtering) guarantees an outstanding stability of fusing characteristics together with small deviation of the pre-arcing times (Figure 1).
Figure 1 - Fusing Characteristic
The homogeneous crystal structure of the metal layer has an important influence over the long-term stability, due to aging factors such as power dissipation or external high temperatures in combination with thermal cycles. To simultaneously improve control over the dimensions and crystal structure of the fuse element, Vishay Beyschlag MFU-series chip fuses are created using a thin film sputtering process. This process leverages precision chip resistor manufacturing knowledge and assembly capacity.
In addition, a special protective coating comprising layers of glass and epoxy lacquer also now raises the capability of chip fuses to withstand harsh thermal shocks and wide-ranging humidity requirements.
The MFU chip fuse series is the first chip fuse which covers the safety requirements out of the UL 248-14 and IEC 60127-4. The MFU chip fuse types MFU 0603 and MFU 1206 possess over the UL-Recognition as well as over the VDE-Approbation according to IEC 60127-4. Complying with both safety standards will offer the opportunity to develop only one electronic design for the global market instead of two designs. The MFU series is suitable in applications for the American market (UL) as well as for applications designed for the rest of the world (IEC). And also in terms of costs of ownership both approvals of the MFU series reduces the costs of procurement, logistic, production and spare part supply.
The chip fuses are lead (Pb)-free (category e3), the pure tin plating provides compatibility with lead (Pb)-free and lead-containing soldering processes. The immunity of the plating against tin whisker growth has been proven under extensive testing.
The MFU Series complies with the following directives:
- 2000/53/EC End of Vehicle life Directive (ELV)
- 2000/53/EC Annex II to End of Vehicle Life Directive(ELV II)
- 2002/95/EC Restriction of the use of Hazardous Substances Directive (RoHS)
- 2002/96/EC Waste Electrical and Electronic Equipment Directive (WEEE)
Featured Products
| Part Number |
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Description |
Data
Sheet |
App.
Notes |
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| MFU0402FF00500E100 |
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MFU 0402-FF E1 0A5 - Chip Fuse, 0402, 0.5A, Very Quick Acting
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| MFU0402FF00630E100 |
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MFU 0402-FF E1 0A63 - Chip Fuse, 0402, 0.63A, Very Quick Acting
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| MFU0402FF00750E100 |
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MFU 0402-FF E1 0A75 - Chip Fuse, 0402, 0.75A, Very Quick Acting
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| MFU0402FF00800E100 |
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MFU 0402-FF E1 0A8 - Chip Fuse, 0402, 0.8A, Very Quick Acting
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| MFU0402FF01000E100 |
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MFU 0402-FF E1 1A0 - Chip Fuse, 0402, 1.0A, Very Quick Acting
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| MFU0402FF01250E100 |
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MFU 0402-FF E1 1A25 - Chip Fuse, 0402, 1.25A, Very Quick Acting
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| MFU0402FF01500E100 |
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MFU 0402-FF E1 1A5 - Chip Fuse, 0402, 1.5A, Very Quick Acting
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| MFU0402FF01600E100 |
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MFU 0402-FF E1 1A6 - Chip Fuse, 0402, 1.6A, Very Quick Acting
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| MFU0402FF01750E100 |
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MFU 0402-FF E1 1A75 - Chip Fuse, 0402, 1.75A, Very Quick Acting
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| MFU0402FF02000E100 |
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MFU 0402-FF E1 2A0 - Chip Fuse, 0402, 2.0A, Very Quick Acting
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| MFU0603FF00500P100 |
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MFU 0603-FF P1 0A5 - Chip Fuse, 0603, 0.5A, Very Quick Acting
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| MFU0603FF00630P100 |
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MFU 0603-FF P1 0A63 - Chip Fuse, 0603, 0.63A, Very Quick Acting
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| MFU0603FF00750P100 |
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MFU 0603-FF P1 0A75 - Chip Fuse, 0603, 0.75A, Very Quick Acting
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| MFU0603FF00800P100 |
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MFU 0603-FF P1 0A8 - Chip Fuse, 0603, 0.8A, Very Quick Acting
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| MFU0603FF01000P100 |
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MFU 0603-FF P1 1A0 - Chip Fuse, 0603, 1.0A, Very Quick Acting
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| MFU0603FF01250P100 |
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MFU 0603-FF P1 1A25 - Chip Fuse, 0603, 1.25A, Very Quick Acting
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| MFU0603FF01500P100 |
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MFU 0603-FF P1 1A5 - Chip Fuse, 0603, 1.5A, Very Quick Acting
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| MFU0603FF01600P100 |
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MFU 0603-FF P1 1A6 - Chip Fuse, 0603, 1.6A, Very Quick Acting
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| MFU0603FF01750P100 |
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MFU 0603-FF P1 1A75 - Chip Fuse, 0603, 1.75A, Very Quick Acting
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| MFU0603FF02000P100 |
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MFU 0603-FF P1 2A0 - Chip Fuse, 0603, 2.0A, Very Quick Acting
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| MFU0603FF02500P100 |
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MFU 0603-FF P1 2A5 - Chip Fuse, 0603, 2.5A, Very Quick Acting
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| MFU0603FF03000P100 |
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MFU 0603-FF P1 3A0 - Chip Fuse, 0603, 3.0A, Very Quick Acting
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| MFU0603FF03150P100 |
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MFU 0603-FF P1 3A15 - Chip Fuse, 0603, 3.15A, Very Quick Acting
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| MFU0603FF03500P100 |
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MFU 0603-FF P1 3A5 - Chip Fuse, 0603, 3.5A, Very Quick Acting
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| MFU0603FF04000P100 |
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MFU 0603-FF P1 4A0 - Chip Fuse, 0603, 4.0A, Very Quick Acting
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| MFU0805FF00500P100 |
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MFU 0805-FF P1 0A5 - Chip Fuse, 0805, 0.5A, Very Quick Acting
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| MFU0805FF00630P100 |
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MFU 0805-FF P1 0A63 - Chip Fuse, 0805, 0.63A, Very Quick Acting
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| MFU0805FF00750P100 |
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MFU 0805-FF P1 0A75 - Chip Fuse, 0805, 0.75A, Very Quick Acting
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| MFU0805FF00800P100 |
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MFU 0805-FF P1 0A8 - Chip Fuse, 0805, 0.8A, Very Quick Acting
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| MFU0805FF01000P100 |
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MFU 0805-FF P1 1A0 - Chip Fuse, 0805, 1.0A, Very Quick Acting
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| MFU0805FF01250P100 |
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MFU 0805-FF P1 1A25 - Chip Fuse, 0805, 1.25A, Very Quick Acting
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| MFU0805FF01500P100 |
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MFU 0805-FF P1 1A5 - Chip Fuse, 0805, 1.5A, Very Quick Acting
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| MFU0805FF01600P100 |
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MFU 0805-FF P1 1A6 - Chip Fuse, 0805, 1.6A, Very Quick Acting
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| MFU0805FF01750P100 |
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MFU 0805-FF P1 1A75 - Chip Fuse, 0805, 1.75A, Very Quick Acting
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| MFU0805FF02000P100 |
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MFU 0805-FF P1 2A0 - Chip Fuse, 0805, 2.0A, Very Quick Acting
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| MFU0805FF02500P100 |
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MFU 0805-FF P1 2A5 - Chip Fuse, 0805, 2.5A, Very Quick Acting
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| MFU0805FF03000P100 |
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MFU 0805-FF P1 3A0 - Chip Fuse, 0805, 3.0A, Very Quick Acting
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| MFU0805FF03150P100 |
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MFU 0805-FF P1 3A15 - Chip Fuse, 0805, 3.15A, Very Quick Acting
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| MFU0805FF03500P100 |
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MFU 0805-FF P1 3A5 - Chip Fuse, 0805, 3.5A, Very Quick Acting
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| MFU0805FF04000P100 |
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MFU 0805-FF P1 4A0 - Chip Fuse, 0805, 4.0A, Very Quick Acting
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| MFU1206FF00500P100 |
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MFU 1206-FF P1 0A5 - Chip Fuse, 1206, 0.5A, Very Quick Acting
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| MFU1206FF00630P100 |
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MFU 1206-FF P1 0A63 - Chip Fuse, 1206, 0.63A, Very Quick Acting
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| MFU1206FF00750P100 |
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MFU 1206-FF P1 0A75 - Chip Fuse, 1206, 0.75A, Very Quick Acting
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| MFU1206FF00800P100 |
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MFU 1206-FF P1 0A8 - Chip Fuse, 1206, 0.8A, Very Quick Acting
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| MFU1206FF01000P100 |
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MFU 1206-FF P1 1A0 - Chip Fuse, 1206, 1.0A, Very Quick Acting
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| MFU1206FF01250P100 |
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MFU 1206-FF P1 1A25 - Chip Fuse, 1206, 1.25A, Very Quick Acting
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| MFU1206FF01500P100 |
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MFU 1206-FF P1 1A5 - Chip Fuse, 1206, 1.5A, Very Quick Acting
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| MFU1206FF01600P100 |
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MFU 1206-FF P1 1A6 - Chip Fuse, 1206, 1.6A, Very Quick Acting
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| MFU1206FF01750P100 |
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MFU 1206-FF P1 1A75 - Chip Fuse, 1206, 1.75A, Very Quick Acting
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| MFU1206FF02000P100 |
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MFU 1206-FF P1 2A0 - Chip Fuse, 1206, 2.0A, Very Quick Acting
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| MFU1206FF02500P100 |
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MFU 1206-FF P1 2A5 - Chip Fuse, 1206, 2.5A, Very Quick Acting
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| MFU1206FF03000P100 |
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MFU 1206-FF P1 3A0 - Chip Fuse, 1206, 3.0A, Very Quick Acting
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| MFU1206FF03150P100 |
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MFU 1206-FF P1 3A15 - Chip Fuse, 1206, 3.15A, Very Quick Acting
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| MFU1206FF03500P100 |
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MFU 1206-FF P1 3A5 - Chip Fuse, 1206, 3.5A, Very Quick Acting
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| MFU1206FF04000P100 |
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MFU 1206-FF P1 4A0 - Chip Fuse, 1206, 4.0A, Very Quick Acting
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| MFU1206FF05000P100 |
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MFU 1206-FF P1 5A0 - Chip Fuse, 1206, 5.0A, Very Quick Acting
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 refers to New Product Introduction
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