MF-MSMF030-2

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MF-MSMF030-2

+Nomenclature

PTC RESET FUSE 30V 300MA 1812

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Spécifications

Attribut Valeur
Package Tape & Reel (TR),Cut Tape (CT)
Series Multifuse®, MF-MSMF
ProductStatus Active
Type Polymeric
Voltage-Max 30V
Current-Max 10 A
Current-Hold(Ih)(Max) 300 mA
Current-Trip(It) 600 mA
TimetoTrip 100 ms
Resistance-Initial(Ri)(Min) 300 mOhms
Resistance-PostTrip(R1)(Max) 3 Ohms
OperatingTemperature -40°C ~ 85°C
Ratings AEC-Q200
MountingType Surface Mount
Package/Case 1812 (4532 Metric), Concave
Size/Dimension 0.179 L x 0.128 W (4.55mm x 3.24mm)
Thickness(Max) 0.043 (1.10mm)

Présentation

Features

The MF-MSMF030-2 is a 30V, 3A resettable fuse (PPTC) from Littelfuse, designed for overcurrent protection in compact electronics. Key features:
- Hold Current: 3A (typical)
- Trip Current: 6A (typical)
- Max Voltage: 30V DC
- Low Resistance: ~25mΩ (minimizes power loss)
- Fast Trip Time: Responds quickly to overcurrent faults
- Resettable: Automatically resets after fault removal
- Compact Size: Surface-mount (SMD) form factor
- Operating Temp: -40°C to +85°C
Ideal for battery packs, USB ports, and PCBs requiring reliable, space-efficient protection.

Pinout

The MF-MSMF030-2 is a resettable fuse (PPTC) with 2 pins.
Key Functions:
- Overcurrent Protection: Automatically trips (high resistance) when current exceeds its rated threshold (30V, 0.3A).
- Resettable: Returns to low resistance when fault conditions are removed.
- Compact SMD Design: Suitable for space-constrained PCB applications.
Pin Configuration:
- 2 terminals (anode/cathode)—non-polarized, interchangeable for DC circuits.
Applications:
- Protects circuits in consumer electronics, automotive, and industrial devices.

Package

The MF-MSMF030-2 is a surface-mount resettable fuse (PPTC) designed for overcurrent protection. It features a 30V DC rating and a 300mA hold current. Its compact 1206 package size (3.2mm x 1.6mm) makes it suitable for space-constrained PCB applications. The device resets automatically after fault conditions, offering reliable circuit protection in electronics like consumer devices, telecom, and industrial systems.

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