Product Overview
The PFMF.110.2 is a polymeric PTC resettable fuse from SCHURTER in a 1812 (4532 metric) surface-mount package. It has a hold current of 1.1A, trip current of 2.2A, and 6VDC maximum voltage rating. The device provides overcurrent protection with automatic recovery, making it ideal for USB port protection and low-voltage circuit protection applications.
Key Specifications
- Type: Polymeric PTC Resettable Fuse
- Voltage Max: 6VDC
- Hold Current I_h: 1.1A
- Trip Current I_t: 2.2A
- Max Current I_max: 100A
- Trip Time: 300ms at 8A
- Initial Resistance R_i min: 0.04 ohm
- Post-Trip R_1hr max: 0.21 ohm
- Tripped Power Dissipation: 0.80W
- Package: 1812 (4532 Metric) Concave
- Dimensions: 4.55 x 3.24 x 0.85mm
- Terminal Material: Electroless Ni/Au
- Operating Temperature: -40C to +85C
- Certifications: cURus, TUV
- MSL: 1 (J-STD-020)
- ECCN: EAR99
- RoHS: ROHS3 Compliant
- Packaging: Tape and Reel 2000pcs
- Part Status: Active
Features
- Polymeric PTC with automatic reset
- 100% compatible with PFMD type
- Low initial resistance (40m ohm)
- Compact 1812 footprint
- cURus and TUV certified
- Reliable aging (+-5% after 1000hr at 85C)
Applications
- USB port overcurrent protection
- Hard disk drive current limiting
- PC motherboard circuit protection
- PCMCIA card power protection
- PC peripheral short-circuit protection