MFFS-1 RIEDON | Alldatasheet
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Riedon Inc. 300 Cypress Avenue Alhambra CA 91801 (626) 284-9901 (626) 284-1704 www.riedon.com 09/08 Type Wattage Rating ( Watts ) Ohmic Values Tolerances TCR Dimensions A ±0.040” [±1mm] B ±0.020” [±0.5mm] C ±0.002” [±0.05mm] D MIN MFFS-1 1
1 Ohm to
±5% ±250ppm/K MFF Series Fusible Resistor Resistances from 1 Ohm to 10K Ohms Power Rating 1 to 3 Watts Resistance Tolerances of ±5% TCR: ± 250ppm/K Standard SPECIFICATIONS Part Number - Resistance - Tolerance Example: MFF-2 10 Ohm 5% Specifi cation Value Minimum Fusing Overload ( Time ) Fusing Characteristics 1 Ohm to 3.6 Ohms 1.1K Ohms to 3K Ohms 15 Times Rated Power ( 30s MAX )
3.9 Ohms to 1K Ohms 12 Times Rates Power ( 30s MAX )
Temperature Range -55°C to +155°C Insulation Resistance >10000 MOhms Max Working Voltage 300V ( 250V MFFS-1 ) Max Overload Voltage 600V ( 400V MFFS-1 ) Dielectric Voltage 400V Environmental Performance (MIL-STD 202) ΔR Load Life ±5% Resistance to Solder Heat ±0.5% + 0.05 Ohm Temperature Cycling ±1% + 0.02 Ohm Short Time Overload ±2% Metal Film, Fusible Resistors