FM50M RFE | Alldatasheet
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Technical content
FEATURES
- High stability, accuracy, and reliability
- Non combustible coating
- Uniform fusing time FUSIBLE RESISTORS FM, FKN, & FSQ Series: Fusible The fusible resistor contains two functions in one package. It's a resistor under normal conditions and a fuse when subjected to higher than normal current. 100 0 50 100 150 200 250 300 350 400 Rated Load (%) Ambient Temperature (°C) FM FKN & FSQ 70°C 275°C235°C•Fusing times not listed, may be available. Contact RFE International, Inc. for details. Power Fusing Time Minimum Nominal Maximum 16 X Wattage 3 Sec. 30 Sec. 1 Min. 20 2 Sec. 15 Sec. 30 Sec. 24 1 Sec. 5 Sec. 10 Sec. 28 0.8 Sec. 3 Sec. 7 Sec. 32 0.8 Sec. 2 Sec. 4 Sec. FM 50 R - 10R - J FKN & FM FSQ C2DB01 REV 2002.02.07 RFE International • Tel:(949) 833-1988 • Fax:(949) 833-1788 • E-Mail Sales@rfeinc.com Wattage Type Dimension(mm) Resistance Max. Dielectric Std Range Working Withstanding Tolerance L±1.0 D±0.5 H±3 W±0.5 C±3 d±0.05 ( ) Voltage Voltage ±% 1/2W FM50M 6.8 2.6 30 0.6 0.22 - 100K 250 300 1/2W FM50 9 3.5 30 0.65 0.22 - 100K 250 300 1W FM100 9 4 30 0.65 0.22 - 100K 300 500 2W FM200 11 4.5 30 0.8 0.3 - 100K 350 500 3W FM300 15 5.5 30 0.8 0.3 - 100K 500 500 1W FKN1W 9 4.5 0.65 0.1 - 22 500 500 2, 5, 10 5, 10 5, 10 5, 10 5, 10 5, 10 2W FKN2W 11 5 30 0.8 0.1 - 80 500 500 2, 5, 10 3W FKN3W 13 5.5 30 0.8 0.1 - 100 500 500 2, 5, 10 4W FKN4W 17 6.5 38 0.8 0.2 - 200 500 500 2, 5, 10 5W FKN5W 19 6.5 38 0.8 0.3 - 250 500 500 2, 5, 10 2W FSQ2W 18 7 7 36 0.65 0.1 - 22 1000 1000 2, 5, 10 3W FSQ3W 22 8 8 36 0.8 0.1 - 120 1000 1000 2, 5, 10 5W FSQ5W 22 9 10 36 0.8 0.2 - 120 1000 1000 2, 5, 10 7W FSQ7W 35 9 10 36 0.8 0.3 - 250 1000 1000 2, 5, 10 10W FSQ10W 48 9 10 36 0.8 0.3 - 500 1000 1000 2, 5, 10
- Standard tolerance is ±5% and ±10% for values below 0.5 FM is fusible metal film FKN & FSQ is fusible wirewound Test Items Condition Spec. Operating Temperature FM FKN & FSQ Resistance Temp. Coeff. +30°C ~ +150°C ±200 ppm/°C(R<1 ohm±440 ppm) Short Time Overload FM: 4X rated wattage for 5 sec. ±2% FKN & FSQ: 2.5X rated wattage for 5 sec. ±2% Insulation Resistance 500V megger 1000M ohm Temperature Cycle -30°C 85°C for 5 cycles ±1% Load Life 70°C on-off cycle 1000 hrs ±5% Moisture-Proof Load Life 40°C 95@ RH on-off cycle for 1000 hrs ±5% -40°C ~ +235°C -55°C ~ +275°C RoHS ü