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LCWF Datasheet(PDF) 11 Page - AVX Corporation |
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LCWF Datasheet(HTML) 11 Page - AVX Corporation |
11 / 12 page 41 ENVIRONMENTAL CHARACTERISTICS Wire Wound Chip Inductor (Ferrite) LCWF Series ELECTRICAL PERFORMANCE TEST Items Requirement Test Methods Inductance HP4291 or HP4284 Q HP4291 or HP4284 SRF Refer to standard electrical HP4291 DC Resistance RDC characteristic spec. Agilent 34401A Rated Current IDC Applied the current to coils, The inductance change should be less than 10% to initial value MECHANICAL PERFORMANCE TEST Items Requirement Test Methods Solderability The electrodes shall be at least 90% Lead-free inductor: after fluxing(alpha 100 or equiv), covered with new solder coating inductor shall be dipped in a melted solder bath at 245 5 C, 5 0.5 seconds Resistance to Appearance: No damage Pre-heating: 150°C, 1min. Soldering Heat Solder Temperature: 260±5°C Immersion Time: 10±1 seconds Vibration Appearance: No damage Test device shall be soldered on the substrate L change: within±10% Q Oscillation Frequency: 10 to 55 to 10Hz for 1 min. change: within±30% Amplitude: 1.5 mm DCR: within specification Time: 2 hrs for each axis (X, Y&Z), total 6 hrs CLIMATIC TEST Items Requirement Test Methods One cycle: Temperature Cycle Total: 100 cycles Measured after exposure in the room condition for 24 hrs Temperature: 40±2°C Damp Heat with Load Appearance: No damage Relative Humidity: 90 ~ 95% L change: within±10% Q Time: 1000 hrs change: within±30% Measured after exposure in the room condition for 24 hrs DCR: within specification Temperature: 85±3°C Relative Humidity: 20% High Temperature Storage Applied Current: Rated Current Time: 1000 hrs Measured after exposure in the room condition for 24 hrs Temperature: -25±3°C Low Temperature Storage Relative Humidity: 0% Time: 1000 hrs Measured after exposure in the room condition for 24 hrs Step Temperature (°C) Time (min.) 1 -25±3 30 2 25±2 15 3 125±3 30 4 25±2 15 |
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