Inductors (Coils) > Chip Inductor (Chip Coil) > Power Inductor (Multilayer Type for Choke) Data Sheet 1 Chip Inductor (Chip Coil) Power Inductor (Multilayer Type for Choke) LQM21F_70 Series (0805 Size) c Dimensions c Packaging 1.25±0.2 0.5±0.3 Code Packaging Minimum Quantity L 180mm Embossed Tape 3000 B Bulk(Bag) 1000 1.25±0.2 2.0±0.2 (in mm) c Rated Value (p: packaging code) Part Number Inductance Test Frequency Rated Current DC Resistance Self Resonance Frequency (min.) LQM21FN4R7M70p 4.7µH ±20% 1MHz 120mA 0.35ohm ±30% 25MHz LQM21FN100M70p 10µH ±20% 1MHz 100mA 0.60ohm ±30% 15MHz Class of Magnetic Shield: Magnetic shield of ferrite Operating Temperature Range (Self-temperature rise is not included): -55 to +125°C c Impedance-Frequency Characteristics (Typ.) c Inductance-Current Characteristics (Typ.) 100 10000 10μH Inductance (μH) Impedance (Ω) 1000 4.7μH 100 10μH 10 4.7μH 1 10 1 0.1 1 10 100 1000 1 Frequency (MHz) 10 100 1000 Current (mA) c !Caution/Notice !Caution (Rating) Do not use products beyond the rated current as this may create excessive heat. Notice Solderability of Tin plating termination chip might be deteriorated when low temperature soldering profile where peak solder temperature is below the Tin melting point is used. Please confirm the solderability of Tin plating termination chip before use. oThis data sheet is applied for CHIP INDUCTORS (CHIP COILS) used for General Electronics equipment for your design. !Note: 1. This datasheet is downloaded from the website of Murata Manufacturing co., ltd. Therefore, it’s specifications are subject to change or our products in it may be discontinued without advance notice. Please check with our sales representatives or product engineers before ordering. 2. This datasheet has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering. 2011.9.8 http://www.murata.com/