Inductors(coils)/Microchip Transformer > Chip Inductors (Chip Coils) > for DC-DC Converter Monolithic Type Data Sheet Chip Inductors (Chip Coils) 1 for DC-DC Converter Monolithic Type LQM21P Series (0805 Size) ■ Dimension ■ Packaging 0.5±0.2 Ferrite Electrode Code Packaging Minimum Quantity D 180mm Paper Tape 4000 0.5±0.05 1.25±0.2 2.0±0.2 (in mm) ■ Rated Value (p: packaging code) Part Number Inductance Test Frequency Rated Current DC Resistance Self Resonance Frequency (min.) Class of Magnetic Shield LQM21PNR47MC0p 0.47µH±20% 1MHz 1100mA 0.12ohm±25% 100MHz Magnetic shield of ferrite LQM21PN1R0MC0p 1.0µH±20% 1MHz 800mA 0.19ohm±25% 90MHz Magnetic shield of ferrite LQM21PN1R5MC0p 1.5µH±20% 1MHz 700mA 0.26ohm±25% 70MHz Magnetic shield of ferrite LQM21PN2R2MC0p 2.2µH±20% 1MHz 600mA 0.34ohm±25% 50MHz Magnetic shield of ferrite Operating Temperature Range: -55°C to +125°C ■ Inductance - Frequency Characteristics ■ Inductance - Current Characteristics 10 10 Inductance (µH) Inductance (µH) 2.2µH 1.5µH 1.0µH 1 0.47µH 2.2µH 1 1.5µH 1.0µH 0.47µH 0.1 0.1 1 10 100 0.1 10 1000 100 1000 10000 DC Current (mA) Frequency (MHz) ■ !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. o This 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. 2008.11.4 http://www.murata.com/