Reference Only Spec No. JELF243B-0083A-01 P.1/10 CHIP COIL (CHIP INDUCTORS) LQM21DN70L REFERENCE SPECIFICATION 1. Scope This reference specification applies to Chip Coil (Chip Inductors) LQM21DN 70 series. 2. Part Numbering (ex) LQ M 21 D N 100 M 7 0 L Product ID Structure Dimension Applications Category Inductance Tolerance Features Electrode Packaging (LW) and L: Taping Characteristics *B: BULK *B: Bulk packing also available 3. Rating Operating Temperature Range. 55C to +125C Storage Temperature Range. 55C to +125C DC Resistance Rated Current Inductance (mA) () Self Customer MURATA Resonant *1 (Based on Part Number Part Number Frequency *2(Based on Typ. Inductance (H) Tolerance Max. (MHz min.) Temperature rise) change) LQM21DN100M70L 10 20% 0.65 0.845 27 250 300 LQM21DN150M70L 15 20% 0.95 1.235 24 140 250 LQM21DN220M70L 22 20% 1.25 1.625 19 100 220 LQM21DN330M70L 33 20% 2.30 2.99 16 80 200 LQM21DN470M70L 47 20% 2.30 2.99 12 50 200 LQM21DN101M70L 100 20% 3.15 4.095 8 20 160 *1: When applied Rated current to the Products, Inductance will be within 50% of initial inductance value range. *2: When applied Rated current to the Products, temperature rise caused by self-generated heat shall be limited to 40 max. 4. Testing Conditions Unless otherwise specified In case of doubt Temperature : Ordinary Temperature / 15C to 35C Temperature : 20C 2C Humidity : Ordinary Humidity / 25%(RH) to 85%(RH) Humidity : 60%(RH) to 70%(RH) Atmospheric Pressure : 86kPa to 106kPa 5. Appearance and Dimensions 0.50.3 Unit Mass (Typical value) 0.016g 1.250.2 (in mm) 2.00.2 1.250.2 MURATA MFG.CO., LTD Reference Only Spec No. JELF243B-0083A-01 P.2/10 6. Electrical Performance No. Item Specification Test Method 6.1 Inductance Inductance shall meet item 3. Measuring Equipment: KEYSIGHT 4294A or equivalent (1mA) Measuring Frequency: 1MHz 6.2 DC Resistance DC Resistance shall meet item 3. Measuring Equipment: Digital multi meter Digital multi meter (TR6846 or equivalent) a terminal1 terminal2 SW b DC resistance shall be measured after putting chip coil between the terminal 2 under the condition of opening between a and b. Every measurement the terminal 1 shall be shorted between a and b when changing chip coil. 6.3 Self Resonant S.R.F shall meet item 3. Measuring Equipment: Frequency (S.R.F) KEYSIGHT 4294A or equivalent 7. Mechanical Performance No. Item Specification Test Method 7.1 Shear est No significant mechanical damage or The product is soldered on a substrate for test. no sign of electrode peeling off shall be Applying force: 10 N observed. Holding time: 5 s 7.2 Bending est No significant mechanical damage or The product is soldered on a substrate for test. no sign of electrode peeling off shall be Test substrate: glass-epoxy substrate (100 mm 40 observed. mm 1.6 mm) Pressurizing speed: 1.0 mm/s Pressure jig: R230 Amount of bending: 2 mm Holding time: 20 s 7.3 Vibration Appearance shall have no significant The product is soldered on a substrate for test. mechanical damage. Oscillation frequency: 10 Hz to 2000 Hz to 10 Hz/20 min Amplitude: total amplitude of 3.0 mm or acceleration amplitude of 196 m/s2, whichever is smaller Test time: 3 directions perpendicular to each other, 2 h for each direction (6h in total) MURATA MFG.CO., LTD