Spec No.: JELF243A 0026R-01 P1/10 CHIP COILS (CHIP INDUCTORS) LQW18AN 10 REFERENCE SPECIFICATION 1. Scope This reference specification applies to chip coils (chip inductors) LQW18AN 10 series for general electronic equipment. 2. Part Numbering (Ex.) LQ W 18 A N 2N2 D 1 0 D Product Structure Dimension Application Category Inductance Tolerance Performance Electrode Packaging ID (L W) and specification D: taping characteristic *B: bulk *B: Bulk packing is also available (taping condition: however, products without reels are put in plastic bags). 3. Part Number and Rating Operating temperature range -55C to +125C Storage temperature range -55C to +125C Inductance DC Self-resonant Rated Customer Murata Q Nominal resistance frequency current Part number Part number (Min.) value Tolerance ( max.) (MHz min.) (mA) (nH) LQW18AN2N2D10D 2.2 D: 0.5 nH 25 0.018 18000 1400 LQW18AN3N9C10D 3.9 C: 0.2 nH 38 0.032 11000 1000 LQW18AN3N9D10D 3.9 D: 0.5 nH 38 0.032 11000 1000 LQW18AN5N6D10D 5.6 D: 0.5 nH 38 0.045 10000 900 LQW18AN6N8C10D 6.8 C: 0.2 nH 38 0.045 7000 900 LQW18AN6N8D10D 6.8 D: 0.5 nH 38 0.045 7000 900 LQW18AN8N2D10D 8.2 D: 0.5 nH 38 0.058 7000 800 LQW18AN10NG10D 10 G: 2% 38 0.058 5000 800 LQW18AN10NJ10D 10 J: 5% 38 0.058 5000 800 LQW18AN12NG10D 12 G: 2% 38 0.071 5000 750 LQW18AN12NJ10D 12 J: 5% 38 0.071 5000 750 LQW18AN15NJ10D 15 J: 5% 42 0.085 4500 700 LQW18AN18NG10D 18 G: 2% 42 0.085 3500 700 LQW18AN18NJ10D 18 J: 5% 42 0.085 3500 700 LQW18AN22NG10D 22 G: 2% 42 0.099 3200 640 LQW18AN22NJ10D 22 J: 5% 42 0.099 3200 640 LQW18AN27NG10D 27 G: 2% 42 0.116 2800 590 LQW18AN27NJ10D 27 J: 5% 42 0.116 2800 590 LQW18AN33NJ10D 33 J: 5% 42 0.132 2500 550 4. Testing Conditions Unless otherwise specified Temperature: ordinary temperature (15C to 35C) Humidity: ordinary humidity 25% to 85% (RH) In case of doubt Temperature: 20C2C Humidity: 60% to 70% (RH) Atmospheric pressure: 86 kPa to 106 kPa MURATA MFG CO., LTD Spec No.: JELF243A 0026R-01 P2/10 5. Appearance and Dimensions Unit mass (typical value): 0.003 g 6. Marking No marking. 7. Electrical Performance No. Item Specification Test method 7.1 Inductance Meet chapter 3 ratings. Measuring equipment: Keysight E4991A or the equivalent Measuring frequency: Inductance: 100 MHz Q: 250 MHz Measuring conditions: Measurement signal level: Approx. 0 dBm Measurement terminal distance: 1.0 mm Electrical length: 10.0 mm Measuring fixture: Keysight 16197A Position the chip coil under test as shown in the measuring example below and connect it to the electrode by applying weight. Measurement example: 7.2 Q Meet chapter 3 ratings. Measuring method: seeElectrical performance: Measuring method for inductance/ in the chapter 14. Appendi. 7.3 DC resistance Meet chapter 3 ratings. Measuring equipment: digital multimeter 7.4 Self-resonant Meet chapter 3 ratings. Measuring equipment: Keysight N5230A or the frequency equivalent 7.5 Rated current Product temperature rise: 20C max. Apply the rated current specified in chapter 3. Inductance change rate: within 10% MURATA MFG CO., LTD