Spec No.: JELF243A-0187-01 P1/9 Chip Coil (Chip Inductor) LQW15CE10 Reference Specification 1. Scope This reference specification applies to Chip Coil (Chip Inductor) LQW15CE10 series for general electronic equipment. 2. Part Numbering (Ex.) LQ W 15 CE 1R0 M 10 D Product ID Type Dimension Application and Inductance Tolerance Category Packaging (L W) characteristic D: taping *B: bulk *B: Bulk packing is also available.(The product sealed on the carrier tape is stored in a plastic bag.) 3. Part Number and Rating Operating temperature range -55C to +125C Storage temperature range -55C to +125C Rated current Inductance (mA) Self- DC * Customer Murata resonant Based on temperature rise resistance Nominal Based on Part number Part number frequency Tolerance ( max.) Ambient Ambient value inductance (MHz min.) (%) temperature temperature (nH) change 85C 125C LQW15CE1R0M10D 1000 20 0.94 120 480 270 135 LQW15CE1R5M10D 1500 20 1.50 120 350 190 95 LQW15CE2R2M10D 2200 20 1.80 100 300 170 85 LQW15CE3R3M10D 3300 20 3.65 80 220 130 65 * As shown in the diagram below, derating is applied to the rated current based on the operating temperature 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 Spec No.: JELF243A-0187-01 P2/9 5. Appearance and Dimensions Equivalent Circuit Unit mass (typical value): 0.001 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: 1 MHz Test signal level: about 0 dBm Measurement terminal distance:0.5 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: Measuring method: seeElectrical performance: Measuring method for inductance/ in the chapter Appendi. 7.2 DC resistance Meet chapter 3 ratings. Measuring equipment: digital multimeter 7.3 Self-resonant Meet chapter 3 ratings. Measuring equipment: Keysight N5230A or the frequency equivalent 7.4 Rated current When rated current is applied to the Apply the rated current specified in chapter 3. products, inductance will be within 30% of initial inductance value range. Temperature rise caused by self- generated heat shall be limited to 40C max.