Spec No.: JELF243B-9128B-01 P1/10 Chip Coil (Chip Inductors) LQM18DZ70 REFERENCE SPECIFICATION Murata Standard Specification AEC-Q200 1. Scope This reference specification applies to chip coils (chip inductors) LQM18DZ70 series for automotive electronics based on AEC-Q200 except for power trains and safeties. 2. Part Numbering (Ex.) LQ M 18 DZ 6R8 M 70 L Product ID Type Dimension Application and Inductance Tolerance Category Packaging (L W) characteristic L: taping (Z: for automotive *B: bulk electronics) *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-resonant ESD Customer Murata DC resistance rank frequency Nominal Based on Based on Part number Part number ( ) Tolerance (MHz min.) value inductance temperature (%) (H) change rise LQM18DZ6R8M70L 6.8 20 0.740.22 40 120 330 4 LQM18DZ100M70L 10 20 1.050.32 32 100 300 4 LQM18DZ150M70L 15 20 1.95 0.59 24 80 220 4 LQM18DZ220M70L 22 15 50 200 4 20 2.40 0.72 4 LQM18DZ330M70L 33 20 2.40 0.72 13 30 200 LQM18DZ470M70L 47 20 2.55 0.77 10 20 180 4 ESD Rank Maximum Withstand Voltage 4 6000 V (DC) to < 8000 V (DC) 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.: JELF243B-9128B-01 P2/10 5. Appearance and Dimensions Equivalent Circuit Unit mass (typical value): 0.005 g 6. Marking No marking. 7. Electrical Performance No. Item Specification Test method 7.1 Inductance Meet chapter 3 ratings. Measuring equipment: Keysight 4294A or the equivalent Measuring frequency: 1 MHz 7.2 DC resistance Meet chapter 3 ratings. Measuring equipment: digital multimeter Measuring circuit: Measure with the product set to terminal 2 and the switch pressed (open between a and b). When setting or removing the product, press the switch to short between a and b 7.3 Self-resonant Meet chapter 3 ratings. Measuring equipment: Keysight E4294A 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 50% of initial inductance value range. Temperature rise caused by self- generated heat shall be limited to 40C max. MURATA MFG CO., LTD