RL-7550-2 LOW DCR/ LOW PROFILE SMD INDUCTORS DESCRIPTION FEATURES & APPLICATIONS * Low Profile SMD Inductor * Enclosed in a rugged case to provide optimum pick and place operations * High inductance / high current ultra low profile inductor * Low profile. Great for applications when space is at a premium * Excellent as DC-DC converter used in notebook computers, smartphones, cell phones, step-up or step-down converters, and flash memory ENVIRONMENTAL DATA * Storage temperature range: -55C to +130C * Operating temperature range: -40C to +130C PACKAGING INFORMATION * Packaging information: pg. 490 Verify operation with sample in actual circuit. Order samples at www.rencousa.com. MECHANICAL DIMENSIONS U.S. Standard (mm) PART NUMBER A (MAX.) B (MAX.) C 0.012 (0.3) D 0.012 (0.3) E 0.008 (0.2) F (MAX.) RL-7550-2 0.29 (7.30) 0.22 (5.50) 0.20 (5.00) 0.25 (6.40) 0.08 (2.00) 0.12 (2.92) PART NUMBER PART WEIGHT G (REF.) H (REF.) I (REF.) RL-7550-2 0.2g (0.007oz) 0.06 (1.60) 0.10 (2.50) 0.16 (4.00) TOP VIEW SIDE VIEW A G E B SCHEMATIC RECOMMENDED LAND PATTERN F ST H FN C I SURFACE MOUNTS D RENCO ELECTRONICS INC. 595 International Place, Rockledge, FL 32955-4200 USA * www.rencousa.com * ISO 9001 Certified Toll Free Engineering Hot Line: 800.645.5828 * P: 321.637.1000 * F: 321.637.1600 RL-7550-2 Renco Part No. RL-7550-2 Inductance (H) DCR Max. (Ohms) Isat (A) Irms (A) SRF (MHz) Typ. RL-7550-2-1R0M 1.0 20% 0.050 2.90 2.90 130.0 RL-7550-2-1R5M 1.5 20% 0.050 2.60 2.80 115.0 RL-7550-2-2R2M 2.2 20% 0.070 2.30 2.40 90.0 RL-7550-2-3R3M 3.3 20% 0.080 2.00 2.00 70.0 RL-7550-2-4R7M 4.7 20% 0.090 1.50 1.50 50.0 RL-7550-2-6R8M 6.8 20% 0.130 1.20 1.40 45.0 RL-7550-2-100M 10.0 20% 0.160 1.10 1.10 35.0 RL-7550-2-150M 15.0 20% 0.230 0.90 1.20 30.0 RL-7550-2-220M 22.0 20% 0.370 0.70 0.80 20.0 RL-7550-2-330M 33.0 20% 0.510 0.58 0.60 15.0 RL-7550-2-470M 47.0 20% 0.640 0.50 0.50 14.0 RL-7550-2-680M 68.0 20% 0.860 0.40 0.40 11.0 RL-7550-2-101M 100.0 20% 1.270 0.31 0.30 9.0 RL-7550-2-151M 150.0 20% 2.000 0.27 0.25 6.0 RL-7550-2-221M 220.0 20% 3.110 0.22 0.20 5.5 RENCO ELECTRONICS INC. 595 International Place, Rockledge, FL 32955-4200 USA * www.rencousa.com * ISO 9001 Certified Toll Free Engineering Hot Line: 800.645.5828 * P: 321.637.1000 * F: 321.637.1600 SURFACE MOUNTS NOTES: 1. Isat - DC CURRENT THAT WILL CAUSE INDUCTANCE TO DROP BY 5% 2. Irms - CURRENT THAT CAUSES THE TEMPERATURE TO RISE APPROX. 40C ABOVE AMBIENT OF 25C 3. RESISTANT TO SOLDER HEAT: 260C FOR 10 SECONDS 4. ELECTRICAL SPECIFICATIONS MEASURED AT 25C 5. INDUCTANCE TESTED AT 100 kHz, 0.1 Vrms