RL-7550-3 HIGH CURRENT SMD POWER INDUCTORS DESCRIPTION FEATURES & APPLICATIONS * High Current SMD Power Inductor * Surface mount inductor with high current rating * Extremely low DCR to minimize power loss * Ideal for use in a variety of high performance DC-DC converter inductor applications 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 D (MAX.) E (MAX.) F (REF.) RL-7550-3 0.350 (8.89) 0.240 (6.10) 0.230 (5.84) 0.147 (3.73) 0.196 (5.00) 0.080 (1.91) PART NUMBER PART WEIGHT G (REF.) H (REF.) RL-7550-3 0.3g (0.01oz) 0.200 (5.08) 0.160 (4.06) TOP VIEW SIDE VIEW RECOMMENDED LAND PATTERN SCHEMATIC A F ST B D SURFACE MOUNTS C E H G 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 FN RL-7550-3 Renco Part No. RL-7550-3 Inductance (H) DCR Max. (Ohms) Isat (A) Irms (A) SRF (MHz) Typ. RL-7550-3-R56M 0.56 20% 0.010 7.70 6.00 200.0 RL-7550-3-1R2M 1.20 20% 0.017 5.30 4.40 140.0 RL-7550-3-2R2M 2.20 20% 0.035 3.50 3.10 100.0 RL-7550-3-4R7M 4.70 20% 0.054 2.60 2.20 50.0 RL-7550-3-100M 10.00 20% 0.111 1.90 1.50 40.0 RL-7550-3-150M 15.00 20% 0.170 1.50 1.20 30.0 RL-7550-3-220M 22.00 20% 0.250 1.20 1.00 25.0 RL-7550-3-330M 33.00 20% 0.350 0.99 0.82 20.0 RL-7550-3-470M 47.00 20% 0.470 0.87 0.72 15.0 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. ELECTRICAL SPECIFICATIONS MEASURED AT 25C 4. INDUCTANCE TESTED AT 100 kHz, 0.25 Vrms