1102 Silver Lake Road, Cary, IL 60013-9919 800/322-COIL Fax 847/639-1469 SURFACE MOUNT INDUCTOR: U6904-A FOR USE WITH MOTOROLA SEMICONDUCTORS: MC33470 SYNCHRONOUS RECTIFICATION DC-DC CONVERTER IC, MMSF3300 POWER MOSFET AND MBRD1035CTL SCHOTTKY RECTIFIER The Coilcraft U6904-A surface mount inductor has been specifically designed for use in high power DC-DC converters using the Motorola Semiconductors MC33470 Synchronous Rectification DC-DC converter programmable integrated controller, the MMSF3300 Power MOSFET and MBRD1035CTL Schottky Rectifier. The inductor has been optimized for maximum storage and low loss in the smallest footprint. Tape and reel packaging is available1. Brown Yellow Red .500 [12,7] Ref. 0.640 [16,26] Max Solderable Termination .315 [8,00] Max 0.340 [8.64] Ref. .880 [22,35] Max .400 [10,16] .540 [13,72] .150 [3,81] Suggested Mounting Pads Electrical Values: Part Number Inductance2 (± 20%) DCR (Max) Isat2 Irms4 U6904-A 1.35µH .004Ω 24A 15 Arms Notes: 1. Tape/Reel Packaging to be 44 mm wide tape, 300 pcs per reel 2. Inductance tested at 100 kHz, .1 Vrms 3. Inductance drop = 10% typ. At rated Isat. 4. Irms current rating based on ∆T = 30˚C rise typ