SMT Power Inductor SILM8040 Type Features RoHS compliant. Low profile (4.0mm max. Height), SMD type. Self-leads, suitable for high density mounting. High energy storage and low DCR. Provided with embossed carrier tape packing. Ideal for power source circuits, DC-DC converter, DC-AC inverters inductor applications. In addition to the standard versions shown here, customized inductors are available to meet your exact requirements. Mechanical Dimension: RECOMMENDED PAD PATTERNS C B UNIT:mm/inch A = 8.4 / 0.331 Max. B = 4.2 / 0.165 Max. C = 8.4 / 0.331 Max. D = 6.3 0.5 / 0.248 0.020 E = 3.0 0.5/ 0.118 0.020 F = 9.5 0.5 / 0.374 0.020 A 3 5. 10 D .5 3. 7 F E 25 OC : 100KHz, 0.1V 2 Irated 3 (Adc) PART NO. L1 (uH) DCR (m ) MAX Isat (Adc) SILM8040 - 1R5 1.5 13.8 7.00 9.00 SILM8040 - 2R2 2.2 18.3 6.50 7.50 SILM8040 - 3R3 3.3 20.6 5.00 6.00 SILM8040 - 4R4 4.4 25.7 4.60 6.00 SILM8040 - 5R2 5.2 30.0 4.20 4.50 SILM8040 - 100 10.0 47.0 3.00 4.00 SILM8040 - 150 15.0 71.3 2.75 3.50 SILM8040 - 220 22.0 102.0 2.30 3.00 SILM8040 - 330 33.0 143.0 1.75 2.50 SILM8040 - 470 47.0 189.0 1.52 2.00 SILM8040 - 680 68.0 260.0 1.30 2.00 SILM8040 - 101 100.0 361.0 1.05 1.30 100 INDUCTANCE ( uH) Electrical Characteristics: 10 1 0 0 1 10 DC BAIS (A) 1. Tolerance of inductance : 1.5~100uH 30%. 2. Irated is the DC current which cause the inductance drop 35% of its nominal inductance without current and the surface temperature of the part increase less than 45oC. 3. Operating temperature: -20oC to 105oC (including self-temperature rise). DELTA ELECTRONICS, INC. (TAOYUAN PLANT CPBG) 252, SAN YING ROAD, KUEISAN INDUSTRIAL ZONE, TAOYUAN SHIEN, 333, TAIWAN, R.O.C. TEL: 886-3-3591968; FAX: 886-3-3591991 http://www.deltaww.com 59 100