DELTA P/N : SIQ1048 Series Mechanical dimensions Dimensions (Unit : mm) A 10.3 MAX B 4.8 MAX C 10.3 MAX D 6.4 ± 0.3 E 4.6 ± 0.2 F 1.7 ± 0.2 G 5.4 H 5.0 I 10.8 Electrical Characteristics @25℃ , 100KHz, 0.1V. Delta P/N SIQ1048-1R0 SIQ1048-1R8 SIQ1048-2R8 SIQ1048-3R7 SIQ1048-3R9 SIQ1048-4R7 SIQ1048-6R4 SIQ1048-100 SIQ1048-220 SIQ1048-270 SIQ1048-330 SIQ1048-470 1. 2. 3. 4. L1 (uH) 1.0 1.8 2.8 3.7 3.9 4.7 6.4 10 22 27 33 47 DCR (mΩ) ± 20% 7 11 12 16 16 18.5 28 36 78 92 105 155 Isat (Adc) 13.6 10.4 8.3 7.0 7.0 6.1 5.2 4.3 3.0 2.7 2.4 1.8 Ir3 (Adc) 9.7 9.5 6.1 5.3 5.3 5.2 4.8 4.5 3.0 2.7 2.4 1.8 Tolerance of inductance : ± 30% for 1.0~1.8uH, ± 20% for 2.8~47uH Isat is the DC current which cause the inductance drop 20% typical of it’s nominal inductance without current. Ir is the DC current which cause the surface temperature of the part increase less than 45 ℃. Operating temperature: -40℃ to 125℃ (Self-temperature rise included).