1MH Series Unshielded Power Inductor Accetek A FEATURES High Q at high frequencies Low DC-resistance Inductance ratings from 1.0 to 1000 µH Operating Temperature range from -40°C to +125°C (Including Self-heating) B PART NUMBER SYSTEM 1MH 3225 - 100 M F ❶ ❷ ❸ ❹ ❺ ❶ Series 1MH Series Code ❸ Inductance Code e.g. Calculation ❹ Inductance Tolerance 2R2 2.2μH K ±10% 100 0 M ±20% 3225 (3.2×2.5×2.0) 10×10 μH = 10μH 4532 (4.5×3.2×2.6) 1 101 10×10 μH = 100μH ❺ C Dimension Code (L*W*H) (mm) ❷ RoHS Compliant DRAWINGS AND DIMENSIONS Drawings Schematic I D C B E F 1 H E 2 J A Case Size I Dimensions (mm) A B C Dref Href Iref Jref 1MH3225 3.2±0.3 2.5±0.3 2.0±0.3 2.4±0.3 2.8 1.4 1.0 1MH4532 4.5±0.3 3.2±0.3 2.6±0.3 3.6±0.3 3.6 2.0 1.4 D SPECIFICATIONS Accetek Electronics (Shenzhen) Co., Ltd. www.accetek.com Ver.:1MH‐2012A 1 1MH Series Unshielded Power Inductor Accetek Inductance1 DCR2 SRFtyp. Part Number μH Tolerance Max.(Ω) Irms3(A) Isat4(A) MHz Qref. 1MH3225-1R0MF 1.0 ±20% 0.10 0.75 3.20 100 20 1MH3225-1R5MF 1.5 ±20% 0.13 0.66 2.10 75 20 1MH3225-1R8MF 1.8 ±20% 0.14 0.64 2.00 60 20 1MH3225-2R2MF 2.2 ±20% 0.15 0.62 1.80 50 20 1MH3225-2R7MF 2.7 ±20% 0.18 0.60 1.60 43 20 1MH3225-3R3MF 3.3 ±20% 0.20 0.58 1.50 38 20 1MH3225-3R9MF 3.9 ±20% 0.25 0.54 1.35 35 20 1MH3225-4R7MF 4.7 ±20% 0.28 0.49 1.25 31 20 1MH3225-5R6MF 5.6 ±20% 0.36 0.44 1.15 28 20 1MH3225-6R8MF 6.8 ±20% 0.40 0.42 1.10 25 20 1MH3225-8R2MF 8.2 ±20% 0.45 0.39 0.95 23 20 1MH3225-100MF 10 ±20% 0.65 0.32 0.85 20 35 1MH3225-120KF 12 ±10% 0.70 0.29 0.78 18 35 1MH3225-150KF 15 ±10% 1.00 0.27 0.70 16 35 1MH3225-180KF 18 ±10% 1.10 0.24 0.65 15 35 1MH3225-220KF 22 ±10% 1.30 0.22 0.60 14 35 1MH3225-680KF 68 ±10% 3.80 0.13 0.30 9 35 1MH3225-101KF 100 ±10% 6.50 0.10 0.25 8 40 1MH3225-121KF 120 ±10% 7.00 0.095 0.18 7 40 1MH3225-221KF 220 ±10% 11.80 0.075 0.16 5 40 1MH3225-331KF 330 ±10% 16.50 0.065 0.15 5 40 1MH3225-471KF 470 ±10% 25.00 0.055 0.12 5 40 1MH4532-1R0MF 1MH4532-1R5MF 1.0 1.5 ±20% ±20% 0.08 0.09 1.80 1.75 4.40 4.00 165 130 40 42 1MH4532-1R8MF 1.8 ±20% 0.10 1.70 3.50 100 45 1MH4532-2R2MF 2.2 ±20% 0.11 1.60 2.75 80 40 1MH4532-2R7MF 2.7 ±20% 0.12 1.50 2.70 63 40 1MH4532-3R3MF 3.3 ±20% 0.13 1.40 2.70 58 45 1MH4532-3R9MF 3.9 ±20% 0.14 1.32 2.50 54 40 1MH4532-4R7MF 4.7 ±20% 0.15 1.24 2.00 45 36 1MH4532-5R6MF 5.6 ±20% 0.18 1.18 1.90 41 36 1MH4532-6R8MF 6.8 ±20% 0.20 1.10 1.60 37 36 1MH4532-8R2MF 8.2 ±20% 0.25 1.00 1.60 34 36 1MH4532-100MF 10 ±20% 0.30 0.95 1.50 30 48 1MH4532-120MF 12 ±20% 0.42 0.80 1.40 28 48 1MH4532-150MF 15 ±20% 0.50 0.73 1.24 26 45 1MH4532-180MF 18 ±20% 0.60 0.68 1.10 22 42 1MH4532-220KF 22 ±10% 0.70 0.63 1.00 20 50 1MH4532-330KF 33 ±10% 1.10 0.43 0.85 18 55 1MH4532-101KF 100 ±10% 2.50 0.27 0.45 10 60 1MH4532-151KF 150 ±10% 3.70 0.22 0.42 8 55 1MH4532-391KF 390 ±10% 13.00 0.11 0.20 5 50 1MH4532-471KF 470 ±10% 14.20 0.105 0.18 5 50 1MH4532-681KF 680 ±10% 16.80 0.090 0.20 3 45 1MH4532-821KF 820 ±10% 20.00 0.085 0.15 2 50 1MH4532-102KF 1000 ±10% 30.00 0.070 0.16 2 28 1. 2. 3. 4. 5. E Inductance measured @ 100KHz, 0.3V at 25°C temperature. DCR measured @ 25°C. Irms for an approximate 40°C rise from 20°C ambient temperature. Isat for approximate 10% roll off at 25°C. Specifications subject to change without notice please check our website for latest information. TAPE AND REEL SPECIFICATIONS Accetek Electronics (Shenzhen) Co., Ltd. www.accetek.com Ver.:1MH‐2012A 2 1MH Series Unshielded Power Inductor Accetek D P0 P H 220 W B A C P1 T E Case Size Parts per Reel Reel Dimensions(REF) Tape Dimensions(REF) A B C D E W P P0 P1 H T 1MH3225 2000 330 100 13 12 8.5 8 4 4 2 2.4 0.25 1MH4532 500 330 100 13 16 12.5 12 8 4 2 3.5 0.30 F RECOMMENDED SOLDER REFLOW PROFILE Profile Feature Recommended Conditions Average ramp-up rate 3°C/second max. (Tsmax to Tp) Preheat Temperature Min (Tsmin) 100°C Temperature Max (Tsmax) 150°C Time (Tsmin to Tsmax)(ts) 60-180 seconds Time maintained above: Temperature (TL) 217°C Time (tL) 60-150 seconds Peak Temperature (Tp) See Table2 Time within 5°C of actual Peak 20-40 seconds Temperature (tp)2 6°C/second max. Ramp-down Rate ° Time 25 C to Peak Temperature 8 minutes max Table 1 Package Volume mm3 Volume mm3 Volume mm3 Thickness <350 350 - 2000 >2000 < 1.6mm 260°C 260°C 260°C 1.6mm - 2.5mm 260°C 250°C 245°C >2.5mm 250°C 245°C 245°C 1. The above profiles are based on IPC/JEDEC J-STD-020C. 2. Exceeding these conditions may cause lowered product reliability. Table 2 Accetek Electronics (Shenzhen) Co., Ltd. www.accetek.com Ver.:1MH‐2012A 3