Power Inductor< Pin Type : RCH Series> Type: RCH-108 ◆ Product Description ・10.5mm Max. φ, 8.5mm Max. Height. ・Inductance Range: 2.2μH～1.0mH ・Rated current range: 0.45～7.9A ・In addition to the standard versions of inductors shown here, custom inductors are available to meet your exact requirements. ◆ Feature ・Magnetically unshielded construction. ・Ideally Used in Printers, LCD TV, DVD, Printer, Copy Machine, Mainboard of the compounding machines, etc as Power Supplies’s Inductors or DC-DC Converter inductors. ・RoHS Compliance ◆ Dimensions (mm) 8.0±0.5 ±1.0 3.5 5.0±0.3 +0.1 φ0.7-0.05 4.0±0.3 φ10.0±0.5 ◆ Schematics (Bottom) ② ③ ② ③ ① ④ ① ④ (2.2μH～15μH) (18μH～1.0mH) ※ To be connected between #1 and #4, #2 and #3 (2.2μH～15μH) when used. ※ It is no matter for the electric characteristics if terminal 1 is connected to terminal 4, terminal 2 is connected to terminal 3 with solder. (On the bottom of drum core) (2.2μH～15μH) Please refer to the sales offices on our website for a representative near you www.sumida.com 1/2 Power Inductor< Pin Type : RCH Series> Type: RCH-108 ◆ Specification Part Name Stamp RCH1Ø8NP-2R2M RCH1Ø8NP-2R7M RCH1Ø8NP-3R7M RCH1Ø8NP-4R7M RCH1Ø8NP-6R2M RCH1Ø8NP-8R2M RCH1Ø8NP-1ØØM RCH1Ø8NP-12ØM RCH1Ø8NP-15ØM RCH1Ø8NP-18ØM RCH1Ø8NP-22ØM RCH1Ø8NP-27ØM RCH1Ø8NP-33ØK RCH1Ø8NP-39ØK RCH1Ø8NP-47ØK RCH1Ø8NP-56ØK RCH1Ø8NP-68ØK RCH1Ø8NP-82ØK RCH1Ø8NP-1Ø1K RCH1Ø8NP-121K RCH1Ø8NP-151K RCH1Ø8NP-181K RCH1Ø8NP-221K RCH1Ø8NP-271K RCH1Ø8NP-331K RCH1Ø8NP-391K RCH1Ø8NP-471K RCH1Ø8NP-561K RCH1Ø8NP-681K RCH1Ø8NP-821K RCH1Ø8NP-1Ø2K 2R2M 2R7M 3R7M 4R7M 6R2M 8R2M 100M 120M 150M 180M 220M 270M 330K 390K 470K 560K 680K 820K 101K 121K 151K 181K 221K 271K 331K 391K 471K 561K 681K 821K 102K ※1:Measuring frequency: Inductance [Within] ※1 2.2μH 2.7μH 3.7μH 4.7μH 6.2μH 8.2μH 10μH 12μH 15μH 18μH 22μH 27μH 33μH 39μH 47μH 56μH 68μH 82μH 100μH 120μH 150μH 180μH 220μH 270μH 330μH 390μH 470μH 560μH 680μH 820μH 1.0mH 2.2μH～8.2μH 10μH～1.0mH ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± 20 % 20 % 20 % 20 % 20 % 20 % 20 % 20 % 20 % 20 % 20 % 20 % 10 % 10 % 10 % 10 % 10 % 10 % 10 % 10 % 10 % 10 % 10 % 10 % 10 % 10 % 10 % 10 % 10 % 10 % 10 % Ｄ.Ｃ.Ｒ. (Ω) [Max.] (at 20℃) 8.5m 9.6m 10.9m 11.7m 15.3m 17.0m 27.0m 31.0m 36.0m 49.0m 55.0m 62.0m 79.0m 87.0m 99.0m 0.13 0.14 0.16 0.21 0.24 0.32 0.35 0.45 0.61 0.69 0.78 1.0 1.2 1.4 1.8 2.1 Rated Current (Ａ) ※2 7.9 7.2 6.3 5.7 5.3 5.0 4.5 4.1 3.7 3.4 3.1 2.8 2.5 2.3 2.1 1.9 1.7 1.6 1.4 1.3 1.2 1.1 0.96 0.87 0.79 0.72 0.66 0.60 0.55 0.50 0.45 S.R.F. (MHz) <Ref.> 46 35 32 28 26 18 14 10 9 17 16 13 12 11 10 8.6 7.6 7.4 6.5 6.2 5.1 4.6 4.3 4.0 3.7 3.2 3.0 2.8 2.6 2.3 2.1 Mounting holes (mm) ※3 1.4 1.4 1.4 1.4 1.4 1.4 1.2 1.2 1.2 1.4 1.4 1.4 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 at 7.96MHz at 1kHz ※2: Rated current: The DC current at which the inductance decreases 90% of it’s initial value or when △t=40℃, whichever is lower(Ta＝20℃) ※3:Please give sufficient consideration to the thick wire used when mounted into the P.C.B.. Please refer to the sales offices on our website for a representative near you www.sumida.com 2/2