Power Inductor< Pin Type: RCH Series> Type: RCH-855 ◆ Product Description ・8.3mm Max. φ, 5.5mm Max. Height. ・Inductance Range: 2.5μH～10mH ・Rated current range: 37mA～3.1A ・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 MAX.5.5 ±1.0 5.0 5.0±0.3 +0.1 φ 0.7-0.05 ◆ Dimensions (mm) φ7.8±0.5 Please refer to the sales offices on our website for a representative near you www.sumida.com 1/3 Power Inductor< Pin Type: RCH Series> Type: RCH-855 ◆ Specification 2R5M Inductance <Within>(μH) ※１ 2.5±20% D.C.R(Ω) <Max.> (at20℃) 23m Saturation Current (Ａ)※2 4.5 RCH855NP-3R3M RCH855NP-4R1M 3R3M 4R1M 3.3±20% 4.1±20% 26m 31m 4.0 3.6 2.7 2.5 RCH855NP-5RØM RCH855NP-5R9M 5R0M 5R9M 5.0±20% 5.9±20% 34m 39m 3.4 3.2 2.4 2.2 RCH855NP-6R8M 6R8M 6.8±20% 42m 2.9 2.1 RCH855NP-8R2M RCH855NP-1ØØM 8R2M 100M 8.2±20% 10±20% 45m 70m 2.7 2.5 1.9 1.3 RCH855NP-12ØM RCH855NP-15ØM 120M 150M 12±20% 15±20% 80m 90m 2.4 2.1 1.1 0.95 RCH855NP-18ØM 180M 18±20% 100m 2.0 0.90 RCH855NP-22ØK RCH855NP-27ØK 220K 270K 22±10% 27±10% 120m 140m 1.7 1.6 0.77 0.72 RCH855NP-33ØK RCH855NP-39ØK 330K 390K 33±10% 39±10% 170m 210m 1.4 1.3 0.67 0.59 RCH855NP-47ØK RCH855NP-56ØK 470K 560K 47±10% 56±10% 240m 0.31 1.2 1.1 0.57 0.50 RCH855NP-68ØK 680K 68±10% 0.34 1.0 0.47 RCH855NP-82ØK RCH855NP-1Ø1K 820K 101K 82±10% 100±10% 0.40 0.52 0.93 0.81 0.43 0.37 RCH855NP-121K RCH855NP-151K 121K 151K 120±10% 150±10% 0.59 0.71 0.76 0.67 0.36 0.32 RCH855NP-181K 181K 180±10% 0.89 0.62 0.30 RCH855NP-221K RCH855NP-271K 221K 271K 220±10% 270±10% 1.04 1.28 0.54 0.49 0.28 0.25 RCH855NP-331K RCH855NP-391K 331K 391K 330±10% 390±10% 1.47 1.67 0.44 0.41 0.23 0.22 RCH855NP-471K RCH855NP-561K 471K 561K 470±10% 560±10% 1.95 2.83 0.38 0.35 0.20 0.16 RCH855NP-681K 681K 680±10% 3.25 0.32 0.15 RCH855NP-821K RCH855NP-1Ø2K 821K 102K 820±10% 1000±10% 3.82 5.28 0.31 0.25 0.14 0.12 RCH855NP-122K RCH855NP-152K 122K 152K 1200±10% 1500±10% 6.03 7.15 0.23 0.21 0.11 99m RCH855NP-182K 182K 1800±10% 8.26 0.20 90m RCH855NP-222K 222K 2200±10% 11.1 0.18 81m RCH855NP-272K 272K 2700±10% 13.1 0.16 77m Part Name Stamp RCH855NP-2R5M Temperature rise current (A)※3 3.1 Please refer to the sales offices on our website for a representative near you www.sumida.com 2/3 Power Inductor< Pin Type: RCH Series> Type: RCH-855 Part Name Stamp Inductance <Within>(μH) ※１ D.C.R(Ω) <Max.> (at20℃) Saturation Current Temperature rise current (A)※3 RCH855NP-332K 332K 3300±10% 15.9 (Ａ)※2 0.14 RCH855NP-392K 392K 3900±10% 18.0 0.13 65m RCH855NP-472K 472K 4700±10% 23.9 0.12 56m RCH855NP-562K 562K 5600±10% 26.8 0.11 53m RCH855NP-682K RCH855NP-822K 682K 822K 6800±10% 8200±10% 31.7 46.5 98m 88m 49m 40m RCH855NP-1Ø3K 103K 10000±10% 55.7 81m 37m ※1:Measuring Frequency: 68m 2.5μH～ 8.2μH at 7.96MHz 10μH ～ 82μH at 2.52 MHz 100μH～10000μH at 1 kHz ※2: Saturation current: The DC current at which the inductance decreases to 90% of it’s initial value. ※3: Temperature rise current: The DC current at which the temperature rise is △t＝20℃.(Ta＝20℃). Please refer to the sales offices on our website for a representative near you www.sumida.com 3/3